A wireless radio frequency (RF) transmitter includes a power amplifier and a predistorter for injecting a distortion signal into an RF signal prior to amplification for use in linearizing the power amplifier; wherein the predistorter includes a phase shifter operating at less than twice a carrier frequency of the RF signal.

 
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< Dual-band radio enabled lapel mounted audio and signal handling system and method

> Harmonic rejection gated-switching mixer

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