Pair UHF (470-752 MHz) 1/4 Wave Antennas w/ BNC Connectors for Shure Compatible with SHURE UC,U4D,U4S,UB,BLX, and SLX serises wireless receivers Total length (body + Base): approx. 5.35 inches Antenna can point straight and be capable of an "L" shape UHF Frequency range: 470-752MHz