The Furuno GP330B/0183 GPS Receiver has 14 total channels for un-paralleled accuracy. Twelve dedicated GPS channels and two dedicated WAAS channels. For easy installation you have the option of plugging the GP330B into your compatible furuno device via 7-pin port or hard wiring through NMEA 0183 to compatible displays.
If you are going to flush mount the GP330B, please request the flush mount gasket, part# 001-037-630 in the special instructions after checkout.
For information regarding Furuno products Please call us at 1-800-477-2611.