1. To demonstrate multimedia applications which use the data transmission capabilities of TETRA. 2. To develop a portable hardware kit which can be taken into the field in order to transmit medical telemetry, digital images, location telemetry and text from a casualty site up in the mountain to the mountain rescue base. 3. To develop an easy-to-use and automated portable hardware device that interfaces to medical monitoring equipment, digital cameras, GPS receivers and PDAs. 4.T o develop interfaces to Medical monitoring equipment, digital cameras, GPS receivers and PDAs to acquire data from these devices. 5. To develop the protocols for transmitting the different types of data. 6. To develop call control strategies for setting up and hanging up data calls and sending SDS and status messages. 7. To develop display applications to display medical data, digital images, location data, and text on a PC monitor at the receiving end. 