System for initialising a communication channel between a subscriber stationand a base station in a communication system
BE1004075A3
System for initialising communication between subscriber station - uses radio channel to establish communication prior to use of main communication channel
AR241364A1
Wireless digital telephonic arrangement.
AR241354A1
A multiple phase modulator to convert a digitalized bit stream.
AR241429A1
Rf telephonic arrangement to simultaneously provide multiple vocal and/or data signals to either only one or a plurality of rf channels.
IE863044L
Frequency synthesizer for broadcast telephone network having¹multiple assignable frequency channels
