AJAX Hub 2 2G User Manual page 18

If the hub does not connect to the cellular network, use Ethernet to
configure the network parameters: roaming, APN access point, username,
and password. Contact your telecom operator for support to find out these
options.
How to set or change APN settings in the hub
Adding a hub to the Ajax app
1. Connect the hub to the internet and power supply. Turn on the security
central panel and wait until the logo lights up green or white.
2. Open the Ajax app. Give access to the requested system functions to
fully use the capabilities of the Ajax app and not to miss alerts about
alarms or events.
How to set up push notifications on iOS
How to set up push notifications on Android
3. Select a space or create a new one.
What is a space