best radar detector under 100 dollars

Our Top 10 Best Radar Detectors Under $100

best radar detector under 100 dollars

Let’s face it, when driving on a highway, it’s pretty easy to over-speed without even realizing it. As a result, you could find yourself paying those hefty speeding tickets or even entering into the wrong books of the law.

While laser and signal detectors might not be any law enforcement fan favorite, they do help drivers avoid speeding tickets. And you don’t even need to go for the most expensive ones to get the job done; the best radar detectors under $100 are in most cases as effective as those pricey ones although you might have to sacrifice a few features.

With so many of these speed detectors now available in the market, it can be quite difficult to identify one that best fits your needs. Luckily, if you’re are on a budget and in search for an effective detector, you’ll be glad to see our top picks for best radar detectors under 100 dollars in 2018!

Top 10 Best Radar Detectors Under $100

Whistler CR75 review

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Whistler CR75 is without a doubt one of the best whistler detectors under 100 dollars. The budget-friendly model comes with 360 degrees perimeter protection to ensure maximum coverage on the rear, sides, and front. What’s more, this device which is easily best radar detector for less than 100 today boasts has a decent detection range for the four bands usually used for speed measurements; Superwide Ka-band, Laser, X band, and K band. As a result, you get alerted whenever there is a law enforcement officer trying to track your speed.

The Whistler CR75 also comes with a blue backlit OLED display screen that offers different parameters. It can detect multiple signals at once although it will prioritize the most important signal- usually the one within the closest range. And while you may not be after a cool design when looking for a radar detector, you’ll find Whistler CR75 to be not only cool but also compact and portable. The functions buttons and volume controls are perfectly positioned for an easy reach while the blue lights make it appealing to the eye.

What separates it from other models is its distinct handiness especially if you have long trips to handle. Also, perhaps what you’ll love the most about this device is that it comes with the Stay Alert feature that speaks to you after a while to ensure you don’t lose awareness and stay alert while driving. Finally, the price of this build is pretty good, sitting in the $90 range.


  • A reliable detector
  • Rarely detects wrong signals
  • Incredibly lightweight


  • Lacks a thoroughly written manual

Cobra ESD7570 review

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Cobra ESD7570 is another device that made it to our list of best radar detectors under $100 largely due to its cool features for its price. Offering a reliable performance and protection, this unit can detect all frequencies and signals used in Canada and the U.S. It features all that you need in a laser detector, boasting an ultra-bright data display a well as city and highway modes. Better yet, it can be suction cupped to the car windshield.

ESD7570 is one of the best cobra radar detectors under 100 featuring VG2 undetectable, Spectre I undetectable and also boasts a 360-degree detection of laser signals among other functions. If you’re also tired of using detectors that often give false alerts, then this is the model to acquire as it comes with excellent onboard technology to curb such.

Cobra also has this unparalleled ability to offer timely proximity alerts as to where the next officer is, road hazards, traffic warning system and emergency vehicles and so much more.

The standout features of ESD7570 lies in its low profile which means you can use it without worrying about getting caught.


  • Has a safety alert
  • It is specter undetectable
  • Comes with a VG-2 alert


  • Has a relatively weak signal strength

Uniden DFR5 review

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This Uniden long-range radar detector is a cool, affordable option that comes with a variety of handy features. The unit offers a longer detection range that most other radar detectors under 100 dollars can’t reach. DFR5 comes with the Spectre I / IV / IV+ technology which ensures that no one tries to find your frequency.

DFR5 works with an advanced K band filter and this improves its strength to not only detect but also to alert you in case of an emergency radar system and police officers. Its easy-to-operate dot matrix display works without being affected by weather conditions.

Other features that this cheap radar detector comes with include volume knob, dim settings, mute option, setting saver, signal strength meter, and power on self-test.


  • Comes with GPS lockouts
  • K band filter doesn’t affect detection range
  • Excellent at filtering BSM’s


  • Lacks Bluetooth

Cobra XRS 9370 review

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Do you need a reliable radar and laser detector to notify you of necessary checkpoints as you drive? The Cobra XRS 9370 is worth a try as one of the most affordable on this list. Produced by a respected brand, this is a compact unit that not only detects all the US bands but also does so with longer range than most models of its level.

It features the Xtreme Range Superheterodyne technology which is another way of saying that the detector has a remarkable range. XRS 9370 also comes with the LaserEye feature which gives it the ability to conduct 360-degree perimeter protection. Better yet, it boasts an adjustable City and Highway mode to enhance your driving conditions. Cobra XRS 9370 has received numerous reviews from drivers for offering early detection on any directions.


  • It’s budget-friendly.
  • Offers quality detection at such a friendly budget.


  • Some drivers have raised a concern that it can be hard to tell the difference between detection abilities of its two modes; city/highway.

Whistler XTR-265 review

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Are you looking for a compact radar and laser signal that can offer a complete 360-degree protection? The Whistler XTR-265 is a cool option that comes with POP mode safety and accurate safety warning system. This model features the VG-2 technology which helps it go undetected by a majority of police radars.

Unlike most other similar models, this unit offers three city and highway modes which gives you more control over the alerts depending on the environment. This affordable radar detector also comes with a vehicle battery saver mode which ensures that the signal detector goes off when the car shuts off. You may select the quiet and auto-quiet modes and still view the visual cues and alerts.


