TR12B is a professional GNSS base receiver with the signal coverage, long radio range, and data-link flexibility to keep surveying projects productive in any environment. Operating as a base station broadcasting corrections or as a rover collecting precise data, TR12B delivers the connectivity, precision, and measurement versatility to keep your projects moving forward.
5W / 410–470 MHz Up to 15km range
1040 channels All constellations
13600 mAh ≥ 15h operation
IP67 / 2 m drop -40℃ to +75℃
A powerful 410–470 MHz UHF radio with selectable output power delivers stable communication up to 15 km. Featuring internal 4G module, TR12B enables both radio-based and network-based operation.
Powered by 7.2V 13600 mAh internal Li-ion battery, TR12B supports uninterrupted operation for the all-day working without the need of external power supply, while full charging completed in just 4 hours.
IP67 dust/water protection, 2 m drop resistance, TR12B operates reliably from -40°C to +75°C, with 100% non-condensing humidity resistance. Matches top-tier ruggedness for continuous on-site operation.
The integrated 0.96-inch OLED display provides clear, real-time visibility of essential operating information, including satellite tracking status, coordinates, battery level, and communication status.
Specifications
| Satellites tracking | Channels: 1040 |
| GPS: L1C/A, L2C, L5 | |
| BDS: B1I, B1C, B2I, B2a, B2b, B3I | |
| GLONASS: G1, G2 | |
| Galileo: E1, E5a, E5b, E6 | |
| QZSS: L1 C/A, L2C, L5, L6 | |
| NavIC: L5 | |
| SBAS: L-band | |
| PPP: BDS B2b-PPP, Galileo E6B-HAS |
| Real time kinematic (RTK) | Horizontal: 8 mm + 1 ppm RMS |
| Vertical: 15 mm + 1 ppm RMS | |
| Initialization time: <10 s | |
| Initialization reliability: > 99.9% | |
| RTKHOLD technology | Up to 10 min bridging of RTK outages |
| PPK | Horizontal: 3 mm + 1 ppm RMS |
| Vertical: 5 mm + 1 ppm RMS | |
| Static | Horizontal: 2.5 mm + 0.5 ppm RMS |
| Vertical: 5 mm + 0.5 ppm RMS | |
| PPP | H: 10 cm | V: 20 cm |
| Positioning rate | Up to 20Hz |
| Time to first fix | Cold start: <30 s; Hot start: < 10 s; Signal re-acquisition: < 1 s |
| Tilt survey performance | Additional horizontal pole-tilt uncertainty: 8 mm + 0.3 mm/° tilt |
| NFC | Receive only |
| Wi-Fi | Wi-Fi 5G 802.11ac /a/b/g/n |
| Bluetooth | Bluetooth V5.0/V4.0 /4.2/EDR |
| Ports | 1 × USB Type-C port, 1 × SMA antenna port |
| LTE | FDD: B1/B2/B3/B4/B5/B7/B8/B12/B13/B18/B19/B20/B25/B26/B28 |
| TDD: B38/39/40/41 | |
| WCDMA: B1/B2/B4/B5/B6/B8/B19 GSM: 850/900/1800/1900MHz |
|
| UHF radio | Standard Internal Tx/Rx: 410 - 470 MHz |
| Protocol: TRIMTALK, TRANSEOT, TRIMMARK3 | |
| Power：1W，2W，5W | |
| Link rate: 9,600 bps to 19,200 bps | |
| Range: Typical 8km, up to 15 km with optimal conditions | |
| Data formats | RTCM 3.x |
| RINEX 2.11, 3.02, 3.04 | |
| NMEA 0183 output | |
| Data storage | 8 GB internal memory |
| Dimensions (W x H) | 144 mm × 81 mm |
| Weight | 1500 g |
| Control panel | 2 LED lights, 2 physical buttons, 0.96" OLED Display |
| Operating temperature | -40℃ to +75℃ |
| Storage temperature | -45℃ to +85℃ |
| Humidity | 100% non-condensation |
| Water/dust proof | IP67 |
| Shock | Survive 2 m pole-drop onto the concrete |
| Tilt sensor | Calibration-free IMU for pole-tilt compensation |
| Tilt angle | 0-60° |
| Internal battery | Built-in li-ion battery, 7.2V, 13600mAh, full charge in 4 hours |
| Operating time | Up to 15 h |
