Engineering construction lay out GNSS RTK GPS for land measuring

Engineering construction lay out GNSS RTK GPS for land measuring

*Main features of the engineering construction GNSS RTK GPS

Small and lightweight   

• Only weighs 950g. 
• Measures Diameter 153mm x Height 83mm.

Multi-constellation Tracking 

• 220 tracking channels
• Supports GPS, GLONASS, GALILEO, BDS, SBAS
• NGS approved full-band GNSS antenna

Smart Application

• Offers tilt survey with a maximum tilt angle of 30 degrees. 
• Supports electronic bubble calibration
• The internal NFC module makes Bluetooth communication quick and easy.
• Intelligent voice assistance guides field operations. Voice can be DIY.
• Standard Rinex data and HI-TARGET raw data recorded simultaneously.

Optional Transceiver UHF Radio 

• The transceiver UHF radio enables switchable working modes between base and rover.
• Three types of internal UHF radio provide different frequencies based on users requirements. The Pacific Crest TrimTalk© internal UHF radio is compatible with other radios.

Multi-network Connection

• Supports GPRS, GSM and WCDMA
• Supports WIFI

Powerful Battery

• high-capacity (5000mAh) Li-ion battery to ensure full day operation

Powerful Battery

• IP67 dustproof and waterproof
• Able to survive a 3-meter natural fall onto concrete

*Specification of the GNSS RTK GPS

Satellite Signals Tracked Simultaneously 
220 Channels 
GPS……….. Simultaneous L1C/A, L2C, L2E, L5 
GLONASS……………..Simultaneous L1C/A, L1P, L2C/A (GLONASS M only), L2P 
SBAS……………………. Simultaneous L1 C/A, L5 
Galileo………………... Simultaneous L1 BOC, E5A, E5B, E5AltBOC 
BDS………………..…….……………………………. B1, B2 
QZSS…………………….. L1 C/A, L1 SAIF, L2C, L5 

POSITIONING PERFORMANCE 

Static and Fast Static GNSS Surveying 
Horizontal……………………2.5mm+0.5ppm RMS 
Vertical…………………………. 5mm+0.5ppm RMS 

Post Processing Kinematic (PPK / Stop & Go) GNSS Surveying 
Horizontal……………………….. 1cm+1ppm RMS 
Vertical………………………… 2.5cm+1ppm RMS 
Initialization time……….Typically 10 minutes for base while 5 minutes for rover 
Initialization reliability……Typically > 99.9% 

Real Time Kinematic (RTK) Surveying 
Single Baseline 
Horizontal……………………….. 8mm+1ppm RMS 
Vertical…………………………. 15mm+1ppm RMS

 
Network RTK 
Horizontal……………………….. 8mm+0.5ppm RMS 
Vertical………………………….. 15mm+0.5ppm RMS 
Initialization time……..…Typically < 8seconds 
Initialization reliability…….Typically > 99.9% 

Code Differential GNSS Positioning 
Horizontal………………………. 25cm+1ppm RMS 
Vertical…………………………… 50cm+1ppm RMS 
SBAS ……… 0.50m Horizontal, 0.85m Vertical 

HARDWARE 
Physical 
Dimensions (W x H)…….153mm x 83mm (6.02inch x 3.27inch) 
Weight………950g (2.09lb) without internal battery 
Operating temperature………. -40℃to +65℃ (-40℉ to +149℉) 
Storage temperature…………. -40℃ to +75℃(-40℉ to +167℉) 
Humidity………………………. 100%, considering 
Water/dustproof……………….. IP67 dustproof, protected from temporary immersion to depth of 1m (3.28ft). 
Shock and vibration……………Designed to survive a 3m(9.84ft) natural fall onto concrete. 

Electrical 
Power 6V to 28V DC external power input 
Power consumption ≤3.5W 
Automatic switching between internal power and external power 
Rechargeable, removable 7.4V, 5000mAh Lithium-ion battery in internal battery compartment 

Internal Battery Life 
Static 12hours 
RTK rover (UHF/GPRS/3G) 8-10 hours 
RTK base 8 hours 

I/O Interface 
1 xBluetooth, NFC 
1 x standard USB2.0 port 
1 x TNC antenna connector 
1 x RS232 serial port 
1 x DC power input (5-pin) 

Tilt Survey System 
Electronic Bubble 

COMMUNICATION 
Network Communication 
Fully integrated, fully sealed internal WCDMA, compatible with GPRS, GSM 
Wifi frequency is 2.4G, supports 802.11b/g/n protocol 
Network RTK (via CORS) range20-50km 

HI-TARGET Internal UHF Radio(Standard) 
Frequency… 450~470MHz with 116 channels 
Transmitting power…0.5W, 1W, 2W adjustable 
Transmitting speed……….9.6Kbps, 19.2Kbps 
Working range………….3~5km typical, 8~10kmoptimal 

Pacific Crest XDL Micro Internal UHF Radio 
Frequency…………………………….403~473MHz 
Transmitting power……………… 0.5W, 2W adjustable 
Transmitting speed…………….. Up to 19.2Kbps 
Support most of radio communication protocol 
Working range……………………… 3~5km typical, 8~10km optimal 

HI-TARGET External UHF Radio (Standard) 
Frequency………… 460MHz with 116 channels 
Transmitting power……. 5W, 10W, 20W, 30W adjustable 
Transmitting speed…………… Up to 19.2Kbps 
Working range…………………. 8~10km typical, 15~20km optimal 

Pacific Crest ADL Vantage Pro External UHF Radio 
Frequency…. 390~430MHz or 430~470MHz 
Transmitting power….. 4W to 35W adjustable 
Transmitting speed…………….. Up to 19.2Kbps 
Support most of radio communication protocol 
Working range…. 8~10km typical, 15~20km optimal 

SYSTEM CONFIGURATION 
System 
Data storage…………………16GB Internal storage (Support up to 32GB external SD card) 
Record GNS and RINEX format simultaneously 

Data Formats 
1Hz positioning output, up to 20Hz 
CMR: CMR, CMR+, sCMRx input and output 
RTCM: RTCM 2.1, 2.3, 3.0, 3.1, 3.2 input and output 
Navigation outputs ASCII: NMEA-0183 GSV, AVR, RMC, HDT, VGK, VHD, ROT, GGK, GGA, GSA, ZDA, VTG, GST, PJT, PJK, BPQ, GLL, GRS, GBS 
Navigation outputs binary: GSOF

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