Antenna interface unit

Apparatus for local reduction of electromagnetic field using...

Automatic output power controller

Impedance control apparatus and method for portable mobile...

Impedance matching circuit in transmitter circuit and control me

Impedence-matched transmitting device having high...

Matching network

Method and apparatus for dynamically adjusting a...

Method and apparatus for dynamically adjusting a...

Method and arrangement for performing analog signal...

Radio station with optimized impedance

Transceiver with closed loop control of antenna tuning and...

Transmitting apparatus and method of mobile communication...

Transmitting apparatus and method of mobile communication...

Transmitting circuit, receiving circuit, interface switching...

Tuning method for automatic antenna couplers