While we here at Mechanic Scout do not condone breaking the law, driving over the posted speed limit or otherwise engaging in reckless driving habits, though there are times when it is warranted. It is also helpful to know when you are being monitored for speed, even if you can’t see who is watching you.

The best radar detector will alert you that there is a radar device in use up ahead and allow you the opportunity to make changes to your driving before the radar can see you. This article will look at the 9 best radar detectors, reviewed and compared for all budgets, types, and situations.


Preview

Product

Radar Signal/Bands

Detection Range

Check Price

Cobra RAD 450 Laser Radar Detector: Long...

Cobra RAD 450

X, K, Ka, Laser, V2, POP

2 miles

Radenso XP Radar Detector with GPS Lockouts,...

Radenso XP

X, K, Ka

1 mile+

Beltronics Vector V955

Beltronics

Vector V955

X, K, Ka, Ku, V2, Spectre

1 mile+

ESCORT MAX360 Laser Radar Detector - GPS,...

ESCORT

MAX360

X, K, Ka, V2, Spectre

2 miles+

Cobra RAD 350 Laser Radar Detector - Long...

Cobra RAD 350

X, K, Ka, V2

1 mile

UNIDEN R3 EXTREME LONG RANGE Laser/Radar...

UNIDEN R3

EXTREME

X, K, Ka

2.5 miles

Uniden Uniden R1 Extreme Long Range Radar...

Uniden R1

Extreme

X, K, Ka

1 mile+

Escort Solo S4 Radar Detector - Cordless,...

Escort Solo S4

X, K, Ka, POP

1 – 2 miles

Escort Passport 9500iX - Long Range, Fewer...

Escort Passport

9500iX

X, K, Ka

1 mile+


Why Use Radar Detectors?

Radar detectors are a driving tool used to help you know when you are being targeted for a speed check. Law enforcement uses radar to determine car speed, pulling over cars driving too fast to help maintain the overall safety of everyone on the road.

Sometimes, you may need to speed. Trying to get to the hospital, or the bathroom before an accident, for example. While there technically isn’t a good excuse for disobeying posted traffic signs, it does happen. Using a radar detector will alert you to any use of radar by local law enforcement before the radar can see you so that you have time to slow down if needed.


Choosing a High-Quality Radar Detector

If you have done any research on radar detectors at all, you will have found that the price ranges for the various brands and models are all over the field. While more expensive radar detectors are usually better or more accurate, this isn't always the case. There are a lot of factors to consider besides price. Have a look.

Speed Receptiveness

The receptiveness of the detector is measured in sensitivity. Higher sensitivities provide more reliable signals and more accurate distancing. You will want a detector that checks many times per second in all directions. The speed and responsiveness will go a long way to proving the model you are looking at is high-quality.

Detection Range

There are currently five types of radar bands being used in the US. The X band is the oldest and isn’t used as often anymore. The K and Ka bands are more frequently used for their accuracy and distance. These radar bands can all be used in moving vehicles, through glass and in adverse weather conditions.

The laser band must be stationary and cannot go through glass or other restrictive items (rain, fog, etc.) While the laser band is far more accurate, it is less often used. There is also a POP band, which sends out radar signals in short bursts. This is the hardest to detect but is currently the least often used because of the expense of the equipment. A great radar detector will be able to search for all bands and signals at all times.

Display & Indicators

A radar detector wouldn’t be very good if it didn’t alert you to the presence of radar signals. Almost every detector will have some sort of visual alert, usually in the form of LEDs, either steady or flashing. Better detectors will also have audible alerts, with increasing frequency or noise level as the radar signal gets stronger/closer. Some top-end models have different alert tones based on the type of radar detected or the distance it is from the detector.

Updated Database

Radar and radar detection are ever-changing technology. One will invariably upgrade to thwart the other, and the cycle will continue. Having an updated database means that your detector is always updated with the latest in detection technology. Cheaper models won't have update abilities, and you will either continue to use outdated equipment, or you will need to buy a newer model.

Mounting Style/Location

Radar detectors need a power supply, and the most often used are rechargeable batteries or the 12v port in your car. Because of this, the mounting location needs to be near the 12v supply and able to get a good angle for range detection. Most commonly, radar detectors are mounted using suction cups to the inside of the windshield. However, for those that are looking to be more discreet, dash mounts, or center console mounts are also widely used.

