The Ajax Hub 2 plus is compatible with the Ajax Motioncam. The hub also has 2 plus all communication channels. Think of Ethernet, Wi-Fi, GSM with, among other things, 4G support. In addition, the Backup battery has been improved. The battery now lasts 15 hours instead of 10 hours in the event of a power failure. The improved hub also accepts two GSM SIM cards instead of one. Also the number of scenarios that can be set is increased to 64!