A switching system to multiple transceivers in a mobile computing system allows communication through various technologies, namely belonging to WWAN, WLAN, and WPAN space. A common antenna or antennas is shared by the transceivers. The switching system connects the proper transceiver to the antenna system...http://www.google.co.uk/patents/US20020137472?utm_source=gb-gplus-sharePatent US20020137472 - Wireless antenna switching system
