18 U.S.C. Sec. 1029(A)(8) is a federal law that prohibits the use, production, trafficking, or possession of a scanning receiver. A scanning receiver is a device that monitors, receives, and decodes radio signals from cellular phone networks, emergency services, and other radio frequencies. It is illegal to use a scanning receiver to access unauthorized phone or radio communications. Types of scanning receivers include radio scanners, cellular scanners, trunking scanners, police scanners, and more. Those found guilty of violating this law face a fine and up to five years imprisonment.