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E91 Rtk 624 Channels High Precision Chc E91 GPS Geodetic Rtk Gnss with Built in 4G Module
US$3,500.00
1 Set
US$3,400.00
2+ Sets
Sample price:US$3500.00/set.Request sample
Product profile
Customization
AvailableCarrier Frequency
Dual-FrequencyType
Geodesic TypeModel NO.
E91Operating Principle
Interferometric TypePort Number
Sequencing ChannelChip
SirfBrand Name
ChcModel Number
E91GPS
Simultaneous L1c/a, L2c, L2e, L5Glonass
Simultaneous L1c/a L1p L2c/a(Glonass M Only) L2pSbas
Simultaneous L1c/a, L5Galileo
Simultaneous L1 Boc, E5a, E5b, E5altbocBds
B1, B2Dimensions
153mm*83mmHumidity
100%, ConsideringWater/Dustproof
IP67 Dustproof, Protected From Temporary ImmersionAccuracy
1mmVertical Lines
1Horizontal Line
1After-sales Service
3 YearsWarranty
3 YearsTransport Package
1 Set Packed in 2 CartonsTrademark
CHC E91Origin
ChinaHS Code
9015800090Production Capacity
20000PCS/YearKey features
624-Channel High Precision: Full GNSS tracking with 1mm accuracy for surveying and construction.
Built-in 4G & UHF Radio: Integrated 4G modem and UHF radio for stable network RTK connections.
16-Hour Battery Life: 10200 mAh battery provides up to 16 hours of continuous operation.
IP67 Waterproof Design: Rugged design withstands dust, water, and 2-meter drops on concrete.
Multi-GNSS Support: Simultaneous tracking of GPS, GLONASS, Galileo, BeiDou, and SBAS.
Customizable IP68: Environmental protection can be customized to IP68 standard.
OEM/ODM Service: Customization available from samples or designs for brand needs.
3-Year Warranty: Comprehensive 3-year warranty coverage for peace of mind.
Company profile
Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from DesignsExport Year: 2008-07-01Nearest Port: SHANGHAI, NINGBO, SHENZHENAverage Response Time: ≤4.86h
AI-Powered supplier vetting
SummarySHANGRAO HAODI IMP&EXP TRADING CO., LTD. is a China-based limited company operating as both a trading company and manufacturer/factory, with 22 employees and a product range focused on surveying equipment. It reports annual total-station productivity of 10,000 sets and offers customization from samples and designs. The supplier states that it provides OEM and ODM services and has attended Intergeo, but it launched no new products in the past year and has no available SDK. After-sales procedures exist for supplier-service assessment, corrective actions, and customer complaints, although no written records were provided. The supplier has no overseas warehouse, showroom, agent, or branch, and reports service coverage in zero countries. Audit information identifies BV as the organization, but the audit evaluation result is recorded as 0. Financial records are indicated for 2021–2023, but their contents and performance are not provided.
Supplier typeThe supplier is identified as both a trading company and manufacturer/factory, organized as a limited company in China. It has 22 employees and no stated affiliation with a larger company group, indicating a standalone small-to-medium supplier structure.
R&D capabilityThe supplier reports one R&D engineer and states that no new products were launched during the past year. It offers ODM and OEM services, but has no available SDK and explicitly reports no R&D capability with product information for the past year, indicating limited demonstrated recent innovation.
Production capacityThe supplier identifies itself as a manufacturer/factory and reports annual total-station productivity of 10,000 sets. It also reports average lead times within 15 working days in both peak and off-seasons, with Shanghai Port listed as the nearest port, supporting a stated production and delivery capability.
Customization capabilityThe supplier explicitly offers customization from samples and from designs. It also reports ODM and OEM capability, including OEM service for popular brands, providing direct evidence of product customization and outsourced design/manufacturing support.
Product Q&A
Q:What is the real-time accuracy of the E91?
A:
Static accuracy is 3mm + 1ppm horizontally and 5mm + 1ppm vertically. RTK accuracy is 8mm + 1ppm horizontally and 15mm + 1ppm vertically.
Q:Does the E91 support multiple satellite systems?
A:
Yes, it supports GPS, GLONASS, Galileo, BeiDou, and SBAS with 624 channels for full GNSS high-precision tracking.
Q:How long does the battery last on a single charge?
A:
The built-in 10200 mAh lithium-ion battery provides up to 16 hours of working time under ideal conditions.
Q:Is the device waterproof and dustproof?
A:
Yes, it meets the IP67 standard for dust and water protection. IP68 customization is also available.
Q:What communication interfaces are built-in?
A:
It includes a global 4G modem, UHF radio (410-470 MHz), Bluetooth V4.1, and Wi-Fi 802.11 ac/n/b/g/n.
Send Inquiry
*To:
SHANGRAO HAODI IMP&EXP TRADING CO., LTD.
SHANGRAO HAODI IMP&EXP TRADING CO., LTD.*Content:
Supplier replies will be sent to your registered email
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