|   			    			   			Measurement Performance   			 |   			  			    			   			Signal tracking   			 |   			  			 BDS-2:B1I, B2I, B3I; BDS-3:B1I, B3I, B1C, B2a, B2b   			 |   		
  		  			|   			 GPS:L1C/A,L2P,L2C,L5,L1C*   			 |   		
  		  			|   			 GLONASS: G1, G2, G3*; SBAS: L1C/A,L5*   			 |   		
  		  			|   			 Galileo: E1,E5b,E5a,E5 AltBoc*,E6c*   			 |   		
  		  			|   			 QZSS: L1, L2C, L5; IRNSS: L5*   			 |   		
  		  			|   			 1598 channels   			 |   		
  		  			|   			    			   			GNSS features   			 |   			  			 Positioning output frequency 1Hz to 20Hz; initialisation time less than 10 seconds   			 |   		
  		  			|   			 Initialisation reliability >99.99%   			 |   		
  		  			|   			 Full constellation reception technology, which can fully support signals from all current GNSS constellations   			 |   		
  		  			|   			 Highly reliable carrier tracking technology, which greatly improves carrier accuracy and provides users with high quality raw   			observation data   			 |   		
  		  			|   			 Intelligent dynamic sensitivity positioning technology, adapting to various environmental changes, adapting to harsher and more   			distant positioning environments   			 |   		
  		  			|   			 Highly accurate positioning processing engine   			 |   		
  		  			|   			    			   			Positioning Accuracy   			 |   			  			 Code differential GNSS positioning   			 |   			  			 Horizontal: 0.25 m + 1 ppm RMS   			 |   		
  		  			|   			 Vertical: 0.50 m + 1 ppm RMS   			 |   		
  		  			|   			 Static CNSS measurements   			 |   			  			 Plane: ± (2.5mm + 0.5 x 10-6D); Elevation: ± (5mm + 0.5 x 10-6D); (D is the length of the baseline being measured, in mm)   			 |   		
  		  			|   			 Real-time dynamic measurement   			 |   			  			 Plane: ± (8 mm + 1 x 10-6D); Elevation: ± (15 mm + 1 x 10-6D) (D is the length of the measured baseline in mm)   			 |   		
  		  			|   			    			   			Operating Systems/User Interaction   			 |   			  			 Operating system: Linux   			 |   		
  		  			|   			 Keypad: single button   			 |   		
  		  			|   			 Indicator lights: Four indicator lights. Satellite light, differential signal light, Bluetooth light, power light   			 |   		
  		  			|   			 Web interaction: support WI-FI and USB mode to access the receiver built-in Web management page, monitor the host status, free   			configuration of the host, etc.   			 |   		
  		  			|   			 Voice: iVoice intelligent voice technology, intelligent status announcement, voice operation prompt; default support for Chinese,   			English, Korean, Russian, Portuguese, Spanish, Turkish   			 |   		
  		  			|   			 Secondary development: provide secondary development package, open OpenSIC observation data format and interaction interface   			definition for secondary development   			 |   		
  		  			|   			 Data cloud service: powerful cloud service management platform, allowing remote management and configuration of equipment, viewing   			progress, managing jobs, etc. Can use Qualitec servers or build your own servers   			 |   		
  		  			|   			    			   			Hardware   			 |   			  			 Size: 156mm*78mm (diameter, height)   			 |   		
  		  			|   			 Weight: 1.3kg (with battery)   			 |   		
  		  			|   			 Material: magnesium alloy   			 |   		
  		  			|   			 Operating temperature: -30 °C to +70 °C; storage temperature: -40 °C to +80 °C   			 |   		
  		  			|   			 Humidity resistant to 100% condensation   			 |   		
  		  			|   			 Protection class: IP68, waterproof: 1m immersion, dustproof: completely protected against dust ingress   			 |   		
  		  			|   			 Resistant to a 2 m drop with a pole   			 |   		
  		  			|   			    			   			Electrical   			 |   			  			 Power supply: 6~28V wide voltage DC design with overvoltage protection   			 |   		
  		  			|   			 Battery: detachable dual battery design, support hot-swappable, voltage: 7.4V, 3400mAh/block   			 |   		
  		  			|   			 Power solution: Mobile station mode, typical endurance time >20 hours at full charge, support battery power supply, rechargeable   			battery power supply   			 |   		
  		  			|   			    			   			Communication   			 |   			  			    			   			I/O ports   			 |   			  			 5 pole LEMO external power connector + RS232   			 |   		
