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Professional Geodetic GNSS N702 Receiver from Leading China Factory Suppliers
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The Geodetic GNSS N702 is a premier, high-precision professional receiver engineered to deliver superior raw data quality and unwavering reliability in the most demanding geodetic environments. By simultaneously tracking signals from GPS, GLONASS, Galileo, BeiDou, and SBAS constellations, it establishes a robust foundation for RTK networks and ensures maximum positioning precision for GNSS rovers through seamless reference station integration.
Built for industrial-grade longevity and operational stability, the N702 combines an impressive Mean Time Between Failures (MTBF) of over 5,000 hours with a rugged IP67-rated chassis. Featuring expansive internal and external storage alongside versatile 4G and LoRa transmission options, it serves 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
Electronic design optimized for a Mean Time Between Failures (MTBF) exceeding 5,000 hours to minimize costly 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 system management.
Massive Data Storage
Record up to 8 separate sessions in Rinex 3.02 format, providing long-term archival 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 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 overall system health checks.
Multi-Session Logging
Efficiently manage up to 8 independent data sessions simultaneously 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.
