VHF radio communication is one of the main communication methods of offshore fishing, and VHF radio is the major communication equipment used in offshore fishery communications.

This subject comes from a military development project - Digital VHF FH Radio Set, and it is mainly used for the data communication between navy vessels.

Simultaneity, an equipment of the expand application of VHF station has been gived to enhance the quality and capacity of the radio communication net of system.