6 Best Radar Detectors for 2021 Reviews & Buying Guide

While speed limits have been put in place to ensure our safety, it might not be possible to follow them in all circumstances.

But when you do break the law, you have to do it right and ensure you don’t get into trouble. You can be detected by a speed trap and end up with a ticket from the law enforcer.

To prevent this from happening, your best bet is to use a radar detector. A radar detector picks up speed traps well in advance and alerts you. So that you can adjust your speed and get past the speed trap without any trouble.

The key to choosing the right radar detector lies in understanding your needs and driving preferences.

For instance, if you want to use the same detector for different cars, you have to go with a cordless detector. Then there is the question of choosing the right mode based on whether you are driving in the city or highway or urban areas.

The following passage answers all these questions and helps you understand the primary things you need to check while buying the perfect radar detector.

Radar Detector Types: There are three types of radar detectors – corded, cordless, and remote-mount.

The corded detectors provide the best range and are mounted on the windshield via suction cups. The cordless ones can be used for multiple cars and can be installed easily. The remote-mount detectors are permanently installed on your cars.

Depending on whether you want to use the detector for single or multiple cars, you can buy the right one.

Detection Mode: There are two detection modes – Highway and City mode.

Highway mode provides the default level of sensitivity while City mode has decreased sensitivity. When driving through urban areas, it is better to switch to city mode. This will reduce false alarms from similar source signals of radar guns such as automatic door openers.

360-Degree Detection: Some radar detectors come with only one laser sensor. Using this, you can only detect radar guns in front of you. But the ones that come with two laser sensors can detect radar guns to the sides and behind you.

We highly recommend you go with the 360-degree detection radar detectors.

While these are the primary things you need to check, there are other certain features you should be aware of before finalizing the best radar detector. You will find the complete list of these features in the “Buying Guide” section of the article.

But to keep things simple, we have done the work for you. We have prepared a list of the Best Radar Detectors 2021 by considering all the features. Do check it out.

6 Best Radar Detectors 2021

Radar Detector360 degree detectionPower SourceDisplay TypeBuy Now
Uniden R3 Long YesDCOLEDCheck On Amazon
Cobra XRS9370 YesDCOLEDCheck On Amazon
Escort Passport S55YesDCLEDCheck On Amazon
Radenso XPYesDCOLEDCheck On Amazon
Beltronics RX65-RedYesDCLEDCheck On Amazon
Whistler CR70 YesDCOLEDCheck On Amazon

6 Best Radar Detectors 2021: Reviews

1. Uniden R3 Long Range Radar Detector

Uniden R3 Long Range Radar Detector

Uniden is a prominent band that manufactures and delivers state-of-the-art radar detectors, radios, and dash cams. No wonder R3 long-range detector is the first on our list.

The R3 comes with all the essential features you can think of in a radar detector. For starters, it has the advanced false alert filtering feature to prevent false alerts from blind-spot monitoring, automatic garage door openers, and collision avoidance system in other vehicles.

Adding to this, you can mute the common false alert locations using the in-built GPS feature. With this, you will never have to listen to a fast alarm twice. Using the GPS, you can also mark the frequent locations of speed traps or red light cameras.

With the OLED display, you can easily see the alerts and read the displayed information. For discretion and safety, you can switch to the voice alert.

Uniden provides a preloaded database of speed trap locations and red light camera locations that gets updated frequently. So, you can be extra aware of the situation.


  • Long-range and high sensitivity
  • Advanced filtering feature to prevent false alerts
  • In-built GPS to mark locations
  • Preloaded database of speed trap locations and red light camera locations
  • Multi-colored OLED display for clear visibility
  • Voice alerts for discretion and driver safety


  • No protection against radar detector detection techniques
  • No 360-degree detection feature

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2. Cobra XRS9370 Radar Detector

Cobra XRS9370 Radar Detector

Cobra is another prominent brand that provides drivers with reliable communication and safe power solutions. Some of its other products include dash cameras, CB radios, marine radios, and power inverters.

The best thing about the XRS9370 radar detector is that it comes with 360-degree detection. Even when you are taking a curve on the road or have to take a turn, you will still be able to know if there is a speed trap ahead of you. Besides, it has a meter using which you can know the approximate distance to the speed trap.

It has a Pop mode using which you detect the latest radar gun Pop with great accuracy. Besides, you also have the option to switch between highway and city modes to reduce false alarms.

Using this radar detector, you can detect all 14 laser bands with a great deal of accuracy. You get advanced alerts that give you enough time to lower your speed.

If you are living in a state where radar detectors are illegal, then this is the best detector you can have. It can shield against both VG-2 and Spectre detections. You will get a notification when you are under surveillance from this detection technique.


