ADT Security Pro - Home Security Blog

ADT Monitored Cellular Alarm System: DSC Impassa 9057

The DSC Impassa 9057 is a robust wireless home security system and is one of the finest self contained cellular alarm systems available today.  

If you do not have home phone service... no problem. The DSC Impassa 9057 has a built in cellular communicator and communicates directly to ADT Central Station Network without using a traditional phone line.

GSM Cellular Alarm Communicator

There are ADT Monitored Home Security Systems that use a GSM Cellular Alarm Communicator and do not require you to have a landline phone. In the California residential security industry, many new homeowners are deciding to not have a phone line installed in their home and many existing homeowners are discontinuing their current phone service. By just using their mobile phones, customers can eliminate their home phone service and save some money. Customers are asking us if ADT has Monitored Security Systems and Monitoring Services that do not require the use of a phone. ADT does have a couple of options.