![Florida high school teacher uses signal jammer to stop pupils using cell phones | The Independent | The Independent Florida high school teacher uses signal jammer to stop pupils using cell phones | The Independent | The Independent](https://static.independent.co.uk/s3fs-public/thumbnails/image/2015/06/03/13/deanliptak.jpeg.png?quality=75&width=982&height=726&auto=webp)
Florida high school teacher uses signal jammer to stop pupils using cell phones | The Independent | The Independent
![Headmistress scuppered by red tape as she tried to use mobile phone jamming technology to stop children using internet in class Headmistress scuppered by red tape as she tried to use mobile phone jamming technology to stop children using internet in class](https://www.telegraph.co.uk/content/dam/education/2017/01/17/117147295phonelaptop.jpg)
Headmistress scuppered by red tape as she tried to use mobile phone jamming technology to stop children using internet in class
![Cellphone Jammer: Pocket size mobile phone signal jammers are the next big thing | Daily Mail Online Cellphone Jammer: Pocket size mobile phone signal jammers are the next big thing | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2012/03/02/article-2109548-1202049A000005DC-986_468x286.jpg)
Cellphone Jammer: Pocket size mobile phone signal jammers are the next big thing | Daily Mail Online
![Mobile Cell Phone Jammer Signal Jammer for Meeting Conference Room - China Signal Jammer for Meeting and Signal Jammer for Conference Mobile Cell Phone Jammer Signal Jammer for Meeting Conference Room - China Signal Jammer for Meeting and Signal Jammer for Conference](https://image.made-in-china.com/155f0j00TeJVzMoKSikm/Mobile-Cell-Phone-Jammer-Signal-Jammer-for-Meeting-Conference-Room.jpg)
Mobile Cell Phone Jammer Signal Jammer for Meeting Conference Room - China Signal Jammer for Meeting and Signal Jammer for Conference
![TIL that 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 a violation of federal law. : TIL that 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 a violation of federal law. :](https://external-preview.redd.it/C94GbUB7LKi_96rMz3D1spIaWdg_kAd5NgSL5P-Duz0.jpg?auto=webp&s=1a3da9692ef55d940278a9793ce4146cb703e602)
TIL that 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 a violation of federal law. :
![Cellphone Jammer: Pocket size mobile phone signal jammers are the next big thing | Daily Mail Online Cellphone Jammer: Pocket size mobile phone signal jammers are the next big thing | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2012/03/02/article-2109548-12020492000005DC-159_468x286.jpg)
Cellphone Jammer: Pocket size mobile phone signal jammers are the next big thing | Daily Mail Online
![Fed-up headteacher banned from jamming phone signal at her school because it is illegal and could disrupt locals | The Sun Fed-up headteacher banned from jamming phone signal at her school because it is illegal and could disrupt locals | The Sun](https://www.thesun.co.uk/wp-content/uploads/2017/01/nintchdbpict0002845238261.jpg)