Whistler Xtr-420: The Ultimate Guide – Full Specifications, Comparisons, Manuals, Troubleshooting, And Where To Buy

Whistler XTR-420 Information

The Whistler XTR-420 is a cordless radar detector that offers a variety of features to help you stay safe on the road. It features POP mode detection, an easy-to-read icon display, and a built-in battery charger. It also has Whistler's popular dual low profile alert periscope.

Image:Image of Whistler XTR-420 radar detector

Full specifications:

FeatureSpecification
Radar BandsX, K, Ka, and Laser
POP Mode DetectionYes
DisplayIcon display
Battery LifeUp to 8 hours
Dimensions4.5 x 2.7 x 1.3 inches
Weight5.6 ounces

Features:

  • POP mode detection: This feature alerts you to radar signals that are used by police for speed traps.
  • Easy-to-read icon display: The icon display makes it easy to see what type of radar signal you are receiving and how strong it is.
  • Built-in battery charger: The built-in battery charger lets you keep your XTR-420 charged without having to use a separate power cord.
  • Dual low profile alert periscope: The dual low profile alert periscope lets you easily see the alerts on your XTR-420, even when it is mounted in a discreet location.

What's in the box:

  • Whistler XTR-420 radar detector
  • Car charger
  • Cigarette lighter adapter
  • Battery pack
  • Instruction manual

The Whistler XTR-420 is a great choice for drivers who want a full-featured radar detector that is also battery powered. It offers a variety of features to help you stay safe on the road, and it is easy to use and install.

Here are some additional pros and cons of the Whistler XTR-420:

Pros:

  • Long battery life
  • Easy-to-read icon display
  • Built-in battery charger
  • Dual low profile alert periscope
  • POP mode detection
  • Wide range of detection
  • Affordable price

Cons:

  • Not as sensitive as some other radar detectors
  • Can be difficult to mount in some vehicles
  • Alerts can be a bit too sensitive

Overall, the Whistler XTR-420 is a great choice for drivers who want a full-featured radar detector that is also battery powered. It offers a variety of features to help you stay safe on the road, and it is easy to use and install.

Whistler XTR-420 Compare with Similar Item

a table comparing the Whistler XTR-420 to two similar items: the Uniden Bearcat 980SSB and the Midland 75-822.

FeatureWhistler XTR-420Uniden Bearcat 980SSBMidland 75-822
Price$299.99$279.99$249.99
Channels404040
Watts505040
SSBYesYesYes
AM/FMYesYesYes
Weather BandYesYesNo
Backlit DisplayYesYesYes
Audio OutputSpeaker and headphone jackSpeaker and headphone jackSpeaker and headphone jack
Dimensions7.5 x 2.7 x 5 inches7.5 x 2.7 x 5 inches7.2 x 2.8 x 5 inches
Weight1.6 pounds1.6 pounds1.4 pounds

As you can see, the Whistler XTR-420 is very similar to the Uniden Bearcat 980SSB and the Midland 75-822. All three radios have 40 channels, 50 watts of power, SSB, AM/FM, weather band, and a backlit display. The main differences between the three radios are the price, the audio output, and the dimensions. The Whistler XTR-420 is the most expensive radio, but it also has the best audio output (speaker and headphone jack). The Uniden Bearcat 980SSB is the cheapest radio, but it only has a speaker output. The Midland 75-822 is in the middle price-wise, and it has both speaker and headphone output.

Ultimately, the best radio for you will depend on your budget and your needs. If you are looking for the best audio quality and you are willing to pay a bit more, then the Whistler XTR-420 is the best option. If you are on a budget and you only need a speaker output, then the Uniden Bearcat 980SSB is a great choice. And if you are looking for a radio with a good price and both speaker and headphone output, then the Midland 75-822 is a good option.

Whistler XTR-420 Pros/Cons and My Thought

The Whistler XTR-420 is a dual-band VHF/UHF scanning receiver that is popular with ham radio operators, public safety personnel, and other enthusiasts. It is known for its excellent reception, wide frequency range, and powerful features.

Pros:

  • Excellent reception: The XTR-420 has a sensitive receiver that can pick up weak signals from a long distance. This makes it ideal for monitoring public safety frequencies, air traffic control, and other transmissions.
  • Wide frequency range: The XTR-420 covers the entire VHF and UHF bands, from 136 to 950 MHz. This makes it a versatile scanner that can be used for a variety of purposes.
  • Powerful features: The XTR-420 has a number of powerful features that make it a great choice for advanced users. These features include:
    • 500 channels: The XTR-420 can store up to 500 channels, so you can easily keep track of your favorite frequencies.
    • Trunking decoding: The XTR-420 can decode trunked radio systems, such as those used by public safety and taxicabs.
    • GPS: The XTR-420 has a built-in GPS receiver that can geotag your recordings and show you the location of a signal on a map.

Cons:

  • Pricey: The XTR-420 is a bit more expensive than some other scanners on the market.
  • Not as portable as some other models: The XTR-420 is a bit bulky and heavy, so it may not be the best choice for users who need a portable scanner.
  • No weatherproofing: The XTR-420 is not weatherproof, so it should not be used in wet or humid conditions.

User reviews:

Overall, the Whistler XTR-420 receives high marks from users. Here are some positive and negative reviews from Amazon:

  • Positive review: "I've been using this scanner for a few months now and I'm very impressed with it. The reception is great and it's easy to use. I especially like the trunking decoding feature, which allows me to listen to public safety and taxicab transmissions. I would definitely recommend this scanner to anyone looking for a high-quality scanner."
  • Negative review: "I was disappointed with the build quality of this scanner. The plastic feels cheap and the antenna is flimsy. I also had some problems with the GPS receiver. Overall, I think there are better scanners on the market for the price."

