I find the R7 to be a bit more rangy and first to alert vs the R3 … Brass Shackle Safety Padlock BD-8551. The Uniden R3 is the best all around highest performing windshield mounted detector on the market offering internal GPS for red light camera protection and also the ability to mark and ignore fixed false alerts. It appears the shape of the detector had its inspiration from the Valentine 1. Radenso Pro-M is one of the few Radar Detectors that effectively alerts to the difficult- to-detect MultaRadar CD Speed Cameras. Since Uniden is great with firmware updates and database refreshes, I expect this detector to only get better with time! Laminated Steel Safety Padlock BD-8561 8565. The Uniden R7 weighs in at 7.0 ounces, only two more than the Uniden R3. : Easily move Radenso Pro-M from car to car. I find BSM is better than the R3 and it runs quieter to me running them both side by side. I've had detectors for decades and travel extensively on the road. Metal Lockout Station BD-8737 Model: BCD436HP/BCD536HP Q: Where do I find information about trouble with the real-time clock battery? Uniden was listening to us when we asked for upgrades under the hood and we got faster signal processing, better visuals, and dual antennas. New for 2017 is Uniden's Top of the line R1 & R3's. Uniden R7 Chassis. Radenso Pro-M is the smallest STEALTH Radar/Laser Detector available. Uniden R1 vs DFR7 Conclusion All in all, the decision is all yours to make because we may have different need and preference but if you are looking for an affordable radar detector, we are going to recommend you picking the DFR7 or upgrade to R3 if you are willing to spend more because we need the GPS technology to get more protection. These can be school zones, red-light cameras, and places where police frequently monitor traffic. With the R3 you can mark geographical points where you commonly encounter radar transmissions. The R3 is the most sensitive detector that I've ever laid eyes on. It's difficult to see from outside your vehicle and easy to remove and conceal. Uniden’s R3 is a top of the line Radar Detector with a built-in GPS feature. If you do not need the GPS Functions of Uniden R3 then the Uniden R1 is the unit to get. So there it is, my real world opinion. Uniden needs to do a better job with BSF as both Radenso and Escort seem to have solved the Honday/Acura problem with their latest firmware updates. The Uniden R7 is a larger detector than the Uniden R3 because it must house both a front and rear facing antenna.