Uniden R3NZ Extreme Long Range GPS Radar Detector / Laser Detector & NZ Speed Camera Database

Longest Range Window Mount Radar GPS with Red Light camera alert, 360° Laser / Radar Detector with memory, voice alert, and electronic compass

NZ Speed Camera Database! Tuned for NZ Redflex Mobile Speed Cameras

The R4NZ, by Uniden, is an all new platform with a much greater range.

It has a new Auto Mute Memory feature, which automatically locks out false alert locations. The R4NZ also has the best K Band filter on the market, offering the least amount of false alerts from blind spot monitors and K Band sensors in other vehicles.

When you need the most relevant information possible, the Uniden R4NZ puts you miles ahead.

Features

- Xtreme Range Laser Radar Detection
- Digital Signal Processor
- GPS Built-In
- Red Light Camera Alert
- Speed Camera Alert
- Advanced K / KA Band Filter
- Voice Notifications
- Quiet Ride (Speed-based Auto Mute)
- Ultra-bright Multi-color OLED Display
- Radar Band Frequency Display (Current Speed, Battery Voltage, Altitude, Clock)
- MAX Speed Warning System
- Suction Mount Included
- Carrying Case Included
Cigarette charger with MUTE button

WHAT’S IN THE BOX:

• • R3NZ radar detector • 12V DC Power Cord with Mute Key & USB port • Single & Double Mounting Bracket • Hook and loop fastener tape • Hard Carry Case • Owners Manual

Direct Download Links

• IMPORTANT! FIRMWARE UPDATES
  Do not Install Updates from UNIDEN America(www.uniden.com or unidensupport.com)
• Click here for R Series Update Tool
• Click here for Firmware Last updated 26/11/2025. This only works with versions of the R3NZ that turn on and display Uniden NZ-K
• Click here for GPS Database if your serial number has the letters NV after the letter A. Example 4ANVXXXXXX
• Click here for the GPS Database for all other Uniden R3NZ  Last updated 26/11/2025

Frequency

X - 10.525 GHz Deleted for NZ
K - 24.150 GHz ±100MHz
Ka - 33.400 - 36.000 GHz
Laser - 800nm-1100nm

D I M E N S I O N S

• Depth: 110 mm
• Width: 69 mm
• Height: 29.5 mm (or 29.3 mm)

** Note - WiFi Models not available / Sold in N.Z