Radio communication device capable of communication in a plurali
Radio communications and telephone network interface system
Ring detecting circuit and method for wireless/wired composite t
Self-diagnostic system for cellular-transceiver systems with...
Speaker switching device
Telephone set with a detachable cordless control and display...
Transceiver having interphone system
Two-way radio with voice storage
USB-based wireless transmitting/receiving system
Wireless animal calling system and associated method
Wireless local loop system and method
Wireless terminal for mobile unit
Wireless transmitting method, wire transmitting method,...