Waterproof MOB Switch Panel for GPS160 The GPS160, a high performance positioning sensor using GPS, Galileo and Glonass satellite systems for exceptional positioning accuracies and redundancies. Features: GPS160 accepts an external switch input to activate internal MOB function Position is automatically saved and GPS160 calculates and outputs a synthetic AIS MOB NMEA sentence allowing compatible plotters to mark the MOB position automatically just as if an AIS SART had been activated ($AIVDM with Message 1 and 14) Easily installed with a simple push button switch or for connection to outboard kill switch and tether Can also function with 3rd party wireless MOB systems with any switched alarm output