Louis J. Vannatta

Antenna coupling apparatus for cordless telephone

Portable radio housing incorporating diversity antenna structure

Multimode receiver and method for controlling signal interference

Diversity Antenna Structure Having Closely-Positioned Antennas

Modular communication device and method of providing communications therewith

Balun apparatus including impedance transformer having transformation length

Reduced crossmodulation operation of a multimode communication device

Difference drive diversity antenna structure and method

Method and system for conducting communication between mobile devices

Method and apparatus for providing background audio during a communication session