Exterior mounted remote control television channel selector

External adapter for a portable cellular phone

External compiling device of a directory and a schedule calendar

External connector and battery extension pack for a portable...

External control unit with reduced keypad integrated in...

External data-input device and speech inputting method of...

External memory management apparatus and external memory...

External noise intrusion prevention device, signal...

External operating unit for a mobile radio telephone

External power source to main battery power sources switch

External power supply control system for cellular phone

External request type function control system, terminal...

Externally connectable control unit for a portable radio

Externally controlled output power by means of antenna keying

Extra capacity radio base station for wireless communication

Extra communication service system with time differential...

Extraction of primary and co-channel signals

Extraterrestrial communications systems and methods...

Extravehicular communication system and method

Extremely high frequency multipoint fixed-access wireless commun