Ajax Systems is a security systems maker founded in Kyiv, Ukraine in 2011, now headquartered through Ajax Systems Cyprus Holdings LTD in Nicosia, Cyprus, with subsidiaries across the EU. It builds wireless alarm systems around its own Jeweller radio protocol, including hubs, keypads, door and window contacts, motion detectors, smoke and leak sensors, and video verification cameras, sold mainly through professional installers and distributors rather than big-box retail. Ajax systems are EN 50131 Grade 2 and UL 1023 certified and route through professional monitoring stations over Ajax's own protocol rather than a single consumer smart home platform.
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USACove makes DIY home security systems: a hub with a siren, a separate touchscreen alarm panel, door and window sensors, motion sensors and the Cove Connect app. Professional monitoring is a subscription, and the hub can fall back to a cellular link when it is not plugged into a router. The company is Cove Smart, LLC, based in the United States.
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