Alerts

One of the latest upgrades in radar is the use of V2 and Spectre. This is a technology that lets the radar know it is being detected. Top-end radar detectors will have V2 and Spectre shielding to prevent exposing the detector.

While it isn’t illegal to have a radar detector (in most cases), it may be in your best interest to not disclose the fact it is being used. When V2 shielding is enabled, you will be alerted when it is activated. Along with other forms of alerts, tones and LEDs will light up or sound off when detection is present. This will include false alarms, or being triggered by shopping centers that use radar to automatically open doors.

Extra Features

To win you over, brands offer extra features to make their models ore appealing. Things like auto mute, cordless installations, road hazard awareness, and other features can be added, for a price, to the more expensive radar detectors. Some of the features may be needed or desired by the consumer. In this case, you should expect to pay a little more. While not every feature is necessary, they do become a creature comfort pretty fast.

Having your detector alert you to road hazards, wrecks, or adverse conditions is a safety feature that should be included. Likewise, false positives are going to occur, and having the system quiet its own alarm in these situations makes the alerts less annoying.

You may also want to look for models that connect to mobile apps. These detectors will have better methods of offering you alerts, such as road conditions, using GPS to determine your speed versus the posted speed limit in that area, and other such features.

Price & Warranty

Price is going to be the biggest factor. With models priced for every budget, you can easily get radar detectors no matter how much you want to spend. However, in a market that gives you what you pay for, the higher-end and more accurate models loaded with extra features you may need will cost you a lot more.

Most radar detectors will also come with a warranty on their functionality. Some even offer a guarantee to work, where they will reimburse you for the cost of a speeding ticket if you get pulled over while using their devices. Just make sure you read the fine print before you buy.


9 Best Radar Detectors Reviewed

Below we offer you the 9 best radar detectors reviewed and compared just for you. Each model here is the best of its kind in a specific area. Depending on your needs, budget, and features required, your next radar detector is somewhere on this list.

1. Cobra RAD 450

Best Radar Detector On The Market

Radar Signal/Bands

X, K, Ka, Laser, V2, POP

Detection Range

2 miles

Display

OLED

Modes

Auto, Normal, Dim

Warranty

1-year warranty

The Cobra RAD 450 is the best radar detector under $200 on the market in many categories, including range, ease of use, and overall customer satisfaction. The sensitivity is high, but not so high it triggers false readings. You will also find that almost everything about this system works as intended.

When I say almost, I mean that there are a few downsides. Not every device is perfect, but this one comes close. The biggest let down is the bi-lingual voice alerts. To help you keep your eyes on the road, the best Cobra RAD radar detector for the money uses voice alerts in English or Spanish.

However, to not be considered "annoying," there is no volume control for the voices, and they are set too low. Unless you are riding in a silent car with the windows up, you may not hear the voice alerts at all. Luckily, there are other alert types such as flashing OLED indicators and audible, volume-controlled tone alerts.

You will get detection in every band used in the US today, including X, K, Ka, laser, and POP. There is even a V2 shielding installed to help prevent being found. While the window mount isn't the most secure, there is only a small scattering of reports of the suction cups failing and dropping the detector. However, it is something you should watch out for.

The 2-mile range is accurate as well, but only on level terrain without turns, hills, or obstacles. In the real world tests, the RAD 450 is accurate to about 1 mile with actual driving conditions considered, still making this the best Cobra radar detector out there.

Pros

  • Detects all US used bands for radar and lasers
  • Simple setup and install our of the box
  • High sensitivity compared to others on the list
  • Easily filters out false positives

Cons

  • Voice alerts are too quiet
  • Mounting may come loose

2. Radenso XP

Best Rated Radar Detector

Radar Signal/Bands

X, K, Ka

Detection Range

1 mile+

Display

Digital LED

Modes

Auto, City, Highway

Warranty

1-Year warranty

If you want the model that has the highest rated reviews, most customer accolades, and approval ratings, then you want the Radenso XP. This is arguably the best rated radar detector in the industry. It is both affordable and simple to use, with a lot of extra features that should raise the price, but don’t.

One of the most intriguing features is called GPS lockout. Essentially, the system learns the constant paths you drive and learns which markers are false positives. Either automatically over time, or manually, you can force the system to learn these points and ignore them in the future so you don't get alerted about the same false trigger ever again.

