![]() ![]() If data don’t pass via the mobile Internet, the hub engages the second SIM-card. If Ethernet is lost, the hub switches to the SIM-card. If you have Hub 2: two SIM-cards from different providers and Ethernet. Use all available communication channels. During installation, remember that the location of the hub must ensure a stable signal strength for all Ajax devices.Ģ. Install the hub in a place hidden from third parties, away from doors and windows. ![]() How to protect the security system from jammingġ. The server will report the problem by sending an alert to the users of the security system and the security company. If the Ethernet connection is absent, the hub will lose communication with the server. In the Ajax apps, you will see that connections via Wi-Fi and 2G/3G/LTE networks are inactive. However, if the robbers have such a broadband interference generator, the Ajax security system will detect a high noise level at Jeweller frequencies and will send the appropriate alerts to the users and the security company via Ethernet (if connected). Interference generators capable of jamming 2G/3G/LTE, Wi-Fi, and Jeweler bands at the same time over a large area (with allowance for the walls, ceilings, and objects that reflect signals inside the premises) are overall and expensive devices that are not available commercially. For communication with security system devices hub uses Jeweller radio technology. Hub uses GSM and Ethernet for connection to Ajax Cloud service and for the transmission of alarms to the user and the security company, and Hub 2 Plus is unique among the security system control panels - it uses four authorized communication channels at the same time: Wi-Fi, Ethernet, and two 2G/3G/LTE SIM-card slots. How the Ajax security system responds to jamming In order to increase the jamming coverage, expensive broadband amplifiers are required, and the creation of such equipment involves specialized skills.
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