Since releasing our first radio system in 1994 we have always been at the forefront of bite alarm radio technology. With over 25 years of radio experience we have now made our most technologically advanced receiver ever. A fully digital radio system giving ultimate range, performance and penetration with no interference. Market leading battery life and security features as well as our unique DND (do not disturb) and RunLite functions. If you want the best system on the market look no further …… the Rx-D digital receiver.