High Precision Geodetic GNSS N702 Receiver China Factory Suppliers

Looking for reliable Geodetic GNSS N702 receivers? As leading China factory suppliers, we provide industrial-grade GNSS solutions with IP67 rating and multi-constellation tracking 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 high-precision professional receiver engineered for superior raw data quality and unwavering reliability in demanding environments. By simultaneously tracking signals from GPS, GLONASS, Galileo, BeiDou, and SBAS constellations, it provides a robust foundation for RTK networks and ensures the highest quality positioning for GNSS rovers through advanced reference station integration.

Designed for industrial-grade longevity, the N702 combines an impressive MTBF of over 5,000 hours with a rugged IP67-rated chassis. With massive internal and external storage capabilities and versatile data transmission options including 4G and LoRa, it is the ideal solution for long-term geodetic monitoring, mapping, and critical infrastructure measurement where data integrity and uptime 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

Electronic design optimized for a Mean Time Between Failures (MTBF) exceeding 5,000 hours to minimize downtime.

Full Constellation

Simultaneous tracking of GPS, GLONASS, Galileo, and BeiDou for superior signal availability and positioning 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, providing long-term storage for up to 7 years.

Flexible Connectivity

Integrated 4G, LoRa radio, and multiple protocols (MQTT/UDP) for versatile data transmission and RTK corrections.

Product Gallery

Management Platforms

RTK Network Foundation

Serves as a high-stability reference station to provide optimal RTK corrections for rovers.

FTP Data Server

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

Real-time Monitoring

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

Multi-Session Logging

Manage up to 8 independent data sessions simultaneously for complex geodetic projects.

Rinex Standard Export

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

Remote Configuration

Adjust system parameters via web interface without needing physical on-site access.

Investment Return Comparison

Evaluation Factor	Standard GNSS Receiver	Geodetic N702
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 integration.

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

For post-processing static measurements, the N702 achieves a 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 reference station, providing the high-quality GNSS raw data necessary for optimal RTK corrections to GNSS rovers.