Radio telephone system having recording and reproduction functio

Radio telephone system which utilizes an infrared signal communi

Radio telephone with automatic answering

Radio telephone with variable attenuator for controlling modulat

Radio terminal interfaces for voice and data telecommunications,

Radio transceiver with interface apparatus which visually displa

Radio-signal-responsive vehicle device control system

Radiotelephone equipment for use in vehicle

Radiotelephone for automatically dialing remotely programmed num

Radiotelephone having a plurality of subscriber identities and m

Radiotelephone system in the form of a private branch exchange

Radiotelephone system that maintains synchronization between bas

Radiotelephone system, particularly for motor vehicles

Radiotelephone telephone number down loading

Radiotelephone with handset talking function and hand-free talki

Radiotelephone with multiple simultaneous telephone number ident

Radiotelephonic process for locating mobile subscribers and a ra

Radiotelephony system

Real time information system for cellular telephones

Reestablishment