Specialist in Multirotor Tech & FPV Equipment
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Triple Feed 5.8GHz 9.4dBi LHCP RHCP Circularly Polarised Patch Antenna

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The Triple Feed Patch antenna is a directional circularly polarised antenna designed by Maarten Baert and his co-worker Robin Theunis. Maarten has form when it comes to creating killer antennas; he came up with the fantastic Pagoda antenna.

The Triple Feed Patch antenna is unique in that it’s the first of its type, which lets you switch between Left-Hand Circularly Polarised (LHCP) and Right-Hand Circularly Polarised (RHCP). It also boasts a much better axial ratio than most other FR4 based patch antennas. At nearly 1.0 (<1.3) its truer axial ratio means less multipathing and therefore a clearer picture. Finally the antenna has 9.4dBi of gain, which translates into great range! Included with the patch is a 8cm semi rigid SMA cable.

  • Good radiation efficiency at 5.8 GHz.
  • Good axial ratio, not just directly perpendicular to the patch but also off-center.
  • Supports both LHCP and RHCP

For the best RF performance we recommend using 50ohm dummy load for the unused SMA connector. 

Radiation pattern

Triple Feed Patch Antenna 3D Radiation PatternTriple Feed Patch Antenna 2D Radiation Pattern

Review by RCModelReview

Credit: Manufactured under License CC BY-SA 4.0 from Maarten Baert

Specification:

  • Center frequency: 5.8 GHz
  • Bandwidth: 660 MHz (5.47 – 6.13 GHz)
  • Matching: S11 < -20 dB, VSWR < 1.22 (at center frequency)
  • Axial ratio: < 1.3
  • Antenna gain: 9.4 dBi
  • Half power beam width: 55° (horizontal and vertical)
  • Radiation efficiency: 83.5%

Included:

  • 1 x Triple Feed Circular Polarized FPV Patch Antenna 
  • 1 x Semi Rigid SMA Extension
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