>basically Star Trek technology (worthless blinking lights). Does anyone >actually have some sort of empirical evidence/theory for passive >scramblers? The unit I have, the Phazer II, was in fact tested with X-band (I own a unit for measuring racing speeds <G>), and a friend of mine is a NY state trooper, and yes, it does screw up the KA and Pulsing KA (Instant on). Never tested it against Lidar.