Jammer Enforcement | Federal Communications Commissionhttps://www.fcc.gov › general › jammer-enforcement
The use of a phone jammer, GPS blocker, or other signal jamming device designed to intentionally block, jam, or interfere with authorized radio communications is illegal.
Jamming Cell Phones and GPS Equipment is Against the Law ...https://www.fcc.gov › general › jamming-cell-phones-a...
Nov 20, 2015 — We remind and warn consumers that it is a violation of federal law to use a cell jammer or similar devices that intentionally block, jam, or interfere ...
—”Jammer Enforcement”
Occasional and intermittent use only.