Uniden
Uniden R4
7.1Dashlore Score
Ranked #12 of 26 radar detectors we track.
A front-facing GPS radar and laser detector with automatic false-alert learning, MultaRadar detection and a multi-color OLED. It suits drivers who want GPS lockouts and low-power photo radar alerts in a single-antenna unit.
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Strengths
- Auto Mute Memory with up to 1,750 GPS lockout points
- Detects MultaRadar CD/CT and Gatso RT3/RT4, with Ka segmentation
- Two low-noise amplifiers and a K Block filter for car safety systems
- Manufacturer claims Spectre I/IV undetectable
- Works with Uniden's R/TACH phone app
Watch out for
- No rear antenna or directional arrows listed
- Sold out on uniden.com when checked
Score breakdown
How the Uniden R4 scores: 7.1/10Methodology
- Front + rear antennas14% weight1
- Directional arrows14% weightNo
- MultaRadar (MRCD) detection14% weightYes
- GPS14% weightYes
- Auto false-alert lockouts14% weightYes
- Ka segmentation7% weightYes
- Camera database7% weightYes
- RDD stealth7% weightYes
- Phone app / connectivity7% weightUniden R/TACH
Full specifications
| Brand | Uniden |
|---|---|
| Model | R4 |
| X band | Yes |
| K band | Yes |
| Ka band | Yes |
| Laser | Yes |
| Cordless | No |
| Remote mount | No |
| MultaRadar CD/CT detection | Yes |
| Directional arrows | No |
| Antennas | 1 |
| GPS | Yes |
| Auto lockouts | Yes |
| Camera database | Yes |
| App | Uniden R/TACH |
| Ka segmentation | Yes |
| Stealth vs. radar-detector detectors | Yes |
| Display | Multi-color OLED |
| Voice alerts | Yes |
Specs last checked 2026-10-23.
How it compares
| Spec | Uniden R4 | Radenso RC M | Uniden R4w |
|---|---|---|---|
| Score | 7.1 | 7.1 | 7.1 |
| Front + rear antennas | 1 | 2 | 1 |
| Directional arrows | No | Yes | No |
| MultaRadar (MRCD) detection | Yes | Yes | Yes |
| GPS | Yes | Yes | Yes |
| Auto false-alert lockouts | Yes | No | Yes |
| Ka segmentation | Yes | Yes | Yes |
| Camera database | Yes | Yes | Yes |
| RDD stealth | Yes | No | Yes |
| Phone app / connectivity | Uniden R/TACH | none | Uniden R/TACH |