The next generation Software Defined Radio (SDR) will provide the answer to the demand for flexible and versatile systems, and efficient joint operations communications as this new generation of military radios will swiftly adapt to different protocols or “waveforms”. SDR will use a common core programmable radio, which will be able to communicate with existing generation wireless systems, as well as new and enhanced systems. One of the main advantages of these new systems is their ability to be programmed to link with other communications systems, such as commercial radios, cellular systems (wireless phones) and standard telephones. The most advanced SDR currently in development is the Joint Tactical Radio System (JTRS), under development for the US armed forces. These systems will augment, and later replace all existing wireless communications systems currently in service.