| i90 specification |
| Channels |
624Channels,GPS+BDS+ GLONASS + GALILEO +QZSS, support Beidou 3 generation, support five star 16 frequency |
| GPS |
L1C/A, L2C, L2E, L5 |
| GLONASS |
L1C/A,L1P, L2C/A, L2P, L3 |
| Galileo |
E1,E5A,E5B |
| BeiDou |
B1,B2,B3 |
| SBAS |
L1C/A,L5 |
| (QZSS, WAAS, EGNOS, GAGAN) |
| Global correction service: |
RTP(optional) 5 Min |
| GNSS Accuracies (1) |
| SBAS differential |
0.5 m RMS |
| positioning accuracy |
| Highprecision static |
| Horizontal |
2.5 mm + 0.1 ppm RMS |
| Vertical |
3.5 mm + 0.4 ppm RMS |
| Baseline Length |
≤ 300 km |
| PostProcessed Kinematic (PPK) |
| Horizontal |
8 mm + 1 ppm RMS |
| Vertical |
15 mm + 1 ppm RMS |
| RTK |
| Horizontal |
8 mm + 1 ppm RMS |
| Vertical |
15 mm + 1 ppm RMS |
| Initialization time |
< 5 s |
| Initialization reliability |
> 99.9% |
| Network RTK |
| Horizontal |
8 mm + 0.5 ppm RMS |
| Vertical |
15 mm + 0.5 ppm RMS |
| Initialization time |
< 10 s |
| Initialization reliability |
> 99.9% |
| GNSS+Inertial navigation |
| Tilt Angle |
0-60 |
| Tilt precision |
10mm+0.7mm/ tilt(30' precision<2.5cm) |
| Hardware |
| Dimensions (H×W) |
190mm*98.5mm |
| Weight |
1.25 kg ( |
| Environment |
| Operating |
'-45 °C to +75 °C (40°F to 167°F) |
| Storage |
'-55 °C to +85°C (67°F to 185°F) |
| Humidity |
100% condensation |
| Dust and Waterproof |
IP68, protected from temporary |
| immersion to depth of 1 m (unit floats) |
| Shock and vibration |
3m (6.56 ft) pole drop onto concrete, |
| MILSTD810G |
| LCD |
128x128dpi sunlight readable with function/accept 1.46 OLED |
| buttons |
| Certifications and Calibrations |
| FCC Part 15 (class B Device), FCC Part 22, 24, 90; CE |
| Mark; CTick; Bluetooth EPL, IGS & NGS Antenna |
| Calibration, MILSTD810G. |
| Communications and Data Recording |
| Serial |
2 x 7pin LEMO port (external power, USB data |
| download, USB update, RS232) |
| Bluetooth® |
BT 4.0 |
| compatible with Android, Windows Mobile and Windows |
| WiFi |
802.11 b/g/n, access point mode |
| NFC |
NFC flash even |
| UHF Radios (2) |
Frequency: 450-470MHz |
| Channels:120 adjustable |
| Transmitting power:2W |
| agreement:CHC/TT450/Southradio/Transparent |
| Working Range:3-5km typical, 8-10km optimal |
| External UHF Radio(Standard) |
Frequency: 450-470MHz |
| Channels:120 adjustable |
| power:30W adjustable |
| agreement:CHC/TT450/Southradio/Transparent |
| Working Range:8~10km typical,15~20km optimal |
| Electrical |
| Power consumption |
<3.2 W |
| Liion battery capacity |
2 × 3400 mAh, 7.4 V |
| Operating time |
RTK UHF Base: 8 h |
| RTK Rover: 10 h |
| Static: 10 h |
| External power |
9 to 28V DC |