There are legal issues involved in using and selling cell phone jammers. It is legal with some restrictions in a few countries however, illegal in countries like US, UK, Australia etc. Some of the radiocommunication services that are affected by cell phone jammers are:
Multichannel voice communication that use point-to-point data transmission
Broadcasting links
Studio-to-transmitter links
Cordless telephones
Wireless LANs
Low-power devices
United States of America
Cell phone jammers are illegal in the US. The Federal Communication Commission of United States, outlawed the use and sale of cell phone jammers. The spectrum of the air waves is licensed and using it, is illegal. According to the section 302 a(b) of the Telecommunications Act of 1996, FCC declared that cell phone blocking is illegal. The section 333 of Communications Act of 1934, strictly declares that “no person shall willfully or maliciously interfere with or cause interference to any radio communications of any station licensed”. A cell phone jammer is one of the devices mentioned in this act. The main reason why cell phones are made illegal by FCC is because many cell phones are used to call 911 services during emergency. The requirements of Enhanced 911 regulations of FCC “are intended to improve the reliability of wireless 911 services, by requiring wireless carriers to provide emergency dispatchers information on the location from which a wireless call is being made”. However, cell phone jammers are used by police and military forces. If a person in the US, illegally possesses a cell phone jammer, he will fined with $11,000 or 1 year imprisonment. READ MORE