The Sokkia GRX3 is smaller, lighter, and packed with the most advanced GNSS technology in a design built to withstand the harshest field environments. All signals, all satellites and all constellations — in a compact, rugged design

The Sokkia GRX3 is smaller, lighter, and packed with the most advanced GNSS technology in a design built to withstand the harshest field environments.  All signals, all satellites and all constellations —  in a compact, rugged design, with an integrated IMU and eCompass.

Sokkia Tilt Technology :Incorporates a revolutionary 9-axis inertial measurement unit (IMU) and ultra-compact eCompass, which compensate for mis-leveling up to 15 degrees.

  • Sokkia Tilt Technology 
  • L Band Ready Technology
  • 226 Universal Tracking Channels (GPS, GLONASS, Galileo, BeiDou, IRNSS, QZSS, SBAS)
  • Bluetooth and GSM RTK (Magnet Relay)
  • Fusion Positioning™ technology
Number of Universal Tracking Channels226 UTC technology
Tracked SignalsGPS L1 C/A, L1C, L2P(Y), L2C, L5
GLONASS L1 C/A, L1P, L2 C/A, L2P, L3C
BeiDou B1, B2
Galileo E1,E5a, E5b, Alt-BOC
SBAS L1 C/A, L5 WAAS/MSAS/EGNOS/GAGAN
QZSS L1 C/A, L1C, L1-SAIF, L2C, L5
Static/Fast StaticH: 3 mm + 0.4 ppm
V: 5 mm + 0.5 ppm*
MemoryInternal Non-removable 8 GB
RTK OptionsBluetooth and GSM RTK (Magnet Relay)
Dust/Water ProtectionIP67
Dimensions150 x 100 x 150 mm (w x h x d)
Operating TimeApprox 10 to 12 hrs continuous Tracking