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This makes you more organized, secured, and informed even when you’re away. How does it Work?Transmission of signals has been made easy with the use radio waves rather than wires. Picture a conventional phone and a cellular phone. Which one is more convenient?Obviously, you would prefer a cell phone, since it is easy to carry anytime, anywhere. The same concept applies with a wireless home security system. You don’t have to be always present in your hoome to watch out for burglars.

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In addition to your eyes, it can scan your fingerprints or recognize your voice. It's a great choice for people with fat bank accounts who harbor government secrets, but for the rest of us, digital door locks offer a cheaper home security option. Digital door locks can be opened with an electronic "smart key" or a remote, or you can open them by typing numbers on a pin pad. These locks are almost impossible to pick. ADT Home Security: Is Your Home Protected?American District Telegraph Company, now known as ADT, the number one name in home security was established in 1874 when 57 Baltimore telegraph offices became partners. ADT was first a part of Western Union, then ATandT.