Quote:Quote:
The Federal Communications Commission is charged with enforcing jamming laws. However, the agency has not yet prosecuted anyone for cell-phone jamming. Under the U.S. rules, fines for a first offense can range as high as $11,000 for each violation or imprisonment for up to one year, and the device used may also be seized and forfeited to the government.
Source: http://electronics.howstuffworks.com/cel...ammer5.htm
Looks like the risk of punishment for this is low.
A teacher brought one to a school, and still, the FCC did not intervene:
http://electronics.howstuffworks.com/cel...ammer5.htm
If you were say a bar using a jammer night in and night out, the risk would be much higher. For a mobile, occasional user, the risk must be nil. Looks like there are no pocket devices that are capable though.