I recently order and received an Escort Redline. I was hoping for some good Ka encounters since I received it, no suck luck. I have had several K band encounters. I compared alert distances on the Redline to 2 Beltronics s7 models on the back side of a K band speed sign. I must admit I was absolutely blown away by the distance the Redline alerted to compared to that of an S7 v995 and s7 RX65. The alert distance of the Redline, nearly 3 times that of the Bels. I changed the Redline and the Bels to make sure I was reading the correct frequency for the K band speed sign. After the first run I was a bit skeptical, so I ran the Redline several more times to make it wasn't a false alert. Sure enough the Redline alerts nearly 3 times that of the Bels. I ran the numbers to determine sensitivity difference. The Redline is 9 db more sensitive than the s7 Beltronics on k band. If you are looking for incredible radar sensitivity then the Redline is the answer.
For me I didn't find the Redline to alert excessively. Yes I found a lot of door openers. The Redline has 3 different modes highway, auto and auto-no X. In town I have been using auto-no x mode. Just an amazing detector, the only dislike; you must enter preference mode to change display brightness. It does have an auto brightness setting like the Whistler SE series. I still like the abiliy to set brightness manually.