TPG's current position and the next five years without the merger
215 There is no doubt that for a number of years TPG evinced a strong commitment to rolling out a mobile network. The evidence and chronology of events support the contention of the ACCC that Mr Teoh and TPG were prepared to enter what they then considered a worthwhile venture. I do not accept that at the time they were prepared to 'chance their arm', nor do I think they acted in a foolhardy way at the time. They had a vision, one which they sought to implement, but which had its own difficulties and obstacles which became apparent as the roll-out progressed.
216 The history of events supports this conclusion that TPG had a strong commitment to commence and continue a roll-out of a mobile network from 2016.
217 TPG acquired 3 x 5 MHz of 1800 MHz spectrum in February 2016 for $84.7 million. At the 29 January 2016 TPG Board meeting, the Board expressed the view that '[l]ong-term we have to be in the mobile space - the future is mobile'. Whilst this comment must be put in the context of the time and TPG aspirations at that time, I interpolate that there is no doubt at a general level the statement 'the future is mobile' seems still a reasonable and likely prediction as to the future of telecommunications in Australia. However, mobile in Australia is not the complete future and as far as Mr Teoh and TPG are concerned, there are other options to pursue to which I will come to later in these reasons.
218 Returning then to early 2016, TPG actively pursued the acquisition of the 700 MHz spectrum. In March or April 2016, TPG approached the Commonwealth Government to express an interest in purchasing 2 x 15 MHz of 700 MHz spectrum, being spectrum which remained unsold after the ACMA auction in 2013. In April 2016, Mr Teoh informed the TPG Board that this was 'the best quality spectrum and could cost ~$800m but would be very valuable to the Company'. In August 2016, Mr Teoh wrote to the Assistant Secretary of the Spectrum Branch at the Department of Communications and Arts, offering to license that spectrum for approximately $857 million. In that letter, Mr Teoh informed the Assistant Secretary that he believed it would 'greatly benefit Australian consumers if a fourth player enters the mobile communications market'. The Department did not ultimately accept the offer.
219 Between 26 August 2016 and the commencement of the 700 MHz spectrum auction in April 2017, the TPG Board met a number of times, and discussed the importance of a mobile strategy to TPG. By way of example, on 24 February 2017, Mr Teoh told the TPG Board that the 700 MHz auction was 'a very important opportunity for the Company and a very serious decision for the Board'. Mr Teoh told the Board that 'the mobile market is massive and future industry growth will be driven by mobile', and said that '[t]he size of the initial investment in spectrum and network roll-out will cause some financial pain for a few years and the network roll-out will be a challenging exercise, but if we do it successfully, we will be in a fantastic position in the industry'. On 16 March 2017, the TPG Board discussed 'the strategic importance to the Group of proceeding with the [mobile] strategy', and discussed a bidding limit of $1 billion, although Mr Teoh indicated that the limit 'may need to be higher'. The Board approved a $1 billion bidding limit, recognising that at that price, 'the Group would have an unfunded financial commitment of ~$1.1B over and above its existing debt facilities'.
220 In the course of the 700 MHz spectrum auction, the TPG Board approved increases to the bid limit on two occasions: first, on 5 April 2017, to $1.15 billion, and then, on 6 April 2017, to $1.261 billion. XXXX XXXX XXXX XXXX XXXX XXXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXX.
221 TPG successfully acquired 2 x 10 MHz of 700 MHz spectrum for the price of $1.26 billion on 6 April 2017. On an 'MHz/pop basis', this was the highest price paid for 700 MHz spectrum anywhere in the world. It was over double the price paid by Telstra and Optus for 700 MHz spectrum in 2013, and by Vodafone for the remaining 700 MHz spectrum in the 2017 auction.
222 It is worth noting that as at April 2017, Mr Teoh considered that no matter the outcome of the 700 MHz spectrum auction, TPG would be spectrum-poor relative to other MNOs. This meant it needed to plan its network to maximise capacity, while maintaining low capex, particularly if it were to be able to make disruptive offers in the marketplace.
223 During the network design process in 2017, through discussions with Mr Hanly, it became clear to Mr Teoh that TPG needed a primarily small cell site network installed on utility poles in contrast to a predominantly macro site network. This would multiply the use of its limited spectrum holdings and increase its network capacity, as well as roll-out its network as fast as possible in a cost effective manner. The Board minutes of 28 April 2017 record that small cells on poles 'could be more cost effective' and 'increases capacity'. The Board minutes of 26 May 2017 record that a small cell approach 'will increase the capacity we can provide'. Mr Wright also said that this was his understanding of why TPG switched to a predominantly small cell site network plan.
224 By September 2017, TPG's strategy had evolved to rolling out a network predominantly comprising small cell sites in metropolitan areas, complemented by a lower number of macro sites. This change in strategy was principally motivated by TPG's need to maximise the capacity it could generate from its limited spectrum holdings.
225 Then returning to April 2017, after TPG successfully acquired 2 x 10 MHz of 700 MHz spectrum, TPG engaged with Macquarie in respect of the capital raising to support its purchase of the spectrum.
226 There is no doubt that TPG made a significant investment in spectrum where it did not have a firm plan as to how its mobile network roll-out would unfold. The proposal that TPG announced to the market on 12 April 2017 was that it would roll-out a network of 2,000 to 2,500 macro cell sites, plus small cell sites, across the country. However, prior to April 2017, Mr Teoh had been concerned that if TPG only used macro sites, then TPG's limited spectrum holdings would mean that it would not have enough network capacity to be competitive over time with other MNOs. Shortly after the completion of the 700 MHz auction, TPG began discussing the merits of deploying a primarily small cell network - a plan that TPG announced to the market in September 2017. Similarly, at the time that TPG committed to purchase the 700 MHz spectrum, TPG had not actually selected a vendor to provide the equipment for its network. I will return to this issue.
227 From April 2017 until the cessation of TPG's roll-out on 29 January 2019, TPG worked through a number of issues that were presented in respect of its network roll-out.
