M300 Pro GNSS Receiver-GNSS Receiver-ComNav Technology Ltd.

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Features

Updated to SinoGNSS K8 platform, support full-constellation and multi-frequency tracking
Compact Housing with Flexible Interfaces for External Devices
User-friendly Front Panel Display
Built-in Web Server
Large Capacity Internal Memory and Expandable Memory
Integrated battery serves as primary power and an ups backup

Full-constellation tracking

The M300Pro 2023 tracks 1590 channels with all working and planned GNSS constellations including GPS, GLONASS, BeiDou, Galileo, QZSS, IRNSS and SBAS

Built-in webserver

The powerful built-in webserver provides a full remote control of receiver configuration, status checking, firmware update, data download and user management

Standard communication protocols

Ensure easy configuration through HTTP protocol, support five independent data transfer through TCP protocol in RTCM, ComNav binary, NMEA, BINEX data formats, and NTRIP protocol, especially NtripCaster as a single base

Product Parameter

Performance

Physical

Communications

Data logging

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
Advanced multipath mitigation technology
Low noise carrier phase measurements with <1 mm precision in a 1 Hz bandwidth
High precision multiple correlators for GNSS pseudorange measurements
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
Signal Baseline RTK	8 mm + 1 ppm Horizontal 15 mm + 1 ppm Vertical
DGPS	＜0.4m RMS
SBAS	Horizontal 0.5 RMS, Vertical 0.8 RMS
Standalone	1m 3D RMS

Physical

Size (L × W × H)	202 mm × 163 mm × 75 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
ComNav M300 Pro 2023 Web Server
CRU software
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 20 Hz data logging rate
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