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Best Cheap Radar Detectors Under $100 Reviewed

Here’s a fact: every single minute, 78 people in the US alone are slapped with a speeding ticket. We’re not gonna go into details of the fines and court appearances, but you know the drill. It’s a total pain in the pocket and a major hassle.

Do you want that?

Well I, for certain, don’t want it. I’ve been there before. Today, it’s just not worth the hassle anymore. Why subject yourself to possible tickets and fines when there are great options for affordable radar detectors?

My hate for speeding tickets pushed me to try different options for radar detectors, including the cheaper and the inexpensive ones that wouldn’t cost as much. I found that you can get the “protection” you need on the road even with just a $100 bucks or less, and here are my recommendations and reviews for the top 10 most affordable radar detectors under one hundred dollars price tag to help you out!

The Best Cheap Radar Detectors Under $100 Reviews

1 – Cobra ESD7570 9-Band Performance Radar/Laser Detector

Overview

Cobra ESD7570 will provide you superior service among all other radar detectors and if you want to have a precise distance of the radar – it’s a prizewinning appliance. The Cobra ESD7570 tops our list for best radar detectors under 100.

The detector comes together with auto-mute, safety alert, and the possibility to change to city or highway mode. If you want a radar detector which is more convenient than many other options, you will find few better models than this product from Cobra.

Cobra ESD 7570 is ideal for you mostly in the city and for your short drives.

This radar is so much easier to use because the user interface is much more manageable than the interfaces you will find on other radar detectors and that’s why it has very good user reviews.

The icons, which are easy to interpret, ensure that you will always know what kind of radar bands are being used in your area and whether or not you have to worry about them. The meter underneath each of these bands ensures that you will also be able to estimate their range.

PROS:

  • This radar detector cannot be spotted by dedicated equipment
  • Features icons which display the pinpointed radar band
  • This product can also identify any lasers
  • Features a meter which allows you to know the distance of the target radar signal
  • Features 360 degree detection LaserEye
  • Comes included with a power cord and a mounting bracket

CONS:

  • Features a shorter range than some other options
  • The display may be impacted by direct sunlight

The ability to spot lasers ensures that you will not get caught by any laser speed trap backups for radar guns. This detector is a very comprehensive defense system for drivers who are not too fond of speeding tickets. If you want versatility in your radar detector, there are few better options. Cobra ESD7570 can be purchased on the official manufacturer’s website Cobra Electronics.

The only downside that we have found for this radar detector is that it features a relatively short range when compared to other models. If you are hoping to drive on more open roads, you will find that there are radar detectors which are better options than this particular model. This is our favorite, the best radar detector for urban use.

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2 – Whistler CR75 High Performance Laser Radar Detector

Overview

With Whistler first-class quick signals detection you will have the most powerful detector among others which will last you for years. If you want a radar detector which is more capable than many other supreme radar detectors under $100, there aren’t many choices which are more viable than this model from Whistler.

The blue LED display ensures that you will never have issues seeing the screen of your radar detector, even in the harshest of glare.

Whistler CR75 is an excellent choice for the countryside as it features superior range when compared to other models in its category and price range.

The Whistler offers you the ability to detect quick signals that ensure that this model will not be outdated for years to come unless radar detection bands change.

The adjustable volume for this detector means that you will not have to deal with any of the issues that you get with most other radar detectors that can tend to get annoying in the car. The whole user interface of this radar detector is simply a joy to use, unlike other models.

PROS:

  • Features a blue LED display for improved visibility.
  • It provides superior range when compared to most competing models.
  • Features speed detection radar for the identification of quicker signals.
  • Capable of recognizing a wide range of radar bands.
  • Features adjustable volume for more comfortable use.

CONS:

  • A little more expensive than some options.

Most of the users noticed that this Whistler is very good at recognizing false signals. The number of radar bands that can be caught by this model is quite impressive. Some of the newer radar bands, which are meant to be more difficult to pick up, are much easier to spot with this model.

If you want a radar detector that is versatile, modern, and useful, this product is a great purchase that is worth your money. It comes with a clip mount, windshield mount, and power cord. It can be purchased either on Amazon or at Walmart.

