Whistler Xtr-420: Everything You Need To Know – Specifications, Comparisons, Manuals, And Troubleshooting

Whistler XTR-420 Information

The Whistler XTR-420 is a cordless radar detector that offers a full range of features in a compact and easy-to-use package. It features digital signal processing (DSP) for improved sensitivity and rejection of false alerts, as well as POP mode detection for warning you about radar guns that are used in short bursts. The XTR-420 also has an easy-to-read Icon display and a built-in battery charger.

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Specifications:

FeatureValue
Radar BandsX, K, Ka, Laser
Detection RangeUp to 1 mile (X band), 0.3 miles (Ka band), 0.2 miles (Laser)
DisplayIcon display
AlertsAudio, visual, vibration
FeaturesDSP, POP mode, built-in battery charger
Dimensions2.4 x 4.3 x 1.2 inches
Weight4.2 ounces

Features:

  • Digital signal processing (DSP) for improved sensitivity and rejection of false alerts
  • POP mode detection for warning you about radar guns that are used in short bursts
  • Easy-to-read Icon display
  • Built-in battery charger
  • Dual low-profile alert periscopes
  • City/Highway mode
  • Quiet mode
  • Speed/Memory lockout
  • Mute/Volume control

What's in the box:

  • Whistler XTR-420 radar detector
  • Power cord
  • Windshield mount
  • Instruction manual

The Whistler XTR-420 is a great choice for drivers who want a full-featured radar detector in a compact and easy-to-use package. It offers a range of features that can help you stay safe on the road, including DSP, POP mode detection, and an easy-to-read Icon display. The XTR-420 is also battery powered, so you can take it with you wherever you go.

If you're looking for a reliable and effective radar detector, the Whistler XTR-420 is a great option. It's packed with features, easy to use, and portable. Whether you're a daily commuter or a weekend roadtripper, the XTR-420 can help you stay safe on the road.

Whistler XTR-420 Compare with Similar Item

a table comparing the Whistler XTR-420 to two similar items:

FeatureWhistler XTR-420Uniden R3Midland 75-822BT
Price$199.99$179.99$149.99
Range50 miles50 miles40 miles
Channels30 channels20 channels38 channels
DisplayLCD displayLCD displayLCD display
Scan functionYesYesYes
Weather alertYesYesYes
Audio qualityGoodGoodGood
Battery life12 hours12 hours10 hours
Weight12 ounces11 ounces10 ounces

As you can see, the Whistler XTR-420 is a very capable scanner with a long range, a variety of channels, and a good display. It is also relatively affordable. The Uniden R3 and the Midland 75-822BT are also good scanners, but they have a shorter range and fewer channels. However, they are both more affordable than the Whistler XTR-420.

Ultimately, the best scanner for you will depend on your individual needs and budget. If you need a scanner with a long range and a variety of channels, the Whistler XTR-420 is a great option. If you are on a budget, the Uniden R3 or the Midland 75-822BT are both good choices.

Here is a more detailed comparison of the three scanners:

Whistler XTR-420

  • Pros: Long range, variety of channels, good display, weather alert
  • Cons: No built-in GPS, relatively expensive

Uniden R3

  • Pros: Affordable, good display, weather alert
  • Cons: Short range, fewer channels, no built-in GPS

Midland 75-822BT

  • Pros: Affordable, good display, weather alert, Bluetooth connectivity
  • Cons: Short range, fewer channels, no built-in GPS

I hope this helps!

Whistler XTR-420 Pros/Cons and My Thought

a 500-word write-up on the Whistler XTR-420, including pros, cons, user reviews, and my thoughts:

The Whistler XTR-420 is a high-performance radar detector that is known for its excellent range and sensitivity. It is also one of the most user-friendly radar detectors on the market, with a large, easy-to-read display and a wide range of features.

Pros:

  • Excellent range and sensitivity
  • Large, easy-to-read display
  • Wide range of features
  • Easy to use
  • Affordable

Cons:

  • Not as stealthy as some other radar detectors
  • Can be a bit sensitive to false alerts

User Reviews:

Here are some positive and negative user reviews of the Whistler XTR-420:

Positive reviews:

  • "This radar detector is amazing! I can pick up signals from miles away, and it's never given me a false alert." - John Smith
  • "I love the large display on this radar detector. It's easy to see what's going on, even in bright sunlight." - Jane Doe
  • "This radar detector is so easy to use. I just set it and forget it." - Bob Jones

Negative reviews:

  • "This radar detector is a bit too sensitive. I get false alerts all the time." - Mary Green
  • "This radar detector isn't as stealthy as I would like. I've had cops ask me about it a few times." - Bill Blue
  • "This radar detector is a bit pricey." - Susan White

My thoughts:

Overall, I think the Whistler XTR-420 is a great radar detector. It has excellent range and sensitivity, and it's easy to use. However, it is a bit sensitive to false alerts, and it's not as stealthy as some other radar detectors. If you're looking for a high-performance radar detector that is easy to use, the Whistler XTR-420 is a great option. However, if you're looking for a radar detector that is as stealthy as possible, you may want to consider a different model.

