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AlarmNet Cellular Backup |
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The traditional alarm system relies upon telephone lines to transmit signals to the central station for emergency dispatch. But what happens when those lines are out of service, or intentionally cut by an intruder?
AlarmNet Cellular backup service uses radio waves to contact the central station. There are no wires to cut, and radio waves are extremely difficult to defeat. AlarmNet Cellular Back-up is a valuable addition to any security alarm system. |
