R4
R4
Long-Range Radar/Laser Protection
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Premium Suction Cup Mount
$29.99
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Built-in GPS with Auto Mute Memory
Learns and mutes false alerts along your routes, so you won't hear the same false alarm twice.
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Multi-color OLED Display
Bright, easy-to-read display shows more info at once for better situational awareness.
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Voice Alerts
Customizable voice alerts keep you hands-free and focused on the road.
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Advanced K/Ka Band Filtering
Top-tier filtering reduces false alerts from driver-assist and collision avoidance systems.
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Red Light & Speed Camera Alerts
Pre-loaded alerts with free updates keep you protected and current wherever you drive.
The R4 continues Uniden’s tradition of leading innovation. Featuring extreme long-range performance, a Blackfin® DSP (Digital Signal Processor), and visual and voice alerts on an OLED display. Also, it has Bluetooth, GPS, R/TACH app support, our custom speed and red-light database, etc. Also, the R4 features Auto Learn which greatly reduces false alerts over time giving you the quietest ride. With our exclusive proprietary technology, the R4 boasts stellar performance. When you need the best with none of the fluff, Uniden’s R4 puts you miles ahead.
Frequency:
X
10.525 GHz
K
24.150GHz
Ka
33.400 - 35.700 GHz
Laser
800 nm - 1,100 nm
Hardware Specifications
Dimensions
Depth: 4.62" (117.50 mm) Width: 2.74" (69.80 mm) Height 1.29" (32.80 mm)
Weight
5.3 oz (150g)
Operating Temperature
-4° to +185° F (Radar/Laser) -20° to +85° C (Radar/Laser)
Storage Temperature
-22° to +203° F (Radar/Laser) -30° to +95° C (Radar/Laser)
Operating Power Source
DC 11.0 to 16.0 V
USB Interface
USB Specification 2.0/1.1
R4 Radar Detector
12V DC RJ11 Power Cord
Single Cup Windshield Mount
Double Cup Windshield Mount
Carrying Case
Note: Resource downloads are supported on Windows systems. Mac compatiibility is limited (Radar Detectors supported). Broader support coming soon.
