TCA920
2D Choke Ring Antenna
The TCA920 utilizes a traditional 2D design, covering multiple frequency points. With multipath suppression technology, it can mitigate the effect of multipath effect on measurement and positioning accuracy. This antenna is well-suited for applications in surveying, aviation, reference stations, government, and mechanical control, among others.
TCA920
2D Choke Ring Antenna
Multi-constellation and multi-frequency
The TCA920 supports comprehensive multi-constellation and multi-frequency coverage, including GPS, GLONASS, GALILEO, BDS, QZSS, SBAS, IRNSS, and L-Band correction services. It tracks all major bands for stable global positioning, ensuring strong signal availability, high precision, and reliable performance for surveying, monitoring, and base station applications.
Strong anti-interference performance
The TCA920 boasts exceptional strong anti-interference performance for stable GNSS signal transmission. Its high-performance LNA delivers excellent out-of-band rejection, effectively suppressing electromagnetic interference from power grids, communication base stations, and wireless modems. It prevents signal dropout and ensures consistent positioning output, maintaining reliable operation even in complex electromagnetic environments. This robust anti-interference capability guarantees long-term stability for base stations, monitoring systems, and precision surveying applications.
Millimeter-level accuracy
The TCA920 delivers reliable millimeter-level accuracy for high‑precision positioning tasks. Its 2D choke ring design suppresses multipath interference effectively, while patented multi‑point feeding ensures ultra‑stable phase center performance. It provides sub‑millimeter repeatability ideal for CORS, deformation monitoring, surveying, and long‑term measurement applications.
Wide frequency range, versatile application areas
The TCA920 provides an ultra-wide frequency range that fully covers GPS, GLONASS, GALILEO, BDS, QZSS, SBAS, IRNSS, and L-Band correction services. It supports land and marine surveying, channel mapping, earthquake and landslide monitoring, deformation monitoring, and wharf container operations. Its full-band design and high reliability make it a versatile solution for global high-precision positioning and long-term monitoring applications.
High phase center stability
The TCA920 delivers exceptional high phase center stability through patented multi-point feeding technology and a professional 2D choke ring structure. It achieves sub-millimeter phase center repeatability across all GNSS and L-Band frequency bands, effectively minimizing measurement errors and ensuring consistent positioning output. This outstanding stability makes it ideal for CORS stations, bridge and building deformation monitoring, geological surveillance, and other long-term high-precision applications.
Product Parameters
Size
Φ322mm*261mm
Weight
5.6kg
GNSS Tracking
Axial Ratio
LNA Gain
Protection
Humidity
GPS, GLONASS, BDS, GALILEO, QZSS, SBAS and IRNSS
≤2dB
50dB(typical)
IP67
95% non-condensing
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