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3 – Cobra Electronics RAD450 Radar

cobra rad 450 review

Overview

According to Cobra RAD450, you may forget about false signals and with extra money get the best class radar detector among similar top detectors under 100 bucks. If you want a radar detector which is powerful enough to get the job done with ease and you don’t mind spending a little bit of extra money, you will love this product from Cobra. This detector comes with an anti-false circuitry, OLED display and voice alert.

The ability to uncover signals of all types, not only various radar bands but also VG-2 detectors and lasers, makes this product very versatile.

This radar detector comes included with a filter system that allows it to disregard any signals that could raise false positives. For example, collision detection systems and certain types of cruise control can set off other radar detectors.

You are better off using a detector that can avoid these false positives. This Cobra might be your best radar detector under $100 if the price and the quality matter to you.

The Cobra detector gives you a list of radar sources that create false positives that can be updated manually by the user to ensure that it is always up to date. This makes your radar detector much more useful in the real world as you can always be relatively sure that a radar source is a reason to slow down, and not anything else.

PROS:

  • This product can detect radar signals, VG-2 detector signals, and lasers
  • Lasers can be spotted from both the front and the rear
  • The filter system can be updated by the user to reduce false positives
  • Features an alert system with voice alerts
  • Features an instant-on capability which improves the ease of detection

CONS:

  • This model is a little more expensive than some of the competition

This model also features a voice alert system. This system ensures that you will always be able to pay attention to the road and your radar detector at the same time without putting yourself at risk. Safety is always an important consideration, and this is a relatively safe product.

Cobra is one of the better makers of radar detectors, so you can rest assured that this product will provide you better service than some of the competition. Among the price range, customers say that Cobra RAD450 is a solid and very useful radar detector. The product can be purchased online through the Cobra Electronics website.

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4 – Whistler XTR-145 Laser Radar Detector

Overview

Whistler XTR-145 Laser Radar Detector is a much affordable device for what it offers: mainly, 360 degrees of protection from laser and radar (X, K, and Ka) bands. It can also detect VG-2 and alert the user through its clear and bright icon display. Other indicators in the display include city mode, radar band identification, power, and signal strength.

The addition of VG-2 Cloaking makes this device an even more special detector to use, especially when it can be invisible to the known radar detector detector, VG-2. This way, police enforcers wouldn’t detect that there is a radar detector installed in your vehicle, and you can drive away unnoticed.

This device has different driving modes, Highway mode for a full experience of visual and audio warning systems and 3 more City modes

While on City Mode, annoying alerts and false threats can be minimized as these modes reduce the sensitivity of the detector to burglar alarms and automatic door openers.

PROS:

  • Protection for up to 360 degrees (front, rear, and sides)
  • Detects most common radar signals: Superwide Ka-band, K-band, X-band, as well as lasers
  • Visual display and audio alerts are clear
  • The additional visual alert provided by alert periscopes via LEDs
  • Features VG-2 detection
  • Comes with power cord, windshield bracket kit, and user guide

CONS:

  • The volume of alerts can be too weak, especially for motorcycle use
  • Gives alert for blind spot sensors, hence, more false alerts

Another thing we laud this model for is its ability to discern among all alerts, called “Alert Priority”. This ensures that when two or more signal is received by the detector at the same time, it would know what to alert the user first: Laser, then VG-2, then Speed Radar, and lastly, Safety Radar.

While there can be issues when it comes to the loudness of the audio alerts when used when the windows are rolled down or when driving a motorcycle, it does pretty well when you’re driving normally with all windows closed. With its price point, the loudness issue can be pretty much easily compensated with its other features.

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5 – Cobra SPX 900 Radar Detector

Overview

The Cobra SPX 900 Radar Detector is part of Cobra’s SPX series that aimed to double the warning time and detection of the brand’s previous models. This particular Cobra radar detector offers an extended range compared to others of its price point and gives an impressive advanced warning to its users.

SPX 900 can protect you from almost all radar/laser gun presence, even those with POP Mode (Super-fast) Instant-on feature.

Its compact design can give VG-2 and Spectre protection as well.

What users love about this device is the convenience of use that is given. From its bright display, to clear tone alerts, the driver won’t have to worry of ever missing out the notifications from this device.

