GMDSS 9 GHz Radar Transponder.
For use in lifeboats and life rafts. Easy mounting on vessel bulkheads. Tron SART (search and rescue radar transponder) is designed for use in search and rescue operations. 
Tron SART gives the exact location of the distressed indicated on the radar X-band display of any nearby ship, SAR vessels and aircrafts. 

Complies with IMO/SOLAS/GMDSS regulations.