LoRaWAN: the cheap and easy way with Raspberry Pi and Dragino
For your IoT experiments, if you want to connect many wireless sensors to your home automation system for example, you need a long range wireless network with low price. And a gateway nearby. Try the Dragino LoRa/GPS_HAT module together with a RPi. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimising consumption... and costs !