Car-mounted type booster system for hand-held phone

Carry case having paging circuitry section

Cellular portable telephone battery pack and programmer interfac

Cellular radio-telephone receiver employing improved technique f

Cellular radiotelephones including means for generating a search

Cellular telephone headset for hand-free communication

Center frequency control of an integrated phase rotator...

Circuit arrangement comprising a tuner and a splitter-modulator

Circuit for generating signals in phase quadrature and associate

Circuit for receiving and transmitting signals and method

Circuitry for widening the effective range of a transmitter

Class I cellular mobile telephone apparatus

Coaxial dual antenna connection arrangement for communications a

Combined antenna apparatus and method for receiving and transmit

Combined radio transmission and reception apparatus with a PLL c

Combined wireless/wired phone handset system

Communication device having a movable front cover for exposing a

Communication device having a speaker and microphone

Communication device using antenna having an offset

Communication system and methods for enhanced information transf