Best Radar Detector Under $100 to Buy in 2020: Top Picks

Best Radar Detector Under $100 -
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Perhaps, you have a bit of a heavy foot when it comes to driving on the freeway. Perhaps, you like to test the limits of your sports car. The bad thing is, if you go even a little over the speed limit, there is always a chance of getting a ticket. In the areas where it is not illegal, you can use a radar detector to see if law enforcement is monitoring you with a radar gun.

However, in the areas where it is illegal to use a radar detector, you may get fined for using such a device. For those drivers who live in an area where it is legal, we have taken a look at some of the best radar detectors available.

Best Radar Detector Under $100 Reviews

The DFR1 Long Range Radar Detector from Uniden

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The Uniden radar detector is a great long-range detector at quite an affordable price. Also, it might save you a lot of money on fines. This is just the device for those people who can’t help but have a heavy foot on the accelerator. This will help prevent you from getting a ticket when you least expect it.


The easy-to-read display will provide you with all the necessary information that you need to keep your bank account intact. This radar and laser detector from Uniden is very easy to use and can be set up easily. Everything you will need to set up and operate this device is included in the package when you purchase it. This is an easy device to use for those times when you need to speed up a bit.

The Uniden radar and laser detector has a long-range detection of about a mile. It also provides you with 360-degree detection. This device will warn you quite a distance in advance and will even show you the signal strength that it picks up. You can be a little more at ease when you have this radar detector. It will prevent the nasty surprise of being pulled over and wasting your precious time.

Uniden’s long-range radar detector allows for easy installation with a dashboard mount or suction to the windshield. This device can be used by even the most technically un-savvy person to protect them from the laser gun monitoring of the law. Even if you can not turn off the X-band frequencies used by older law enforcement devices, it will still protect you. In fact, it will detect both newer and older bands.

This device is powered from the cigarette lighter, so you will always have power connected to it for improved protection. A good feature of this detector is that the specter used by this device is not detectable by law enforcement detectors. This will protect you even in areas where it is not legal to use radar detectors.


  • Easy to read display
  • Has a long-range detector
  • Windshield mount included
  • Powered from the cigarette lighter plug


  • X-band frequency can not turn off
  • No USB support

The RAD 350 Radar Detector from Cobra

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This is a reliable radar detector that will give you true signal detection with much fewer false readings to throw you off. It is much more expensive than the average radar detector in this review, though. However, it also comes with a handful of extra features for your convenience and peace of mind.


This radar detector has a very high-quality display panel. This panel will deflect easily readable readouts for your convenience and for very accurate information. The RAD 350 is an easily installed radar and laser detector. It is very easy to operate and gives a great and fast response on the display. With the instant on-and-ready feature, you don’t need to wait for your radar detector to start up before you can use it.

The Cobra radar and laser detector can be used to detect laser signals from the front, as well as from the rear. This helps to keep you covered from every direction. The voice announcements will help keep you safe, too. You will be able to keep your eyes on the road while it is doing what it should. This radar and laser detector gives you 360-degree coverage for all-around protection monitoring of incoming signals.

This radar detecting device is very easy to set up in your car with an easily mountable suction mount for the windshield. It will give you audible signals, as well. That way, you can keep your eyes on the road while the audio signals tell you what type of signal was detected. The IVT filter system will lessen the chance of false signals by ruling out other signals that may cause false alarms.

This device gets its power source from the cigarette lighter. This means the power stays on for you, so your radar detector won’t die or run out of power. This radar and laser detector device will detect all the radar signals. Of course, this includes the laser signals that are used by law enforcement devices. This quick, responsive detection device from Cobra will certainly keep you on the alert from law enforcement detection.

Read full review of Cobra RAD 350 Radar Detector here.


  • Easy to use and setup
  • Great quality and durable
  • Will detect photo radar
  • Quick response time


  • Has no voice alert
  • Very high price

Radar Detector E8 from GARDWEN

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This radar and laser detector from GARDWEN is very affordable and will be a great investment given the price. Plus, it can help save you from paying fines. A lot of features are included with this radar detector. This gives it the same value as a much more expensive radar detection device.


The very user-friendly radar and laser detector comes with a nice, clear display panel. It has clear readings to warn you before it is too late. This radar detector also comes with voice alert features to warn you when it detects a laser or radar monitoring system. This will give you ample time to reduce your speed. It will also keep you safe with voice alerts so you can keep your eyes on the road.

