A Pair of 1/2 Wave Receiver Antennas for Shure UHF-R,ULX,SLX,QLX-D,ULX-D,BLX4R Receivers Total length (body + Base): approx. 10.1 inches Replacement for SHURE UHF-R, ULX, SLX, QLX-D, ULX-D, and BLX4R Series wireless receivers Frequency range: 470-698 MHz Antennas can be "fold" so they can point straight and be capable of an "L" shape