  • Detects all 14 laser bands
  • Dedicate Pop mode for Pop radar gun detection
  • Advanced warning
  • 360-degree detection
  • Highway and City mode to prevent false alerts
  • Shielding against VG-2 and Spectre techniques


  • No in-built GPS
  • Expensive

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3. Escort Passport S55 Radar Detector

Escort Passport S55 Radar Detector

Escort leverages smart technology to develop advanced radar detectors and dashcams with the best-in-class features. The brand has a smart app Escort Live that provides real-time alerts from a large community of drivers.

One of the main benefits of this radar detector is that you can customize all the features based on your driving features. You can change the brightness level, meter type, Power-On indication, and AutoMute.

The Passport radar detector continuously analyzes the signals and automatically changes the sensitivity levels. So, you don’t have to manually switch between highway and city mode. It will change automatically based on the type of incoming signals.

With this detector, you will get voice alerts so you don’t have to take your eyes from the road. You can also hide this in a hidden location in your car.

The radar detector warns you of all radar bands including conventional, K band, superwide Ka-band, instant-on X band, and Pop. Whatever the band the radar gun operates on, the detector picks it up and alerts you.

You get a travel case and a USB cable for powering the device. You can easily install it and use it for multiple cars.

Using the Escort Live app, you can stay a step ahead in knowing where the speed traps and red light cameras are located. The other drivers including yourself can mark the locations. You get access to local speed limit data and other important information.


  • Auto sensitivity – Automatically changes the mode based on speed
  • Detects K band, superwide Ka-band, instant-on X band, and Pop
  • Voice alerts for safety
  • Numerous customizable features
  • Smart app that provides valuable information


  • No in-built GPS
  • No 360-degree detection
  • No shielding against radar detector detection techniques

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4. Radenso XP Radar Detector

Radenso XP Radar Detector

Radenso is one of the leaders in the manufacturing and supplying of radar detectors. The brand takes special efforts to create awareness regarding radar detectors and remove the myths surrounding them.

The XP radar detector has one of the longest ranges sending you alerts several miles before approaching the radar gun.

You tend to get a lot of false alerts from long-range detectors. But not from this one. The detector has a filtering system that differentiates between the signal sources and reduces false alarms.

Besides, it also has the GPS lockout feature that remembers the false alarms. The next time you drive through the area, you won’t receive the same false alarm. You have to press and hold the GPS lockout button to mark a false alarm.

Some of its other features include automatic sensitivity adjustment based on the speed, speed trap database, automatic muting below preset speed level.

Radenso backs all its radar detectors with a 1-year ticket-free guarantee. The brand promises that you won’t receive a speed ticket for at least a year when you start using the detector.


  • Longest range and advanced alerts
  • Automatic sensitivity
  • Differentiates signal sources to reduce false alarms
  • GPS Lockout feature – Marks areas to prevent false alarms
  • Voice alerts and display alerts
  • Comes with a 1-year ticket-free guarantee


  • No in-built GPS
  • No 360-degree detection
  • No shielding against radar detector detection techniques

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5. Beltronics RX65-Red Radar Detector

Beltronics RX65-Red Radar Detector

Beltronics is a relatively smaller brand than the other brands on our list. It offers only a limited number of products but it has put in special efforts to understand the needs of drivers and designs its radar detectors.

The RX65-Red detector comes with a superior detection capability that can pick up X, K, and SuperWide Ka bands. So, irrespective of the band that the radar gun operates on, the detector will detect the signals and you can adjust your speed.

With the digital signal processing feature, you get to know the location of radar guns from a long-range. Besides, the feature also analyzes the source. So, you get fewer false alarms. On top of this, you also have the AutoScan mode that automatically switches between city and highway mode to further reduce false alarms.

If you are living in a state where the detector is illegal, then you will find a great use for the Shadow Technology feature. The feature protects the detector against VG-2 radar detector detection. But you are still prone to be detected by Spectre.

By connecting your smartphone to the radar detector using a SmartPlug power cord, you can customize between 7 selectable features and filter bands.

The radar detector has a special Safety Warning System. You get all important alerts regarding highway construction/maintenance, weather hazards, travel information, and slow/fast-moving vehicles near your driving locality.


  • Advanced auto-scan feature that increases range
  • Detects X, K, and SuperWide Ka bands
  • Analyzes the source to reduce false alerts
  • 7 customizable options controlled by smartphone
  • Shielding against VG-2 technique
  • Safety Warning System that provides important data


  • No in-built GPS
  • No 360-degree detection
  • No shielding against Spectre detection techniques

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6. Whistler CR70 Radar Detector

Whistler CR70 Radar Detector

Whistler has been developing high-range radar detectors for several years now. The brand makes affordable radar detectors that can compete against other high-end expensive models.

