★Static state current:20mA
★Telephone recording time:20 seconds
★Telephone numbers:Four sets
★Dial method:Audio / Pulse
★GSM frequency:900MHz/1800MHz
★Alarm report input:normally-open relay, normally-closed relay, or 12 DC line
Function:
★Circulatory dialing four telephone, cell phone, or pager numbers, and each phone number could be up to 16 digits.
★Easy programming, parameters and data will be saved and will not lost during power down
★Alarm report dial could be triggered by normally-open relay, normally-closed relay, or 12V DC power supply
★Alarm reporting will include a 20-second recorded voice message and this recorded message could be updated
★Could be used with any alarm reporting system
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