Since the officer did not read you your rights, anything you say to an officer when pulled over can NOT be admitted as evidence in court. Over one-half of all drivers who contest their traffic citation are found either not guilty, given a reduced fine or the citation is dismissed. When contesting a traffic citation, you do NOT have the right to subpoena any evidence from the police department. The most optimal time to visit the court clerk to plead 'not guilty' is on a Monday morning. X, K, and Ka bands refers to the frequency level used by the radar unit.
Radar is the most frequent method used for speed detection.
Radar uses a laserpointer-type beam which is capable of determining which vehicle is being tracked. Radar is NOT subject to radio or microwave interference. Radar has a high accuracy rate under ideal conditions. Radar Detectors are legal in all 50 states. Radar units with the self-calibration test feature are considered reliable and accurate.