security alarm for homes
This one part panel is easier to install but has one weakness. An intruder entering through the door can tear
it off the wall before the panel finishes notifying the monitoring service. With
a two part panel, the circuit board keeps working even if the keypad is disconnected. With either type of panel, you’ll need a special phone jack called an “RJ31X” to connect the panel to your phone lines. You won’t find professional quality alarm equipment at a local electronics retailer. Instead, fire up your computer and search for “security alarms” or “security systems.