Cobra
Cobra RAD 390
0.0Dashlore Score
Ranked #24 of 26 radar detectors we track. Launch MSRP $119.95.
An entry-level radar and laser detector with a color LED segment display, USB-C power and Cobra's IVT filter. It suits drivers who want basic X, K, Ka and laser alerts at the lowest Cobra price.
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Strengths
- Detects X, K, Ka and laser, with front and rear laser sensors
- USB-C power and firmware updates, plus an Extreme Mode setting
- 3rd-generation IVT filter
Watch out for
- No GPS, lockouts, camera database or app connection
- Segment LED display, and voice alerts are not listed
Score breakdown
How the Cobra RAD 390 scores: 0.0/10Methodology
- Front + rear antennas14% weight1
- Directional arrows14% weightNo
- MultaRadar (MRCD) detection14% weightNo
- GPS14% weightNo
- Auto false-alert lockouts14% weightNo
- Ka segmentation7% weightNo
- Camera database7% weightNo
- RDD stealth7% weightNo
- Phone app / connectivity7% weightnone
Full specifications
| Brand | Cobra |
|---|---|
| Model | RAD 390 |
| Released | 2026 |
| X band | Yes |
| K band | Yes |
| Ka band | Yes |
| Laser | Yes |
| Cordless | No |
| Remote mount | No |
| MultaRadar CD/CT detection | No |
| Directional arrows | No |
| Antennas | 1 |
| GPS | No |
| Auto lockouts | No |
| Camera database | No |
| App | none |
| Ka segmentation | No |
| Stealth vs. radar-detector detectors | No |
| Display | 7-segment color LED |
| Voice alerts | No |
| Launch MSRP | $119.95 |
Specs last checked 2026-10-21.
How it compares
| Spec | Cobra RAD 390 | Cobra RAD 490i | Whistler CR73 |
|---|---|---|---|
| Score | 0.0 | 1.4 | 0.0 |
| Front + rear antennas | 1 | 1 | 1 |
| Directional arrows | No | No | No |
| MultaRadar (MRCD) detection | No | No | No |
| GPS | No | No | No |
| Auto false-alert lockouts | No | No | No |
| Ka segmentation | No | No | No |
| Camera database | No | Yes | No |
| RDD stealth | No | No | No |
| Phone app / connectivity | none | Cobra Drive Smarter | none |
| Launch MSRP | $119.95 | $169.95 | — |