G300

Signal Tracking

Channels

496 channels

GPS

L1 C/A, L1P, L2C, L2P, L5

BeiDou

B1, B2, B3

GLONASS

L1 C/A, L1P, L2 C/A, L2P

Galileo

E1, E5a, E5b

QZSS

Reserved

SBAS

WAAS, EGNOS, MSAS, GAGAN

Time Precision

GPS+Glonass+Beidou

20ns

Positioning Specifications

Static and Fast Static

Long Observations Static

2.5 mm+0.5 ppm Horizontal

5 mm+0.5 ppm Vertical

3 mm+0.1 ppm Horizontal

3.5 mm+0.4 ppm Vertical

Single Baseline RTK

(<30km)

8 mm + 1 ppm Horizontal

15 mm + 1 ppm Vertical

Network RTK

8 mm + 0.5 ppm Horizontal

15 mm+0.5 ppm Vertical

E-RTK (<100km)

0.2m + 1 ppm Horizontal

0.4m + 1 ppm Vertical

DGPS

<0.4 m 3D RMS

SBAS

1 m 3D RMS

Standalone

1.5 m 3D RMS

Communications

Communication ports

3 Lemo Ports

1 DB9 male port: Standard RS232 protocol

1 Standard USB port: Connect with external

storage card

1 RJ45 LAN Ethernet port (10/100M Bit)

3 SMA male connectors

2 TNC connectors

Protocol

HTTP, TCP/IP, FTP, NTRIP

PPS

1 Pulse Per Second Output

Event marker

Event marker input

Data Format

Correction data I/O

RTCM 2.X, 3.X, CMR(GPS only), CMR+(GPS only)

Positioning data outputs

– 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, RTCM3.X, compatible with major CORS software (VRS, FKP and iMax)

Data Logging

Loop recording function

support

Simultaneously raw data recording

Five

Storage capacity

8 GB internal memory

Maximum 1TB external memory

File format

RINEX 3.X, 2.X or ComNav binary format

File log

5\10\15\20\30min or 1\2\4\24hour

Maximum 50Hz data logging rate

Data retrieval and transfer

FTP and USB

Physical

Size(L×W×H)

202mm x 163mm x 75mm

Weight

2.4 kg

Housing

Rugged aluminum housing

Environmental

Working temperature

-40 °C to +80 °C

Storage temperature

-45℃ to +85℃

Humidity

100% no condensation

Water proof and dust proof

IP67, survives the temporary immersion to a 1 m depth

Shock

Rugged aluminum case with rubber ring seal, designed to survive a 1m drop onto concrete

Electrical

Power consumption

3.5 W

External power input

9.5-28 VDC, with over-voltage protection

Power supply

Integrated internal battery 7.4 V, 8800mAh, Li-ion; 16-hour continuously working

User Interface

Front Panel Display

4 arrow keys and data entry

Power button, Reset button and Esc button

LCD display showing receiver’s status

WebServer

ComNav M300 Pro Web Server

Software

CRU software