Deliberate use of a jammer can land you in jail in the US: http://transition.fcc.gov/eb/jammerenforcement/jamfaq.pdf http://transition.fcc.gov/eb/jammerenforce

Deliberate use of a jammer can land you in jail in the US: http://transition.fcc.gov/eb/jammerenforcement/jamfaq.pdf http://transition.fcc.gov/eb/jammerenforcement/jamfaq.pdf