The RS150 GPS is a high performance, 72 channel, remotely mounted GPS sensor for Raymarine navigation systems. The RS150 offers fast 10 Hz position updates and enhanced accuracy. The RS150 is also a GNSS receiver and supports the GLONASS global navigation satellite system. Raymarine RS150 RayStar 150 GPS antenna, SeaTalkNG. The Raymarine RayStar 150 GPS antenna uses only the SeaTalkNG network. A 6 m cable is included, if this is not sufficient, the cable can be extended with the Raymarine Inline Backbone Spur terminator. Remember that this GPS can not be connected to the old SeaTalk. If that should happen, then the interface from SeaTalkNG to SeaTalk is necessary. You must then create and feed the smallest possible network.