This radar and laser detecting device will easily detect mobile and stable radar signals from up to 2,500 yards away. You have two mode options to select from, the highway mode and the city mode. With the city mode, other noises will be ignored to prevent false warnings. It gives you an easy button press option to start or stop the radar when needed.

The easy operating of this radar and laser detector makes a great detecting device for a safe detecting distance. It also provides you with 360-degree protection. It makes use of high-performance detecting technology to make it very easy for you to use this speed radar and laser detector. This detecting device is very easy to use and even easier to set up for your radar and laser detecting.

The power cord is included, and you can get the power for this device from your cigarette lighter. That, plus its incredible low price, makes this device very much worth the money. Its high-end drive safety and the fact that it will save you from getting tickets makes it a valuable item. Overall, this radar and laser detecting device is just the right thing for you, and your bank account.


  • Very easy to use
  • Great quality
  • Comes at an affordable price
  • Comes with a windshield mount


  • Sound quality is not good

The DFR5 Radar and Laser Detector from Uniden

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This is a radar and laser detecting device that will give you extra long-distance radar and laser law enforcement device detection. It also uses a very advanced and enhanced K-band filtering technology for quick and easy signal detection. This device will keep you safe from detection so you can reduce your speed in plenty of time.


The DFR5 radar and laser detection device comes with a very easily readable display panel that gives you clear readouts. Easily audible voice alerts are also part of the early warning system that comes with this radar and laser detecting device. It has a nice, quick response time to alert you to reduce speed before law enforcement devices detect your speed.

This radar and laser detecting device comes with a very long-range detection system to warn you very early of any monitoring. The Uniden radar detecting device will help to cancel out unnecessary signals. This advanced band filtering technology will prevent too many false signal alerts. It is also very nicely designed for optimal performance with some great money-saving features.

This radar and laser detector will give you quick response time to keep you from reacting too slowly if being monitored. This will save you lots of money on fines by giving you ample time to respond when law enforcement device monitors are detected. It is easy to use and easy to set up and comes with everything included to get you going.

The power source for this device is easily accessible. It comes with a power cable to connect to the car’s cigarette lighter. This will keep you going without the worry of your device running out of much-needed power. Thus, it will not let you down in an emergency. This radar detector may be a bit pricey, but it will save you money in the long run.


  • Very easy to use and set up
  • A direct wire kit can be purchased for it
  • Will alert you to frequency type detected
  • Voice alert detection


  • A high price tag
  • Has a slightly slow response time

The Laser and Radar Detector Car Kit from Besworld

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This detector offers high performance and extra long-range detection. It is a very affordable radar and laser detection device that is well-made and durable. It is certainly a must-have for all speedsters out there. It comes in a nice color and looks very modern. The device also has a non-slip mat that will keep it safe and secure on the dashboard.


The laser and radar detecting car kit device comes with an easily readable display panel. This will give you a very easy and accurate reading. It also comes with an extremely long detection range that provides a quick, early warning to reduce your travel speed. With a voice alert system, you can keep your eyes on the road, and it will keep you safe.

The radar detecting car kit has a long-range detecting system. It also has a very fast sweeping detection system with quick response time to alert you promptly. The 360-degree detection system gives a very quick and wide coverage. This allows for fast detection and early warning of law enforcement monitoring.

This detecting device will detect any mobile radar monitoring gun. It will also pick up any and all laser and radar gun monitoring devices used by a law enforcement unit. It also has a detection distance of at least 1,500 yards and can go all the way up to 2,500 yards. This will help detect a laser or radar gun in plenty of time.

It is very easy to use and comes with the power cable for the cigarette lighter included. You also get everything else you need to get going. The radar and laser detecting kit allows for city and highway mode to reduce the chance of false detection alerts. This device is worth the money spent on it, and it will save you money in the future.


  • Very easy to use and set up
  • Strong and durable
  • Anti-slip mat included
  • A nice, low price tag
  • Comes with voice alert system


  • Audio of voice alert a bit soft


We want to help keep you from paying too much money on fines or tickets. If you are a speedster and can not resist the temptation to put a heavy foot on the accelerator, a radar detector is just the right device for you. It will detect that police laser gun that is pointing at your vehicle to monitor how fast you are going. Keep more money in your pocket with one of these radar and laser detecting devices.

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