The sensitivity of the XP is accurate to just over a mile, regardless of terrain or turns. Line of sight range is much better, of course, but either way, you will be notified in plenty of time to slow your speed. The Radenso XP is easily the best radar detector under $300.

Monitoring all bands and even some instant-one ranges, the XP will learn your favorite routes, adjust itself accordingly, and makes the Radenso one of the most reliable, easy to configure detectors available.

The LED screen is also easy to read at a glance and doesn't distract from your driving, which can't be said form a lot of other models. You won't need to determine the slight differences in lights or audible alerts as the screen will clearly show what information you need.

Pros

  • Easy to read LED screen
  • GPS lockout prevents hearing same false alerts every time.
  • Wide band range for detection

Cons

  • Not as easy to set up and use as some other models

3. Beltronics Vector V955

Best Hidden Radar Detector

Radar Signal/Bands

X, K, Ka, Ku, V2, Spectre

Detection Range

1 mile+

Display

280-LED

Modes

Highway, City, Auto

Warranty

1-Year warranty

The Beltronics Vector 955, or V955, is one of the most intuitive and easy to use V2-proof detectors available today. The V2 immunity makes the V955 the best hidden radar detector on the market. Once you get through the install and set up (the instructions aren’t very user-friendly), you will have no trouble with the Beltronics detector in action. Choosing your driving mode, you will be alerted to the alerts that matter the most, all without worrying if your detector is being detected.

Not only does it offer V2 and Spectre immunity, but it has one of the widest band ranges of any top-tier detector in the industry. You get full coverage of the X, K, Ka, and Ku ranges along with some laser and POP detection (if the range is short enough).

Instant-on detection will prove problematic, but this can easily be overlooked with the other, more popular radars in use today. The super-bright, easy to read alpha-numeric LED 9280 lights) will let you know what is going on at all times.

It doesn’t matter if you are driving in wide open and flat spaces or hill country, the 1-mile range is accurate no matter what. While line-of-sight range will always be better, if the radar is on, the Beltronics will detect it.

Pros

  • Sturdy mount and installation
  • Push-button settings keep your eyes on the road
  • Alerts are easily heard over most road noise

Cons

  • POP detection is not as good as it should be
  • Instructions aren’t the easiest to understand.

4. ESCORT MAX360

Top of the Range

Radar Signal/Bands

X, K, Ka, V2, Spectre

Detection Range

2 miles+

Display

OLED

Modes

Auto, City, Highway, Highway2

Warranty

1-Year warranty

If you want the best, most feature-filled detector, this is it. The Escort Max360 is the top of the range when it comes to radar detection. Full-range detection on all the popular bands (X, K, Ka), the system learns your habits, adjusts sensitivity automatically based on your driving conditions and speed, and will alert you up to 2 miles ahead of time.

The automatic adjustment helps prevent false positives and will learn your frequent destination routes, minimizing repeat false positives along the way. The more you drive, the smarter it gets and will even adjust the sensitivity to your speed, so you have the time you need to slow down.

While it may be the best radar detector under $500, it will be challenging to find a batter detector at any price range for all that this one offers. You even get a carrying case to move between vehicles or store when not in use.

The suction cup mount may need to be replaced with an aftermarket model, but out of the box, you won't have any issues with the radar detector staying put. With minimal false alarms, 4 operation modes, and intelligent 360-degree scanning, you can't go wrong.

Pros

  • Simple set up has you up and running in minutes
  • Highly accurate range and sensitivity
  • Automatically adjusts to your speed
  • Minimizes false alerts

Cons

  • Not the best mount for all vehicles

5. Cobra RAD 350

Best Radar Detector Under $100

Radar Signal/Bands

X, K, Ka, V2

Detection Range

1 mile

Display

OLED

Modes

Auto, City, Highway

Warranty

1-Year warranty

The best radar detector under $100 is the Cobra RAD 350. Like the bigger brother model (our top pick, the RAD 450), you will get highly accurate alerts in any condition, at any speed. There are a few missing features that help keeps the cost down but may be a turn off to some consumers.

The Spectre shielding is gone, though the V2 (more popular0 shielding remains. There isn’t any POP detection here either, and like the cheaper RAD model, the Cobra RAD 250, the range is dropped form 2 miles to about 1 mile.

