The Z11R+ 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 & collision avoidance devices. These devices clutter nearly all of K band causing a normal radar detector to alert continuously.

Product Features:

• High Performance
• Icon Display
• Total Laser Detection
• Traffic Flow Signal Rejection (TFSR)
• Field Disturbance Sensor Rejection (FDSR)
• Product might not be available in all states due to local laws