| Model | GPS V90 |
| Measurements |
| 220 channels |
| GPS | Simultaneous L1C/A, L2C, L2E, L5 |
| GLONASS | Simultaneous L1C/A, L1P, L2C/A (GLONASS M only), L2P |
| SBAS | Simultaneous L1 C/A, L5 |
| Galileo | Simultaneous L1 BOC, E5A, E5B, E5AltBOC |
| BDS | B1, B2 |
| QZSS | L1 C/A, L1 SAIF, L2C, L5 |
| POSITIONING PERFORMANCE |
| Static and Fast Static GNSS surveying |
| Horizontal | 2.5mm+0.5ppm RMS |
| Vertical | 5mm+0.5ppm RMS |
| Post Processing Kinematic (PPK / Stop & Go) GNSS Surveying |
| Horizontal | 1cm+1ppm RMS |
| Vertical | 2.5cm+1ppm RMS |
| Initialization time | typically 10 minutes for base while 5 minutes for rover |
| Initialization reliability | typically > 99.9% |
| Real Time Kinematic(RTK) surveying |
| Single Baseline |
| Horizontal | 8mm+1ppm RMS |
| Vertical | 15mm+1ppm RMS |
| Network RTK |
| Horizontal | 8mm+0.5ppm RMS |
| Vertical | 15mm+0.5ppm RMS |
| Initialization time | Typically < 8seconds |
| Initialization reliability | Typically > 99.9% |
| Code Differential GNSS positioning |
| Horizontal | 25cm+1ppm RMS |
| Vertical | 50cm+1ppm RMS |
| SBAS | 0.50m Horizontal, 0.85m Vertical |
| HARDWARE |
| Physical |
| Dimensions (W x H) | 153mm x 83mm (6.02inch x 3.27inch) |
| Weight | 950g (2.09lb) without internal battery |
| Operating temperature | below 40℃ to above 65℃ (-49℉ to +149℉) |
| Storage temperature | below 40℃ to above 75℃ (-67℉ to +185℉) |
| Humidity | 100%, considering |
| Water/dustproof | IP67 dustproof, protected from temporary immersion to depth of 1m (3.28ft). |
| Shock and Vibration | Designed to survive a 3m(9.84ft) natural fall onto concrete |
| Electrical |
| Power 6V to 28V DC external power input |
| Power consumption ≤3.5W |
| Automatic Switching between internal power and external power |
| Rechargeable, removable 7.4V, 5000mAh Lithium-Ion battery in internal battery compartment |
| Internal battery life |
| Static 12hours |
| RTK Rover (UHF/GPRS/3G)8- 10hours |
| RTK Base 8 - 10 hours |
| RTK base 8 hours |
| I/O interface |
| 1 x Bluetooth, NFC |
| 1 x standard USB2.0 port |
| 1 x TNC antenna connector |
| 1 x RS232 serial port |
| 1 x DC power input (5-pin) |
| |
| Tilt Survey System |
| Electronic Bubble |
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| COMMUNICATION |
| Network Communication |
| Fully integrated, fully sealed internal WCDMA, compatible with GPRS, GSM |
| Wifi frequency is 2.4G, supports 802.11b/g/n protocol |
| Network RTK (via CORS) range20-50km |
| HI-TARGET internal UHF radio (standard) |
| Frequency | 450~470MHz with 116 channels |
| Transmitting Power | 0.5W, 1W, 2W adjustable |
| Transmitting Speed | 9.6Kbps, 19.2Kbps |
| Working Range | 3~5Km typical, 8~10km optimal |
| Pacific Crest XDL micro Internal UHF Radio |
| Frequency | 403~473 MHz |
| Transmitting Power | 0.5W, 2W adjustable |
| Transmitting Speed | Up to 19.2Kbps |
| Working Range | 3~5km typical, 8~10km optimal |
| Support most of radio communication protocol |
| HI-TARGET External UHF radio (standard) |
| Frequency | 460 MHz with 116 channels |
| Transmitting Power | 5W, 10W, 20W, 30W adjustable |
| Transmitting Speed | Up to 19.2Kbps |
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