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LONDON AMBULANCE SERVICE RELIES ON BROADBEAM'S SEAMLESS NETWORK SWITCHING FOR PROMPT AND RELIABLE EMERGENCY RESPONSE State of the Art Deployment is Capable of Utilizing Up to Five Different Networks for Ambulance Dispatch Cranbury, NJ, July 21, 2003 - Broadbeam Corporation, a company with more than 10 years of expertise in developing and deploying mission-critical mobile solutions for enterprise customers, is enabling real-time ambulance dispatch for London Ambulance Service, the largest ambulance service in the world. Serving an area of approximately 620 square miles, London Ambulance relies on Seamless Network Switching, a key component of Broadbeam's ExpressQ® Wireless Platform, to switch simultaneously between multiple wireless wide area (WWAN) and wireless local area (WLAN) network connections. When a London Ambulance vehicle leaves the 802.11b WLAN environment, its connection can seamlessly switch to the GPRS (general packet radio service) and GSM (global system for mobile communication) networks as they become available. User defined rules have been set to designate which order the networks should be tried until a connection is established. By switching from the WWAN to the WLAN and with the capability to switch from GPRS (packet data) to GSM (circuit switched) networks based on availability, London Ambulance is able to minimize costs while maximizing coverage. "Broadbeam's ability to offer seamless switching was critical to our decision. The wireless data system is far more efficient than voice-based radio communications," said Quentin Armitage, Deputy Director of Technology, London Ambulance. "With radio communications, it could take a minute or more to give full details to the crew, which can be accomplished in three to four seconds now." In the event of an emergency, ambulances are notified by the sound of a bell in the cab while detailed instructions appear simultaneously on their in-vehicle touch screen device. Following the initial notification, vehicles receive detailed driving directions via an in-vehicle navigation unit, which is attached to the touch screen PC (personal computer). Meanwhile, the control room is also receiving GPS (global positioning system) navigation data back from the vehicle every 15 seconds. A map is also displayed on the PC, which enables the crew to see where the vehicle is in relation to the location of their destination. Each London Ambulance vehicle is equipped with two GPRS devices to ensure optimum network coverage. Overall, four networks can be used plus the 802.11b WLAN. For London Ambulance when a vehicle is out of coverage, data is automatically routed over another network for seamless communication at all times. About ExpressQ Broadbeam's ExpressQ Wireless Platform enables users to rapidly extend applications to a mobile workforce. It now provides more reliable and secure wireless communications than ever with network and device independence and a great user experience. ExpressQ extends enterprise applications and Web content to users of intelligent client devices, ensuring that mobile workforces always receive critical corporate information through real-time interactive communications when both sides are connected and via its ability to switch seamlessly between multiple wireless wide area (WWAN) and WLAN networks. Wireless messages can also be stored for out-of-coverage users and then forwarded when they return to coverage areas. With ExpressQ, messaging may be initiated from the client or server. About Broadbeam Broadbeam Corporation (www.broadbeam.com) is the leader in delivering proven mobility solutions to enterprises that need their employees, customers and partners to be integrated into business processes. Broadbeam's leading-edge products and services enable companies around the world to design, develop and deploy mobile applications with ease.