No more so than the use of a cell phone.
http://www.TheSignalJammer.com
http://www.thesignaljammer.com/worldwide-portable-cell-phone-jammer.html
When you use an EMS or cell phone jammer a lower power radio signal is broadcast.this signal is capable of cutting off communication between the cell phone and its base tower.
T-mobile is the best cell phone company service in east bay California.
No, it isn't legal to bug cell phones or jam them.
There are a great list of countries that forbid the ownership and operation of radio jammers. Countries that have decided to ban cell phone jammers include Germany, France, Egypt, Ireland and Iran.
no
It is legal to use on your kid or employee or on a phone you own
There are plenty of foreign companies that are happy to set you up with a cell phone jammer for a few hundred bucks---but you'll swiftly end up in jail. Interfering with wireless communications is a federal crime, no matter how justified your act was.
In most states as long as one party of the conversation, which could be the one doing the recording, has knowledge that they are being recorded, recording a phone conversation is legal.
T-mobile is the best cell phone company service in east bay California.