| CHC I70 | |
| GNSS Characteristics | |
| 624 channels | GPS: L1,L2, L2C |
| GLONASS: L1, L2 | |
| SBAS: WAAS, EGNOS, MSAS | |
| Galileo: E1, E5B | |
| BDS: B1, B2,B3 | |
| Advanced multipath mitigation | |
| Low noise carrier phase measurement | |
| Performance Specifications (1) | |
| Real Time Kinematics (RTK) | Horizontal: 10mm+1ppmRMS |
| Vertical: 20mm+1ppm RMS | |
| Initialization time: typically<10s | |
| Initialization reliability: typically >99.9% | |
| Post Processing Static | Horizontal: 5mm+1ppm RMS |
| Vertical: 10mm+1ppm RMS | |
| Communications | |
| Bluetooth, NFC | x1 |
| Integrated GSM/GPRS or 3G modem, SIM card slot | x1 |
| DC power input USB data download(7pins) | x1 |
| TNC antenna connector | x1 |
| DC power intput and data output port(7pins) | x1 |
| CHC internal UHFradio(Standard) | 450-470 Mhz, work distance: 5km |
| Protocol: CHC | |
| Internal Satel UHF radio(optional) | 410-470 Mhz, work distance:27km |
| Protocol: CHC, TT450S, Transparent | |
| Data Protocols | RTCM2.1, RTCM2.3, RTCM3.0, |
| CMR, CMR+ input and output | |
| NMEA0183 outputs | |
| RINEX and ZHD outputs for GNSS raw data | |
| Data Storage | 32GB internal memory+8GB internal Micro storage card |
| Record HCN and Rinex format simultaneously | |
| Physical | |
| Dimension (WXH) | 135mm×116 mm |
| Weight | 1.1 Kg with battery |
| Working Temperature | -40 °C − +75°C (-49 °F − 149°F) |
| Storage Temperature | -55°C − +80°C (-67 °F − 185°F) |
| Humidity | 100% condensation |
| Dustproof | IP67 |
| Waterproof | IP67 |
| Electrical | |
| Typical power consumption | 3.2 W |
| Battery capacity | 7.4v, 3200 mAh, two battery |
| Operating times on internal battery | Up to 15 hours typical |
| External power input | 9-36 V DC |
| Sensors | |
| Tilt sensor | Support tilt survey |
| Ebuble | Enable automatical survey, while receiver levelled |
| Temperature sensor | sense and adapt device temperature |