T300 GNSS Receiver
GNSS Receivers
Overview
Since its debut in 2013, the T300 has not only maintained its iconic design, but has also consistently evolved to stay at the forefront of GNSS technology.

Specifications
Performance
| Channel | 965 |
| Satellites tracking | GPS: L1C/A, L2C, L2P, L5; BeiDou: B1I, B2I, B3I, B1C, B2a, B2b; GLONASS: L1, L2, L3; Galileo: E1, E5a, E5b, E6, AltBOC; QZSS: L1C/A, L1C, L2C, L5; Navic: L5; SBAS: WAAS, EGNOS, MSAS, GAGAN, SDCM, BDSBAS |
| Signal Re-acquisition | <1.5 s |
| Cold Start | <50 s |
| Warm start | <30 s |
| Hot start | <15 s |
| RTK Initialization Time | <10s |
| Initialization reliability | >99.9% |
| Static and Fast Static | Horizontal 2.5 mm + 0.5 ppm RMS; Vertical 5 mm + 0.5 ppm RMS |
| Real Time Kinematic | Horizontal 8mm + 1ppm RMS; Vertical 15mm + 1ppm RMS |
| Long Observation Static | 3 mm + 0.1 ppm Horizontal; 3.5 mm + 0.4 ppm Vertical |
| DGPS | <0.4m RMS |
| SBAS | 1 m 3D RMS |
| Standalone | 1.5m 3D RMS |
Physical
| Size (L × W × H) | 15.8 cm × 7.5 cm |
| Weight | 0.95 kg with two batteries |
| Working Temperature | -40 °C to + 65 °C (-40 °F to 149 °F) |
| Storage Temperature | -40 °C to + 85 °C (-40 °F to 185 °F) |
| Humidity | 100% non-condensing |
| Waterproof & Dustproof | IP67, protected from temporary immersion to depth of 1 m |
| Shock | Survive a 2m drop onto the concrete |
| Input Voltage | 7-28 VDC |
| Power Consumption | 1.92 W |
| Li-ion battery capacity | 2 × 2000 mAh, up to 10 hours typically |
| Memory | 8 GB |
Communications
| Serial port (7 pin Lemo) | 1 Baud rates up to 921,600 bps |
| UHF modem | Tx/Rx with full frequency range from 410-470 MHz; Transmit power: 0.5-2 W adjustable; Range: 1-5 km |
| WIFI | 802.11b/g/n |
| 4G modem | 4G Bands: 800/900/1800/2100/2600 MHz; 3G Bands: 900/2100 MHz; 2G Bands: 900/1800 MHz; Support GSM, Point to Point/Points and NTRIP |
| Position data output rates | 1 Hz, 2 Hz, 5 Hz, 10 Hz, 20 Hz |
| LEDs | 5 (indicating Power, Satellite Tracking, GPRS Status and Differential Data) |
| Bluetooth | V 4.0 protocol, compatible with Windows OS and Android OS |
| Correction data I/O | RTCM SC104 Version 2.x, 3.x formats, CMR(GPS only), CMR+(GPS only) |
| Position data output | ASCII: NMEA-0183 GSV, RMC, HDT, VHD, GGA, GSA, ZDA, VTG, GST; PTNL, PJK; PTNL, AVR; PTNL, GGK; ComNav Binary update to 20 Hz |