The Uniden R4 is an all new platform with a much greater range. It has a new Auto Mute Memory feature, which automatically locks out false alert
R4
K-band Reactivity Test Pt. 2: Uniden R9 & R8, Redline 360c, Whistler Titan, Valentine One Gen2
Uniden R4 Review: An R3 on Steroids - Vortex Radar
NEW Uniden R4/R3/R1 DSP Permanent Radar Detector Mount UND-R3-P - Canada
Uniden® R4 Extreme Long-range Radar/laser Detector With Voice Alert. : Target
UNIDEN R4 Extreme Long-Range Laser/Radar Detector, Record Shattering Performance, Built-in GPS w/AUTO Mute Memory, Voice Alerts, Red Light & Speed Camera Alerts, Multi-Color OLED Display : Electronics
With Power Button+Fuse) RJ11 Power Cable Rear View Mirror For V1 Uniden R4 R7 R8 Escort Redline Max360 Radar Detector LN008109 - AliExpress
Rilevatore radar UNIDEN R8/R7/R4/R3/R1 Cavo di alimentazione diretto dalla scatola dei fusibili DP-UND - Italia
Uniden R4 Review: An R3 on Steroids - Vortex Radar