Receiver accuracy
Static horizontall accuracy: ±3mm+1ppm
Static vertical accuracy:±5mm+1ppm
RTK horizontal accuracy:±1cm+1ppm
RTK vertical accuracy:±2cm+1ppm
Code differential positioning accuracy:0.45m(CEP)
Single positioning accuracy:1.5m(CEP)

Receiver
28～54 channels,
Reserved the function to update to 72 channels
Channels including:14L1+14L2 GPS 2 SBAS
12L1 GLONASS(Optional) 12L2 GLONASS(Optional)
Advanced multi-path effect restraining technology
GLONASS supported:You can get GLONASS function optionally
So that it realized two positioning systems(GPS+GLONASS)
Low energy consumption :2W
Data refreshing rate:the fastest is 20Hz
Signal recapture:0.5～1.0s

Physical specification
Size Height:96.5mm Diameter:186mm
59mm from the airproof rubber loop to the bottom
Capacity of single battery:2400m AH
Volt:7.4V

Opetational environment
Operation temperature:-25℃-60℃ 
Storage temperature:-55℃-85℃

Built-in GSM/GPRS/CDMA module
Seamless connected with referece station by GSM/GPRS/CDMA mode

Function key and light
Only one key:you can operate via the one key to set working mode
Such as static,RTK by radio or by GSM/GPRS/CDMA mode.There are
Three lights and two different colors.They are STA/DL,SAT/Blue
-tooth and power light.

Controller specifications
Type:Psion-7527
ustproof and waterproof:IP65 Shockproof:1.2m naturally drop
Processor:PXA 270520MHz 32bit RISC CPU
Storage:128M,support SD card and CF card,extension to maximum
Screen:color touch LCD Wireless Communication:Bluetooth
Data communication:SD card USB communication