2 PCS UHF (524-750 MHz) 1/4 Wave Antennas w/ BNC Connectors for Shure Wireless UHF Frequency range: 524-750 MHz Antenna can point straight and be capable of an "L" shape Total length (body + Base): approx. 5 inches Replacement for SHURE UC, U4D, U4S, UB, BLX, and SLX Series wireless receivers