PROS:

  • IntelliMute and Ultrabright Data Display
  • VG-2/Spectre Radar Detector
  • Maximum Range Detection, Safety Alert
  • Compact Design
  • Detects POP Mode Instant-on Radar Guns
  • Ku-band Detection / Safety Alert

CONS:

  • Can have false alerts on new cars’ proximity warnings

In terms of lessening annoying fake notifications, the Cobra SPX 900 gives the option of changing the device’s filtering modes from Highway to City, to lessen its sensitivity to signals from establishments and other cars.

Other additional but very helpful features packed onto this affordable radar detector are the IntelliMute/IntelliMute Pro, LaserEye, Safety Alert, and Auto/Manual Mute. These all make the experience of driving with Cobra SPX 900 a ‘safe’ and worry-free ride, all for a good value.

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6 – Uniden LRD750

Overview

Invisible and with high 360 degrees protection, Uniden LRD750 is your winning choice offered for the similar price range, and probably is the best radar detector under 100 dollars. If you want to get a good radar detector out of a humble budget, then this model is the perfect choice to keep your driving secured from speeding tickets.

Right off the bat, you’ll be impressed with the bright display of its OLED screen, which makes the reading of alerts a quite nice experience. For hassle-free warnings, this device features voice alerts too.

With this model, you won’t be encountered by VG-2, Spectre I and Spectre IV RDDs – which is impressive as even pricier ones do not give such wide-range protection.

For a radar detector with its price, this model fares quite well in keeping its presence undetectable by the police. This detector offers the best possible range. Four out of five customers say they would recommend this radar detector.

PROS:

  • This device can provide 360 degrees of protection from all radar and laser guns
  • It can filter out false signals through the city and highway mode options
  • This product stays invisible from many common radar detector detectors (RDD)
  • Features voice alerts and an alpha-numeric dot matrix display for clear warnings that can be easily understood by the driver
  • Feature a POP™ Mode Detection

CONS:

  • There is a tendency for alerts to lag, with the slow warning processing of this product.

Although, it’s important to know that the alerts of this device aren’t 100% right on the dot, with its slow feedback and warning processing. The lag time is only usually a few seconds, but it can affect your experience.

Note that despite the slow warnings, this product has a good system that filters out false alerts. This takes away the stress of dealing with too many alerts and noisy car rides.

It can also mark locations where you usually get many radar transmissions, to remind you next time you pass by that same area. The radar detector can be purchased online on Amazon or Walmart store.

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7 – Uniden DFR1 Long Range Laser/Radar Detector

Overview

The Uniden DFR1 is one reliable radar detector that fulfills most needs of every driver in the highway, even with its value and it being at the lower end of the market. Many were blown away by its accurate, wide-ranging, and seemingly false-free device, especially when it costs below a hundred bucks.

The Uniden DFR1 manages well with signal detections, especially with common signals from radar guns.

It alerts the user right away through its audio alerts and then determines what band range the signal is coming from.

PROS:

  • Long Range Detection Capability
  • Can protect from X, back, and Ka-band alarms
  • Crisp and clear pop and laser alert alarms
  • Options to drive with Highway/City/City 1 modes

CONS:

  • This model lacks traffic sensor filters

The Uniden DFR1 performs almost as well as its other much expensive brothers, the DFR6 & DFR7, only it lacks traffic sensor filters. It displays the type of frequency it detects on its display, whether it’s x, K, KA, or L.

It also indicated the signal strength (1-5) so the driver knows approximately how near or far the source of the signal is. This way, cautionary actions can be calculated even more, with even more assurance of no speeding violation.

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Conclusion

If you want one of the most affordable radar detectors around but you don’t want something which amounts to an overpriced paperweight, this guide should help you out. If you a little higher budget, check ours under $200 series. We hope that we have managed to give you a good idea of how effective these individual models are, feel free to ask us anything in the comments below.

William

This article is written by William Johnson, the founder of RRD. William is passionate about radar detectors. His interest in reviewing and testing radar detectors from different brands started nearly 10 years ago, when his own radar detector then (a cheap and brand-less detector he bought online) failed to detect and radar gun nearby.
William

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