9db Directional Antenna for Helium Mining
9db Directional Antenna for Helium Mining (EU & UK Frequency 868MHz) Please note the US and UK (EU) use slightly different frequencies so I have made two PDF templates with measurements for both. Help support this channel on Patreon: https://www.patreon.com/user?u=20857330 Want a cantenna: https://tinyurl.com/4duwr3kn helium EU Template https://drive.google.com/file/d/1Pce-... helium US Template https://drive.google.com/file/d/12uKe...
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