228 As I have said, TPG needed to revise its roll-out plan in relation to the number of macro sites and small cell sites in scope. Then TPG worked with Huawei (a vendor of mobile network technology that designs, manufactures and supplies telecommunications equipment) throughout this process to develop an appropriate technical solution. Even after Huawei provided TPG with a 4G small cell solution, TPG frequently had to tailor the equipment that it intended to install on particular sites in order to meet the requirements of particular sites (including volumetric requirements and requirements imposed by local Councils). On occasions, TPG had to select different small cell sites because of the limitations of a particular site, for example, its maximum height or the equipment already installed at that site. Other issues arose during its network roll-out, including ensuring sufficient power supply at small cell sites, and issues relating to community opposition and complexities with heritage-listed areas.
229 When TPG decided to roll-out its network in 2017, I find that Mr Teoh and TPG did not anticipate the full extent of the roll-out difficulties that they ultimately experienced during 2017 and 2018. TPG did not view these practical difficulties as fatal to its roll-out until the Board's decision on 29 January 2019. However, these difficulties certainly increased the risks associated with the roll-out. TPG's past experience of these difficulties is instructive for what would be involved in any new network roll-out and the risks and delays that might be expected. Mr Teoh said that these issues were among the unsolved problems that deprived TPG of a business case for any new roll-out.
230 In addition, I do not accept that the landscape facing TPG today and the next five years, or the circumstances in which TPG is currently doing business or will do business, or the commitment to rolling out a mobile network, are similar to that existing in April 2017 and following into January 2019. The current difficulties are more problematic, and are obviously viewed in that light by Mr Teoh.
231 The Court has sought to evaluate the facts and the market conditions that are present today and can be reasonably predicted in the future five years. As I have already indicated, the experts, including Mr Smith, recognised the likelihood, nature and timing of any network roll-out that could or would be undertaken by TPG is a factual question. The experts can and did act on certain assumptions. The Court has relied upon the evidence of those operating in the retail mobile market, keeping in mind the focus being on what is commercially realistic. It is true the economist can describe in general terms how a rational business person may act in the future, and to that end refer to various 'objective' matters that may influence the rational business person. In these proceedings, that person is Mr Teoh. Nevertheless, as each of the economists recognised, the Court, in light of all the evidence, including that of market participants and Mr Teoh himself, must make the evaluative judgement.
232 On the important issue of timing, the ACCC in its written submissions set out certain factors it contended remained unchanged from the 2017 position to the current position. These submissions were largely based upon the evidence of Mr Teoh. I will return later to Mr Teoh and his evidence in the context of various matters that need to be assessed.
233 However, I accept that if you look at the position Mr Teoh took in 2017 in deciding to roll-out a retail mobile network with the position now, some of the advantages held by TPG to value the opportunity to become an MNO are still there: TPG's assets and experience, some competitive advantages relative to the existing MNOs, the fact that TPG is not required to support legacy networks and an opportunity to win market share through aggressively priced plans with no existing customer base ARPU to protect. However, this is only one side of the ledger - other considerations impact on any commercial decision that may be made now to roll-out a retail mobile network.
234 Then there is no denying that at a very general level the mobile market presents a significant opportunity to achieve long-term growth. As at April 2017, TPG predicted that with Australia's robust population growth, the mobile market would steadily increase. XXXX XXXX XXXX XXXX XXXX XXXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXX.
235 However, these are all subject to what Mr Teoh and TPG have in mind for the future, and their assessment of whether they should or are able to take advantage of any of these opportunities.
236 In order to understand Mr Teoh's and the TPG Board's current positions, it is necessary to go back to the decision and the reasons for TPG determining not to continue the roll-out of the mobile network. There has been no suggestion that the basis of the various relevant decisions of the Board were not actually held at the time of each Board decision.
237 The relevant background event was that on 23 August 2018, the Commonwealth Government imposed the Security Guidance. From August 2018, TPG did not order any more equipment from Huawei, although it continued to install what it already had.
238 At its meeting on 29 January 2019, the TPG Board resolved to cease the roll-out of its mobile network in Australia. Mr Hanly presented a paper at that meeting and explained that the Security Guidance meant that TPG's upgrade path to 5G had been blocked. Mr Teoh recommended the Board cease the roll-out because it made no commercial sense to roll-out a 4G network that could not be upgraded to 5G. Following the Board meeting, TPG announced its decision to cease its mobile roll-out to the market. The announcement said that 'a key reason' was that the upgrade path to 5G was blocked.
239 Following the decision on 29 January 2019 to abandon the network roll-out, TPG addressed the accounting implications of that decision. On 26 February 2019, TPG announced to the market that it had no business plan or strategy for using its spectrum licences on a standalone basis and, accordingly, the carrying value of those licences was required to be reassessed. TPG wrote down the value of its spectrum licences by $92 million and wrote off the mobile network capex it had incurred to date of $76 million.
240 Up until the impact of the Security Guidance became clear to Mr Teoh on or about 11 or 12 November 2018, he believed that TPG was likely to be able to roll-out most or all of its network plan. Following this, Mr Teoh asked Mr Hanly to investigate whether there was any alternative technical solution that would provide a 5G upgrade path while using TPG's Huawei 4G network plan. In mid-January 2019, Mr Teoh asked Mr Hanly to contact alternative RAN vendors to attempt to find out whether there was a 5G-upgradeable small cell solution that could be installed on a pole and would meet TPG's technical requirements. Mr Hanly contacted vendors including Nokia and Samsung.
241 In the ASX announcement made by TPG on 29 January 2019, TPG said that it had 'decided to cease the roll-out of its mobile network in Australia'. It said that it had been exploring available strategies to address the impact of the Security Guidance, but had 'reached the conclusion that it does not make commercial sense to invest further shareholder funds … in a network that cannot be upgraded to 5G'.
242 Mr Hanly and his team met with several vendors of network equipment (ie Nokia, Ericsson, Samsung and Airspan) between that time and 29 March 2019.
243 On 29 March 2019, Mr Hanly presented to the TPG Board on the results of his investigations. As at that time, Mr Hanly had engaged primarily with Nokia, Ericsson and Samsung, and had discussed with those vendors whether they could meet TPG's requirements. Mr Hanly's assessment was that 'no vendor could provide, or was indicating an intention to develop, a 5G AAU that could be installed on a utility pole alongside 4G equipment. Accordingly, none could offer TPG an acceptable technical solution'. Other difficulties with a mobile network roll-out were raised before the Board. On that basis, the Board decided that it was 'clear that building a mobile network was not a feasible option'. Mr Teoh recommended that decision to the Board.
