What type of police radar is used in New York state?

"Radar" is a type of speed timing device employing only one specific technology.

The commonly used generic term 'radar' has come to describe ANY speed timing device, including other technologies such as lasers, and highly sophisticated 'elapsed time' measuring systems.

Law enforcement may use any or all of them and they are produced by several different manufacturers. Contact your local law enforcement agency and I'm sure they would be happy to give you the information on the type(s) they use.