By Sarah FechtPosted 11.11.2011 at 11:08 am 2 Comments
As telephone landlines become obsolete, so do the hardwired security systems that rely on them. Cellular modems and Wi-Fi receivers are now so affordable that manufacturers can install them in security devices for a nominal cost. Meanwhile, the proliferation of smartphones means that more people have the ability to receive texts, e-mails and live video from a home monitor.
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