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https://ajax.systems/ru/products/hub-2/#specBlock

Maximum number of connected devices - Up to 100
Maximum number of connected radio signal range extenders - Up to 5
Video surveillance - Up to 25 cameras or DVRs
Users - Up to 50
Rooms - Up to 50
Scenarios - Up to 32
Security groups - Up to 9
Communication channels: Ethernet, two SIM cards 2G (GSM900/DCS1800 (B3/B8))
Types of notifications: Push notifications, Phone calls, SMS
Protection class - IP50
Operating temperature range: From −10°С to