Cellphone Jammers are portable electronic devices that transmit radio waves in order to block cellular phone signals within a limited area.
Disclaimer
- This page includes links to purchase cellphone jammers. Be advised that under the Federal Communications Act of 1934, it is illegal to operate, manufacture, import and advertise cellphone jammers in the United States.Federal Communications Commission: Blocking & Jamming Similar laws apply in many countries, including Australia, Canada, and throughout Europe. Consult local laws before making any purchases.
Limited Legality
Although they are typically reserved for military or law enforcement use,BNET: In a jam: faced with terrorist threats, law enforcement could force a shutdown of cell phone service (April 26, 2004) come countries have made cellphone jammers legal to use in public areas like theaters, churches or other public areas.CBS News: Cell Phone Jammers Keep Peace, Churches, Legislatures, Other Public Places Squelch Cellular Calls (October 14, 2004)
Cell Phone Jammer Retailers
- Phone Jammer: Cell Phone Jammer Products
References
Fast Facts
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Illegal in many other countries as well
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Originally designed for military or police useHowStuffWorks: How Cell-phone Jammers Work
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Broadcasts amplified noise on specific radio frequencies
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Blocks transmissions between cellular networks and cell phones in the area
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Simple jammers will work up to about a 30-foot radiusHowStuffWorks: How Cell-phone Jammers Work
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High-powered jammers can block signals for up to a 1-mile radiusHowStuffWorks: How Cell-phone Jammers Work
