gateways
RAK Gateway
RAK2245 Pi HAT is a module with Raspberry PI form factor. It can be plugged into Raspberry PI such as Raspberry Pi 3 Model B+ as a complete RF front end of gateway. It supports eight channels and is available for LoRaWAN global frequency bands. The board is the smallest gateway concentrator which integrates the Ublox MAX-7Q GPS Module and heat sink.
Diy Gateway
DIY (DO IT YOURSELF) Gateways are gateways that you can build yourself. They are usually cheaper than commercial gateways, but they require more work to set up.