M300 Pro GNSS Receiver
GNSS Receivers
Overview
With SinoGNSS QUANTUM™ Technology and full-constellation tracking capability, the M300 Pro GNSS reference station is one of the most robust and future-proof GNSS solution for CORS.

Specifications
Performance
| Channel | 1590 |
| Satellites tracking | GPS: L1C/A, L1C, L2P, L2C, L5; BDS: B1l, B2l, B3l, B1C, B2a, B2b; GLONASS: G1, G2, G3; Galileo: E1, E5a, E5b, E6c, E5 AItBOC; QZSS: L1C/A, L2C, L5, L1C; IRNSS: L5; SBAS: L1C/A |
| Low noise carrier phase measurements | <1 mm precision in a 1 Hz bandwidth |
| Signal Noise Ratios reported | in dB-Hz |
| Time Precision | GPS+Glonass+Beidou 20 ns |
| Post Processing | 2 mm + 0.5 ppm Horizontal; 4 mm + 0.5 ppm Vertical |
| Single Baseline RTK | 8 mm + 1 ppm Horizontal; 15 mm + 1 ppm Vertical |
| Network RTK | 8 mm + 0.5 ppm Horizontal; 15 mm + 0.5 ppm Vertical |
| DGPS | <0.4m RMS |
| SBAS | Horizontal 0.5 RMS, Vertical 0.8 RMS |
| Standalone | 1m 3D RMS |
Physical
| Size (L × W × H) | 225 mm × 176 mm × 67 mm |
| Weight | 2.4 kg |
| Housing | Rugged aluminum housing |
| Working Temperature | -40°C to +80°C |
| Storage Temperature | -45°C to +85°C |
| Humidity | 100% non-condensing |
| Water & Dustproof | IP67, survives temporary immersion to a depth of 1 m |
| Shock | Rugged aluminum case with rubber ring seal, designed to survive a 1m drop onto concrete |
| Power Consumption | 3.5 W |
| External Power Input | 9.5-28 VDC, with over-voltage protection |
| Integrated Internal Battery | 7.4 V, 8800 mAh, Li-ion; 16-hour continuous operation |
Communications
| 3 Lemo Ports | One 2-pin Lemo port for power supply and battery charging; One 7-pin Lemo port (USB UART port) for system debugging and static data downloading; One 7-pin Lemo port (RS485 Protocol) for meteorological sensor / barograph / inclinometer connection |
| 1 DB9 male port | Standard RS232 protocol |
| 1 Standard USB port | Connect with external storage card |
| 1 RJ45 LAN Ethernet port | (10/100M Bit) Supports protocols HTTP, TCP/IP, FTP, NTRIP |
| 5 SMA male connectors | 1 PPS output; 1 Event input; 1 Reserved for WLAN and Bluetooth; 1 Frequency-marker oscillator input connector; 1 GPRS antenna connector |
| 1 TNC connector | GNSS Antenna connector |
| 4G modem | LTE-FDD: B1/B3/B5/B8; LTE-TDD: B34/B38/B39/B40/B41; WCDMA: B1/B8; GSM: B3/B8 |
| Front Panel Display | 4 arrow keys and data entry; Power button, Reset button and Esc button; LCD display showing receiver's status |
| Correction data I/O | RTCM 2.X, 3.X, RTCM3.2, CMR (GPS only), CMR+ (GPS only) |
| Position data output | ASCII: NMEA-0183: GSV, RMC, HDT, VHD, GGA, GSA, ZDA, VTG, GST, PJK, PTNL; Extended NMEA-0183: BDGGA, GPNTR, GPCDT, GPHPR |
| Observations | ComNav binary, BINEX, RTCM, RINEX, compatible with major CORS software (VRS, FKP and iMax) |
Data Logging
| Loop recording function | supports long-term recording |
| Support five simultaneously | raw data recording |
| Maximum data logging rate | 20 Hz |
| Storage capacity | 32 GB internal memory; Maximum 1TB external memory |
| File format options | 5/10/15/20/30 min and 1/2/4/24 hour |
| Data retrieval and transfer | FTP and USB |