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Harxon HX-CGX611A Mini GNSS Choke Ring Antenna


GPS L1/L2/L5 + GLONASS L1/L2 + BeiDou B1/B2/B3 + Galileo E1/E5ab/E6 + L-band with 52dB Gain



The Harxon HX-CGX611A is a high performance GNSS antenna for base stations. It covers full frequency satellite signal tracking of GPS, GLONASS, Galileo, BeiDou, QZSS, IRNSS and SBAS, as well as L-Band correction service. It is a mini choke ring antenna with strong multipath suppression performance that was specifically designed for applications such as land and marine surveying, channel surveying, earthquake and landslide monitoring, deformation monitoring, and wharf container operations that require absolute positioning accuracy and multi-constellation support.

The HX-CGX611A antenna adopts a unique choke ring structure design which delivers extraordinary multipath suppression performance for stable satellite signal tracking. It also features Harxon’s patented multi-point feeding technology to achieve the repeatability of phase center and geometrical center, maximumly decreasing the measuring deviation. The stability of this antenna reaches submillimeter, ideal for mission-critical applications.

The HX-CGX611A offers excellent signal tracking performance thanks to its high gain and wide beam width for directional diagram, which ensures ideal satellite signal reception even the antenna situates at low elevation and quickly tracks available satellites in environments with blockages and output reliable and stable GNSS signals.

The LNA(low noise amplifier)of this antenna features an excellent out-of-band rejection performance, which can suppress unwanted electromagnetic interference (EMI) and avoid interference from power grid, communication base station, or radio modem applications and effectively decrease the risk of satellite signal tracking loss, providing the stability and reliability of GNSS signals.

The HX-CGX611A is a ruggedized and durable mini choke ring antenna that offers an IP67 rated housing which protects against dust, rain, splash or sunlight. Its MTBF (mean time between failures) exceeds 30,000 hours and functions normally for a long period of time even under extreme environments as high and low temperature, high humidity, salt fog and etc. Its mini dimensions offers easy integration for positioning solutions.


  • Supports GPS L1/L2/L5, GLONASS L1/L2, BeiDou B1/B2/B3, Galileo E1/E5ab/E6, L-band signals
  • Excellent multipath rejection and low elevation tracking performance
  • Water & dust-proof design
  • Sub-millimeter phase center repeatability
  • LNA has high gain which ensures the operation with long cable (100 meters +)

Technical Specifications

GPS: L1, L2, L5
Galileo: E1, E5ab, E6
BeiDou: B1, B2, B3
L-Band: Yes
Nominal Impedance: 50Ω
Polarization: RHCP
Axial Ratio: ≤3dB
Azimuth Coverage: 360°
Output VSWR ≤2.0
Peak Gain: ≥6.5dBi
Phase Center Error: ±1 mm
LNA Gain: 50dB (typical)
Noise Figure: ≤2dB
Operation Voltage: +3.3 to + 12VDC
Operation Current: ≤60mA (maximum)
Group Delay Ripple: <5ns
Dimensions: φ185 x 132 mm
Connector: TNC female
Weight: 1.9 kg
Operating Temperature: -45 °C to +85 °C
Storage Temperature: -55 °C to +85 °C
Humidity: 95% non-condensing



The HX-CGX611A mini GNSS choke ring antenna from Harxon is available through TerrisGPS. Please use the Request Pricing form to contact us for further information.

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Client Testimonials

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"Thank you for your prompt service. All seems to be working well again. Your techs were very helpful with the troubleshooting."
J.O. - Ground Navigation
"Thanks for all the troubleshooting help, also to John for his assistance and the prompt answers from you guys!"
F.A. - Survey Industry

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