244 Mr Banfield advised the TPG Board that the absence of a technical solution rendered consideration of the other risks and challenges of a roll-out 'somewhat irrelevant', but he nonetheless listed the risks that TPG would face were it to roll-out. The risks that Mr Banfield identified were the following:
Spectrum constraints
• As set out in David Hanly's presentation, the 30MHz of 3.5GHz spectrum that the Group would have on a standalone basis was insufficient to compete effectively with the 5G product offering already launched by Optus.
Community resistance to small cells
• The rollout of the Group's small cell network in 2018 was hindered by a significant number of instances of community resistance to the installation of small cells in residential streets.
• This caused (i) unanticipated delays in the rollout of the network, (ii) gaps in network coverage and (iii) suburbs where council / political intervention has blocked the Group from proceeding with the installation of small cells altogether.
• A compelling feature of the original business case was timing, ie being at the forefront of 5G.
• Huawei ban delay would leave us years behind Telstra and Optus.
• Reduces market opportunity relative to original business case.
Reduced market opportunity due to decline in industry ARPUs
• ARPUs have declined since 2017 business case.
• Reduces ability to differentiate on price.
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Adequacy of borrowing capacity
• The Group has insufficient borrowing capacity to fund a mobile network build.
Risk of detrimental equity raise
• The April-17 equity raise was damaging for shareholder value.
• A new equity raise would be extremely challenging in the context of (i) an already failed project, (ii) significant investor scepticism about prospects for a 4th MNO.
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246 I find that this was a final and determinative decision made by the TPG Board (and Mr Teoh) to stop the roll-out of its mobile network on the basis stated in the presentation to the Board. I also find that Mr Teoh and the TPG Board held the view that the building of a mobile network was not a feasible option. Of course, Board decisions can be (depending on the circumstances) rescinded. It may have been that if shortly after 29 March 2019, Mr Hanly came back to the Board with other relevant information, the Board and Mr Teoh may have been more amenable to reconsider their decision.
247 I contrast the position in March 2019 with the present state of affairs. I observe that with the effluxion of time before Mr Teoh would even need to consider changing his mind (ie when the current merger proposal merger is off the table), and in view of the public position taken recently by Mr Teoh, the information now at his disposal as to the potential difficulties with a TPG mobile roll-out, and the position of Telstra and Optus in the marketplace with 5G, any reconsideration in favour of re-starting a roll-out is extremely unlikely.
248 Despite the suggestion of the ACCC to the contrary, I should also indicate that I consider that TPG's decision to cease rolling out a mobile network was genuine, and was not driven by the desire for the proposed merger.
249 This was never directly put to Mr Teoh. Mr Naik rejected this contention. The initial decision announced to the market on 29 January 2019 was catalysed by the implications of the Security Guidance. This occurred some months after the announcement of the proposed merger on 30 August 2018 and some months prior to the ACCC's decision to oppose the merger in May 2019.
250 Mr Naik gave evidence that members of his team were redeployed in September 2018 in order for TPG to focus on delivering as many small cell sites as possible. The Project Pinnacle Weekly Report released on 18 December 2018 indicates that TPG rolled out an increasing number of small cell sites in the successive months from August 2018 to October 2018: from 79 sites per month to 149 sites per month. Mr Naik's evidence was that the subsequent drop in the run rate in November 2018 to 104 sites per month was attributable to the rising community objections, for example in Kooyong.
251 Mr Teoh's evidence was that TPG continued to roll-out its network in this period using existing Huawei equipment that had been purchased.
252 The ACCC referred to an email in support of the suggestion that the proposed merger was the real catalyst for the ceasing of the roll-out. Mr Naik was shown an email from one of his subordinates, Mr Heckenberg which stated:
I caught up with Dave Hanly and he has suggested that we stop all work on macrosites, as we are unsure if these will be required post-merger.
253 I do not consider this email shows TPG ceased or slowed down its roll-out on account of the proposed merger. It was rational for TPG to redirect the focus of its roll-out towards assets that could be deployed by TPG as a standalone entity, as well as MergeCo due to the uncertainty arising.
254 The cessation of rolling out a network also meant that particularly since May 2019, TPG sought to reduce staffing costs and headcount related to the mobile deployment.
255 Messrs Teoh, Banfield and Naik gave evidence to this effect:
(4) Mr Naik's evidence was that since the 29 January 2019 announcement, TPG has not renewed any contracts for staff responsible for the mobile deployment.
(5) Mr Teoh's evidence was that in May 2019 he asked Mr Naik to look at cost reductions.
256 However, I do observe that, after the Board determined on 29 March 2019 that 'building a mobile network was not a feasible option', Mr Hanly and his team continued to engage with alternative vendors. Amongst other things:
on 18 April 2019, in the course of ongoing contact between Nokia and TPG about technical solutions, Mr Hanly sent an email to a Nokia staff member saying '[l]ets keep up the momentum', and noting that he wanted to ensure that TPG had 'a good understanding of [Nokia's] offerings'. On 10 July 2019, Mr Ye, who reported to Mr Hanly, requested a meeting with Nokia the following week 'to go through: (a) latest Nokia RAN hardware and feature roadmap, (b) Potential solutions for TPG scenario';
on 10 July 2019, Mr Ye told Samsung that TPG was 'in the process of collecting 3.6 GHz 5G radio product information for [its] internal evaluation'; and
throughout that period, TPG was continuing to engage with Ericsson in relation to its 5G solutions.
257 Nevertheless, I do not accept that the communications TPG had with the equipment vendors which had occurred after 29 March 2019, took place or were motivated because TPG remained interested in understanding the solutions that would be available in respect of a potential 5G network upgrade or because it was likely that, absent the merger, TPG would wish to enter the mobile market in the next five years. In addition to referring to these communications, the ACCC submitted that their submission to the contrary was reinforced by Mr Teoh's acceptance that he has 'believed for a very long time that the future of [TPG] is in mobile', and that he 'still believe[s] that'. As I have alluded to already, this comment must be read in context and was not directed to TPG's future in Australia, or its positioning in the retail mobile market.
