Built-in eSIM
The Space Hub features a built-in eSIM, enabling Airthings devices to send sensor data to the cloud. The eSIM is internal, so even if you open the backplate of the Hub, you won’t see a physical SIM card. While the Hub does include a SIM card slot, this is reserved for special cases and requires a proprietary SIM card provided by Airthings. Standard, locally purchased SIM cards are not compatible and will not work.
Using the cellular connection
To activate the Hub's cellular connection, simply power it on. Once powered, the green Power light will appear, followed shortly by the Cloud symbol turning green, indicating a successful cellular connection.
If you connect an Ethernet cable to the Hub, it will automatically switch to Ethernet mode and disable the cellular connection. Even if the Hub cannot establish a successful connection via Ethernet, the cellular connection will remain disabled as long as the Ethernet cable is plugged in.
Cellular coverage
The eSIM supports worldwide roaming on LTE/4G (Cat-M1/LTE-M) and GSM/2G networks. We have a service agreement with a company called COM4, they have roaming agreements worldwide.
If the Hub is located in an area with limited cellular reception, such as a basement, it can be connected to the internet using an Ethernet cable for reliable connectivity.
Maintaining connectivity
It is essential to keep the Hub powered and connected to the cloud 24/7. If the Hub loses power or goes offline, it cannot transmit sensor data to the cloud, increasing the risk of data gaps.
If you encounter any issues, visit our Hub Troubleshooting Guide for assistance.