SEA 7000G SELCALL DSC HF/SSB Controller

SEA 7000G SELCALL DSC HF/SSB Controller, provides DSC, NECODE, and advanced distress capabilities to an external SSB radiotelephone, offering enhanced conmmunications and safety, 45 DSC ID's, 45 NECODE ID's, 45 Radio Voice Channels, 8 DSC scan channels, NMEA 0183 interface, remote alarm output