Ness X-TWR & Radio Key kit 106-110Ness Two Way Radio Kit. Compatible with Ness DPLUS, D8xD16x, D8D16XCEL panels. Includes: 2x Ness RK5 TWR 5 Button Radio Key 1x Ness X TWR D8 D16 Two Way Radio Interface The Ness X TWR Transceiver provides Two Way Radio functionality for Ness DPlus & D8 D16 control panels for use with Ness TWR radio keys and devices. Ness Two Way Radio devices employ spread spectrum frequency hopping technology for improved security and range, also providing