G7

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Features

Specification

GNSS features	Channels	1598
	GPS	L1, L1C, L2C, L2P, L5
	GLONASS	L1C/A,L1P,L2C/A,L2P,L3
	BDS	BDS-2: B1I, B2I, B3I BDS-3: B1I, B3I, B1C, B2a, B2b*
	GALILEOS	E1, E5 A, E5B, E6C, AltBOC*
	SBAS(WAAS/MSAS/EGNOS/GAGAN)	L1*
	IRNSS	L5*
	QZSS	L1, L2C, L5*
	MSS L-Band	BDS-PPP
	Positioning output rate	1Hz~20Hz
	Initialization time	< 10s
	Initialization reliability	> 99.99%
Positioning precision	Code differential GNSS positioning	Horizontal: 0.25 m + 1 ppm RMS Vertical: 0.50 m + 1 ppm RMS
	Static(long observations)	Horizontal: 2.5 mm + 1 ppm RMS Vertical: 3 mm + 0.4 ppm RMS
	Static	Horizontal: 2.5 mm + 0.5 ppm RMS Vertical: 3.5 mm + 0.5 ppm RMS
	Rapid static	Horizontal: 2.5 mm + 0.5 ppm RMS Vertical: 5 mm + 0.5 ppm RMS
	PPK	Horizontal: 3 mm + 1 ppm RMS Vertical: 5 mm + 1 ppm RMS
	RTK(UHF)	Horizontal: 8 mm + 1 ppm RMS Vertical: 15 mm + 1 ppm RMS
	RTK(NTRIP)	Horizontal: 8 mm + 0.5 ppm RMS Vertical: 15 mm + 0.5 ppm RMS
	RTK initialization time	2 ~ 8s
	SBAS positioning	Typically < 5m 3DRMS
	BANDA-L	Horizontal: 5-10cm (5-30min) Vertical: 10-30cm (5-30min)
	IMU	Less than 10mm + 0.7 mm/° tilt to 30°
	IMU tilt angle	0° ~ 60°
User interaction	Operaing system	Linux
	Buttons	Single button
	Indicators	4 LED indicators(satellite, Datalink, Bluetooth, Power)
	Web interaction	With the access of the internal web interface management via WiFi or USB connection, users are able to monitor the receiver status and change the configurations freely
	Voice guidance	It provides status and operation voice guidance, and supports Chinese/English/Korean/Spanish/Portuguese/Russian/Turkish
	Secondary development	Provides secondary development package, and opens the OpenSIC observation data format and interaction interface definition
	Cloud service	The powerful cloud platform provides online services like remote manage, firmware update, online register and etc.
Hardware performance	Dimension	135mm(W) ×135mm(L) × 84.75mm(H)
	Weight	970g (battery included)
	Material	Magnesium aluminum alloy shell
	Operating temperature	-25°C~+65°C
	Storag temperature	-40°C~+80°C
	Humidity	10 0% Non-condensing
	Waterproof/Dustproof	IP67 standard, protected from long time immersion to depth of 1m IP67 standard, fully protected against blowing dust
	Shock and vibration	Withstand 2 meters pole drop onto the cement ground naturally MIL-STD 810G
	Power Supply	6-28V DC, overvoltage protection
	Battery	Inbuilt 7.2V 6800mAh rechargeable, Li-ion battery
	Battery life	15h (Rover Bluetooth mode)
Communications	I/O port	5-PIN LEMO external power port + RS232 Type-C interface (charge, OTG, data transfer to PC or phone, Ethernet) 1 UHF antenna interface
	Internal UHF	2W radio, receive and transmit, radio router and radio repeater
	Frequency Range	410-470MHz
	Communication Protocol	Farlink, Trimtalk450s, SOUTH, HUACE, Hi-target, Satel
	Communication range	Typically 8km with Farlink protocol
	Bluetooth	Bluetooth 3.0/4.1 standard, Bluetooth 2.1 + EDR
	NFC Communication	Realizing close range (shorter than 10cm) automatic pair between receiver and controller (controller requires NFC wireless communication module else)
WIFI	Modem	802.11 b/g standard
	WIFI hotspot	Receiver broadcasts its hotspot form web UI accessing with any mobile terminals
	WIFI data link	Receiver can transmit and receive correction data stream via WiFi datalink
Data storage/ Transmission	Storage	4GB SSD internal storage standard, extendable up to 64GB Automatic cycle storage (The earliest data files will be removed automatically while the memory is not enough) Support external USB storage The customizable sample interval is up to 20Hz
	Data transmission	Plug and play mode of USB data transmission Supports FTP/HTTP data download
	Data format	Static data format: STH, Rinex2.01, Rinex3.02 and etc. Differential data format: RTCM 2.1, RTCM 2.3, RTCM 3.0, RTCM 3.1, RTCM 3.2 GPS output data format: NMEA 0183, PJK plane coordinate, Binary code Network model support: VRS, FKP, MAC, fully support NTRIP protocol
Sensors	Electronic bubble	Controller software can display electronic bubble, checking leveling status of the carbon pole in real-time
	IMU	Built-in IMU module, calibration-free and immue to magnetic interference
	Thermometer	Built-in thermometer sensor, adopting intelligent temperature control technology, monitoring and adjusting the receiver temperature

Items marked with * will be upgraded with the update of the firmware version The data comes from the SOUTH GNSS product laboratory, and the specific situation is subject to local actual usage. The measurement accuracy, precision and reliability are associated to various factors, including number of satellite tracking, observation time, multi-path, etc.