High Precision Geodetic GNSS N702 Receiver | China Factory Suppliers

Buy high-precision Geodetic GNSS N702 receivers from reliable China factory suppliers. Industrial-grade IP67 ruggedness, multi-constellation tracking, and 5000h MTBF for superior RTK accuracy.

SupplierShanghai Newdi Navigation Technology Co.,Ltdwww.nctnav.com

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About this product

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The Geodetic GNSS N702 is a premier, high-precision professional receiver meticulously engineered to deliver superior raw data quality and unwavering reliability. Specifically designed for the most demanding geodetic environments, it simultaneously tracks signals from GPS, GLONASS, Galileo, BeiDou, and SBAS constellations, providing a robust foundation for RTK networks and maximum positioning precision for GNSS rovers through seamless reference station integration.

Built for industrial-grade longevity and operational stability, the N702 features an impressive Mean Time Between Failures (MTBF) of over 5,000 hours and a rugged IP67-rated chassis. With expansive storage options and versatile 4G/LoRa transmission, it stands as the definitive solution for long-term geodetic monitoring, precision mapping, and critical infrastructure measurement where data integrity and zero downtime are paramount.

Detailed Parameters

Tracking Channels	72 channels (All in view simultaneously)	Constellations	GPS, GLONASS, BDS, Galileo, QZSS, SBAS
RTK Accuracy (H/V)	Horizontal: 10mm + 1ppm / Vertical: 15mm + 1ppm	Static Accuracy (H/V)	Horizontal: 2.5mm + 0.5ppm / Vertical: 5mm + 0.5ppm
Update Rate	Up to 10Hz raw data updating	Cold Start Time	30 seconds
Operating Temp	-40°C to +85°C (-49°F to +167°F)	Protection Grade	IP67 Water and Dust resistant
Storage Capacity	64GB Internal / Up to 256GB External	Communication	4G Module, LoRa Radio, TCP, UDP, MQTT

Key Advantages

Industrial Ruggedness

IP67-rated protection and MIL-STD-810 shock resistance ensure survival even after a 2m drop in harsh field conditions.

Extreme Reliability

Optimized electronic design with an MTBF exceeding 5,000 hours to minimize costly operational downtime.

Full Constellation

Simultaneous tracking of GPS, GLONASS, Galileo, and BeiDou for superior signal availability and precision.

Advanced Web Access

Embedded FTP server and FTP push capabilities ensure seamless data integrity and easy remote management.

Massive Data Storage

Record up to 8 separate sessions in Rinex 3.02 format, supporting archival storage for up to 7 years.

Flexible Connectivity

Integrated 4G and LoRa radio with MQTT/UDP protocols for versatile data transmission and RTK corrections.

Product Gallery

Management Platforms

RTK Network Foundation

Acts as a high-stability reference station providing optimal RTK corrections for various GNSS rovers.

FTP Data Server

Direct remote access and push capabilities for secure, automated retrieval of raw geodetic data.

Real-time Monitoring

Full support for MQTT and TCP protocols for instantaneous status updates and system health checks.

Multi-Session Logging

Efficiently manage up to 8 independent data sessions for complex, multi-phase geodetic projects.

Rinex Standard Export

Full compatibility with Rinex 2.11 and 3.02 formats for universal use in post-processing software.

Remote Configuration

Adjust system parameters via an intuitive web interface without the need for physical on-site access.

Investment Return Comparison

Evaluation Factor	Standard GNSS Receiver	Geodetic N702 System
System Downtime	Frequent (Low IP Rating)	Minimal (IP67 & High MTBF)
Data Reliability	Limited storage/Manual backup	64GB+ / Automated FTP Push
Positional Accuracy	Single Constellation focus	Full Constellation (Multi-GNSS)
Field Durability	Standard housing	MIL-STD-810 Shock Resistant
Long-term ROI	High maintenance costs	Low TCO via industrial design

Frequently Asked Questions

Q: What are the main advantages of the N702 for geodetic measurements?

The N702 offers superior raw data quality by tracking all major constellations (GPS, GLONASS, Galileo, BeiDou) and provides extreme stability with an MTBF of over 5,000 hours, making it perfect for long-term reference stations.

Q: How does the N702 handle data storage and retrieval?

It features 64GB of internal storage and supports up to 256GB externally. Data is stored in standard Rinex 3.02 format and can be retrieved via an embedded FTP server or pushed automatically to a remote site.

Q: Is the device suitable for extreme weather conditions?

Yes, the N702 is IP67 rated for dust and water resistance and operates in extreme temperatures ranging from -40°C to +85°C, ensuring reliable performance in any climate.

Q: What communication protocols does the N702 support?

The device supports 4G modules, LoRa radio, and network protocols including TCP, UDP, and MQTT for flexible data communication and seamless system integration.

Q: What is the precision level for post-processing static measurements?

For post-processing static measurements, the N702 achieves a high-level horizontal accuracy of 2.5 mm + 0.5 ppm RMS and a vertical accuracy of 5 mm + 0.5 ppm RMS.

Q: Can the N702 be used as part of an RTK network?

Absolutely. The N702 is specifically designed to function as a high-stability reference station, providing the quality GNSS raw data necessary for optimal RTK corrections to rovers.