S1-W4G-ST data stick is a brand new one of a kind datalogger. This datalogger uses cellular technology to connect to Soliscloud. Not only does it have that, but you can also connect with WIFI. On top of that, the customer can use it as a WIFI stick during normal operations and when the WIFI goes down the datalogger will automatically switch to cellular. This will give you and your customers a seamless connection and a peace of mind