GEOSUN GeoRef V2E, Hardware Operating Instructions

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Technical Parameters
37
This chapter describes the technical parameters of Geosun GeoRef V2 series. The
specifications are subject to change without notice.
System Configuration

Operating System: Windows CE 6.0

Microprocessor: 1GHz industrial-grade processor

Storage: 512 MB DDR2 SDRAM, built-in 512MB flash memory

Extension: Built-in sealed Micro SD card slot, support massive storage expansion up
to 32GB

Display: 3.7 inches sunlight readable color touch screen
GPS Performance

Channel: Single Frequency 12 Channel, L1 carrier output

SBAS: WAAS, EGNOS, MSAS

1 Hz, 2 Hz, 5 Hz, 10 Hz, 20Hz Positioning Output (1Hz in default)

Extremely low noise GPS carrier phase measurement, error in 1 Hz Bandwidth < 1
mm

Navigation output format support: ASCII: NMEA-0183 and binary system

Differential format support: RTCA, RTCM

Main Board: Professional GPS main board

Antenna: Built-in high sensitivity anti-interference GPS antenna
Positioning Accuracy

Single Point Positioning: 2-3m

SBAS: 1-3 m

Real Time Differential: sub-meter

Differential Post-Processing: 0.5m

Static Surveying: ±(5mm+1×10
-6
D)
Interfaces

USB port, RS232 serial port

V2E: Built-in GPRS wireless communication card slot; V2G: Built-in 3G (WCDMA)
wireless communication card slot