My custom-built, easily transportable parabolic antenna immediately sprang to mind ... mount for the very popular and very inexpensive ESP-01 module. The second mount fit the Adafruit Feather ...

like in this clever mash-up by [bethiboothi] that takes advantage of the fact that the popular TP4056 lithium-ion battery charger module happens to be almost the exact same size of the ESP-01.

Outdated legislation in local antenna laws is hindering the installation of infrastructure necessary for signal improvement. A survey carried out by Conexis Brasil Digital, an organization ...