|   						 MEASUREMENTS     						• 220 Channels     						• Advanced Pacific Crest Maxwell 6 Custom Survey GNSS Technology     						• High precision multiple correlator for GNSS pseudo range measurements     						• Unfiltered, unsmoothed pseudo range measurements data for low noise, low multipath error, low time domain correlation and high dynamic response     						• Very low noise GNSS carrier phase measurements with <1 mm precision in a 1 Hz bandwidth     						• Signal-to-Noise ratios reported in dB-Hz     						• Proven Pacific Crest low elevation tracking technology     						      						Satellite signals tracked simultaneously     						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%     						      						RealtimeKinematic(RTK) surveying     						Horizontal: 8mm+1ppm RMS     						Vertical: 15mm+1ppm RMS     						Initialization time: typically < 8 seconds     						Initialization reliability: typically > 99.9%     						      						Code Differential GNSS positioning     						Horizontal: 25cm+1ppm RMS     						Vertical: 50cm+1ppm RMS     						SBAS href="#_edn4" [iv]: 0.50m Horizontal, 0.85m Vertical     						      						HARDWARE     						      						Physical     						Dimensions (W x H): 19.50cm x 10.40cm(7.68 in x 4.09 in)     						Weight: 1.3kg (2.86lb) with internal battery, internal radio, standard UHF antenna     						Operating temperature: -45℃to +65℃ (-49℉ to +149℉)     						Storage temperature: -55℃ to +85℃ (-67℉ to +185℉)     						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 2.5W     						Automatic Switching between internal power and external power     						Rechargeable, removable 7.4V, 5000mAh Lithium-Ion battery in internal battery compartment     						      						Internal battery life     						Static 13 - 15 hours     						RTK Rover (UHF/GPRS/3G) 10 - 12 hours     						RTK Base 8 - 10 hours     						      						I/O interface     						1 x Bluetooth     						1 x standard USB2.0 port     						2 x RS232 serial port     						2 x DC power input (8-pin & 5-pin)     						      						      						COMMUNICATION AND DATA STORAGE     						      						GPRS/GSM or 3G     						Fully integrated, fully sealed internal GPRS/GSM or 3G     						Network RTK (via CORS) range20-50km     						      						HI-TARGET internal UHF radio (standard)     						Frequency: 460 MHz with 116 channels     						Transmitting Power: 0.1W, 1W, 2W adjustable     						Transmitting Speed: Up to 19.2Kbps     						Working Range: 3~5Km typical, 8~10km optimal     						      						Pacific Crest XDL micro Internal UHF Radio     						Frequency: 403~473 MHz     						Transmitting Power: 0.5W, 1.0W, 2.0W 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: 460 MHz 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: 390~430 MHz or 430~470 MHz     						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     						      						Support other external communication device     						For example, external GSM modem.     						      						Data storage     						64MB internal memory     						      						Data formats     						(1Hz positioning output, up to 50 Hz - depends on installed option)     						CMR: sCMRx, CMR, CMR+input and output     						RTCM: RTCM 2.1, 2.2, 2.3, 3.0, 3.1 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     						1 Pulse Per Second Output     						    						 |