"Speed detection device" means that particular device designed to measure the speed or velocity of a motor vehicle and marketed under the name "Vascar," any device designed to measure the speed or velocity of motor vehicles using the Doppler principle of radio detection and [...]

"Speed detection device" means, unless otherwise indicated, that particular device designed to measure the speed or velocity of a motor vehicle and marketed under the name "Vascar" or any similar device operating under the same or similar principle and any devices for the [...]