The Best of ESCORT Live! We've addressed the increasing number of safety cameras installed throughout the U.S. and Canada by pre-loading the Max with our exclusive DEFENDER® Database of active red Weekly updates are available via the ESCORT website to keep you up-to-date with the latest changes . 2 Apr The Escort Passport IX performs almost identically to the best radar detectors. It's not the cheapest radar detector around, but you get a high-performing GPS device at a mid-range price. That's why it's our pick for best value. And, which one is the best? View test results One crucial task we quickly identified: keep it up to date. New cameras can literally appear overnight and adding a site weeks or months after it becomes active simply isn't good enough. How We Tested Them. We first narrowed the project's scope to four states— Arizona.