Raymarine RAYSTAR 125, GPS receiver, SEA TALK version, in good condition. The RS125 is compatable with all of the Raytheon or Raymarine, L series GPS/fishfinders and the RL, SL series of Radars and the ST60 multi units. The RS125 is also compatable with the Raymarine C and E Classic Series MFD, Wide Series and A Series MFD.