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Uniden R8

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Extreme Performance Dual-Antenna Detector

Uniden's extreme high performance detector, the Uniden R8 reigns supreme in sensitivity and includes a 1-year mfr's warranty.

SAVE on paying sales tax! (for orders shipping outside of Arizona)


Uniden R8 Price:

Stock Status:In Stock

Product Code: UNIDEN-R8



The new Uniden R8 is Uniden's latest dual arrow directional radar detector which provides directional information.

In our Uniden R8 review, we found the radar detector's performance is significantly improved making the Uniden R8 the most sensitive and longest range detector we've ever tested.

Having more than 16 times the capture distance of a police radar gun, the Uniden R8 provides performance often exceeding all other manufacturers' top performing radar detectors at considerably less money making it a very good value.

The Uniden R8 has the largest color display of any radar detector allowing it to display a wealth of information at the same time, including up to five radar encounters simultaneously, time of day, speed of travel, and direction of travel. Uniden R8 accessories include a hardwire kit for those interested in eliminating the use of the Uniden R8's cigarette power adapter. You can read a detailed Uniden R8 review.


  • Most sensitive radar detector currently available
  • Dual LNAs (low noise amplifiers) add significant sensitivity over the R7
  • Dual antenna horns and directional arrows
  • The Uniden R8 provides more advanced digital signal processing (DSP) power
  • GPS with red light and speed camera alerts
  • Free GPS database updates downloadable from Uniden
  • BSM filter to filter out falses of K-band CAS systems
  • Quiet Ride - User set speed auto mute
  • Updatable via USB connection to PC
  • Uniden offers a large, bright, and very readable full color OLED display
  • Multi-function display includes voltage, compass, altimeter, time of day
  • K false filter
  • K Narrow/Wide
  • KA false filter
  • Ka Narrow/Wide
  • Detects MultaRadar (MRCD/MRCT) sources well
  • One of the best detectors of the lethal RedFlex photo radar
  • Cigarette adapter with MUTE KEY and USB JACK
  • Carrying pouch
  • Carrying case
The Uniden R8 has a little better sensitivity than the single antenna version, the Uniden R4.


  • Uniden R8 radar detector
  • Single cup and dual suction cup windshield mounting brackets
  • 12V cigarette power adapter with USB port and mute button
  • Micro USB cable (for firmware updates)
  • Neoprene pouch
  • Carrying case
  • User manual

Why Buy from RadarBusters?

Expertise: RadarBusters is one of the longest operating and most experienced countermeasure-dedicated company in the industry. We are not a big box electronics store that offers everything under the sun. You will find no other company that offers the same level of pre- and post-sales expertise, than us.

Authorized Uniden Dealer: RadarBusters is an authorized dealer for the Uniden R8, so you can be assured that you detector is covered under Uniden's full warranty.

Real Reviews: Unlike the other review websites out there, RadarBusters was founded by Radar Roy, a retired cop and certified traffic radar instructor with over 40 years of experience. Luxury Automotive was so impressed with our high standards and qualifications that they dubbed us the “General Schwarzkopf of radar detectors”.

No Sales Tax: You will not be charged sales tax as long as your order is shipped outside of Arizona.

We Have Answers: Have a question or concern? Please call or email us and we will be happy to assist you. If you think you are having an issue with your product in most cases we should be able to help you resolve it over the phone.

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Average Rating: Average Rating: 4.5 of 5 4.5 of 5 Total Reviews: 46 Write a review »

  0 of 0 people found the following review helpful:
4 of 5 Very good radar detector June 3, 2023
Reviewer: Leo Guy from Derry, NH United States  
Overall very good radar detector and very light in weight, rear antenna is very sensitive on the Uniden R8. Volume level could be louder and build quality could be better and there’s some issues with the Auto-lockouts and Speed reading on the Uniden R8 isn’t always accurate reading 2-3 mph higher than actual speed. Recommend manual locking out false alarms, do recommend the Uniden R8

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  0 of 0 people found the following review helpful:
5 of 5 I just bought another to uniden R8 May 22, 2023
Reviewer: REKHABEN PATEL from Fall River, MA United States  
Good service received on time and way more cheaper than bestbuy

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  0 of 0 people found the following review helpful:
5 of 5 Amazing radar May 13, 2023
Reviewer: Mike Swire from Streamwood, IL United States  
This R8 was an upgrade from the R7 that I already have and I am glad that I purchased it.

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  0 of 0 people found the following review helpful:
4 of 5 Uniden R8 Purchase May 2, 2023
Reviewer: Neil Woida from Clermont, FL United States  
Using your website and based on your recommendations I purchased a Uniden R8 radar detector. I used it for the first time today. Likes: plug and play, easy setup. Intuitive Message screen. Easy to read. Built in GPS. Dislikes: Compared to my Escort 360 and Beltronics Magnum STI it feels flimsy. Sliding the detector in the windshield mount takes a couple tries and is not tight, so it vibrates slightly.

I have high hopes for this detector and it will be getting a lot of use over the summer.

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  0 of 0 people found the following review helpful:
5 of 5 Uniden r8 April 20, 2023
Reviewer: Rick from Delray Beach, FL United States  
Great company to work with. Amazing support very fast answers. Great prices. Very fast delivery FedEx 2 today I can't find anything to complain about
Highly recommend

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