-All federal courthouses nationwide. Of the top 100 largest retailers in the world, 45 are located in the United States. More than 80 percent of those retailers use some form of ADT security technology in some or all of their locations.
Posted: 8/02/2011 • Link to this review
CellGuard is a digital cellular back-up technology that enables your home security system to communicate with ADT's monitoring centers. This option is best for customers who do not have a landline phone. This is $44.99 only.
Posted: 7/05/2011 • Link to this review