| Customization: | Available |
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| Operating Principle: | Code Related Type |
| Type: | Geodesic Type |
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Product Specifications of CHC E91
| model | CHC E91 | |
| Gnss | Channel | 624 |
| Satellite Tracked | GPS L1CA/L1P/L1C/L2P/L2C/L5 | |
| GLONASS G1, G2, G3 | ||
| Galileo E1, E5a, E5b, ALTBOC, E6 | ||
| QZSS L1, L2 L5, | ||
| BeiDou B1I, B2I, B3I, B1C, B2a, B2b, ACEBOC | ||
| SBAS Ll, L5 | ||
| Update rate | 5 Hz, up to 50 Hz |
| Performance Specifications | |
| Signal Reacquisition | < 1 sec |
| Hot Start | < 10 sec |
| Initialization Reliability | > 99.9% |
| Memory | 8 GB |
| Real-Time Accuracy (rms) | |
| Static Accuracy | Horizontal:3mm + 1ppm |
| Vertical:5 mm + 1 ppm | |
| RTK Accuracy | Horizontal:8 mm + 1 ppm |
| Vertical:15 mm + 1 ppm | |
| Code Differential | Horizontal:0.4 m |
| SBAS Accuracy | Horizontal:0.8 m |
| Communication | |
| 7-pin | Connect to external power and radio |
| USB | For charging and data transmission |
| Cellular | Global 4G |
| Bluetooth | V4.1 |
| WIFI | 802.11 ac/n/b/g/n |
| WebUI | Update firmware, manage settings and |
| status, download data | |
| Date formats | CNR input and out put |
| RTCM 2.x, RTCM 3.x input and output | |
| NMEA 0183 output | |
| HCN, HRC and RINEX 2.11, RINEX 3.02 | |
| NTRIP Client, NTRIP Caster | |
| Electronic Bubble | Support |
| Dimensions | 160*158*96mm , 1.55KG |
| Shock | Survive a 2 m pole drop on concrete floor 1.2 m free drop |
| 5-pin port | connecting external power supply and external radio |
| SIM Card | NANO SIM |
| Cellular | Global 4G |
| Bluetooth | V2.1+EDR / V4.1 Dual Mode, Class 2 |
| WIFI | 802.11 ac/n/b/g/n |
| WebUI | Update firmware, manage settings and |
| status, download data | |
| Electronic Bubble | Support |
| Environment | |
| Dustproof&Waterproof | IP67 (Customizable IP68) |
| Humidity | 95% non-condense |
| Power Supply | |
| Battery | Rechargeable, built-in Lithium-ion battery,7.2 V - 10200 mAh |
| Voltage | 9~28 V DC external power input |
| Working Time | Up to 16 hours |
| Charge Time | Typically 4 hours |
| Internal Radio | |
| Frequency Range | 410 - 470 MHz |
| Protocol | CHC, Transparent, TT450 |
| Emitting Power | 0.5 W / 2 W |
| Operating Range | 5 km typically |
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