
CC2531 with enhanced with antenna
thingiverse
This is a remix, I added a square hole for the external antenna mod from Hackaday: https://hackaday.io/project/163505-cc2531-usb-adapter-antenna-mod I used these adapters: https://www.aliexpress.com/item/Sindax-RP-SMA-Connectors-10x-Gold-plated-RP-SMA-female-plug-Center-solder-PCB-clip-edge/32607090152.html?spm=a2g0s.9042311.0.0.27424c4dyUy8kO Check if you need male/female for your antenna, they have a pin inside so get an antenna with hole.
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