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The M300 Pro is designed as a multi-purpose GNSS receiver for a wide range of applications. With its powerful integration ability, the M300 Pro serves as a key part of positioning infrastructure, active geodetic network, deformation monitoring system, machine guidance, harbour construction, land surveying, marine surveying and in any project where accuracy and reliability matter the most.
- 256 channels and unmatched GPS / BeiDou / GLONASS multi-constellation tracking performance while already designed to track GALILEO
- Compact housing with a variety of interfaces for different external devices access
- Powerful remote control capacity for access, configuration, programming,data download, reboot/restart, firmware update, code registration and much more.
- Large capacity internal memory and expendable memory card for long term big data storage
- Integrated battery serves as either the primary power source or the stand-by Uninterrupted Power Supply (UPS) backup
Powerful built-in web user interfaces provide full information such as receiver status, configuration, firmware update and data access control
M300 Pro Specifications
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Signal Tracking |
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Channels |
256 Channels with simultaneously tracked |
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GPS |
L1 C/A code, L1/L2 P code L2C, L5 |
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BeiDou |
B1, B2, B3 |
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GLONASS |
L1,L2 |
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Galileo |
Reserved |
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QZSS |
Reserved |
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SBAS |
WAAS, EGNOS, MSAS,GAGAN |
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Advanced multipath mitigation technology |
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Low noise carrier phase measurements with precision in a 1 Hz bandwidth |
<1 mm |
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High precision multiple correlators for GNSS pseudo-range measurements |
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Signal Noise Ratios reported in dB-Hz |
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Positioning Specifications |
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Post Processing Static
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Horizontal: 2 mm + 1 ppm RMS Vertical: 4 mm + 1 ppm RMS |
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Single Baseline RTK(<30Km)
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Horizontal: 8 mm + 1 ppm RMS Vertical: 15 mm + 1 ppm RMS |
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Network RTK
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Horizontal: 8 mm + 1 ppm RMS Vertical: 15 mm + 1 ppm RMS |
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E- RTK
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Horizontal: 0.2 mm + 1 ppm RMS Vertical: 0.4 mm + 1 ppm RMS |
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DGPS |
0.5 m 3D RMS |
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SBAS |
1 m 3D RMS |
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Standalone |
1.5 m 3D RMS |
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Time Precision |
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GPS+Glonass+BeiDou |
10ns |
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Communications |
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Communication Ports
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3 Lemo Ports 1 Lemo port(2 pin): power supply and battery charging 2 Lemo ports(7 pin): USB UART port, system debugging and static data download; RS485 Protocol configuring and connecting with external device( meteorological sensor/barograph/inclinometer) |
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1 DB9 male port |
Standard RS232 protocol |
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1 Standard USB port |
Connect with external storage card |
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1 RJ45 LAN Ethernet Port(10/100M Bit) |
Supports protocols HTTP, HTTPS,TCP/IP,UDP, FTP, NTRIP |
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3 SMA male connectors
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1 PPS output Event input Reserve for WLAN and Bluetooth |
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2 TNC connectors |
GNSS Antenna connector Frequency-marker oscillator input connector |
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Data Format |
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Correction data I/O |
RTCM 2.X, 3.X,RTCM3.2 MSM4, CMR (GPS only), CMR+(GPS only) |
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Position data output |
ASCII : NMEA-0183 GSV, RMC, HDT, VHD, GGA, GSA, ZDA, VTG, GST, PJK, PTNL Extended NMEA-0183 BDGGA, GPNTR, GPCDT, GPHPR ComNav Binary (compatible with major brands) |
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Observations |
ComNav binary, BINEX, RTCM3.X, compatible with major CORS software(VRS, FKP and iMax) |
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Data logging |
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Loop recording data function supports long time record |
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Data logging frequency, maximum 50 Hz |
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Storage capacity |
8 GB internal memory 1 TB External memory maximum |
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File format |
Rinex 3.X or 2.X or ComNav binary format |
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File log session |
Days or hours can be set by user |
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Data transfer |
FTP access download directly |
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Physical |
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Size(L×W×H) |
202mm×163mm×75mm |
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Weight |
2.4 kg |
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Case |
Rugged and light high performance metal |
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Environmental |
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Working temperature |
-40℃ to +80℃ |
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Storage temperature |
-45℃ to +85℃ |
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Humidity |
100% no condensation |
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Waterproof and dust proof |
IP67, survives the temporary Immersion to a depth of 1m |
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Shock |
Rugged aluminium case plus rubber ring seal, designed to survive a 1 meter drop on to concrete |
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Electrical |
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Power consumption |
3.5W |
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External power input |
9.5-15 VDC, with over-voltage protection |
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Integrated 8800mAh Li-ion battery |
16 hours continuously working |
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Antenna |
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AT300 GNSS Geodetic Antenna |
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AT500 GNSS Geodetic Antenna |
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User Interface |
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Button and front LCD panel
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5 function buttons on the left and 3buttons on the right LCD panel shows the status and setting |
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ComNav M300 Pro Web Server |
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CRU software |
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