A multichannel radiotelephony system provides two way cordless communications with a plurality of multichannel transceivers portable within a coverage area comprised by a plurality of cells, each associated with a base station and antennas, such as to permit channel frequency reuse in cells...http://www.google.ca/patents/US5809395?utm_source=gb-gplus-sharePatent US5809395 - Remote antenna driver for a radio telephony system