Polarity switch for satellite television receiver

Portable multi-antenna signal receiver

Portable radio receiver

Portable telephone apparatus and control method thereof

Portable telephone apparatus that can attain directivity of...

Pre-tuner tracking traps responsive to a tuning voltage

Preamble based selection diversity in a time division multiple a

Processing architecture for a receiving system with improved...

Programmable antenna interface with adjustable transformer...

Proportional diversity radio receiver system

Push-to-talk system with enhanced noise reduction

Radiated input mixer

Radio apparatus with diversity antennas

Radio apparatus with diversity antennas

Radio communication apparatus

Radio communication device antenna arrangements

Radio communication device having a microstrip antenna with inte

Radio communications receiver and method of recovering data...

Radio data transmission system

Radio equipment