UNIDEN R4 Extreme Long-Range Laser/Radar Detector, Built-in GPS w/AUTO Mute Memory, Voice Alerts, & RDA-HDWKT Smart Hardwire Kit with Mute/Mark Button, LED Alert & Power LED
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Availability:
In Stock.
Arrives
Thursday, Jul 24
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Features
- UNMATCHED RANGE & SENSITIVITY - Industry Leading Performance with Advanced False Alert Filtering is THE choice for drivers who demand the highest level of protection against speeding tickets.
- GPS TECHNOLOGY w/ AUTO MUTE MEMORY - The R4 can remember and automatically mute false alerts (such as retail store doors) along your routes so you never have to listen to the same false alert twice.
- RED LIGHT AND SPEED CAMERA ALERTS - Preloaded Red Light and Speed Camera locations with Free Database and Firmware updates ensures your detector will never be out of date.
- Compatible Uniden Radar Detectors R7 R3 R1 DFR9 DFR8 DFR7 and DFR6
- Simple Installation to hardwire your Radar Detector in minutes!
- Uniden hardwire kit with mute button for select windshield mount radar detectors
Description
Bundle of UNIDEN R4 Extreme Long-Range Laser/Radar Detector, Built-in GPS w/AUTO Mute Memory, Voice Alerts, + Uniden RDA-HDWKT Smart Hardwire Kit with Mute/Mark Button, LED Alert & Power LED
Brand: Uniden
Compatible Devices: Uniden R7, Uniden R3, Uniden R1, Uniden DFR9, Uniden DFR8, Uniden DFR7, Uniden DFR6
Frequency Bands Supported: X, K
Power Source: Direct Wired to Vehicle's Electrical System
Display Type: LED
Voltage: 12 Volts
Other display features: Wireless
Manufacturer: Uniden
Date First Available: March 4, 2022
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Jul 24
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Similar Products
Top Amazon Reviews
Style: Laser Radar Detector
The UNIDEN R4 Extreme Long-Range Laser/Radar Detector is one of the best radar detectors I’ve used, offering excellent performance, reliable alerts, and plenty of features to keep you aware of speed traps and law enforcement presence on the road. Its extreme range and accuracy make it a must-have for anyone who spends a lot of time on the highway. Pros: Incredible long-range detection: The standout feature of the UNIDEN R4 is its exceptional long-range detection. It consistently picks up radar and laser signals well in advance, giving me plenty of time to adjust my speed. Even on wide, open highways, this detector can pick up signals from several miles away, which has saved me from speed traps more times than I can count. Accurate and reliable alerts: The R4 provides highly accurate alerts with minimal false alarms. It does a great job filtering out unnecessary alerts from automatic door sensors and other non-threat sources, which is often a problem with cheaper detectors. The advanced filtering technology ensures you get alerted only when it matters, keeping the ride smooth without constant beeping from false signals. Multiple radar bands covered: The R4 covers a wide range of radar bands (K, Ka, X, and laser), ensuring you’re protected from virtually any radar gun or speed trap. The inclusion of laser detection is a big plus, especially for drivers in areas where law enforcement uses advanced speed detection technology. GPS functionality: The built-in GPS is incredibly useful for storing your driving history, as well as for marking red-light cameras and frequently encountered speed traps. You can also mute alerts in certain areas (like near your home or office) where you know the signals aren’t threats. This further helps reduce false alerts and keeps your focus on the road. Customizable alerts and settings: The R4 comes with a range of settings you can tailor to your driving style. Whether you prefer quieter alerts, different volume levels, or specific radar sensitivity, this detector allows you to fine-tune the experience to your liking. I found the voice alerts to be especially useful as they allow me to keep my eyes on the road while staying informed of any nearby threats. Cons: Learning curve for settings: While the customization options are great, they can be a bit overwhelming for new users. The menu isn’t the most intuitive, so you might need to spend some time with the manual to fully understand and utilize all the features. Once you get used to it, though, the customization becomes a huge advantage. Tips for Use: Mount the detector high on your windshield: For the best range and detection performance, place the detector high on your windshield, just below the rearview mirror. This helps the R4 capture radar and laser signals from farther distances. Regularly update the firmware: Make sure to keep the firmware updated through UNIDEN’s website. The updates improve the filtering, GPS database, and overall performance, keeping your detector current with the latest threats. Customize the settings for local laws: Depending on your area, you may want to adjust the radar bands or sensitivity settings to align with local enforcement methods. This helps ensure you’re only getting the alerts that matter most. Overall Experience: The UNIDEN R4 Extreme Long-Range Laser/Radar Detector has been an absolute game-changer for me. It offers fantastic long-range detection, and its accuracy and advanced filtering system ensure you’re alerted to real threats, not just random signals. The GPS functionality and customizable settings are invaluable, allowing me to personalize my driving experience and further cut down on false alarms. It’s especially helpful for anyone who regularly drives on highways or in areas with heavy law enforcement presence. Though it’s a bit of an investment, the performance and peace of mind make it well worth the cost.
