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Circular Wireless 1.2/1.3GHz Circularly Polarized Patch Antenna (CPATCH12)

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Circular Wireless 1.2/1.3GHz Circularly Polarized Patch Antenna (CPATCH12)
CPATCH12: Circular Patch Antenna 1.2/1.3 GHz
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This circularly polarized directive antenna is designed to be used in the video receiver. Combined with a Skew Planar Wheel at the transmitter offers around 30Km range.

The antenna is Right Hand Circular Polarized, and is supplied with SMA female connector, and a 90º angled SMA male-male pigtail, with the length needed to connect with a video receiver attached with hook and loop adhesive in the back of the antenna.


  • Size: 130x158x28 mm
  • Weight: 120 grams


This is the graph of the Return Loss parameter of the CPATCH12 antenna, designed to cover the channels from 1200 to 1330 MHz.It is possible to use it at 1360MHz channel, but a small reduction in performance should be expected.


It has a directive radiation pattern, with a maximum gain of 8.6dB, and a beamwidth of +/-45° (total beam width of 90°) in the XZ and YZ plane.


This is especially important in circular polarization. In a simple way: the difference between co-polar component (blue, right hand circular in this case) and cross-polar (red, left hand circular) is the attenuation that will introduce the antenna to capture the reverse polarization, which will come from the reflected signal that we want to avoid to reduce multipath. In these antennas is bigger than 12dB in all cases, which means that the reflected signal will reach the emitter attenuated at least 12dB with respect to the desired signal, which is great to prevent interferences with the desired signal.

Additional Information
SKU 1941
Manufacturer Circular Wireless
Antenna Connector SMA
Antenna Frequency 1.3GHz
Polarization N/A