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AU4263701A
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Radio communications infrastructure using a packet communication protocol
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GB0106068D0
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A feed-forward signal level control arrangement with a delay in the signal path
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GB0025902D0
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Radio transmitters
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GB0021974D0
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Echo reduction in two-way communication
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GB0021208D0
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Short data messages in mobile communications systems
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GB0020323D0
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Short data messages in mobile communications systems
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GB0019993D0
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Signal measurement in radio communications systems
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GB0017718D0
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Mobile radio communications system
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GB0007874D0
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Mobile radio communication system
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GB0007812D0
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Method of and apparatus for setting up calls in a mobile communication system
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GB0007655D0
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Digital transmission
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GB0006013D0
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Mobile radio communications
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GB0000944D0
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Radio receivers
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GB0000634D0
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Radio communications system
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GB9925234D0
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Mobile radio communications systems
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GB9922847D0
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Radio communications
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GB9922479D0
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Mobile radio communications
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GB0022618D0
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Phase control in the feedback loop of a power amplifier using measurement at a point before power control
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GB9917272D0
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Communications system
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GB9916181D0
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Method and apparatus for transmitting data
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