[update: there is a commercial "add-on" product HT-M01 for Raspberry Pi Zero W+: link to aliexpress]
Probably the smallest, fully functional, LoRa gateway ever on earth....
An opensource LoRa concentrator (think as a muti-channel receiver) using SX1301 & SX125X .....
made by genious: https://twitter.com/will_whang - https://github.com/will127534
https://hackaday.io/project/13373-lora-concentrator/log/145392-the-smallest-lora-gateway-for-rpi-zero
By moving to a 4-layer board, he could finally build a full setup LoRa gateway (2xSX125X) with LNA/PA for Raspberry Pi Zero!