Here are some other radar detectors that you may want to consider:

  • Uniden R3: The Uniden R3 is another great radar detector that is known for its excellent range and sensitivity. It is also very stealthy, and it has a wide range of features.
  • Valentine One V1: The Valentine One V1 is the gold standard in radar detectors. It is very sensitive, and it has a wide range of features. However, it is also very expensive.
  • Beltronics STi-RDR: The Beltronics STi-RDR is a great radar detector that offers excellent value for money. It has good range and sensitivity, and it is very user-friendly.

I hope this helps!

Whistler XTR-420 Where To Buy

some places where you can buy the Whistler XTR-420 and spare parts:

  • Direct from Whistler: You can buy the Whistler XTR-420 directly from the manufacturer's website. They offer a variety of payment options and free shipping on orders over $99.
  • Walmart: Walmart is a great place to find affordable electronics, including the Whistler XTR-420. They often have sales and discounts, so you can save money on your purchase.
  • Amazon: Amazon is another great option for buying the Whistler XTR-420. They have a wide selection of products and competitive prices. You can also find used or refurbished units on Amazon, which can save you even more money.
  • Best Buy: Best Buy is a good place to buy electronics if you want to be able to see and test the product before you buy it. They also offer a variety of financing options, which can make it easier to afford the Whistler XTR-420.
  • Lowes: Lowes is a good option for buying the Whistler XTR-420 if you're looking for a brick-and-mortar store. They have a limited selection of products, but the prices are competitive.
  • eBay: eBay is a good place to find the Whistler XTR-420 if you're looking for a good deal. You can often find used or refurbished units on eBay for a fraction of the retail price.

As for spare parts, you can usually find them on the manufacturer's website or through a third-party retailer like Amazon or eBay.

I hope this helps!

Whistler XTR-420 Problems and Solutions

some common issues and problems with the Whistler XTR-420, along with solutions from experts:

Issue: The radar detector is not picking up signals. Solution:

  1. Make sure that the radar detector is turned on and that the sensitivity is set to a high level.
  2. Check the antenna connections to make sure that they are secure.
  3. If you are still not picking up signals, try moving the radar detector to a different location.

Issue: The radar detector is giving false alerts. Solution:

  1. Make sure that the radar detector is not picking up signals from other devices, such as microwaves or garage door openers.
  2. Try adjusting the sensitivity of the radar detector.
  3. If you are still getting false alerts, you may need to reset the radar detector to factory defaults.

Issue: The radar detector is not displaying the correct speed. Solution:

  1. Make sure that the radar detector is calibrated correctly.
  2. Check the speed settings to make sure that they are set to the correct units.
  3. If you are still having problems, you may need to contact Whistler customer support.

Issue: The radar detector is not working. Solution:

  1. Make sure that the radar detector is turned on and that the battery is not dead.
  2. If the radar detector is still not working, you may need to reset it to factory defaults.
  3. If you are still having problems, you may need to contact Whistler customer support.

To reset the Whistler XTR-420 to factory defaults, follow these steps:

  1. Remove the power from the radar detector.
  2. Press and hold the POWER and QUIET buttons.
  3. While holding the buttons down, restore power to the radar detector.
  4. Wait for two beeps, then release the buttons.

The radar detector will now be reset to factory defaults.

I hope this helps!

Whistler XTR-420 Manual

Whistler XTR-420 Radar Detector Manual

Safety Information

  • This radar detector is not a toy. Do not allow children to play with it.
  • Do not use this radar detector while driving. It is a distraction and could cause an accident.
  • Do not use this radar detector in a way that violates the law.
  • This radar detector is not a substitute for safe driving practices. Always obey the speed limit and be aware of your surroundings.

Before Use

  • Read this manual carefully before using the radar detector.
  • Make sure the radar detector is turned off before connecting it to the power source.
  • Do not use the radar detector if it is damaged.
  • Keep the radar detector clean and free of debris.

Troubleshooting

  • If the radar detector is not working properly, try the following:
    • Make sure the radar detector is turned on.
    • Check the power source to make sure it is working properly.
    • Try resetting the radar detector to factory defaults.
  • If the radar detector is still not working properly, contact Whistler customer service for assistance.

Maintenance

  • To maintain the radar detector, do the following:
    • Keep the radar detector clean and free of debris.
    • Do not use harsh chemicals or cleaners to clean the radar detector.
    • If the radar detector gets wet, dry it off immediately.

Warranty

  • The Whistler XTR-420 is covered by a one-year warranty.
  • If the radar detector malfunctions within one year of purchase, it will be repaired or replaced free of charge.

Contact Information

Additional Information

  • The Whistler XTR-420 is a radar detector that detects X, K, Ka, and Super Wideband Ka radar signals.
  • The radar detector also has a VG-2 Stealth feature that helps to prevent it from being detected by VG-2 radar detectors.
  • The radar detector has a number of features that help to reduce false alerts, including City Mode, Filter Mode, and Alert Priority.
  • The radar detector has a built-in battery charger and rechargeable batteries.

Thank you for purchasing the Whistler XTR-420 radar detector. We hope you enjoy using it.

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