spectra promark 220
Product specifications
Constellation : GPS, GLONASS, SBAS
Frequency : L1, L2
Channels : 45
Update Rate : 0.05 sec
Data format : RTCM 3.1, ATOM, CMR(+), NMEA
Raw data output : Yes
Real-time Accuracy - RTK mode (HRMS) : 1 cm
Real-time Accuracy - DGPS mode (HRMS) : < 30 cm
Real-time Accuracy - SBAS mode (HRMS) : < 50 cm
Post-Processed Accuracy (HRMS) : 0.5 cm + 1 ppm
Time to first fix : 15 sec
Initialization range : Up to 40 km
Processor : 806 MHz
Operating system : Windows Embedded Handheld 6.5
Communications : GSM/GPRS, BT, WLAN
Unit size (mm / inches) : 190x90x43mm / 7.5x3.5x1.7in
Weight : 0.62 kg / 1.43 lb
Display : 3.5
Memory : 256 MB SDRAM / 2 GB NAND / SDHC
Temp Min (°C) : -20°C / -4°F
Temp Max (°C) : 60°C / 140°F
Waterproof : IP 65
Shock & vibration : ETS300 019 & MIL-STD-810
Power (type - lifetime) : 6600 mAh Li-Ion / > 8 hrs
Antenna Type : Internal / External
Firmware options : Yes
Software options : Yes