Uniden R3 Laser and Radar Detector
- Laser plus 10.525, 24.125 and 34.7 GHz bands
- Built-in GPS with mute memory and user marks
- Voice alerts, red light and speed camera alerts
- Multi-color OLED display
- 12 volt DC power
- 1.7 pounds, 4.5 x 2.81 x 1.25 inches
- 1 year warranty
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A GPS-equipped radar and laser detector with voice alerts, red light and speed camera warnings and user marks. Mounting hardware and the power cord are not described, so confirm the box contents.
As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.
ASIN: B0743H6CSNModel: R3Category: Radar Detectors
Overview
A driver on a regular commute gets a detector with built-in GPS that can mark known trouble spots and announce them by voice as the car approaches. A multi-color OLED shows the alerts.
Voice announcements and GPS marks let a driver teach the unit the roads they travel. The limitation is thin detail on accessories, plus a compatibility entry that reads smartphone, which does not match a standalone detector.
Who it's for
Drivers who cover the same stretches repeatedly benefit most, since user marks and mute memory depend on repeated passes. Occasional or rental-car drivers will gain less from the stored locations.
Pros and cons
- Covers three radar bands and laser
- Built-in GPS with mute memory
- Voice alerts and camera warnings
- OLED display in multiple colors
- Cord and mount details not listed
- Compatibility entry reads smartphone
Performance notes
GPS memory works by logging the location of repeat false triggers and known camera spots, then muting or announcing them on later drives. Detection range depends on antenna sensitivity and a clear line of sight, while the voice alerts name the type of signal so the driver does not need to read the display. Learned locations take several passes to build up.
Where it stands among radar detectors
- #3 most-searched brand and model of the 21 radar detectors lines we track (by search demand, not sales).
From the specs of the 23 radar detectors we list; not a test result.
Specifications
| Brand | Uniden |
|---|---|
| Model | R3 |
| Dimensions & fit | |
| Item weight | 1.7 pounds |
| Item Dimensions L x W x H | 4.5 x 2.81 x 1.25 inches |
| Power & efficiency | |
| Power Source | DC |
| Voltage | 12 volts DC |
| Warranty & support | |
| Frequency Bands Supported | 34.7 GHz, 24.125 GHz, 10.525 GHz, Laser |
| Warranty Description | 1 Year Manufacturer |
| Other details | |
| Display Type | OLED |
| Alerts | Voice, red light camera, speed camera |
| GPS | Built-in, with mute memory and user marks |
Closest rivals on specs
Cobra RAD 350 Laser Radar Detector- Frequency Bands Supported 34.7 vs 10.53 GHz (+230%)
- Item Weight 1.7 vs 0.63 pounds (+170%)
Cobra RAD 480i Laser Radar Detector- Item Weight 1.7 vs 0.3 pounds (+467%)
Frequently asked questions
How do I power and place the Uniden R3?
The listing gives DC power at 12 volts. Mounting hardware and cord details are not described, so refer to the manual.
What does the user mark feature on the Uniden R3 do?
It lets you mark spots where you often meet radar, such as school zones or red light cameras, and the detector announces a user mark ahead warning on approach.
Does the Uniden R3 need a smartphone to work?
The compatible devices entry says smartphone, but the listing describes a standalone detector with DC power. Confirm any phone feature with the maker.