DESC: Once again, BEL pushed the envelope with the new Pro RX55. BELs new Pro RX55 features cutting-edge POP Mode detection to alert you to the latest Ka band speed measurement devices. Only BEL utilizes Motorolas Digital DNA technology for even greater sensitivity than the top performing models from last year. New features include AutoScan mode, which automatically adjusts X/K/Ka/Ku sensitivity levels wherever you drive to minimize false alerts. Tech Mode identifies and reports the actual transmitted police radar frequency.