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New for 2016, the CR68 features Whistler''s FDSR (Field Disturbance Sensor Rejection), the most recent advancement to combat new vehicles equipped with Frequency-Modulated Continuous Wave (FMCW) K band blind spot and collision avoidance devices that clutter nearly all of K band causing a normal radar detector to alert continuously. High Performance Icon Display with Digital Strength Indicator Total Laser Detection Traffic Flow Signal Rejection (TFSR) Field Disturbance Sensor Rejection (FDSR)