STINGRAY 5600 is a compact, fully synthesised, 55 channel transceiver which includes all International channels allocated for port operation, intership and public correspondence with all the added advantages of “dual watch™ on channel 16 and any selected channel. For the yachtsman the special marine frequency 157.85 Mhz, known as channel “M” is also provided as standard. STINGRAY 5600 is of solid state design with conservatively rated rugged components and materials, The equipment has been tested and type approved in the UK to Home Office Specitivation MPT 1251. The transceiver is not regarded as being waterproof and should not therefore be sited in an exposed position or subjected 10 rain or spray.