Compare the Bel RX65 radar detector performance to the best radar detector sold today. The Beltronics RX65 is quite good in performance, but the number of false alerts are more than the other 4 radar detectors, which makes it lower in reliability. When compared to Cobra, Whistler or Rocky Mountain Radar radar detectors, the Beltronics RX65 is better in performance than any low performance radar detector. You can significantly improve Beltronics RX65 performance by turning X band and POP3 off.