258 As to Mr Hanly's (and his team's) continued discussions with equipment vendors after the Board's decision of 29 March 2019, I do not consider that was indicative of a continuing willingness on TPG's part to enter as an MNO. Mr Hanly had stated in his affidavit that he continued to talk to vendors after the end of March 2019 because 'I did not receive any instruction from the Board to cease contact with equipment suppliers'. In cross-examination, Mr Teoh and Mr Hanly gave wholly consistent evidence that Mr Teoh had not instructed Mr Hanly to continue these discussions after March 2019. What Mr Hanly did was explicable. Mr Hanly acted in the usual course of his job, and in the express hope of the merger continuing. The vendors confirmed in cross-examination that their discussions with Mr Hanly had, at least in part, concerned the joint venture or MergeCo. Mr Wright explained that network managers have such discussions 'to understand any technology they [vendors] may be bringing to market. So, indeed, I visited Huawei regularly in China'.
259 As I have indicated, I do not consider there to be any inconsistency between Mr Teoh and Mr Hanly on this issue. Mr Hanly was just doing his job to learn of the latest infrastructure and product availability. Mr Teoh as Chairman had his own reasons, including to be better informed. His reference in his evidence to seeing whether 'there's a new solution' must be read in the context of his letter to Mr Sims (to which I will come to), and these proceedings. In any event, no direct attack was made on the credibility of Mr Teoh or Mr Hanly. I see no objective reason not to treat their sworn testimony on this aspect as accurate and a true reflection of their position. Attaching weight to stray comments of a witness, out of context, cannot undermine the proper understanding of the substance of the evidence given by a witness. For Mr Teoh to still believe in the future of mobile is not to be taken as an acceptance that TPG will resurrect itself in that space: it was just an acceptance of an obvious point that he has believed and still believes the future of telecommunications is in mobile, which for him is not just limited to Australia or to his own participation in the Australian market.
260 Then the ACCC relied on a letter dated 10 May 2019 sent from Mr Teoh to Mr Sims. I consider that this letter does not show that TPG was contemplating or even thinking of entering the mobile market. Its context is important. Mr Teoh and his officers (including Mr Hanly) had dealt for several months with the ACCC, in both voluntary meetings and compulsory examinations. Mr Teoh and TPG had just learned that the ACCC had opposed the merger. In addition, through public radio and press releases, Mr Teoh had learned, for the first time, that Mr Sims believed that 'TPG … has the capability to resolve the technical and commercial challenges it is facing' and that Huawei was not a 'monopoly supplier' of the equipment TPG required. The first suggestion could bear upon the Board's decision of January 2019, which had been announced to the market. The second suggestion could bear upon the Board's decision of March 2019. If Mr Sims was correct, Mr Teoh believed each could have been based on a false premise, and wanted further information from Mr Sims. Mr Teoh denied that the statement that information about a solution 'may be of profound significance to the future of TPG' reflected the possibility that he would change his mind. Mr Teoh gave evidence (which I accept) that his own mind was made up that no business case for a new mobile network could be supported. I do not regard the communication with Mr Sims as being a contra indicator to Mr Teoh's view.
261 I now consider the issue of the 5G technology. TPG has emphasised that the window of commercial opportunity for TPG to become an MNO has now passed, because TPG will have missed the period of increased customer contestability associated with being at the forefront of 5G technology.
262 Mr Teoh's evidence concerning the initial roll-out was that 'timing and speed to market was critical to TPG's MNO Strategy', and that '[o]nce TPG had investigated the Huawei solution and the easy 5G upgrade path', he realised that 'TPG could be one of the leaders in 5G'. Nonetheless, it seems clear that TPG would not in fact have had the product 5G to sell into the market for some time. I accept that from August 2016, TPG expected that 5G would be in operation by 2020, but TPG could not have actually introduced a 5G network by this time.
263 In this regard, the ACCC relied upon the financial model prepared by Mr Banfield, based on the roll-out of a 4G mobile network. The ACCC relied upon the fact that the cost of a 5G upgrade was not included in any version of TPG's financial model. However, Mr Banfield said that it was expected that the 5G upgrade would be funded through cash flow generated from TPG's 4G mobile network. Consistently with the instructions provided to him by Mr Teoh, Mr Banfield's financial model assumed that the 4G network would begin to receive cash flow from January 2020. The ACCC contended that the earliest that TPG could have commenced a 5G network roll-out would likely have been 2021, and it likely could not have completed a 5G network roll-out before 2024.
264 The important point made by the ACCC was that as at 10 April 2017, TPG was in fact going to enter the 5G market several years behind Telstra and Optus and nothing has now changed in that regard. Hence it was submitted that TPG has not, at any time, formed a plan as to when it would roll-out a 5G network: it seemed that 5G would become more significant when 5G is widely adopted and TPG sought to expand its capacity with 5G.
265 I accept that TPG even up to and including January 2019 still had no definite plan as to when the roll-out of a 5G network would occur, and an actual roll-out would not have occurred until after that of Telstra and Optus. However, as I have said, TPG expected that 5G would be in operation by 2020. I will return in more detail to this aspect later.
266 However, it is convenient to mention now that in coming to this conclusion I place very little reliance on the financial models referred to a number of times and in different contexts throughout these proceedings by all parties. Each model was based upon various assumptions, many subjective, and the result of each model could be varied (as was demonstrated by Counsel and witnesses) by slight variation in single projected assumptions.
267 As will be seen later in these reasons, Mr Wright's conclusions about the likely quality of TPG's network could have some profound consequences for the financial models which TPG prepared to support its decision to launch a mobile network. In summary, Mr Wright has made clear that TPG's network design would have been incapable of achieving the customer acquisition assumptions envisaged by models created at the time by TPG.
268 As an example of the subjectivity of the financial models, TPG's 10 April 2017 financial model was highly sensitive to changes in the customer acquisition rate. That model assumed that TPG would commence in January 2020 with a customer base of 300,000, and then grow by 60,000 customers every month until November 2026, when TPG assumed it would reach a market share of 15%.
