Communication system and apparatus

Telecommunications – Carrier wave repeater or relay system – Monitoring

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Details

455 531, 455 542, 455 674, 455 89, 340539, 359145, 359152, 359172, 359173, H04B 160, H04B 1702, G08B 2500

Patent

active

053013530

ABSTRACT:
A communication device (16) comprises first and second transceivers and apparatus for determining when the communication device (16) is in an on-site area (11) and when the communication device (16) is in an off-site area. The first transceiver transmits and receives signals on a first communication medium (17), when the communication device (16) is in a first area (11); whereas, second transceiver transmits and receives signals on a second communication medium (28), when the communication device (16) is in a second area.

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