Uniden R8W Laser and Radar Detector
- 34.7 GHz and 24.125 GHz bands listed, plus laser
- 360 degree radar awareness from dual antennas
- Directional arrows and voice alerts on an OLED display
- Wi-Fi, Bluetooth and GPS with the R/TACH app
- Red light and speed camera alerts from a database
- Auto Learn to reduce false alerts
- 12 volt DC, 4.9 x 3.5 x 1.5 inches
- 1 year warranty
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A windshield-mount radar and laser detector with directional arrows, voice alerts and an app, built for long highway runs. The listed bands omit X, so check coverage if that matters in your area.
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ASIN: B0F1DTVB84Model: R8wCategory: Radar Detectors
Overview
A highway commuter gets a windshield-mount detector that uses dual antennas for all-round awareness and shows direction on an OLED display, with voice alerts as well. Wi-Fi, Bluetooth and GPS tie it to a smartphone and a camera database.
Directional arrows plus voice alerts make threats easy to place, and Auto Learn is described as cutting false alerts over time. Dual digital signal processors are listed for faster, more accurate processing. The frequency list is narrow, and the box contents are not itemized.
Who it's for
Frequent highway drivers who like app support and database alerts will use the connectivity and Auto Learn. Buyers who want a rear-facing or dash-recording device, or who need every band confirmed, should check other options.
Pros and cons
- Dual antennas for all-round awareness
- Directional arrows on an OLED display
- GPS with red light and speed camera database
- R/TACH app support
- X band not in the listed bands
- Contents are not itemized
- Corded power only
Performance notes
Dual antennas let the unit judge where a signal comes from, which drives the arrows and voice alerts. Auto Learn builds a record of repeating false sources so they are quieter over time. GPS supports the camera database, while the signal processors set how quickly threats are identified.
Where it stands among radar detectors
- #4 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 | R8w |
| Dimensions & fit | |
| Item Dimensions L x W x H | 4.9"L x 3.5"W x 1.5"H |
| Power & efficiency | |
| Power Source | Corded Electric |
| Voltage | 12 volts DC |
| Compatibility & installation | |
| Connectivity | Wi-Fi, Bluetooth, GPS, R/TACH app |
| Compatible Devices | iPhone, Smartphone |
| Warranty & support | |
| Frequency Bands Supported | 34.7 GHz, 24.125 GHz |
| Warranty Description | 1 year |
| Other details | |
| Display Type | OLED |
| Laser detection | Yes (per title) |
| Alerts | Voice alerts, directional arrows, red light and speed camera |
| Detection coverage | 360 degree radar awareness, dual antennas |
Closest rivals on specs
Valentine One V1 Gen 2 Radar Detector- Frequency Bands Supported 34.7 vs 10.53 GHz (+230%)
Cobra RAD 350 Laser Radar Detector- Frequency Bands Supported 34.7 vs 10.53 GHz (+230%)
Frequently asked questions
How do I install the Uniden R8W?
The description calls it a portable windshield-mount detector powered by a corded 12 volt DC connection. No mounting steps or contents are listed, so use the manual.
Does the Uniden R8W work with a phone?
Yes. It lists Wi-Fi, Bluetooth and R/TACH app support, with iPhone and smartphone as compatible devices.
Is the Uniden R8W a dash cam?
No. It is a laser and radar detector. No video recording is listed.