- The Compass 3 integrates with precision GNSS module, high-performance antenna, 4G network module, Wi-Fi and Bluetooth. Support GPS, GLONASS, GALILEO, BD. Light and rugged, compatible with a variety of equipment. Centimeter positioning accuracy, to fulfill the purpose of field user.
| System | Operating system | Linux |
| CPU | A5 | |
| Memory | 512MB RAM, 8GB ROM | |
| Storage | – | |
| GNSS performance | Channels | 184 |
| GPS | L1, L2 | |
| GLONASS | L1, L2 | |
| BDS | B1, B2 | |
| GALILEO | E1, E5 | |
| SBAS | – | |
| QZSS | L1, L2 | |
| Data output | NMEA-0183, TSIP | |
| I/O protocol | RTCM3/ RTCA/ CMR | |
| Update rate | 1Hz | |
| Reacquisition | – | |
| Warm start | 2s | |
| Cold start | 24s | |
| Accuracy | Single positioning | 2.5m |
| SBAS positioning | – | |
| DGNSS | – | |
| RTK(baseline<30km) | 2cm + 1ppm (CEP) | |
| Multimedia | Camera | – |
| Display | – | |
| Sensor | – | |
| Other function | – | |
| Extended function(optional) | – | |
| Communication | network | 4G (Nano-SIM card) |
| Bluetooth | Bluetooth v2.1 + EDR/ v4.1 | |
| WIFI | 802.11b/g | |
| USB | Type-C, support OTG | |
| Electrical | Battery | 3.8V 4800mAh |
| Battery life | – | |
| Battery charging | – | |
| Environment | Waterproof/Dustproof | IP67 |
| Shockproof | 1.5m | |
| Humidity | – | |
| Operating temperature | -20℃ ~ 60℃ | |
| Storage temperature | -30℃ ~ 70℃ | |
| Physical | Dimension | 154mm(L) × 68mm(W) × 32mm(H) |
| Weight | 273g |
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