http://sun-jr.livejournal.com/ ([identity profile] sun-jr.livejournal.com) wrote in [personal profile] yostrov 2016-09-26 12:11 am (UTC)

Ну там два стандартных пути подключения сигнализации: телефонная линия, практически обычный модем, и мобильная связь. Наверное возможны другие варианты, но это стоит совершенно и абсолютно других денег.
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