"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Radar speed-detection capabilities were first developed in 1935 by a Bobby in Britain who had his eyes ...
Both the V1 and the Passport Max feature a full suite of sensors, including K-band, Ka-band, the older X-band, and laser (aka LIDAR). Both will tell you which band is active -- with the V1 having ...