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Stop choosing between
price and protection.
Don't settle for less protection.
Don't pay more for unnecessary features.
Get performance and value with Cobra RAD 490i.
Expanded Range
Noisy
Stop choosing between
price and protection.
Don't settle for less protection.
Don't pay more for unnecessary features.
Get performance and value with Cobra RAD 490i.
Better range, more confidence
performance improvement over the previous generation, experience better range and coverage with earlier alerts.
Better filtering, quieter ride
better filtering accuracy for more
confidence and quieter operation
on the road
3 key features for essential protection and awareness, on any ride.
1Extreme mode capability
Unlocks quicker response times with higher sensitivity
2LaserEye functionality
Detects laser signals from both the front and rear of your vehicle
3USB-C connectivity
Enables easy power connectivity and ongoing firmware updates to keep your detector current
Built upon
customer feedback
Proof from the road:
What real drivers are saying
"I'm very used to premium radar detectors... I picked up the Cobra Rad 490i expecting a decent budget detector, but after spending real time with it, I was honestly surprised by how refined and capable it feels."
- Ivo
Proof from the road:
What real drivers are saying
"The unit was super easy to set up and had a great conversation with customer support to help answer a few questions i had 10/10 for someone getting into this type of electronics."
- Adrian
Drive Smarter® App
RAD 490i gets even better with the Drive Smarter app. Gain shared alerts from fellow drivers, location awareness for red light and speed cameras, GPS capabilities, device settings, and more.
Now compatible with Apple CarPlay® and Android Auto™.
Apple CarPlay & Android Auto
Device management settings
Device management settings
A legacy of driving confidence
Experience the Cobra legacy with more than sixty years of radar detection excellence. With proven on-road performance, US-based design and customer service, and features that enrich any drive, Cobra detectors are built to perform reliably when you need them the most.
Our Heritage
Tap into over sixty-five years of radar detection excellence with Cobra’s RAD lineup.
Customer-Driven Design
All models incorporate feedback from real drivers, with each detector solving specific pain points identified by customers.
US-Based
With a US-based design team and customer support, you can drive safely and confidently.
Cobra RAD 490i
Radar/Laser Detector
$169.95
- Expanded range and coverage
- Extreme mode capability
- LaserEye functionality
- USB-C connectivity
PLUS complimentary access to Drive Smarter app
Cobra RAD 490i FAQs
What types of radar and laser signals does Cobra RAD 490i detect?
The RAD 490i detects X, K, and Ka radar bands, as well as laser signals from both the front and rear using LaserEye® technology.
Is the RAD 490i legal to use?
Radar detector laws vary by state. The RAD 490i is legal for passenger vehicles in most U.S. states, but it is not permitted in Virginia, Washington D.C., or for commercial vehicles nationwide.
Will this work with my car?
Yes, the RAD 490i is compatible with all standard passenger vehicles and installs easily via your vehicle’s 12V power outlet or USB Type C connection.
What is Extreme Mode?
Extreme Mode increases sensitivity for faster response times and improved detection range—ideal for highway driving where early alerts matter most.
Can I customize alerts and sensitivity?
Yes, the RAD 490i allows you to adjust sensitivity modes and filtering settings to match your driving environment and preferences.
Does the RAD 490i connect to an app?
Yes, the RAD 490i features Bluetooth® connectivity and pairs with the Drive Smarter® app for real-time alerts, red light and speed camera notifications, and shared threat reporting from other drivers.
Does it require a subscription?
No subscription is required to use the radar detection features. The Drive Smarter® app is free to download and use.
What comes in the box?
The RAD 490i includes the radar detector unit, adhesive windshield mount, power cord, and quick start guide.
What kind of warranty does it have?
The RAD 490i includes a limited 1-year manufacturer warranty.