The Simrad GS70 is an NMEA 2000 smart antenna that integrates with the GN70 navigation system.

  • Easy to install with NMEA 2000 interface
  • Receives DGPS corrections from SBAS (WAAS, EGNOS, MSAS) satellites
  • Receives RTCM corrections from NMEA 2000 Bus with MX610 junction box
  • Desinged with 32 channels GNSS receiver
  • Position update rate at 1, 5, or 10 Hz
  • GPS accuracy (2DRMS) of 5m and DGPS accuracy (SBAS) of 2m.


The GS70 GPS antenna is an IMO compliant NMEA 2000 Smart Antenna that integrates with the GN70. The GN70/GS70 global navigation system is a cost effective navigation system for today's professional market.

The GS70 can receive DGPS corrections from SBAS satellites such as WAAS. The smart antenna has 32 channels and can output position at 1Hz, 5Hz, or 10Hz. The antenna has GPS accuracy (2DRMS) of 5m, and DGPS (SBAS) accuracy of 2m. The antenna is incredibly easy to install as it has a standard NMEA 2000 interface.



Operating Temperature -25°C to +60°C
Operating Temperature Stored -40°C to +85°C
Waterproof Standard/rating IPx6,7
Product Width 90mm
Product Height 38mm


Humidity Range [rh] 40°C, 93%RH, operating


Power Consumption  
NMEA 2000 Load Equivalency Number 3 network load (101mA)
Reverse Polarity Protection yes


Data I/O Protocol NMEA 2000

GPS Navigation

DGPS Accuracy 2m
GPS Position Accuracy [m] 5
GPS Receiver Channels 32
Horizontal Accuracy 5m
Satellite Reacquisition 5 sec