However, you still get the same 3-band detection ranging across the X, K, and Ka bands, along with one of the easiest setups and user-friendly features available. If you are on t a tighter budget, have never used a radar detector before, or are looking for a second model for a vehicle you don't use as often, the Cobra RAD 350 is ideal.

While you won’t get automatic learning, or on the fly adjustments, you can easily program the system for any of the three driving modes, minimizing the audible alerts for false positives and almost negating the detection of the detector.

The suction cup mounts are sufficient, though they aren’t the most eye-catching design. You will be able to use the RAD 350 right out of the box, whether you mount to the windshield or plop it on the dash. As long as the detector has a clear line of sight, it just works.

Pros

  • User-friendly design
  • Sufficient range for most driving modes
  • Ideal for second detector or infrequent use

Cons

  • Not the most accurate of the Cobra RAD line up
  • No POP or laser detection

6. UNIDEN R3 EXTREME

Long Range Detection

Radar Signal/Bands

X, K, Ka

Detection Range

2.5 miles

Display

OLED

Modes

Auto, City, Highway

Warranty

1-Year warranty

If you require long range detection, then you want the Uniden R3 Extreme. With a range well over 2 miles, you will have all the time you need to get your speed under control and still have time left over. The OLED screen will show you the band, detection strength, and frequency of detection so you can easily know if the threat is real or false. The R3 also helps minimize detection with V2 shielding so you can detect, undetected.

One of the unique features is red light camera monitoring. Using GPS sensitivity, the system will alert you to traffic cameras as well as radar detection, all without you having to do a thing. This is good as there is a downside of being difficult to operate while driving.

The buttons are touch-sensitive but are stacked close together, making it easy to hit the wrong one when you aren't looking. With four buttons grouped on top of the unit and another 2 on the front face of the display, your eyes may not always be on the road if you need to make adjustments on the go.

Once you learn the buttons and their functions, their placement won’t matter as much, but if you are just starting out with your first radar detector, this may not be the best model to learn on. For those with more experience, though, you will find that the accuracy, range, and detection alerts far outweigh any negative learning curve it may offer.

Pros

  • Extreme long range accuracy to over 2.5 miles
  • GPS-based red light camera alerts
  • All-band monitoring at all times

Cons

  • Not as easy to learn to operate as other models
  • Picks up other K-band detectors frequently

7. Uniden R1 Extreme

Cheaper Uniden Model

Radar Signal/Bands

X, K, Ka

Detection Range

1 mile+

Display

OLED

Modes

City, Highway

Warranty

1-Year warranty

If you like the idea of the Uniden R3 but don’t want to spend that much, the cheaper Uniden model may be more your speed. The R1 Extreme isn’t as accurate at long ranges as the R3, but will still get you the information you need in plenty of time.

With an accurate range of about one and a half miles, depending on the topography, you can enjoy the peace of mind that comes with knowing you are covered. Like the R3, the R1 model will self adjust based on your speed and will learn frequent false alerts to help minimize their occurrence.

You will also get full band coverage on the three major radar types, though there isn't a POP or laser detection here. Instant-on radars need line of sight to work properly anyway, and a lot of consumers see POP detection as a waste as it is difficult to accurately detect in time to do anything about it. Of course, this is the methodology behind the POP radar methods.

With the Uniden R1 Extreme, you can choose between city and highway modes, and the OLED screen will accurately display the band, frequency, and distance of the radar. Optimal for night or low-visibility driving, you can keep your eyes on the road ahead of you and let the R1 do its job.

Pros

  • Easy to use and set up
  • OLED screen is easy to read in any light
  • Works out of the box with minimal configuration needs

Cons

  • No POP or Laser detection
  • Accuracy drops at higher speeds

8. Escort Solo S4

Best Cordless Radar Detector

Radar Signal/Bands

X, K, Ka, POP

Detection Range

1 – 2 miles

Display

OLED

Modes

Highway, Auto, City

Warranty

1-Year warranty

If you are one of the drivers that dislike in-car distractions, you may want to opt for a cordless radar detector. The best cordless radar detector is the Escort Solo S4. The Solo S4 detects 4 bands of radar (X, K, Ka, and POP) and is accurate to about 2 miles in flat, line-of-sight terrain.

With variable sensitivity controls, you can customize the S4 to your driving style and needs. There are nine programmable settings in all, and the settings are stored in the memory of the system, which lasts through a battery change (or without batteries for up to 10 hours).