  • Offers incredible value for your money considering the features it comes with
  • Has a vehicle battery save


  • May sometimes offer false signals


Whistler CR80 review

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This is another model from Whistler designed to cover extra-long range. The Whistler CR80 boasts a 360 degree coverage to ensure you get covered from the front, sides, and the rear. To prevent false positives, this device comes with priority signaling feature which automatically selects the most important signals and displays them.

CR80 also features a total band detection and the Pop Mode to respond to brief bursts of radar. In addition, with a stay alert functionality, this device ensures that you stay awake especially when you’re on long trips. The high-performance device also comes with a bright icon OLED display to show the most important signals.

With the Whistler CR80, you get plenty of filtering thanks to the city and highway modes and Traffic Flow Rejection that sorts signals. It comes with safety warning system that warns the driver of any transmitters. Worried about other radar detector detectors? Don’t worry as the low emission style of the CR80 keeps you undetected while its safety warning system gives you some heads up any time there are transmitters in the vicinity.


  • Offers a 360 degree perimeter protection
  • Has the stay alert feature
  • Offers advanced warnings


  • You may have to deal with a few false positives.

Cobra SPX 900

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The Cobra SPX 900 is another affordable yet ultra-portable radar detector under $100. Like most other tools in its price range, it offers a 360 degrees protection to ensure that any police radar gun stays at your watch. What’s more, it boasts a powerful CPU which is able to scan all police radar guns near your vehicle in less than 240 milliseconds.

As if that’s not enough, the SPX 900 detector is Specter and VG2 undetectable making it functionally invisible while still showing you other detectors in the vicinity.

The laser detector offers an easy-to-understand display that shows the types of bands being detected via unique identification icons. On top of the bright display, there are unique audio tones in case there are circumstances that prevent you from seeing it.

SPX 900 is intelligent enough to detect X, K and Ka radar signals with its warning tone increasing as you get closer to the source to ensure alerts appear in a timely fashion. For less than 100 dollars, this device from Cobra is worth a try.


  • Offers timely alerts
  • Has a bright display
  • Affordable


  • May give occasional false alerts

Cobra RAD 350

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Whether you’re looking something for beginners or advanced users, Cobra RAD 350 is an amazing device that protects you against all police radar and laser guns. This super cool tool comes with Anti-Falsing Circuitry and In-Vehicle Technology which help in reducing false alerts. Besides, it ensures that you get fewer inaccurate signals thanks to its updated IVT filter functionality.

What makes this device even more impressive is the OLED display which offers a clear band identification. The alert feature makes it even easier to understand any signal alerts it produces. Another notable feature you get to enjoy with this device is its ability to switch from English to Spanish and vice-versa for texts and voice alerts. It also has a volume control button and offers a mute and auto-mute button.

Cobra RAD 350 detects all radar signals with bands X, K and Ka and VG-2 signals in a quite accurate way from all sides. The device also comes with the Instant Ready Feature for radar guns that have quick monitoring capacity.


  • Offers voice alerts
  • Clear OLED display
  • Dual Language feature


  • May take a relatively longer time to install.

Whistler CR70

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Whistler CR70 is one of the best radar detectors under 100 for anyone looking for a device supporting voice alerts and with traffic flow signal rejection. The device offers total laser detection and can detect Laser Ally, laser Atlanta Stealth Mode, and LTI truspeed S. On top of this, it comes with the Pop Mode that responds to brief bursts of radar. With it, you get real voice alerts which are verbal for bands received on the icon display.

Whistler CR70 detects all the 4 bands often used the US and Canada today including the superwide Ka band, X band, and K band. The detector offers a 360 degree maximum coverage to ensure that you stay protected from all directions. To reduce false alerts and improve its detection, this unit offers 3 city/highway modes to choose from including City, City 1 and City 2. It also has a quiet mode.

This device has a robust safety warning system that keeps you well informed of any transmission around you while only displaying the most important ones. It boasts a powerful lens that offers a wider field of view and has a longer detection for timely alerts.

This high performance device goes off automatically when not in use to save battery.


  • Supports verbal voice alerts
  • 360 degree coverage
  • Offers timely alerts


  • Not very durable.

Escort Passport S55

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Going for a slightly over $100, Escort Passport S55 offers unique features and a reliable performance that you’d expect from a radar detector of this price range. The device surely won’t fail you when it comes to detecting police laser and radar guns. It offers super long range alerts on bands X, K and superwide Ka band. You can even detect VG 2 devices within your range, thanks to its Pop mode.

The S55 is an intelligent detector with the patented Autosensitivity mode to identify traps from various radar sources. To reduce false alerts, it comes packed with the innovative Traffic Signal Rejection software to sort and filter signals automatically. It’s easy to mount on the vehicle with magnets and sticky suction helping to keep it stable.

And there is more to this radar detector as it boasts a matrix display for crystal clear display of information. Besides, Passport S55 is compatible with Escort Love App which allows you to interact with other users and get real time alerts as reported by fellow motorists.


  • Lightweight and Portable
  • Comes ready to use
  • Has a decent price compared to similar detectors.


  • Lacks a USB port.

Not sure how to install your newly acquired radar detector? Check out this simple video guide;


Traffic fines can be quite hefty depending on the State in which you reside as well as the speed you’re racing at. If you want to avoid getting into such messes, buying a radar detector is a great idea. And you know what, your best unit doesn’t have to cost you a lot of money. It is our hope that our list of top 10 best radar detectors under $100 will reliably help you dodge the police officers perfectly fine.

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