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Audited Supplier With decades of experience in the surveying GNSS receiver, the T300 is a product which combines lots of market proved advantages together. It can track all the working GNSS constellations. By using ComNav's unique QUANTM algorithm technology, it can function in RTK mode with all the GNSS constellations or by using any single GNSS constellation such as GLONASS or BeiDou. The strong anti-interference ability of the receiver makes it possible to work in any environment.
· Ultra Small
· Super light
· Many user-friendly conveniences built in
· GPS L1/L2/L5, BeiDou B1/B2/B3, GLONASS L1/L2, Galileo E1, E5a, E5b
· Low power consumption
· Support long base line E-RTK
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Signal Tracking |
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Channels |
256 channels with simultaneously tracked satellite signals |
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GPS |
L1 C/A, L1C, L2 P, L5 |
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BeiDou |
B1, B2, B3 |
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GLONASS |
L1, L2 |
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Galileo |
E1, E5a, E5b |
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SBAS |
WAAS, EGNOS, MSAS,GAGAN |
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Performance Specifications |
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Cold start |
<50s |
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Warm start |
<30s |
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Hot start |
<15s |
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Initialization time |
10s |
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Signal re-acquisition |
<2s |
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Initialization reliability |
Typically>99.9% |
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Positioning Specifications |
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Static and Fast Static
Long Observations Static
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Horizontal: 2.5 mm + 0.5 ppm RMS Vertical: 5 mm + 0.5 ppm RMS Horizontal: 3mm+0.1 ppm RMS Vertical: 3.5mm+0.4 ppm RMS |
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Real Time Kinematic
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Horizontal: 8 mm + 1 ppm RMS Vertical: 15 mm + 1 ppm RMS |
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E-RTK (<100km)
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Horizontal: 0.2 m + 1 ppm RMS Vertical: 0.4 m + 1 ppm RMS |
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Code differential GNSS positioning
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Horizontal: 0.25 m+ 1 ppm RMS Vertical: 0.5 m + 1 ppm RMS |
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SBAS |
Typically < 1 m 3D RMS |
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Standalone |
<1.5 m 3D RMS |
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Communications |
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Communication port
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1 x 7 pin lemo port (Combined Serial and USB function) Baud rates up to 921600bps for serial |
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Radio modem
4G modem |
Tx/Rx with full frequency range from 410-470MHz Transmit power: 0.5-2W adjustable Range: 1-5km
- 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 |
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Positioning data outputs |
1HZ, 2HZ, 5HZ, 10HZ, 20HZ |
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Indicating light |
5 LEDs (indicating Power, Satellite Tracking, Differential data, GPRS and Data Recording) |
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Bluetooth® |
V 4.X protocol, work compatible with Windows 7, Windows mobile and Android |
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Data Format |
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Data inputs/outputs
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Correction data I/O: RTCM2.x, 3.x,CMR(GPS only), CMR+(GPS only) |
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Position data outputs
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ASCII: NMEA-0183 GSV, RMC, HDT, VHD, GGA, GSA, ZDA, VTG, GST, PJK, PTNL ComNav Binary update to 20Hz |
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Physical |
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Size(W×H) |
15.8cm×7.5cm |
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Weight |
0.95kg(include battery) |
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Environmental |
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Operating temperature |
-40 °C to +65 °C (-40°F to +149°F) |
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Storage temperature |
-40 °C to +85°C (-40°F to +185°F) |
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Humidity |
100% condensation |
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Waterproof and dust proof |
IP67 protected from temporary immersion to depth of 1 meter, floats |
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Shock |
Survives a 2-meter drop on to concrete |
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Electrical |
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Input Voltage |
5-27 VDC |
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Power consumption |
3.1 W |
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Li-ion battery capacity |
2x2000 mAh, Up to 10 hours typically |
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Memory |
8 GB internal memory (16 GB and 32 GB is optional) |
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Software |
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CGSurvey
Survey Master |
ComNav's field data collection software CGSurvey ComNav's field data collection software Survey Master |
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SurvCE (optional) |
Carlson's SurvCE field data collection software |
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FieldGenius (optional) |
MicroSurvey's FieldGenius field data collection software |
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Note: ComNav will remove the radio modem according to different country's regulations. |
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Shanghai Galaxy International Trade CO.,Ltd
ADD: Rm.306-308,No.5 Building,Jinglian Road 439#,Minhang District,Shanghai,China
FAX: +86-21-51685021
TELL: +86-21-64396577
Suppliers with verified business licenses
Audited Supplier 
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