269 Care must be taken in adjusting parameters in a financial model spreadsheet and reaching conclusions of fact. For example, if the customer acquisition rate is modified to 45,000 customers per month, which was the rate used by TPG in all versions of the model before 10 April 2017, then TPG's market share would peak at 11% market share: that change decreases the net present value ('NPV') of the model from $770 million to $23.9 million.
270 Then the model is also highly sensitive to changes in the ARPU assumption. The TPG model assumed that TPG would have an ARPU of $15 per customer per month. If this assumption was reduced to $14, and the customer acquisition rate is changed to 45,000 customers per month, then the NPV of the model is ($169.5 million). Of course, if the customer acquisition rates or ARPU drop further, then the NPV becomes even more significantly negative.
271 Another example of the subjectivity of models arose when Mr Teoh was cross-examined about the version of the model as at 7 April 2017, when the decision was made to proceed with a capital raising, and the final version as at 10 April 2017. Mr Teoh was taken to the 'DCF' tab in the 7 April 2017 version, which showed an NPV of ($288.48) million. Mr Teoh said the discount rate was too high and should be around 8.5% to reflect TPG's weighted average cost of capital ('WACC'). If that change was made, then the NPV becomes around $15 million. TPG's WACC was 8.3%. If that number was used as the discount rate, then the model would show a positive NPV of $30.2 million. The cross-examination by the ACCC on this topic and the approach of Mr Teoh was extensive, but in my view did not undermine Mr Teoh's stated position. If the cross-examination was to simply demonstrate Mr Teoh's fluid approach to decision-making and that Mr Teoh and TPG at that time were very enthusiastic to roll-out the mobile network, I accept that was the position as I have already indicated.
272 Returning then to the 5G path. In addition to densifying its network with small cell sites, TPG understood early that it would need 5G in order to have sufficient network capacity. From as early as 26 August 2016, TPG considered that having 5G would be vital for any mobile network that it would roll-out in Australia. The minutes of its Board meeting that day state: 'In the long-term, mobile will become very important. 5G will be in operation by 2020 and will be capable of threatening fixed business. It is vital therefore that we focus on investing in mobile infrastructure'.
273 Also during the network design process, Mr Teoh came to understand that TPG's network would need an upgrade path to 5G, because 5G would significantly increase network capacity. Mr Hanly gave evidence that Mr Teoh said to him around or shortly after April 2017 that 'small cell sites were the way of the future because 5G technology envisages using higher spectrum frequencies, which require cell sites to be placed closer together due to inferior propagation of radio signals at those higher frequencies'.
274 The upgrade path that Mr Teoh had in mind was that TPG would deploy centralised baseband units ('cloud BBUs') that could be upgraded to 5G with software by adding a '5G card' to the BBU, and that TPG would install Massive MIMO 5G AAUs on the utility poles alongside the 4G equipment. This ultimately would include 16T16R AAUs with Massive MIMO technology, which would substantially increase TPG's network capacity.
275 The importance of 5G to maximising TPG's network capacity was referred to in TPG's 28 April 2017 Board minutes, which record: 'Deploying small cells on poles would reduce the number of macro sites we need to deploy and could be more cost effective. Maximising use of small cells is also the right approach as it increases capacity and is the right platform for 5G'. Likewise, TPG's Board minutes on 26 May 2017 record: 'We are trying to adopt a small cell approach in the most densely populated areas for two reasons: a) this is 5G architecture - bringing service closer to customers; and b) it will increase the capacity we can provide'.
276 As at August 2017, the 5G upgrade path was mentioned to TPG's bankers. A draft business strategy update received from NAB on 11 August 2017 stated:
Upgrade path to 5G - a path to the Future.
An important component of TPG's network planning has been an easy and cost-effective upgrade path to 5G once the technology becomes available Australia (expected to be in 2020). Whilst TPG would require additional spectrum to launch a 5G network, it is important to note that their radio equipment (small and macro cells) are readily upgradeable to 5G, with minimal configuration and cost required to enable 5G services.
277 TPG's 2017 Full Year Results presentation to the ASX on 19 September 2017, shortly before TPG selected Huawei as its RAN equipment vendor, stated:
A higher density of small cell sites will be used for the initial 4G LTE rollout and will also provide key infrastructure assets for the longer term 5G evolution.
278 The necessity for a clear upgrade path is now more important in the light of Mr Wright's analysis of TPG's network design. Under Mr Wright's analysis, TPG would have to be able to deploy a 5G small cell solution by 2023, otherwise it will run out of capacity. This is the premise of Mr Wright's '5G Midpoint Network'. Mr Wright agreed that to deploy the 5G Midpoint Network, TPG would need to have a viable 5G small cell solution, an appropriate existing utility pole at each midpoint, planning approval and compliance with the electromagnetic energy ('EME') regulations. Mr Wright agreed with the following proposition about the commercial uncertainty facing TPG in deciding to deploy the 5G Midpoint Network:
Do you agree, Mr Wright, that relying on your alternative approach today, TPG would need to launch its network knowing it would run out of capacity in four years but without knowing if it has a viable means of addressing that problem?---If they couldn't negotiate a contract at day one that guaranteed it, yes.
279 This increases the need of having a viable 5G small cell solution that the TPG Board could be confident in backing now. If it did not, it would effectively be rolling out a network which it would know would run out of capacity in 2023.
280 Mr Teoh gave evidence that although Huawei did not yet have Massive MIMO as at November 2017 when Huawei was selected, he knew that Huawei's cloud BBU could be upgraded to 5G and that Massive MIMO could be attached to it. In that regard, he recalled attending a Huawei presentation in Shenzhen in September 2017 during which Huawei presented on 5G technology including Massive MIMO. I accept that enabling TPG to put 5G on a small cell with Massive MIMO was an important factor in Mr Teoh selecting Huawei. Mr Teoh thought that Huawei could supply this technology.
281 Mr Teoh's evidence as to why he chose Huawei should be accepted, and is consistent with TPG's earlier contemporaneous documents. It was also consistent with TPG's internal documents after it selected Huawei as its RAN equipment vendor. A November 2017 Board presentation stated '[t]echnology vendor selected: Huawei' and '[n]etwork upgradeable to 5G based on site access, fibre and power'. Likewise, TPG's half year results dated 20 March 2018 stated '[h]igh density of small cell sites and deployment of Cloud RAN will provide a platform for 5G services'. Further, although Mr Hanly agreed that Huawei had not told him that it could supply a 5G AAU with Massive MIMO as at November 2017, it was not put to him that a 5G upgrade path was unimportant.
