I am not familiar with this but SatBBC have it for sale. If interested contact sales@satbbc.com
It is wireless antenna and it is complete, Antenna, Dome, ACU.
This pdf document describes its use in the North Sea:
BATS DVM-50 Solution - Barent Sea Deployment where is is reported LINK DISTANCE 16.06 km (9.97 mi.) and FREQUENCY 5.8 GHz.
BATS DVM50 Datasheet
More info, full details and price etc, please email sales@satbbc.com
Best regards, Eric.