Main Features

Full GNSS
Choke-Ring Plane
High Precision
Compatible with GPS, GLONASS, BeiDou, Galileo, and QZSS.

Multipath suppression from reflected signals.

Low noise amplification with high phase-center accuracy.

Product Description

The C220 GR2 is a high-performance, multi-constellation GNSS choke ring antenna, specifically optimized for GNSS reference station applications and RTK network infrastructures. Offering exceptional multipath mitigation and sub-millimeter phase-center accuracy, the C220 GR2 delivers a durable solution for demanding positioning and navigation applications, including static and real-time geodetic reference stations, surveying, mapping, machine control, and autonomous navigation.

Use Cases

GNSS CORS Networks
Seismic Monitoring
Structural Monitoring

Benefits and Performances

Comprehensive GNSS Support
The C220 GR2 antenna supports GPS, GLONASS, Galileo, BeiDou and QZSS. Its multi-constellation and multi-frequency capabilities ensure compatibility with current and future signals, making it suitable for global geospatial operations.

Superior Multipath Rejection
The C220-GR2 excels at minimizing signal interference from reflections, known as multipath. This feature is critical for high-precision applications, such as reference stations, ensuring optimal GNSS signal reception and reliable positioning results, even in complex environments.

High Phase Center Stability
CHCNAV choke ring antennas are designed for extreme accuracy, featuring high phase-center stability across all frequencies. The precision of the C220-GR2 ensures consistent measurements for scientific studies, structural monitoring, and long-term reference station use.
Durability in Harsh Conditions
Constructed from rugged materials to withstand extreme environments, the C220-GR2 antenna offers reliable performance in adverse conditions. With IP67-rated water and dust resistance, it is built for prolonged outdoor use, ensuring long-term durability with minimal maintenance.