Adaptive echo cancellation for an on-frequency RF repeater...

Apparatus and method for high-speed determination of received RF

Apparatus and method for preventing oscillations in a radio...

Booster with detectable boost operation

Communication network

Communication system and apparatus

Communication system to communication system communication syste

Communications repeater monitoring system

Detection and elimination of oscillation within cellular...

Direct mode repeater in a mobile radio system

Discrete power level coding for indicating uplink mobile...

Diversity repeater diagnostic method and apparatus

Error detecting device for a radio blind zone system

Fail-soft architecture for public trunking system

High-frequency signal booster

Land mobile radio system having a cell in which mobile radios tr

Local orderwire facility for fiber optic communication system

Measuring and controlling signal feedback between the transmit a

Mechanism for deriving accurate frequency reference for satellit

Method and apparatus employing wireless remote loopback...