South GT7

(Price on request)

South Geodesical GT7 is a rugged and versatile multi-GNSS RTK receiver with built-in IMU. It can provide coordinates down to centimeters in RTK mode. RTK mode requires a pair of receivers: one is stationary which provides corrections, another one moving which applies corrections and provides its precise coordinates.

Channels 965
IMU Tilt Sensor 60°
 Internet Modem None
UHF Radio 410 – 470MHz
GPS L1, L1C, L2C, L2P, L5
BEIDOU BDS-2, B1I, B2I, B3I BDS-3, B1I, B3I, B1C, B2a, B2b


Outstanding GNSS performance

Equipped with new generation the most powerful GNSS RTK engine with 965 channels, GT7 can track signal from all consatellations including B3 signal of BDS satellites. Its high-performance GNSS antenna is upgraded with strong anti-interference ability and sensitive satellite signal capture ability, to track more satellite in harsh environments. system is much higher, it can be adapt to the job of longer uninterrupted power.

Ultimate portability

Long Range radio link – 5KM

Built-in transceiver integrated radio, working frequency 410-470MHz. TrimTalk450S, TrimMark3, SOUTH,CHC,SATEL, HI-TARGET are all compatible. Equipped with Far-Link “Simultaneous” radio module,

based on Farlink protocol, it can increase the sensitivity and efficiency of radio signal, achieve the typical working range as 5KM operation, and meet the needs of customers for small and medium- scale.

Barrier-Free Measurement

 – 10h

 Highly integrated GNSS antenna, Bluetooth module and WIFI module, leading the design trend of miniaturization, light weight, and portable RTK to a new height. Magnesium alloy housing, tough line design, more delicate surface decoration, stronger sense of technological design, more durable.

Built-in 6800mAh high-capacity battery, the battery life is more than 10 hours, one charge, meets all-day work.Equipped with fast charging charger, which can be fully charged within 5 hours. The battery core can be recharged with long life, and performance is more secure and reliable.

Innovative design

Single button boot design, one button evokes all RTK operations. The body screen adopts a translucent high-strength panel, which has a stronger visual sense of technology. Plus four indicator lights, common

information is clear at a glance. Double speaker design, three-dimensional sound broadcast, remove noise barriers, and receive clearer sound.

IMU survey

Built-in IMU compensator, correct the coordinates according to the tilt direction and angle of the centering rod automatically within 60°, assist you quickly and accurately survey or stake out points without leveling the pole, error less than 3cm within 45° inclination, improve working efficiency by 20%.



Satellite signals tracked simultaneously
Signal tracking 965 channels
GPS: L1, L1C, L2C, L2P, L5
GLO: G1, G2, G3
BDS: BDS-2: B1I, B2I, B3I BDS-3: B1I, B3I, B1C, B2a, B2b*
GAL: E1, E5A, E5B, E6C, AltBOC*
QZSS: L1, L2C, L5*
MSS L-Band (Reserve)
Positioning output rate:1Hz~20Hz
GNSS features Initialization time: <10s
Initialization reliability: >99.99%
Positioning precision
Code differential GNSS positioning Horizontal: ±0.25m+1ppm Vertical: ±0.50m+1ppm
SBAS positioning accuracy: Typically<5m 3DRMS
Static GNSS surveying Horizontal: ±2.5mm+0.5ppm Vertical: ±5mm+0.5ppm
Real-time kinematic surveying Horizontal: ±8mm+1ppm Vertical: ±15mm+1ppm
Network RTK Horizontal: ±8mm+0.5ppm Vertical: ±15mm+0.5ppm
IMU tilt compensation Additional horizontal pole tip uncertainty typically less than 10mm + 0.7 mm/° tilt down to 30°
IMU tilt angle 0°~60°
User interaction
Operaing system Linux
Buttons Onebutton operation
Indicators Fourindicate lights
Web UI Freely to configure and monitor the receiver by accessing to the web server via Wi-Fi and USB
Voice guide iVoice intelligent voice technology provides status and voice guide
Supporting Chinese, English, Korean, Russian, Portuguese, Spanish, Turkish and user define
Secondary development Providing secondary development package
Hardware performance
Dimension 135mm(Diameter)x84.75mm(Height)
Weight 0.97kg (battery included)
Material Magnesium aluminum alloy shell
Operating -45°C~+70°C
Storag -55°C~+85°C
Humidity 100% 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
Power Supply 9-28V DC, overvoltage protection
Battery Internal Li-on, 6800mAh, 3.7V
Battery life Static mode 10 h, Rover mode 8h,Base mode 8h
I/O port 5PIN LEMO external power port + RS232, 7PIN external USB(OTG)+Ethernet
1 radio antenna interface
Wireless modem Built-in radio, 1W, typically work range can be 5KM
Radio repeater
Frequency Range 410-470MHz
Communication Protocol Farlink, Trimtalk450s, SOUTH, HUACE, Hi-target, Satel
Double Module Bluetooth BLEBluetooth 4.0 standard, support for android, ios cellphone connection
Bluetooth 2.1 + EDR standard
NFC Communication Realizing close range (shorter than 10cm) automatic pair between receiver and controller
(controller equipped NFC wireless communication module needed)
Standard 802.11 b/g standard
WIFI Hotspot The WIFI hotspot allows any mobile terminal to connect and access to the internal webserver for the control
and moditor receiver
WIFI data link To work as the datalink that receiver is able to broadcast and receive differential data via WIFI
Data storage/ Transmission
Data Storage 8GB SSD internal storage
Support external USB storage and automatical cycle storage
Changeable record interval, up to 20Hz raw data collection
Data Transmission USB data transmission, supporting FTP/HTTP data download
Data Format Differential data format: CMR, sCMRx, RTCM 2.1, RTCM 2.3, RTCM 3.0, RTCM 3.1, RTCM 3.2
GPS output data format: NMEA 0183, PJK plane coordinates, Binary code
Network model support: VRS, FKP, MAC, fully support NTRIP protocol
Inertial sensing system
Tilt angle Up to 60 degrees
Accuracy Less than 2cm
Electronic bubble Controller software display electronic bubble, checking leveling status of the centering rod real time
Thermometer Built-in thermomter sensors, adopting intelligent temperature control technology which can monitor and
adjust the temperature of receiver in real time
Weight 1 kg


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