Uniden R3 Extreme Long Range Radar/Laser DetectorThe R3 by Uniden provides the same, record shatteringperformance of the R1, with the additional power of GPSfor red light camera protection and the ability to markand ignore fixed false alerts. The R3 also has the best KBand filter on the market, offering the least amount offalse alerts from blind spot monitors and K Bandsensors in other vehicles. When you need the mostrelevant information possible, the Uniden R3 puts youmiles ahead. Product Overview