| 摘要 |
THERE IS DESCRIBED TO RADIO COMMUNICATION SYSTEM, INCLUDING A UNIT (2) WHICH IS ABLE TO COMMUNICATE OVER A RADIO COMMUNICATIONS NETWORK SUCH AS A SATELLITE OR CELLULAR SYSTEM, AND IS ALSO ABLE TO COMMUNICATE WITH A DEVICE SUCH AS A PORTABLE HANDSET (12) OVER A SHORT RANGERADIO LINK. IN ORDER TO AVOID POTENTISLLY TROUBLESOME INTERFERENCE ON THE COMMUNICATIONS PATH WITH THE COMMUNICATIOS NETWORK, THE UNIT (2) IS ABLE TO DETECT THE STRENGTH OF SIGNALS RECEIVED ON THE SHORT RANGE RADIO LINK, AND ALERT THE USER IF THOSE SIGNALS ARE SUCH AS TO BE POTENTIAL SOURCE OF INTERFERENCE.
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