Are Radar Detectors Legal in NJ?

Are Radar Detectors Legal in NJ?
Pittsfield Township police officer Brian Kabat uses his radar gun to check for potential speeding violations on Golfside Road between Ellsworth and Packard, Thursday afternoon, September 10th. Lon Horwedel | Ann

 We’ve addressed all your legal queries regarding the legality of the Radar Detectors in NJ below in much detail. 

As the law surrounding the Radar Detector laws in NJ is subject to constant change, we make sure to update our content on a regular basis in regard to such changes. All the info you’ll find below is based on the latest developments regarding, Are laser jammers legal in New Jersey and do NJ cops use laser or radar. We make it our goal to provide relevant & authentic info to help you in achieving legal awareness regarding the subject.

Are Radar Detectors Legal in NJ?

Yes, radar detectors are perfectly legal in New Jersey, with the exception of commercial vehicles. Radar detectors have long been a topic of debate among drivers seeking to outsmart speed traps and avoid costly tickets. In New Jersey, the use of radar detectors is, in fact, legal for private vehicles.

These devices utilize radio waves to detect the presence of radar guns used by law enforcement officers to measure the speed of vehicles. 

Are Laser Jammers also Legal in New Jersey?

Laser jammers are devices designed to disrupt or scramble the signals emitted by laser speed guns. However, in New Jersey, the use of laser jammers is explicitly illegal. Law enforcement agencies and the state view laser jammers as equipment that obstructs the proper functioning of speed enforcement tools. Engaging in the use of laser jammers can result in severe penalties, fines, and potential legal consequences.

Do NJ Police Use Radar or Laser?

Are Radar Detectors Legal in NJ?

To stay ahead of the game, it is important to understand the methods employed by the NJ police in traffic enforcement. Both radar and laser technologies are utilized by law enforcement agencies in the state. Laser speed guns, on the other hand, use pulses of light to measure vehicle speed accurately. NJ police officers rely on both radar and laser devices to enforce speed limits and maintain road safety.

Is it Illegal to Have a Police Scanner in NJ?

Are Radar Detectors Legal in NJ?

Police scanners have long fascinated enthusiasts with their ability to intercept and listen to various radio communications. In New Jersey, owning a police scanner is legal for personal use. Engaging in this practice can lead to distracted driving, compromising safety on the roads.

Can You Put a Police Scanner on Your Phone?

Are Radar Detectors Legal in NJ?

In this digital age, our smartphones have become our constant companions, and their capabilities seem endless. Therefore, it is crucial to refrain from using police scanner apps on your phone while driving in NJ.


Navigating the world of traffic enforcement and staying informed about the legality of radar detectors, laser jammers, and police scanners is essential for every driver in New Jersey. While radar detectors are legal for private vehicles, laser jammers are strictly prohibited. 

NJ police utilize both radar and laser technologies for speed enforcement, and the ownership of police scanners is legal as long as they are not used while operating a motor vehicle.

By understanding and respecting these regulations, we can prioritize road safety, avoid legal repercussions, and make our journeys smoother and stress-free. Remember, knowledge is power, so stay informed and drive responsibly.

E.A. Gjelten
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