| Customization: | Available |
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| Carrier Frequency: | Dual-Frequency |
| 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 lemo 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 |
Leveraging the latest GNSS technologies, the E91 is a smart receiver of the next generation. The proven and outstanding performance and reliability make it the preferred choice of surveyors and construction professionals.
The E91 benefits froma compact ergonomicand rugged design with integrated sensors(4G network modem,UHF Radio,Wi-Fi,Bluetooth and ebubble).
| Core Technology of E91 GNSS RTK | |
| 624 channels - Full GNSS High-precision tracking of GPS, GLONASS, Galileo, BeiDou and SBAS. |
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| Internal 10200 mAh battery Internal6800 mAh battery, E91 can work up to16hasRTKroverstation underidealconditions |
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| Internal 4G network modem Embedded 4G modem for stable network RTK connections. The E91 can also be set as Wi-Fi hotspot for the controller to access the Internet |
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| Integrated UHF modem E91 integrated UHF modem can be set at frequencies between 410 MHz - 470 MHz with up to5 km workingrange |
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| Rugged design The rugged and durable design meets the IP67 environmental standard for water and dust. The E91 can survive a 2 m drop onto concrete |
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