Covers complete frequency range of 25 - 1300 MHz with any brand or model of radio scanner or frequency counter, Analog or Digital, that uses a BNC connector. This antenna has a swivel at the base that allows the BNC male connector to be moved to the correct position for use on a portable or base radio receiver or frequency counter.Uniden Bearcat, Radio Shack, GRE, Regency, RELM, plus all brands of receivers using a BNC male antenna.