SAILOR Compact VHF DSC RM2042 Radio Controller Transceiver S.P Radio MarineSailor Compact VHF DSC RM2042 Radio Controller Transceiver S. P Radio Marine Works perfectly, fully tested with guarantee. You will receive what you can see on the photos. ***** Number of Transistors Semiconductors present. Semiconductors Main principle Transceiver Wave bands VHF incl. FM and or UHF (see notes for details) Power type and voltage Storage Battery for all (e. g. for car radios and amateur radios) 12 Volt Material Metal case from