Advanced Unistrong G990II E800 1408 Channels 7W Radio 10km Surveying Range Surpad4.2 Software Gnss Unistrong G990II
G990II High-performance RTK ReceiverThe G990II is a high-performance GNSS receiver that provides an easy-to-use solution for survey professionals who need to collect highly accurate data in a wide range of applications. The durable IP68 design makes it possible to work in extreme environments. The colorful touchscreen is convenient for quick configurations.
Features:
Long working distance,7W internal radio
Colorful and touchable display
32G internal memory
IMU,tilt survey 60 degree
Long working time,13600mAh Battery
RTK aid function,uninterrupted work



Specification :
GNSS | Channels | 1408 |
Signals | BDS: B1, B2, B3 | |
| GPS: L1CA, L1P. L1C, L2P, L2C, L5 | ||
| GLOASS: G1,G2, P1, P2 | ||
| GALILEO: E1BC, E5a. E5b | ||
| QZSS: L1CA. L2C. L5, L1C | ||
| SBAS: L1CA, L5; | ||
| L-Band | ||
Accuracy | Static | H: 2.5 mm±1ppm , V: 5 mm±1ppm |
| RTK | H: 8 mm±1ppm, V:15 mm±1ppm | |
| DGNSS | <0.5m | |
| ATLAS | 8cm | |
System | Initialization Time | 8s |
| Initialization Reliable | 99.90% | |
| Operating System | Linux | |
| Merrory | 32GB | |
| Wifi | 802.11 b/g/n | |
| Bluetooth | V2.1+EDR/V4.1Dual,Class2 | |
| E-Bubble | support | |
| Tilt Survey | IMU Tilt Survey 60°,Fusion Positioning/400Hz refresh rate | |
Power | Battery Capacity | 7. 2v, 13600mAh Built-in Battery |
| Life Timer | Static: 15h Rover: 12h | |
| Extemal Power Source | 9-18V DC, Overvoltage Protection | |
Environmental | Operating Temperature | -30ºC+ 65ºC |
| Storage Temperature | -40ºC . + 80ºC | |
| IP Dearee | IP68 | |
Mechanical | Dimensions | Φ156mm×H76mm |
| weight | 1.5kg | |
| Power / Data Connector | 1*TNC radio antenna ,1*5 PIN( power + RS232 ) ,1*Type-c, SIM card slot | |
| Keypad | 1 power button | |
| Status Indications | 4LED indicator |








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