Rf site communications link
Rf switch
Rf transceiver
Rfid systems and methods for optical fiber network...
Ring phase loop detector
Ringer guard circuitry for subscriber carrier telephone system
Ringer power generator circuit for subscriber carrier...
Ringing control circuitry with shared ringing loop current...
Ringing control circuitry with shared ringing loop current...
Ringing generator for carrier telephone station terminal
Ringing signal reformatting circuit
Ringing signal transmission system for radiotelephone system
Roamer port notification in a radio telecommunications network
Roamer service auto-activation and deactivation in a home...
Roaming authorization system
Roaming mobile communication system and method
Roaming of mobile parts in at least partially asynchronous...
Roaming process and pertaining devices
Roller bar menu access system and method for cellular...
Rotating-access atm-stm packet switch