December 14, 2019
Description
This is quarter wavelength antenna protected by a radome. Use a wire (e.g 8.6 cm for 869.85 MHz) soldered to the printed circuit board.
Openscad file is provided so you can change the dimensions if you change the frequency.
The radome can be glued to the pcb.
You can see a picture with and without the radome.
License:
Creative Commons - Attribution
jf3d
