RS-509MG Built-in GPS Marine Radio VHF and DSC.

Global Maritime Distress and Safety System (GMDSS). This is an international communication network that uses satellite and terrestrial radio systems to automate emergency alerts and safety broadcasts for ships at sea.

High Power output 25W, Low Power 1W.

Channel 80 (UK Marina Channel)  Ch 37(M1) 157.850MHz, Ch M2 161.425MHz.

GPS antenna for Lat/Long Position.

IPX7 Waterproof .

12 Volt .

Mounting bracket.

PL259 type connector for VHF aerial.

3 main channels - International for the UK, USA and Canada.

Emergency button to channel 16,

To use DSC you will need to have a radio licence from OFCOM, they will issue you with a unique MMSI number.

An MMSI number is automatically issued to you when you apply for a license, apply free online at OFCOM.