R4 Factory Certified (Renewed)

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.

90-day warranty. All accessories are included. All sales are final.

What's In The Box

R4 Radar Detector (Renewed)

12V DC RJ11 Power Cord

Single Cup
Windshield Mount

Double Cup Windshield Mount

Carrying Case

• 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.

• Multi-color OLED Display

  Bright, easy-to-read display shows more info at once for better situational awareness.

• Voice Alerts

  Customizable voice alerts keep you hands-free and focused on the road.

• Advanced K/Ka Band Filtering

  Top-tier filtering reduces false alerts from driver-assist and collision avoidance systems.

• Red Light & Speed Camera Alerts

  Pre-loaded alerts with free updates keep you protected and current wherever you drive.

Reviews for R4 Factory Certified (Renewed)