US law not only prohibits the purchase, sale, wearing, or possession of cell phone jammers, but it also publishes Craigslist advertisements stating that they sell cell phone jammer. Human intervention can result in fines of up to $11,000 and imprisonment of up to one year. The ban on mobile jammers is not new. In fact, this is the moldy old telecommunications law in 1934, prohibiting interference with commercial wireless communications, not only in front of jammers, but also in front of mobile phones. Mobile phone interferometry is different around the world. For example, in the UK and Japan, anyone can have a portable jammer unless they use it. Dozens of countries including Canada, Mexico, New Zealand, Norway, and Turkey allow police and prison personnel to use cell phone jammers.
Bus drivers are not the only disruptors trying to silence people. The FCC investigated the use of cell phone jammers in schools and theaters. Some administrators seem to think that using cell phone jammers is an easy way to prevent students from using cell phones during class hours. Mobile jammers are very popular in theaters to prevent people from using the show during the show. “Some people who use jammers think they can only mute the conversation loudly or disable unnecessary GPS tracking, but a frightened teenager dials 911. You can also prevent the elderly from calling or calling the doctor. They are looking for a Seriously injured place,” Ellison said. “A moment of one’s peace or privacy can become the safety and happiness of others.” Interference waves are a problem because they block unauthorized frequencies that are not interference waves, and it is illegal to interfere with unauthorized frequencies. Jammers can block signals within a range of tens to hundreds of feet.