However, using the mobile phone jamming device is illegal in the US, since the radio frequencies used by cell phone carriers are legally protected by the government, similar to the protected frequencies used by television and radio broadcasters. Cell phone companies spend tens of billions of dollars to lease the frequencies from the government, and expect protection from infringement.

While many people find cell phone blocking device fun as a sort of practical joke, there is also a serious side to the debate. The jammers raise a security threat, since criminals could use them to prevent hostages or others from communicating in an emergency.

But in other situations, private businesses have “no cell phone” policies within limited areas to ensure that their employees´ or clients´ concentration is not interrupted. In these places, people shouldn´t be using cell phones in the first place, and the cell phone jammers simply enforce that policy.

Mobile phone jammer is currently being sold on many online stores. When you choose a cell phone jammer, you must first consider whether the using of cell phone jamming device is legal in your country. scienceshops.