The RAK7201 WisNode Button 4K is a remote wireless trigger device. It supports user-defined functions for each key and is based on the LoRaWAN® 1.0.2 protocol. Supported LoRaWAN bands are EU868, and US915.
The Button is suitable for a variety of Smart Home applications: Entertainment system control ,Control of Lights, as a Snooze Button for your Alarms, or a Remote trigger. With long range wireless connectivity, amazing battery life, and four programmable buttons, there are a ton of applications this device can fit into.