The OLED high-resolution display and audible alerts are easy to see, hear, and understand, even without prior radar detector knowledge. Designed for the novice to pro detector user, this Solo S4 is the best wireless radar detector for the beginner as well.

The set up is simple out of the box, and you don't need to do anything to have it work to your advantage. However, as you drive more and use the system more, you can begin to customize the alters, bands, and system configurations to get the exact information you need without hearing alerts for things that you don't need to worry about. The Escort 1-year warranty is also in play, and like all Escort devices, you are protected from malfunctions, tickets, and even insurance increases because of a ticket.

Pros

  • Dependable detection out of the box
  • Long range detection rivals higher-end models
  • Cordless design helps you mount where needed

Cons

  • System settings need some experience to get correct.
  • Mount isn’t as secure as it needs to be.

9. Escort Passport 9500iX

Best Motorcycle Radar Detector

Radar Signal/Bands

X, K, Ka

Detection Range

1 mile+

Display

Monochrome LED

Modes

Auto, City, Highway

Warranty

-year warranty

The best radar detector for motorcycles is the Escort Passport 9500iX. This little beast is easily one of the more favorite designs for first-time users and long time travelers. It has one of the easiest setups around, which requires no configurations out of the box.

Once you mount it and turn it on, it is ready to go. Even better, it uses GPS monitoring to minimize repeat false alerts and comes pre-loaded with hundreds of thousands of red light and camera alerts from all over North America.

You can feel free to jump on the open road and visit new places and not have to worry about what’s around the corner. The Passport already knows what is coming up and will detect instant-on radar as well as the three major bands without much issue.

Some reports claim that when POP mode is activated, the system becomes overly sensitive. However, if you are in an area you frequent, these will become less and less over time. The Passport 9500iX will learn based on GPS positioning, which radar signals are commercial, other detectors, or once to worry about. The buttons are spread out, making it easier to use with gloved hands, and the OLED screen is visible in all lighting conditions, even in blackout mode, where the screen remains dark until there is an alert.

Pros

  • Super easy setup
  • GPS monitoring minimizes repeat false alerts
  • Easy to use with gloved hands

Cons

  • May become overly sensitive in POP mode

How Radar Detectors Work

Radar, POP, and laser devices send out signals. The radar comes from the device, hits your car, and bounces back. The distance and time it takes for the Radar signal to return tells the device how fast you are traveling. A radar detector works by sending out a signal of its own, specifically looking for these signals. When they are detected, the radar detector alerts you that you will soon be in range of the radar signal.

Because radar can be used from three different bands (X, K, and Ka), the detector uses various band detection signals to determine which signal is used, where it is located, and how far away it is from your current location.


Price Guide on Radar Detectors

It is said that you can buy a radar detector no matter your budget. While this is true, you will also find that cheaper models don’t offer you the best detection method or are lacking specific features many find essential. What can you expect from the various price ranges? Let's take a look.

  • Under $50
    The budget models are designed to offer you basic protection and detection. While their range is smaller, and they aren’t generally updated, they are a working detector and can help you avoid speed traps.The ideal use is for someone that wants to know what is going on around them, and not necessarily trying to avoid being caught.
  • $50 to $100
    The mid-tier range is where the bulk of the industry is marketed. These detectors will offer you better range than the sub-$50 models, detect more radar bands, and some will have additional features like volume control, false alert detection, or update abilities.These models are designed for those that drive a lot on highways or byways and want to know if they are being watched.
  • $100 to $200
    The upper end of the spectrum offers you the best of the best. This range of radar detectors gives you pretty much everything you need for a solid investment. They usually have the best range and detection methods and are consistently updated with new software and firmware to stay current.Models in this range tend to last several years without conflict or worry and can be reliable much longer, depending on care and use.
  • $200+ 
    It is difficult to find a radar detector that is priced over $300, though some do exist. However, anything over $200 is considered top-tier and will offer you everything from extreme detection range, to traffic and weather monitoring as well as the use of mobile apps, multiple installation options, and larger guarantees against "being caught." These models are designed for the driver that wants every bell and whistle possible, regardless of the cost. While these radar detectors may not be a “must have” tool, they are handy in many situations

Setting Up & Mounting a Radar Detector

There are two basic types of installation methods for radar detectors. The temporary method is the most common by far. This includes using a bracket mount or suction cups to affix the detector to the dashboard or windshield.