  		  			|   			 Type-C interface for power supply, data transmission   			 |   		
  		  			|   			 One radio antenna port   			 |   		
  		  			|   			 Micro SIM card slot (medium card)   			 |   		
  		  			|   			    			   			Radio modems   			 |   			  			 Built-in transceiver radio, typical operating distance 10km; support radio relay, network routing function.   			 |   		
  		  			|   			 Operating frequency 410-470MHz; communication protocols: Farlink,TrimTalk450S,ZHD,SOUTH,HUACE,Satel   			 |   		
  		  			|   			    			   			4G all-access   			 |   			  			 Intelligent PPP dialing technology based on Linux platform, automatic real-time dialing, continuous online during work; built-in   			network antenna   			 |   		
  		  			|   			 Equipped with a 4G tell-tale network communication module, compatible with various CORS systems access   			 |   		
  		  			|   			    			   			Bluetooth   			 |   			  			 Bluetooth 3.0/4.1.   			 |   		
  		  			|   			 Bluetooth 2.1+EDR standard   			 |   		
  		  			|   			    			   			NFC wireless communication   			 |   			  			 NFC wireless communication technology, Bluetooth automatic pairing can be achieved by touching the handbook and the main unit   			(requires handbook also equipped with NFC wireless communication module)   			 |   		
  		  			|   			    			   			eSIM (optional)   			 |   			  			 The eSIM chip can be embedded in the handbook to provide network resources in real time to ensure continuous online network   			operation of the host computer, supporting external card solutions   			 |   		
  		  			|   			    			   			WIFI   			 |   			  			 Standard   			 |   			  			 802.11b/g/n standards   			 |   		
  		  			|   			    			   			WIFI Hotspot   			 |   			  			 With WIFI hotspot function, any intelligent terminal can be connected to the receiver for rich personalization of the receiver   			functions   			 |   		
  		  			|   			 Data transfer between industrial handbooks, intelligent terminals and other data collectors and receivers via WIFI   			 |   		
  		  			|   			 WIFI data chain   			 |   			  			 Receiver can be connected to WIFI for differential data broadcast or reception via WIFI   			 |   		
  		  			|   			    			   			Data Storage/Transfer   			 |   			  			    			   			Data storage   			 |   			  			 8G internal solid state memory   			 |   		
  		  			|   			 Auto-cycle storage (automatically delete the earliest data when there is not enough storage space)   			 |   		
  		  			|   			 Supports external USB memory for data storage   			 |   		
  		  			|   			 Rich sampling interval, up to 20Hz raw observation data acquisition   			 |   		
  		  			|   			    			   			Data transfer   			 |   			  			 One-button intelligent copy of static data directly from the host computer via external USB memory   			 |   		
  		  			|   			 Plug-and-play USB data transfer method   			 |   		
  		  			|   			 Supports USB, FTP download, HTTP data transfer   			 |   		
  		  			|   			    			   			Data format   			 |   			  			 Static data formats: Southern STH, Rinex 2.01 and Rinex 3.02 and many more   			 |   		
  		  			|   			 Differential data formats: RTCM3.0, RTCM3.2   			 |   		
  		  			|   			 GPS output data formats: NMEA 0183, PJK planar coordinates, binary codes   			 |   		
  		  			|   			 Network mode support: VRS, FKP, MAC, NTRIP protocol support   			 |   		
  		  			|   			    			   			Sensors   			 |   			  			    			   			Inertial tilt measurement   			 |   			  			 Built-in IMU inertial measurement sensor, supports inertial tilt measurement function, automatically corrects coordinates   			according to the tilt direction and angle of the centering rod   			 |   		
  		  			|   			 Tilt angle: 0°~60°; IMU update rate: 200HZ   			 |   		
  		  			|   			 Tilt compensation accuracy   			 |   			  			 1.8 m pole; RMS: 8 mm + 0.7 mm/°tilt   			 |   		
  		  			|   			    			   			Temperature sensors   			 |   			  			 Built-in multiple temperature sensors, using intelligent frequency conversion temperature control technology, real-time monitoring   			and adjustment of the host temperature   			 |