A multi-mode WLAN-GSM communications device (100) comprises a WLAN transmitter (110) that stalls its transmit data and depowers its radio transmitter whenever a collocated GSM receiver (104) signals it needs to receive a GSM base-station transmission. If a collocated Bluetooth device is also included, the Bluetooth receiver can also signal the WLAN transmitter (110) to be quiet during selected timeslots.

 
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