282 One other matter to mention. When TPG rolled out fibre to the poles for its 4G sites, it laid an extra fibre pair for 5G. Mr Teoh emailed Mr Naik on 2 November 2017 to remind him that '[Mr Hanly] and I discussed yesterday to leave about 1m gap for future 5G antennas'. Mr Naik's update to the TPG Board in November 2017 recorded: 'Network upgradeable to 5G based on site access, fibre and power'.
283 Of course, it was clear that the entire network would not initially be '5G capable'. TPG's business plan was to build a 4G network over three years which could be upgraded to 5G after that, once 5G was present in the market.
284 The original idea was for TPG to roll-out a predominantly small cell site 4G network, complemented by a smaller number of macro sites, with provision for upgrading the network to 5G once Huawei 5G equipment became available.
285 As I mentioned, on 23 August 2018, the Federal Government issued a media release concerning security guidance for 5G mobile networks in Australia. TPG did not initially appreciate that it would not be able to upgrade its network to 5G using Huawei RAN equipment, or operate an NSA network using Huawei 4G RAN equipment, as it had intended. That became apparent in November 2018 when Mr Hanly met with representatives of the Federal Government's Critical Infrastructure Group.
286 As I have also mentioned, in mid-January 2019, after Mr Hanly and his team had investigated possible solutions to the Security Guidance that retained Huawei 4G equipment, Mr Teoh understood that the Security Guidance meant that TPG's path to upgrading its planned 4G network using Huawei equipment to 5G was blocked. The effect of the Security Guidance was that TPG could not use any Huawei 4G or 5G RAN equipment as part of an NSA network. TPG could not deploy a 5G network (or a 5G-upgradeable 4G network) using Huawei equipment.
287 This meant that TPG had three choices: to roll-out a 4G network using Huawei equipment that could never be upgraded to 5G; to abandon the roll-out; or to start a new roll-out from scratch using replacement equipment (if available).
288 However, TPG commercially incurring the cost of rolling out Huawei 4G RAN equipment if it could not be upgraded to 5G would not have been a rational business decision. Nor would it have been a rational business decision to roll-out the 4G network with Huawei equipment and later roll-out a separate SA network using non-Huawei equipment, with the added cost and complexity of operating two networks. TPG dismissed this as an option in mid-January 2019. Mr Bromhead, whom the ACCC called from Ericsson, agreed it would be impractical to install an SA network in Australia at this stage.
289 Accordingly, the Security Guidance deprived TPG of an upgrade path to 5G using Huawei equipment, which meant that as at 25 January 2019, TPG had 'no other option' but to cease rolling out its network.
290 This need for 5G remains true, so accordingly, absent a technical solution for a 5G upgrade path, or the Security Guidance being reversed, TPG would not roll-out a mobile network. This is the reason the Court needs to consider whether there are other equipment vendors that can fill the void.
291 However, before going to this topic, I make some further observations on the 5G path.
292 The precise details of an upgrade path with Huawei to a Massive MIMO 5G solution were not finally resolved, but it was not only on a product roadmap; it was being developed by a well known vendor to TPG, and Huawei had indicated that it was going to be ready by late 2019. Obviously, this has not occurred as XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXXX.
293 I note that a 16T16R AAU is Massive MIMO. The Massive MIMO offered by a 16T16R AAU is not as massive as the Massive MIMO offered by a 32T32R AAU or a 64T64R AAU. TPG had decided to focus on a 16T16R because it was the largest and most powerful unit apt to fit on a small cell site, such as a utility pole: with the spatial multiplexing and Massive MIMO, it is far superior to any traditional passive solution (I will return to the technical features of 16T16R AAUs later). Then, TPG expected that the Huawei 5G AAU was going to be capable of vertical beamforming. I will come to alternative vendors later, but TPG has consistently requested a 5G AAU from Nokia and Ericsson that was capable of both horizontal and vertical beamforming. It would be surprising if the unit custom designed for use in dense urban environments did not have this feature. Further, from the image of the Huawei 16T16R AAU, Professor Björnson concluded that the antenna elements were distributed both horizontally and vertically, and that it would likely be capable of both horizontal and vertical beamforming. Vertical beamforming brings a benefit where there are buildings that go up in height, such as in dense urban environments, because a device capable of vertical beamforming can send beams up and send beams down.
294 There were going to be some volumetric challenges at certain utility pole sites even with the very small Huawei 5G AAU. There is an enormous variation in the volume of different poles. Nevertheless, the Huawei 5G AAU device was going to be capable of deployment on a substantial majority of poles. It was a problem that could have been managed if there were some poles where the unit could not be deployed, depending on which antenna was used and whether an enclosure was used.
295 It is important to also stress that TPG had a very good working relationship with Huawei, which it no longer has or will have in Australia. I accept that a good working relationship is vital between an operator and an equipment vendor. All relevant witnesses accepted that the relationship between a supplier and an operator is critical. I just mention now that in contrast with its decade-long dealings with Huawei, TPG has no existing relationship with Ericsson, and a limited one with Nokia, the potential new vendors of equipment.
296 That TPG had a long-standing relationship with Huawei was attested to by the witnesses from Huawei called by TPG (which evidence I accept), namely Messrs Wang, Jiang and Chao.
297 Similarly, Telstra has had a relationship with Ericsson for over many years. XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXXX XXXXX XXXX XXXX XXXX XXXX XXXX XXX.
298 However, a consequence of Ericsson's close relationship with Telstra is that it is more difficult for others (such as TPG) to work with it.
299 XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXXX XXXXX XXXX XXXX XXXX XXXX XXXX XX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXXX XXXXX XXXX XXXX XXXX XXXX XXXX XX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXXX XXXXX XXXX XXXX XXXX XXXX XXXX XX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXXX XXXXX XXXX XXXX XXXX XXXX XXXX XX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXXX XXXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXXX XX. So too is the fact that there is no existing commercial relationship between TPG and Ericsson and Ericsson does not have any direct knowledge of TPG's current infrastructure.