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Reviewed in the United States on September 30, 2024 by Brandon
Style: Laser Radar Detector
The R4 came highly recommended from several radar detector forums if you don't need anything fancy or unnecessary bills and whistles. The uniden update software actually has the ability to be installed on a Mac or PC 👍 and uniden offers regular updates free of charge. There R4 has extremely good range, and once you learn the frequencies in your area you'll know what to primarily listen for. At 85, I was getting initial alerts and after 2 to 3 minutes I'd eventually come across the trooper sitting in the median or driving towards me. I did discover that it will pick up any radar within your immediate vicinity so if you pass a cross street it will get the radar that is perpendicular to you. I do drive through several towns with speed cameras and every time it is alerted me. If you need extra arrows bells and whistles get the r7 or R8. If you just want a highly effective unit get the r4 and then you have the ability to Bluetooth pair to your cell phone Highway app. Lastly there is the ability to utilize your computer to go through and modify all the settings. It's pretty easy but there are probably 100 plus settings that you can manipulate via a laptop.
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Reviewed in the United States on September 25, 2024 by Sandy Sandy
Style: Laser Radar Detector
I got the Uniden R4 after losing my R3 in a wreck , and I have to say, this scanner is a real winner. I’m not a tech expert, but this thing is super easy to set up and use right out of the box. The audio quality is surprisingly clear, which is a big plus when you’re trying to pick up important transmissions. One of my favorite features is its wide frequency range. It picks up everything from local public safety to weather channels, which means I’m always in the loop about what’s happening around town. The scanning speed is pretty quick too—I never have to wait long to catch a transmission. I also appreciate the intuitive interface. The buttons and display are straightforward, and I was able to customize my channel list without any hassle. The build feels sturdy, so I’m confident it will hold up well over time, even if I take it along on trips. All in all, if you’re looking for a reliable, no-fuss scanner, the Uniden R4 is definitely worth checking out. It does exactly what I need without any unnecessary complications.
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Reviewed in the United States on March 20, 2025 by mason m.
Style: Laser Radar Detector
Incredible detector. Detects from very far away. I live in New Jersey so it's completely legal and I have nothing to worry about there. I love the mute memory function because there are a lot of school zone speed signs around my house. It's also very helpful when driving around shopping centers. I have had it for almost 3 months now and it has saved me 2 or 3 times already. I definitely have a heavy foot. I hardwired mine to my 12V "cigarette lighter" fuse and it works like a charm. I mounted it on my windshield above my dashcam on the passenger side of my rearview mirror. It's set up perfectly so that it appears right next to the mirror so it's easy for me to look at. My passengers also tell me it doesn't block their view at all since it's so compact.
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Reviewed in the United States on March 12, 2025 by star
Style: Laser Radar Detector
I have have used the R4 for over a year and agree with others that it is a great RD ... range, auto mute, gps and customization are excellent. When purchased, I moved my older generation Escort to my wife's car -- it still works ok -- but then felt guilty and bought a second Uniden R4 because it is so much better ... best detector for $$$ in my opinion.
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Reviewed in the United States on March 2, 2025 by Kenneth