Cellphone Jamming System Tested At Md. Prison To Combat Smuggling

BALTIMORE (WJZ)– The high-stakes battle continues against inmates smuggling in cell phones as small as a ChapStick or a quarter.
Wednesday, federal prison officials conducted a rare test at a Western Maryland lockup that blocks phone signals.
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It drew the attention of Gov. Larry Hogan.
“This jamming technology is a test for the federal government just to stop these prisoners from conducting these criminal gang activities