High Precision Intelligent Rtk Gnss Surveying System

Tracking Capability

• Number of Channels---------220 channels
• Tracked Signals:

---GPS: L1C/A, L1C, L2C, L2E, L5
---GLONASS: L1C/A, L1P, L2C/A, L2P, L3 Positioning Accuracy
Code differential GNSS positioning(DGPS)
Horizontal ..........................................±0.25 m + 1 ppm RMS
Vertical ............................................. ±0.50 m + 1 ppm RMS
SBAS differential positioning accuracy......... typically <5 m
Static GNSS surveying
Horizontal ..................................... ±2.5 mm + 0.5 ppm RMS
Vertical ......................................... ±5.0 mm + 0.5 ppm RMS
Real Time Kinematic surveying[RTK]
Single Baseline <30 km
Horizontal .................................... ±8 mm + 1 ppm RMS
Vertical ....................................... ±15 mm + 1 ppm RMS
Network RTK
Horizontal ................................. ±8 mm + 0.5 ppm RMS
Vertical .................................... ±15 mm + 0.5 ppm RMS
Initialization time...................................typically < 8seconds 
Initialization reliability..................................Typically > 99.9%
Tilt survey(2m GPS pole)
10 degree to 30 degree ............................10mm to 30mm 
Data cloud service
Web page cloud service management platform, supporting online register etc.
Hardware Physical
Size (W×H).................................................. 14.1 cm x 14 cm
Weight ..................................................... 1.45 kg with battery
Material................................................Magnesium alloy shell
Operating Temperature ...............................-30° C to +65° C
Storage Temperature ..................................-40° C to +75° C
Humidity.....................................................100%,condensing
Dust/Water Protection......IP67 at closing all connector caps. Protected agaist temporary immersion up to 1m depth.
Shock and vibration...................Designed to survive a 2m natural fall onto concrete.
Electrical 

• Power 9 to 22V DC external power input with over-voltage protection 
• Rechargeable, removable 11.1V,3.4Ah Lithium-ion smart battery with LED status indicators
• input voltage .................. ..100 to 240V AC[50/60Hz]
• Power consumption is 6.2W in RTK rover mode with internal radio
• Operating times on single battery

--- Static mode..................................................... 12 hours
---UHF receive only option................................. 8 hours
---UHF receive/transmit option[2.0W]............ 4.3 hours
---WCDMA/GPRS receive option...................... 6 hours
Operation system

• Button...... Double buttons and visual operation interface
• LCD...... 1.2inch HD OLED screen,128×64 dpi sunlight readable 
• Voice................ iVoice intelligent voice technology provides status and operation voice promptly

I/O port
 GPRS antenna connector / UHF antenna connector 
DC power input (5-pin) / RS232 and USB port (7-pin) 
SIM card slot /1 x Micro SD slot 
Tilt Survey System
Built in tilt compensator, correcting coordinates automatically according to the tilt direction and angle of the centering rod
Electronic Bubble
Controller software display electronic bubble, checking leveling status of the centering rod real time
Communications and Data Storage
Internal Radio
Frequency.....................................................410~470MHz
Transmitting power...........................0.5W/2W adjustable 
Working range.........................................................3~5km 
External Radio
Frequency.....................................................410~470MHz
Transmitting power..........................5W /35W adjustable 
Working range...................................................... 8~30km
Cellular...................WCDMA3.5G,GPRS/EDGE(option CDMA2000/ EVDO 3G) 
Bluetooth................Bluetooth 2.1+EDR/ Bluetooth 4.0 BLE
Wi-Fi....................................802.11 b/g/n, access point mode
Data storage: 
Internal Memory : 4 GB 
External Memory: Micro SD card (Max. 32GB)
Data Formats:
1Hz positioning output, up to 20Hz 
CMR, CMR+, RTCM 2.3, RTCM 3.0, RTCM 3.1, RTCM 3.2 
MSM input and output
Web UI
Offers simple configuration, operation, status, and data transfer
Accessible via Wi-Fi, Serial, USB, and Bluetooth