The surface radio-
In this case a radio modem link may be set up between a surface buoy (itself connect to the CM through an underwater cable) and the Surface Interface previously described.
The distance between the surface buoy and the Surface interface antenna may be as far as 3 km.
An internal battery pack allows to work with a Base unit for a full week (10 hours per day, sleeping mode activated during the night).
The Surface Buoy can be linked to the CM unit using the basic 10 metres underwater cable provided by PLSM.
PLSM can also provide Male-
Configuration when using the radio-