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Safewatch CellGuard is a service offered by ADT that enables your home security system to communicate with ADT’s Customer Monitoring Centers through the cellular telecommunications networks .

When an alarm or abnormal condition occurs, the communicator sends a coded signal to special receivers at a 24-hour central station to alert station operators to call the appropriate authorities and the building’s management or owners .12 Ağu 2016

A digital alarm communicator acts as a bridge between a fire alarm control panel and a control center relaying critical information . … Digital alarm communicators often require: Remote firmware update and system-level diagnostics.