[Mare] has a visual guide and simple instructions for making DIY mini helical 868 MHz antennas for LoRa applications. 868 MHz is a license-free band in Europe, and this method yields a perfectly ...
The HW Series antennas are available in half-wave center-fed dipole and quarter-wave monopole versions. Standard center frequencies for the monopole versions are 315, 418, and 433 MHz, and 868 and 916 ...
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