* The radio modem should be on a separate chip. * The main computer should be able to turn the radio modem on and off. * The microphone and the GPS should be connected to the main computer, not to the radio modem. * The software on the main computer should be free -- all of it. * The radio modem should not be able to control the main computer or alter its memory. * It should be designed so that the nothing can alter the radio modem's own software. This program must not be updatable