300 It is now important to consider potential vendors that TPG could go to in light of TPG's current position, and the need for the 5G upgrade path.
301 I provide this summary of my findings and conclusion on the issue of whether TPG lacks a business case because no other vendor can provide a 5G upgrade path. This provides an overview of the detailed submissions and evidence on this issue. It is important to understand the technical requirements, some of which I have mentioned previously, but need to be put in the context now of TPG's future options.
302 The design of TPG's mobile network adopted a structure that was highly unusual relative to the networks of other MNOs, which networks utilise traditional macro cell-based networks that are complemented by a smaller number of small cell sites. Small cell sites are base stations located on poles, street furniture or other lower structures, as opposed to macro cells which are typically located on the rooftop or sides of buildings, towers and other elevated structures. Small cell sites typically carry lighter, smaller and less high-powered equipment than macro cells, which lowers the capacity and coverage that can be provided through a small cell site as compared to a macro cell.
303 In contrast to macro cell-based networks, TPG's network design comprised a network predominantly made up of small cell sites using low band spectrum and high output power, complemented by a smaller number of macro cells, making it highly unusual and perhaps even unique. I will return to the matter of TPG's unique system in more detail later.
304 TPG adopted the unusual network design for two reasons: (1) it considered that the use of small cells was '5G architecture' and (2) due to its limited spectrum holdings relative to other MNOs.
305 The source of much contention in these proceedings concerned the design and architecture of TPG's 5G RAN, and less so, its 4G RAN. TPG planned to deploy an initial 4G mobile network that would provide key infrastructure assets to accommodate an upgrade to an NSA network.
306 TPG's small cell 4G RAN network design involved the deployment of:
(1) two Huawei RRUs (one operating on 700 MHz spectrum, the other operating on 2.6 GHz spectrum) with two passive antennas, a power supply unit, enclosure and cabling on each small cell site; and
(2) Huawei cloud BBUs housed in 'BBU hotels' at remote locations from the utility poles and that control and manage interference between a number of small cell sites.
307 As to the 5G RAN, and as I have briefly mentioned, TPG's strategy envisaged that it would:
(1) software-upgrade the Huawei RRUs operating on 700 MHz spectrum to support 5G technologies and communicate with 5G mobile devices using 700 MHz spectrum;
(2) deploy two Huawei Massive MIMO 5G AAUs operating on 3.6 GHz spectrum on the utility poles alongside the 4G equipment. This, in particular, would include 16T16R AAUs with Massive MIMO technology, capable of horizontal and vertical beamforming; and
(3) install '5G cards' into the spare slots on the existing Huawei cloud BBUs to enable the BBUs to support 5G technologies and to communicate with the AAUs installed on utility poles.
Once deployed, this equipment would have allowed TPG to operate an NSA network.
308 As I have mentioned, given TPG's limited spectrum holdings, it was important not only that it could upgrade to a 5G service, but that it could achieve the increased capacity gain associated with Massive MIMO rather than a traditional passive solution. Compared to the use of a passive antenna, an AAU will generally have increased signal strength, and overall increased performance. If an AAU is set up correctly, it is more apt to maximise capacity and coverage than a passive antenna. For a small cell network, the only unit that is small enough to be installed on a utility pole with Massive MIMO technology capability is a 16T16R AAU.
309 Massive MIMO allows for antenna arrays from 16T16R and upwards, which facilitates a potentially dramatic increase in spectral efficiency. While it is a potentially dramatic increase because the technology is still emerging, all of the network operators with 4G networks are augmenting them to have 5G capability.
310 Massive MIMO seeks to separate several radio beams and then steer them towards users. This is sometimes referred to as 'spatial multiplexing'. As the beams emitted by a Massive MIMO device are spatially separated, the same spectrum may be re-used by each beam. This has the effect of multiplying the spectral efficiency and thus the capacity of each site that employs Massive MIMO technology.
311 TPG would only be able to achieve the capacity gains associated with Massive MIMO through the deployment of a suitable AAU. For this reason, TPG regarded a passive solution for 5G as unacceptable.
312 Over the course of approximately two years, TPG developed its MNO strategy, planned its mobile network and began deployment. It completed its radio frequency network design based on Huawei equipment.
313 TPG spent approximately one year deploying its mobile network. For the RAN, TPG had installed Huawei 4G small cell equipment on utility poles at 924 sites nationally, of which approximately 400 sites are 'live', meaning that the small cell site equipment is installed, connected to power and fibre and ready to be integrated with the core network. If TPG had completed the roll-out of its planned network, it would have deployed approximately 4,863 small cell sites and 630 macro cells.
314 On 9 May 2018, TPG announced that it expected to begin trials of its 4G mobile network and offer trial plans in particular metropolitan suburbs in the third or fourth quarter of 2018. However, TPG never launched the trials announced in May 2018. During 2018, there were delays in the roll-out and big gaps in TPG's coverage, and in January 2019, TPG decided to cease its roll-out due to the Security Guidance.
315 At the time TPG ceased the roll-out, it was at least several months behind schedule. Negotiating with utilities for access arrangements to utility poles had been slower than expected, and TPG had experienced unexpectedly high levels of community and political opposition to the roll-out of small cell sites. TPG also made minimal progress on deploying macro cells.
316 No sector of TPG's mobile network was complete at the time it ceased the roll-out.
317 As to the RAN equipment TPG had obtained from Huawei, at the time TPG ceased the roll-out, such equipment included (among other things), RRUs (with one operating on 700 MHz spectrum and another on 2.6 GHz spectrum), power units, passive antennas and a cloud RAN solution.
318 At the time TPG had ceased its mobile network construction, Huawei had not provided TPG with a 16T16R AAU. Huawei was customising a 16T16R AAU capable of horizontal and vertical beamforming, and with a volume of 10 litres and a power output of 40 watts so that it was small enough to be suitable for installation on a utility pole alongside Huawei's 4G RAN equipment.
319 In early 2018, Huawei advised TPG that it could supply a Huawei 5G AAU with Massive MIMO that could be installed on the same utility pole containing Huawei 4G RAN equipment. By the time TPG ceased the roll-out of its network, a prototype Huawei 5G AAU device existed and Huawei had made a commitment to TPG that it would be ready by the fourth quarter of 2019, subject to any delays caused by additional customisation requirements.
