Criminals are using cell jammers to disable alarms, but new technology like JamAlert™ can stop them.
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Understanding the Threat
Tech-savvy criminals are using cellular signal jammers to defeat alarm system communications, allowing them to enter stores and other facilities undetected. When jammed, alarm signals never make it to the monitoring center so authorities are never dispatched, leaving business owners, employees and customers vulnerable to a potentially devastating crime. Reports of cellular signal jammers being used in burglaries have been in the news more frequently. Organized criminals target high stakes locations such as jewelry stores, financial institutions and large residences, using a cell jammer to disrupt the security system’s communication.
“Signal jammers have been used…across the country to jam communications during police operations, bank robberies, burglaries and other dangerous crimes,” said a US Department of Homeland Security (DHS) spokesperson.
For example, in June 2025, the Vermont Daily Chronicle reported use of cell jammers during bank robberies. Vermont was highlighted in a statement from DHS warning about these increased occurrences. Other states mentioned in the warning include Florida, Illinois, Ohio, Pennsylvania, Texas and Virginia.
Jewelers Security Alliance (JSA) reported a South American crew was arrested in July during a break-in at a jewelry store in California. According to a statement from the police department, signal jammers had been used during the attempt. The suspects were being tracked as part of an investigation for a previous break-in they had allegedly committed in May.
The High Cost of Cell Jamming
The use of illegal cellular jammers in the U.S. is on the rise — by over 800%, according to the DHS. These jammers can fit in a backpack and render your security system’s cellular communication useless. Since no notifications are sent, authorities don’t realize a crime is in progress until after it’s over. The potential losses are incalculable. Cellular jamming devices have been difficult to detect — until now.
A New Solution: JamAlert
JamAlert™ is a revolutionary new device that alerts your alarm system the moment it detects an illegal jamming attempt, using technology to beat jammers at their own game. And it works with the system you already have installed, making this revolutionary protection easy to add and affordable. Some businesses in the Diamond District have already adopted JamAlert as an extra layer of protection. It’s a security system for your security system.
Early Detection, Greater Protection
JamAlert is available only through authorized alarm dealers. Ask your security provider if they carry JamAlert, or call DMP at 800-200-5494 to find an authorized professional near you. Target the jammers and protect your business by staying ahead of the threat. Every day you delay exposes you to this growing risk. Learn more today.
