Product Description marine ship GPS receiver antenna module NMEA 0183 baud rate 4800 DIY connector, voltage 12V RS232 protocol . Brand Name:Â TOPGNSSModel Name:Â GNSS2000RGPS type:Â Receiver & AntennaOperating voltage:Â 12VOutput protocol mode:Â RS232GNSSchips:Â 7020-KTWaterproof grade:Â IPX7Working mode:Â GPS mode |