DHS warns of sharp rise in Chinese-made signal jammers it calls 'tools of terrorism'
- On June 18, a federal agency responsible for homeland security issued an alert about a notable increase in the illegal importation of Chinese-made signal jamming devices, which have been linked to criminal activities in several states, including Vermont.
- Officials linked the surge to deliberate smuggling efforts by Chinese manufacturers attempting to bypass customs inspections to supply unauthorized migrants involved in criminal acts.
- Signal jammers have disrupted police communications during crimes such as burglaries and bank robberies, with seizures rising 830% since 2021 across states like Texas and Vermont.
- A DHS spokesperson described these items as terrorism tools and stated that efforts will persist to intercept them before they pose any threat to public safety.
- The warning signals ongoing federal efforts to protect critical infrastructure and law enforcement by cracking down on smuggling and use of signal jammers across the U.S.
56 Articles
56 Articles

DHS warning to cops: 830% increase in seizures of Chinese signal jammers
(The Center Square) – There’s been an 830% increase in the amount of U.S. Customs and Border Protection seizures of Chinese-manufactured signal jammers since 2021, posing a threat to law enforcement operations, according to a new Department of Homeland Security…


DHS Warning to Cops: 830% Increase in Seizures of Chinese Signal Jammers
(The Center Square)–There’s been an 830% increase in the amount of U.S. Customs and Border Protection seizures of Chinese-manufactured signal jammers since 2021, posing a threat to law enforcement operations, according to a new Department of Homeland Security warning. DHS issued the warning to law enforcement saying the increased amount of signal jammers being smuggled into the U.S. poses “a threat to public safety and civilian aviation.” CBP “h…


DHS warns smuggled Chinese jammers pose growing threat
Chinese technology companies are smuggling electronic warfare gear into the United States, posing a danger to civil aviation and public safety, the Department of Homeland Security said in a warning notice. ...
China-made signal jammers being smuggled into US pose threat to police response during crimes: DHS
“Signal jammers have been used by illegal aliens across the country to jam communications during police operations, bank robberies, burglaries, and other dangerous crimes,” a DHS spokesperson said.
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