Amazon.com: Sanpyl Built in M.2 Antenna with IPEX4 Port DIY IPE Gene4 Built in NGFF/M.2 WiFi Antenna with IPEX4 Port 2.4/5G Suitable for all Kinds of Minicomputer Notebook Computer Tablet DIY Installation :
How To Build A Tin Can DIY WiFi Antenna - SHTFPreparedness
How to make a WiFi signal amplifier from the outside to the inside. - SILICEO Online store Blog & Shopping