The Sokkia GRX3 GNSS Receiver RTK Base & Rover 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 GRX3 key feature
Sokkia Tilt Technology
Features a 9-axis inertial measurement unit (IMU) and an ultra-compact eCompass, offering compensation for mis-leveling up to 15 degrees, enhancing accuracy and efficiency in fieldwork.
L Band Ready
Equipped to leverage L Band signals for even greater accuracy and reliability.
Universal Tracking Channels
Boasts 226 universal tracking channels, supporting a wide array of systems including Sokkia GPS, GLONASS, Galileo, BeiDou, IRNSS, QZSS, and SBAS.
Integrated Communication Systems
Comes with integrated 400 MHz UHF and SiteCom™ radios, facilitating seamless data transmission and connectivity on-site.
Fusion Positioning™ Technology
Advanced positioning technology that synergizes various signal inputs for optimal accuracy and reliability.
Configuration Options for Every Need
Available in five distinct kits to suit various surveying needs and preferences.
Sokkia GRX3 Specifications
Number of Universal Tracking Channels
- 226
UTC Technology Tracked Signals
- GPS: 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 Static Accuracy
- Horizontal (H): 3 mm + 0.4 ppm
- Vertical (V): 5 mm + 0.5 ppm
Memory
- Internal Non-removable 8 GB
Radio
- Built-in 425-470 MHz UHF radio
Dust/Water Protection
- IP67
Dimensions
- 150 x 100 x 150 mm (w x h x d)
Operating Time
- RX mode: 10 hours
- TX mode 1W: 6 hours
Sokkia GRX3 included
| Package | What’s Included |
| Base Kit |
|
| Number of Universal Tracking Channels | 226 UTC technology |
| Tracked Signals | GPS 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 Static | H: 3 mm + 0.4 ppm V: 5 mm + 0.5 ppm* |
| RTK/RTK-GLONASS/RTK-Galileo | H: 8 mm + 1 ppm V: 15 mm + 1 ppm |
| Post Processing | H: 3 mm + 0.4 ppm V: 5 mm + 0.5 ppm* |
| Integration System | GPS L1C, L2C, L5 GLONASS L1C, L2C Galileo E1, E5a QZSS L1C, L5 |
| Radio | Integrated UHF, 400-470 MHz, and SiteCom™ radio |
| Communication | Bluetooth 4.0, USB 2.0, 4G/LTE, 3G, 2G, Ethernet, GSM/GPRS |
| Power Supply | Rechargeable lithium-ion battery pack, 7.4 V / 15.2 Ah |
