Azden 310xt UHF On-Camera Plug-in System, Consists of 310UDR Receiver with 35XT Plug-In Transmitter 188 Selectable UHF Freq. (566.125-589.875 MHz) New, Pivoting diversity High-Gain Antenna Digital LCD Display w/Multifunction Readout Mini-Jack Out w/Supplied 24" Mini-to-XLR Cable Headphone Output on Receiver