Letter: Cell Phone Jammers vs. Blockers
Hi Hugh, I just wanted to pass along a quick clarification for readers to a posted review by Scot two weeks ago. After Scot’s great review of the MobileSec cell phone blockers, there has been discussion about cell phone blockers vs. jammers. I wanted to make a few points regarding jammers vs. blockers and the pros and cons of each. Jammers, like the Duke (used by the Army), spam the airwaves to prevent detonations via cell phone or other devices. The reason to use them is “area denial”- blocking all the phones around. The tradeoff: The price is high, Jammers …