Abstract: A combined cellular and GPS antenna resembles a magnetic mount cellular antenna, but provides both cellular transmit/receive functions as well as GPS reception. Furthermore, the present invention provides a combined GPS antenna operating at 1540 MHZ with a cellular antenna in the 800 to 950 MHZ range and provides extended elevation coverage for the cellular band. The dual purpose antenna structure of the present invention can be used with any cellular radio which incorporates GPS as an internal locating function. A single coaxial cable between the radio and the antenna can carry the GPS reception signal, the cellular receive and transmit traffic, as well as DC power required by the sensitive GPS amplifiers, located in the antenna itself.

Abstract: A millimeter wave link provides a means for easily transporting multiple high speed data channels, in excess of 100 Mb/s, a distance of up to 10 km, without requiring elaborate modulators and demodulators. This invention also provides fast setup, versatility, and is portable, which makes it desirable for field use. In addition, it can be set up for long term high speed data collection in a virtually permanent environment. The unidirectional link of the present invention is intended for use in experimental data collection systems, where portability, ease of setup and high speed data transfer are required. University environments as well as independent research and development institutions can benefit significantly from its use.