GSM Auto Dialer For Fire Alarm Systems .ATSS Chennai India.
The Active GD GSM Auto-Dialer is a versatile unit which can be attached to all brands of Fire alarm systems it will alert you using GSM technology and send you a textRead More…
The Active GD GSM Auto-Dialer is a versatile unit which can be attached to all brands of Fire alarm systems it will alert you using GSM technology and send you a textRead More…