Frequency-hopping radio communication system - uses control for coupling field connecting transmitter according to frequency required for speech direction of station

摘要

The radio communication system for digital information incorporates time compression before transmission of the information blocks between the individual stations. The frequency range is sub-divided into a number of partial ranges with a respective transmitter (S1..S6) tuned to each of these. The inputs (a1..a6) of the transmitters (S1..S6) are coupled to the same subscriber speech terminals via a coupling field with an associated coupling control (VS, ES1..ES6) for switching through one of the transmitters (S1..S6) in dependence on the frequency fed in the speech direction.