Radar jammers are illegal in all 50 states.
Radar jammers/detectors are legal in every state but Virginia and the District of Columbia.
Active radar jammers are illegal in Ohio, but passive jamming is permitted. No -- Radar jammers are illegal in all 50 states.
No they are not legal in any state.
Radar jammers are illegal to own and/or operate in all 50 states per the Federal Communications Commission.
Radar Detectors in Oklahoma: Radar detectors are legal to use in Oklahoma.Laser Jammers in Oklahoma: Laser jammers are illegal to use in Oklahoma.Courtesy of: http://www.1stradardetectors.com/radar-detector-laws.php
Radar detectors are legal in the USA except in Virginia, Washington DC and on all military bases. Radar Jammers are illegal in Nebraska, Minnesota, Utah, California, Oklahoma, Virginia, Colorado, Illinois and Washington DC.
Radar detectors are legal for passenger vehicles in North Carolina. However, they are prohibited for use in commercial vehicles. It is important to note that while radar detectors are legal, the use of radar jammers is illegal in North Carolina and throughout the United States. Radar detectors are devices that can detect radar signals emitted by police radar guns, while radar jammers are devices designed to interfere with or block radar signals.
According to Michigan.gov Radar Jammers have been ruled illegal in all fifty states by the Federal government. In Michigan the state sites says that it's legal to use radar detectors in private vehicles. I take that to mean it might not be legal to use one in a commercial vehicle like a 18 wheeler.
If you are looking to jam the police frequency, you are out of luck in the US. It is illegal to use a radar jammer in all 50 states.
You can get radar detectors from Bestbuy.com and from Amazon.com. You should make certain that these devices are legal in the state you reside. In many places like Virginia they are illegal.
Radar laser detectors and laser jammers are legal to own and operate in passenger vehicles in the state of New York. Currently the only state that it is illegal to operate a radar detector is Virginia and Washington D.C.
They are legal in all states except Nebraska, Minnesota, Utah, California, Oklahoma, Virginia, Colorado, Illinois, and Washington D.C.