320 The precise details of the Huawei Massive MIMO 5G AAU were not finally resolved, but it was not only on a product roadmap and, as I have mentioned, was being developed by a RAN equipment provider with which TPG had a strong business relationship.
321 It is common ground in this proceeding that TPG cannot deploy a 5G network (or a 5G-upgradeable 4G network) using Huawei equipment. This is because the 5G RAN equipment designed, manufactured and supplied by one RAN equipment vendor is proprietary and not currently designed to be interoperable, and is not currently interoperable at the radio base station level with the 5G technology of another vendor when used on the same sites in the same mobile network. The 5G RAN equipment designed, manufactured and supplied by one RAN equipment vendor is also not interoperable with the 4G network equipment of another vendor. For example, a 5G AAU of one vendor cannot interoperate with a 4G BBU of another vendor. Given the above and as a consequence of the Security Guidance, TPG is unable to use any Huawei 4G or 5G RAN equipment to build an NSA network. Were TPG to proceed with the roll-out of an NSA network, it would need to replace all Huawei RAN equipment with the equipment of another vendor (to the extent such equipment is available). The question of whether such equipment is available is a matter of contention between TPG and the ACCC.
322 As to the availability of 4G RAN equipment, there does not appear to be a serious question as to whether a non-Huawei equipment vendor can provide TPG with the necessary equipment. Mr Hanly informed the TPG Board on 29 March 2019 that both Nokia and Ericsson may be able to provide suitable replacement 4G RRUs and BBUs for TPG's 4G mobile network.
323 As to the availability of a suitable technical solution to allow TPG to recommence rolling out a predominantly small cell 4G network with a 5G upgrade path, I accept TPG's evidence that no alternative vendor currently has a suitable 5G upgrade path. TPG's position primarily rests upon the absence of a suitable 5G AAU from an alternative vendor.
324 Around the time of the Security Guidance, the commercial availability of a Huawei 16T16R AAU suitable for TPG's small cell network was close to fruition, notwithstanding that the end product may have required changes that compromised certain of its features and may not have been suitable for all small cell sites in TPG's network. However, as TPG has done in the past, I do not doubt that it would have worked with Huawei to find solutions to any such problems. XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXXX XXXXX XXXX XXXX XXXX XXXX XXXX XX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXXX XXXXX XXXX XXXX XXXX XXXX XXXX XX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXXX XXXXX XXXX XXXX XXXX XXXX XXXX XX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXXX XXXXX XXXX XXXX XXXX XXXX XXXX XX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXXX XXXXX XXXX XXXX XXXX XXXX XXXX XX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXXX XXXXX XXXX XXXX XXXX XXXX XXXX XX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXXX XXXXX XXXX XXXX XXXX XXXX XXXX XX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXXX XXXXX XXXX XXXX XXXX XXXX XXXX XX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXXX XXXXX XXXX XXXX XXXX XXXX XXXX XX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXXX XXXXX XXXX XXXX XXXX XXXX XXXX XX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XX.
325 There is also generally a lack of demand for 16T16R AAUs because MNOs with traditional macro cell network architecture are more focussed on achieving the even greater capacity gains achieved by using 32T32R or 64T64R AAUs, which due to their size are not suitable for deployment at small cell sites containing 4G RAN equipment. The lack of demand for a 16T16R, coupled with the absence of a close relationship between TPG and alternative vendors, could materially impact the timing of a 16T16R being made available to TPG for commercial use. Even with the current pace of 5G innovation, a 5G 16T16R AAU of similar dimensions, power and performance to the planned Huawei 16T16R AAU may not become available from alternative vendors in the next five years.
326 I accept TPG's evidence that the other potential 5G solutions the ACCC highlighted and which are offered by Ericsson and Nokia, are not suitable for TPG's network design.
327 Ericsson's currently available solutions, namely, the 'Ericsson 8823' and 'Ericsson 4422' are passive solutions that are not capable of Massive MIMO and are therefore not suited to TPG's network design, XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXXX.
328 XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXXX XXXXX XXXX XXXX XXXX XXXX XXXX XX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXXX XXXXX XXXX XXXX XXXX XXXX XXXX XX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXXX XXXXX XXXX XXXX XXXX XXXX XXXX XX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXXX XXXXX XXXX XXXX XXXX XXXX XXXX XX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXXX XXXXX XXXXX XXXX XXXX XXXX XXXX.
329 Nevertheless, I do accept that TPG may not need to roll-out a 16T16R AAU now. I observe that 5G technology is likely to evolve rapidly and that given the current pace of 5G innovation, it is possible that a 16T16R AAU of similar specifications to the Huawei AAU will become available from other vendors. I can put it no higher than possible. However, in light of the circumstances set out above, I do not consider that it would be commercially sensible for TPG to proceed with a roll-out without greater certainty that its planned network design will be achievable within a reasonable period of time.
330 Finally, I do not accept the ACCC's submission that the level of certainty that TPG now says it requires as to a viable 5G solution is at odds with what TPG required during its initial network roll-out. This is because the landscape facing TPG today, the circumstances in which TPG is currently doing business, and its commitment to rolling out a mobile network is not in any way similar to that existing in April 2017, when TPG announced to the market its intention of doing so. In addition, the roll-out of a new network will require additional and unplanned financial investment and will necessarily be delayed (a matter to which I will come).
331 Further, it is worth recalling this fact. At the time of trial, some months after TPG ceased its roll-out, and more than two years after TPG's original decision to commence that roll-out, no other vendor has emerged with a solution that would allow TPG to upgrade to 5G with the 5G RAN equipment installed alongside 4G RAN equipment on the same utility pole.
332 This is despite further engagement between TPG and potential equipment vendors in relation to equipment that might be used by TPG, by the joint venture with Vodafone or by MergeCo.
333 Even if suitable replacement equipment became available (and this is not currently the case), it would be necessary to test whether such equipment provides similar coverage and capacity to the Huawei devices, not only to meet TPG's requirements, but also to avoid potentially lengthy radio frequency redesign of the network.
334 I do not accept that it is now rational to expect TPG to roll-out a 4G network without knowing whether there is a 5G upgrade path with a vendor it selects.