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  1. #1 Top |
    Extreme Donator II
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    Feb 2018
    London, GB
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    Question DIY Signal Booster

    Any good, is it worth buying?

    2.4G 5.8G DIY Signal Booster High Gain 16DBI Refitting Antenna For DJI Mavic Pro

    from ebay.
    Just another day!

  2. #2 Top |
    New Member -Fred-'s Avatar
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    Nov 2017
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    It looks le they could be considered Helix antennas.
    Those antennas need a proper matching to work correctly, as their natural impedance is relatively high.
    And with so close spacing between turns, their gain must be quite low.
    They hare circular polarization however, which is good to avoid cross polarisation that can occur when using linear antennas, as the original ones ...

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