| Customization: | Available |
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| Carrier Frequency: | Dual Frequency Receiver |
| Number of Channels: | Multi-Channel Multi-Channel Receiver |
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CHCNAV GNSS Receiver i73+
The i73+ GNSS is an extremely compact, powerful and versatile GNSS receiver with integrated UHF Tx/Rx modem which can be used either as a base station or as a rover. Powered by CHCNAV iStar technology that optimally tracks satellite signals from all constellations, the i73+ GNSS achieves survey-grade, fixed RTK centimeter positioning within 30 seconds after power-up. Its automatic pole tilt compensation increases the efficiency of point measurements by up to 20% and stakeout surveys by up to 30%. Easy to carry in one hand, the i73+ GNSS is an effective, lightweight GNSS solution that adapts to a variety of jobsite configurations, making intensive field surveys more convenient and also less tiring for the operator. |
CHCNAV GNSS Receiver iBase
The iBase GNSS receiver is a fully integrated professional GNSS base station, specifically designed to meet 95% of surveyors' needs when working in UHF GNSS base and rover mode. The performance of the iBase UHF base station compared to a standard external UHF radio modem is almost perfect. But its unique design eliminates the need for a heavy external battery, cumbersome cables, external radio and radio antenna. Its 5-watt radio module provides operational GNSS RTK coverage up to 25 km with optimal conditions and features a real-time UHF interference self-checking technique, allowing the operator to select the most appropriate frequency channel to use. |
| item | value |
| Place of Origin | Shanghai, China |
| Warranty | 1 year |
| Customized support | OEM, ODM, OBM |
| Brand Name | CHCNAV |
| Color | Yellow |
| Power | Battery |
| Product Name | CHCNAV i73+ |
| GNSS Performance | |
| Channels | 1408 channels |
| GPS | L1C/A/L2P (Y)/L2C/L5 |
| GLONASS | L1, L2, L3 |
| Galileo | E1, E5a, E5b, E6 |
| BeiDou | B1I, B2I, B3I,B1C,B2a,B2b |
| QZSS | L1, L2, L5, L6 |
| NavIC/ IRNSS | L5 |
| PPP | B2b-PPP |
| SBAS | L1, L5 |
| GNSS Accuracies | |
| Real time kinematics (RTK) | Horizontal: 8 mm + 1 ppm RMS Vertical: 15 mm + 1 ppm RMS Initialization time: <10 s Initialization reliability: >99.9% |
| Post-processing kinematics (PPK) | Horizontal: 3 mm + 1 ppm RMS Vertical: 5 mm + 1 ppm RMS |
| High-precision static | Horizontal: 2.5 mm + 0.1 ppm RMS Vertical: 3.5 mm + 0.4 ppm RMS |
| Static and rapid static | Horizontal: 2.5 mm + 0.1 ppm RMS Vertical: 5 mm + 0.5 ppm RMS |
| Code differential | Horizontal: 0.4 m RMS Vertical: 0.8 m RMS |
| Autonomous | Horizontal: 1 m RMS Vertical: 1.5 m RMS |
| Positioning rate | 1 Hz, 5 Hz and 10 Hz |
| Time to first fix | Cold start: < 45 s Hot start: < 10 s Signal re-acquisition: < 2 s |
| IMU update rate | 200 Hz |
| Tilt angle | 0~60° |
| RTK tilt - compensated | Additional horizontal pole-tilt uncertainty typically less than 8 mm + 0.7 mm/° tilt |
| Hardware | |
| Size (L x W x H) | 119 mm x 119 mm x 85 mm (4.7 in × 4.7 in x 3.3 in) |
| Weight | 0.73 kg (1.60 lb) |
| Front panel | 4 LED, 2 physical buttons |
| Environment | Operating: -40°C to +65°C (-40°F to +149°F) Storage: -40°C to +85°C (-40°F to +185°F) |
| Humidity | 100% condensation |
| Ingress protection | IP67 waterproof and dustproof, protected from temporary immersion to depth of 1 m |
| Shock | Survive a 2-meter pole drop |
| Tilt sensor | Calibration-free IMU for pole-tilt compensation. Immune to magnetic disturbances. E-Bubble leveling |
| Communication | |
| Wi-Fi | 802.11 b/g/n, access point mode |
| Bluetooth | V 4.2 |
| Others | NFC |
| Ports | 1 x USB Type-C port (external power, data download, firmware update) 1 x UHF antenna port (TNC female) |
| UHF radio | Standard Internal Tx/Rx: 410 - 470 MHz Transmit Power: 0.5 W, 1W Protocol: CHC, Transparent, TT450, Satel (5) Link rate: 9,600 bps to 19,200 bps Range: Typical 3 km, up to 8 km with optimal conditions |
| Data formats | RTCM 2.x, RTCM 3.x, CMR input / output HCN, HRC, RINEX 2.11, 3.02 NMEA 0183 output NTRIP Client, NTRIP Caster |
| Data storage | 8 GB internal memory |
| Electrical | |
| Power consumption | Typical 2.2 W (depending on user settings) |
| Li-ion battery capacity | Built-in non-removable battery 6,800 mAh, 7.4 V |
| Operating time on internal battery | RTK Rover: up to 24 h UHF RTK Base: up to 10.5 h Static: up to 25 h |
| Certifications | |
| CE Mark; FCC Part 15 Subpart B Class B; NGS Antenna Calibration | |
Shanghai Newdi Navigation Technology Company Limited (NEWDI) was established in Shanghai China. We are engaged in providing high-precision surveying and mapping instrument. The involved industries include land survey, construction, marine and UAVTill now, we have a professional sales team with 5 year experience in average. Branch office in the USA, DUBAI, India and South Africa offers local technical support to word wide users. We put technical support and ll be input our Rafter sale service as our highest level principle. 10% of our revenue is input into R&D every year. We never stop developing a better product for our customer. Quality issues are at the forefront of NEWDI's philosophy. NEWDI received ISO 9001 certification from International Standards Organization. It applies to all aspects of NEWDI's every development process and workflow, covering all steps from the initial design to the final delivery. Our distribution network covers more 10 countries. We take the mission to make survey easier. We are proud of the value that customer benefit from our service and returns continuous trust to NEWDI.
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