Antenna system

Apparatus and method for expanding cellular system capacity

Apparatus and method for transforming and transmitting signal

Bi-directional filter system for amplifying signals in separate

Booster diversity receiving system usable with cellular booster

Cell enhancer for cellular radio telephone system having diversi

Cellular receiver range extender

Communication system comprising an active-antenna repeater

Communications system enabling radio link access for non-trunked

Demodulating system for auxiliary channel in straight-through ra

Direct inward dial telephone number recognition in a land mobile

Dispatch communication system with adjacent system signal repeat

Diversity coverage

Dual-mode booster system

Duplex RF repeater for personal communications system

Extension set for a DVB-T-receiver

Half duplex communication system having quick channel assignment

Intelligent repeater and method to provide increased signaling

Inter-truncked radio systems bridge protocol

Intersystem communication system and method