COMMUNICATIONS AID FOR END USER CELLULAR DEVICE

摘要

A communications aid 10 for a cellular end-user communications device 12 comprises a cellular device interface 16 for interfacing with the cellular end-user communications device. An antenna port 22 which is connectable to an auxiliary antenna 24. A switch arrangement 32 is provided for selectively making in time multiplex manner one of a) a receive path 26 from the antenna port 22 to the cellular device interface 16 and which receive path comprises a receive amplifier 30 and b) a transmit path 20 from the cellular device interface to the antenna port and which transmit path comprises a transmit amplifier 28.