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Radiocommunications Advisory Guidelines (Managing Interference from Spectrum Licensed Transmitters – 850/900 MHz Band) 2021
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Turn the raw legal text into a practical explanation grounded in Radiocommunications Advisory Guidelines (Managing Interference from Spectrum Licensed Transmitters – 850/900 MHz Band) 2021.
(1) In parts of the 850/900 MHz band, spectrum licensed radiocommunications transmitters operate in frequency bands directly adjacent to frequency bands for apparatus licensed radiocommunications receivers of different services. Apparatus licensed receivers may suffer interference from a spurious emission, and from blocking and intermodulation caused by a spectrum licensed radiocommunications transmitter. (2) A spurious emission is a by-product of a radiocommunications transmitter’s radio emissions and includes broadband noise, harmonics, intermodulation products, transient signals and other emissions. Blocking occurs when a high level off-tune signal overloads a radiocommunications receiver’s front-end and causes a degradation in the quality of the wanted output signal. Intermodulation products can be generated in-band in the input stages of receivers in the presence of two or more high level signals at the receiver input.