With the CR70 detector, you can detect radar guns in 360 degrees including the front, sides, and rear of your car. The detector is capable of picking up signals from all bands including X, K, and SuperWide Ka bands and laser. To detect the latest Pop radar gun, the detector has a dedicated mode that picks up brief bursts of radar.

The radar detector sends voice alerts as well as displays digital alert icons. The LED flashes as soon as it detects a radar gun.

When it detects more than one radar gun, the one that is closest to you will be displayed with a priority alert. So, you will get enough time to slow your vehicle.

It comes with TFSR (Traffic Flow Signal Rejection) features that reduce false alerts from radar-based systems used for monitoring traffic. Furthermore, there are three city modes so that you will receive fewer false alerts.

Instead of the standard power cord, you can connect it to Whistler Intellicord that allows you to control the detector remotely. But, you have to buy the cord separately.

The radar detector comes with the Safety Warning System that provides you valuable information regarding highway safety and the location of transmitters.


  • 360-degree detection
  • Detects X, K, and SuperWide Ka bands
  • Dedicated Pop mode
  • LED flash to alert the closest speed trap
  • Traffic Flow Signal Rejection feature to reduce false alerts
  • Three City modes
  • Safety Warning System


  • No 360-degree detection
  • No shielding against Spectre detection techniques

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Factors to check while buying the Best Radar Detector

This section throws light on more features you need to check while looking for radar detectors. Not every feature may be useful to you. So, understand your needs so that you don’t end up purchasing an expensive radar detector.

Below are the different features you need to look for in a radar detector,

In-Built GPS

With the in-built GPS feature, you don’t just get to know your position and how fast you are driving. But, you can program them to remember areas with frequent speed traps, red lights, and speed cameras, and alert you.

In this way, you have an ample amount of time to adjust your speed before entering the speed trap-prone area.

Besides, the radar detectors can automatically switch between city and highway modes depending on your speed. You do not have to check the mode manually. You can also program it to alert you when you cross a set speed limit for your own safety.

Instant-On Protection

A radar detector can not protect you from an instant-on radar. An instant-on radar will measure your speed instantly as soon as it is pointed at your card. It is near-impossible for any radar detector to give an alert within this timespan.

But, some radar detectors with high K-band sensitivity will detect when the radar is pointed at the car ahead of you. It will send out an alert and will give you enough time to lower your car speed.

Voice and Visual Alerts

Having a radar detector that sends voice alerts will improve your safety. You do not have to take your eyes off the road. But, if you have passengers sleeping in your car, the voice alert will disturb them. In that case, a visual alert would be the best option.

We recommend you get a radar detector that has both options. You can then choose what kind of alerts you want to receive depending on the situation.

Shielding against RDD (Radar Detector Detection)

In some states, it is illegal to use any kind of radar detectors. But that does not prevent people from using it. If you still prefer to use it, you have to opt for a radar detector that can shield against detection.

The radar detectors will shield itself either by becoming invisible or shutting down completely when it senses an RDD device. Before shutting down, the detector will send out an alert so that you can adjust your speed.

There are three RDDs (Radar Detector Detections) to find if you have installed a radar detector or not.

VG-2: One of the oldest RDD techniques that work by detecting oscillations only on a single frequency band. You will find a lot of detectors in the market that can shield against this technique.

Spectre:  Newer technology that can detect oscillations on several frequencies and pickup more emissions from a detector. Even though it is difficult to shield against this technique, you can still find models that will become invisible in the presence of Spectre devices.

VG-2 and Spectre: Ideally, you would want a radar detector that shields you against both VG-2 and spectre. Both techniques are used to pick up radar detectors. So, buy a radar that offers shielding against both RDDs.

Display Type

If you are using a detector that shows visual alerts, then the display type becomes important. With the detectors, you get three main display types such as OLED, LED, and ultra-bright.

We recommend you go with the OLED display as the alerts are visible clearly. But, if you are living in a state where using radar detectors is illegal, it is best to go with an LED for discretion.

Smartphone Compatibility

As with all other electronic devices, you can also connect your radar detectors to your smartphone. Brands offer iOS and Android apps that allow you to connect your radar detector and smartphone together.

You get two main advantages when you connect them together. First, the radar detector will send alerts through your smartphone. This allows your detector to be more discreet.

The second is that you find speed trap locations on your route. The other users will mark the locations when they come across a speed trap. So, you can find the most recent speed locations.


If you want a radar detector that is capable of detecting all speed traps and comes at an affordable price, then Uniden R3 long-range radar detector would be the perfect fit for you.

If you reside in a state where the use of radar detectors is illegal, then the Cobra XRS9370 radar detector is the best option for you. It provides shielding against both VG-2 and Spectre technique. Besides, it has 360-degree detection and comes with a dedicated Pop mode for faster detection.

If you still have trouble finding the best radar detector, let us know using the comments section. We will help you out. You can also post your thoughts and opinions in the comments box.

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