Usually, these models are corded and plug into the 12v adapter of the car. Since the cords aren't very long, the detector is mounted low on the windshield or on the top edge of the dashboard. Battery operated models can mount anywhere, though the center of the windshield is the most common place for higher accuracy and radar detection.

The other installation type is more permanent. Skilled technicians will hardwire the radar detector into the car power supply, and the detector itself is mounted inside the bodywork of the car. Generally, this is installed inside the dashboard, or in an overhead console where it is not easily accessed. Permanent installation is more expensive but deters theft since the detector isn't readily seen from outside the vehicle.


Radar Detector Additional Accessories

Most radar detectors come with everything you need to get up and running right out of the box. However, this doesn’t mean all of the pieces are of the best quality or the most secure. 3rd party accessories can make your purchase even better. Look for items such as power cords with a longer range so you can mount the detector in a different location.

The windshield mounts are generally lack-luster and simple, too (such as using only suction cups). Instead, you may want to purchase a radar detector mounting box, dash mount, or grip-tight mounting option instead of relying on plastic suction cups to hold your investment in place.


People Also Ask (FAQs)

How far away can a police radar detect speed?

Depending on the type of radar being used and the size of your vehicle, radar can detect speed from 0 feet to about 1 mile. The Ka-band has the widest range and can accurately detect the speed of large trucks and semis with trailers at about 1 to 1.25 miles away. However, at that range, the speed can be determined, but the vehicle that is traveling that speed is unknown to the radar operator.

How far do radar detectors detect?

Radar detectors can theoretically detect radar at any distance. However, because the range of the radar itself is finite (about a mile in most situations except from aircraft), the radar detector has about the same range, effectively doubling the distance between you and the radar. So, for example, if a radar is detecting at a range of a mile, the radar detector will pick this up about 1 mile ahead, so you are two miles from the position of the radar signal, or the law enforcement officer using it.

Corded vs. Cordless Radar Detectors. Which is more popular?

Corded radar detectors are more popular for most drivers as they don’t require changing or recharging batteries. However, there is a case for cordless radar detectors being more popular among those that drive multiple cars and need to take the radar detector with them.

Are radar detectors legal in the United States?

With few exceptions, radar detectors are legal. Personal vehicles are allowed radar detectors in every state except for Virginia and in Washington DC, where any use is illegal at all. You are also not allowed the use of radar detectors on military bases. California, Florida, New Jersey, and Pennsylvania allow radar detectors but make it illegal to mount them to the windshield.

What does laser alert mean on a radar detector?

The laser alert found on some radar detectors means that there is a laser band being used to monitor speeds. Instead of radar, a laser sensor is a stationary device, and its range is limited. Once you get the alert, though, you are almost in the laser range. They are highly accurate and very fast. If your detector has laser detection capabilities, you will want to pay attention to it.

Are there built in radar detectors?

There are built-in, or permanent, radar detectors. Though these aren't factory-installed units, they are installed by automotive garages, mechanics, and specialty shops. Instead of having a single detector unit mounted on your dash or windshield, the detectors come in a few smaller pieces that are installed discretely and wired into the car's power supply, making them harder to see by would-be thieves.

What are false alerts on a radar detector?

False alerts are not technically false. A radar detector has the sole job of detecting radar signals. When a signal is detected, you will get alerted. However, many everyday things produce radar signals—automatic sliding doors on shopping entrances, for example. If you are close enough and the door is activated, your detector will alert. However, sophistication in the detection algorithms can determine that the signal is intermittent (such as an opening door) and will alert on the false side since it is not coming from a radar gun.

Are radar detectors the same as radar jammers?

No. Besides radar jammers being illegal, they are different in operation than detectors. A radar detector merely reports the presence of a radar signal from a radar gun. A radar jammer uses a more powerful radar signal to overpower the radar gun’s signal, essentially preventing the radar gun from working properly.


Conclusion

When it comes to choosing the best radar detector for you, there are many options. You have a host of features, abilities, brands, and price ranges to wade through to find the perfect match. It can be overwhelming, to say the least.

If you are still unsure which model is best for you, we suggest you start with our top pick, the Cobra RAD 450. This is arguably the best radar detector on the market, and for the money, the value ratio is very high. You won’t be disappointed in the ease of installation, use, and results from the Cobra RAD 450.