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![]() | 624 channels - Full GNSS |
Internal 4G network modem | |
Rugged design | |
Internal 10200 mAh battery | |
Integrated UHF modem |
Top Features:
1)624 channels - Full GNSS
2)Internal 4G network modem
3)Rugged design
| model | CHCNAV E91 | |
| Gnss | Channel | 624 |
Satellite Tracked | GPS L1, L2, L2C, L5 | |
GLONASS L1, L2 | ||
Galileo E1, E5a, E5b | ||
QZSS L1, L2, L5 | ||
BeiDou B1, B2, B3 | ||
SBAS L1 | ||
Update rate | Up to 10 Hz |
Performance Specifications
| |
Signal Reacquisition | < 1 sec |
Hot Start | < 10 sec |
Initialization Reliability | > 99.9% |
Memory | 8 GB |
Real-Time Accuracy (rms) | |
Post-processing kinematics (PPK) | Horizontal: 3 mm + 1 ppm RMS Vertical: 5 mm + 1 ppm RMS |
RTK Accuracy | Horizontal:8 mm + 1 ppm Vertical:15 mm + 1 ppm |
Code Differential | Horizontal: 0.4 m RMS Vertical: 0.8 m RMS |
Autonomous | Horizontal: 1.5 m RMS Vertical: 3.0 m RMS |
Communication | |
Network modem | Integrated 4G modem |
Bluetooth | V4.1 |
WIFI | b/g/n, access point mode |
Ports | 1 x 7-pin LEMO port (external power, RS-232) 1 x USB 2.0 port (data download, firmware update) 1 x UHF antenna port (TNC female) 1 x 2-pin LEMO port (optional) |
UHF radio | Standard Internal Rx/Tx: 410 MHz to 470 MHz Transmit Power: 0.5 W to 2 W Protocol: CHC, Transparent, TT450 Range: 5 km optimal conditions |
Data formats | CMR input and output 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 |
Data storage | 8 GB high-speed memory |
Physical | |
Dimensions | 160 mm x 158 mm x 96 mm (6.3 in × 6.2 in × 3.8 in) |
Shock | Survive a 2-meter pole drop |
Environment | |
Dustproof&Waterproof | IP67 waterproof and dustproof, protected from temporary immersion to depth of 1 m |
Humidity | 95% |
Power Supply | |
Battery | 10200 mAh |
Operating time on internal battery | up to 16 h |
External Power | 9 V DC to 28 V DC |





1 set packed in 3 cartons:
48*42*23cm (10.5kg)
48*42*23cm (10.5kg)
10*17*146cm(5kg)



We have strong cooperation with DHL, TNT, UPS, FEDEX, EMS,China Air Post.
Warm tip: if it is convenient, we can have a good communication about packaging and logistics.Because of the special products,it is difficult for us to send them by regular express
If you have any other questions or want to know more product information,please don't hesitate to contact us.
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