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Harxon HX-CH4605A UAV/Helix Antenna


GPS L1/L2 + GLONASS L1/L2 with 36dB Gain



The HX-CH4605A UAV/helix antenna supports GPS L1/L2 and GLONASS L1/L2 signals with a small and lightweight design. This antenna is suitable for applications such as for GIS, unmanned aerial vehicle (UAV) and drone applications where high precision is required.

The HX-CH4605A antenna has exceptional pattern control, polarization purity and high efficiency in a very compact form factor. It offers high gain and wide beam width to ensure the signal reception even at low elevation angles. The HX-CH4605A meets IP65 standards for dust and water.


  • Supports GPS L1/L2, GLONASS L1/L2 signals
  • High stability and high repeatability at phase center
  • High gain provides superior tracking performance at low elevation angle
  • Very low noise figure
  • Well suited for GIS, UAV and drone applications
  • Meets IP65 standards for dust and water
  • Ultra light weight

Technical Specifications

GPS: L1, L2
Nominal Impedance: 50Ω
Polarization: RHCP
Axial Ratio: ≤3dB
Azimuth Coverage: 360°
Output VSWR ≤2.0
Peak Gain: 3dBi
LNA Gain: 33dB (typical)
Noise Figure: ≤2.0dB
Operation Voltage: +3.3VDC
Operation Current: ≤55mA (maximum)
Dimensions: ¢27.5 x 124 mm
Connector: SMA male
Weight: 35 g
Operating Temperature: -40 °C to +70 °C
Storage Temperature: -40 °C to +70 °C
Humidity: 95% non-condensing


The HX-CH4605A UAV/helix 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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