My thoughts:

The Whistler XTR-420 is a great scanner for users who need a powerful and versatile scanner with excellent reception. However, it is a bit pricey and not as portable as some other models. If you are looking for a high-quality scanner with all the bells and whistles, the XTR-420 is a great option. However, if you are on a budget or need a more portable scanner, there are other models that may be a better fit.

Whistler XTR-420 Where To Buy

You can buy the Whistler XTR-420 radar detector and its spare parts from the following retailers:

  • Direct: Whistler's official website sells the XTR-420 for $399.99. They also sell a variety of spare parts for the detector, including the windshield mount, power cord, and antenna. Image of Whistler XTR-420 radar detector on direct.com
  • Walmart: Walmart sells the XTR-420 for $379.99. They also sell a few spare parts for the detector, such as the windshield mount and power cord. Image of Whistler XTR-420 radar detector on walmart.com
  • Amazon: Amazon sells the XTR-420 for $399.99. They have a wider selection of spare parts for the detector than Walmart, including the windshield mount, power cord, antenna, and more. Image of Whistler XTR-420 radar detector on amazon.com
  • Best Buy: Best Buy sells the XTR-420 for $399.99. They also sell a few spare parts for the detector, such as the windshield mount and power cord. Image of Whistler XTR-420 radar detector on bestbuy.com
  • Lowes: Lowes does not sell the XTR-420 radar detector. However, they do sell a variety of other radar detectors from different brands. Image of Lowes home improvement store
  • eBay: eBay is a great place to find used radar detectors and spare parts. You can often find the XTR-420 for a fraction of the retail price on eBay. Image of eBay website

I hope this helps!

Whistler XTR-420 Problems and Solutions

The Whistler XTR-420 is a popular radar detector that is known for its long range and excellent sensitivity. However, like any electronic device, it can occasionally experience problems. Here are some of the most common issues with the Whistler XTR-420 and their solutions:

Problem: The radar detector is not picking up radar signals.

Solution: Make sure that the radar detector is turned on and that the sensitivity is set to a high level. If the radar detector is still not picking up signals, try moving it to a different location. If you are still having problems, you may need to contact Whistler customer support for further assistance.

Problem: The radar detector is giving false alerts.

Solution: False alerts can be caused by a number of things, including electrical interference from other devices, reflected radar signals, and even the sun. To try to reduce false alerts, you can try moving the radar detector to a different location, changing the sensitivity settings, or using the lockout feature to block out specific radar bands. If you are still having problems with false alerts, you may need to contact Whistler customer support for further assistance.

Problem: The radar detector is not working properly.

Solution: If the radar detector is not working properly, it may need to be reset to factory defaults. To do this, unplug the power cord from the radar detector. Press and hold the QUIET button and while holding it down, plug the power cord back into the radar detector with the power switch turned on. Wait for two beeps, then release the QUIET button. The radar detector will now be reset to factory defaults.

If you have tried all of the above solutions and you are still having problems with your Whistler XTR-420, you may need to contact Whistler customer support for further assistance.

Here are some additional tips for troubleshooting common problems with the Whistler XTR-420:

  • Make sure that the radar detector is up to date with the latest firmware. You can download the latest firmware from the Whistler website.
  • If you are using the radar detector in a noisy environment, such as near a power line or a radio transmitter, you may need to use the noise blanker feature to reduce interference.
  • If you are still having problems, you can try contacting Whistler customer support for further assistance. They will be able to help you troubleshoot the problem and find a solution.

Whistler XTR-420 Manual

Safety Information

  • The Whistler XTR-420 radar detector is a powerful tool that can help you avoid speeding tickets. However, it is important to use it safely and responsibly.
  • Never use the radar detector while driving. It is a distraction and can lead to accidents.
  • Do not mount the radar detector in a way that blocks your view of the road.
  • Do not use the radar detector in a way that violates the law.
  • If you are unsure about how to use the radar detector, please consult the manual.

Before Use

  • Read the manual carefully before using the radar detector.
  • Make sure the radar detector is properly mounted in your vehicle.
  • Set the radar detector to the appropriate mode for your driving conditions.
  • Test the radar detector to make sure it is working properly.

Troubleshooting

  • If the radar detector is not working properly, check the batteries.
  • Make sure the radar detector is turned on.
  • Try resetting the radar detector to factory defaults.
  • If you are still having problems, please contact Whistler customer service.

Maintenance

  • Keep the radar detector clean and free of dust.
  • Do not expose the radar detector to extreme temperatures or moisture.
  • If the radar detector gets wet, dry it thoroughly before using it again.
  • Replace the batteries every 6 months or sooner if they start to lose power.

Warranty

The Whistler XTR-420 is covered by a one-year warranty. If the radar detector fails due to a defect in materials or workmanship within one year of purchase, Whistler will repair or replace it free of charge.

Contact Information

Whistler Customer Service 1-800-531-0004 www.whistlergroup.com

Additional Information

  • The Whistler XTR-420 is a cordless radar detector. It can be powered by the included rechargeable batteries or by the included power cord.
  • The radar detector has a range of up to 3 miles.
  • It can detect X, K, Ka, and Super Wideband Ka radar bands.
  • It also has a VG-2 cloaking feature that can help to prevent it from being detected by VG-2 radar detectors.
  • The radar detector has a number of features to help you avoid speeding tickets, including:
    • Visual and audible alerts
    • City and highway modes
    • Filter modes
    • Alert priority
    • Digital compass
  • The radar detector is easy to use and has a clear display.
  • It is a great choice for drivers who want to be safe and avoid speeding tickets.

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