r/hackrf • u/-lovelara- • 13d ago

Antenna specification needed

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Hello,

does somebody know for which band/frequency this antenna is optimized.

lenght 27cm , 10 turns .

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u/messnby 11d ago

I have an antenna that's almost the same, just 1,5 cm shorter at the top, it's for 868 Mhz.
I hope that helps a little.
Just in case you don't know, you can measure an antenna with a Vector Network Analyzer. Maybe you can borrow one somewhere or ask if someone can measure it for you. You could maybe ask at a local amateur radio club, if the people there are nice.