Model number: UHF wireless Technology engineered for the most demanding touring environments and installations. UHF wireless systems offer unprecedented flexibility and versatility. NEW J4 and M4 frequency bands are available for the UHF Series wireless systems, offering a wider range of frequencies to choose from! The new J4 band operates between UHF TV channels 28-32, and the M4 band between UHF TV 46-50, offering a possible 24 compatible frequencies per band. This increases the total number of possible systems to 78. Includes: *MARCAD Diversity receiver,half-rack design,1/4''(6.35mm) phone plug and XLR outputs. *transmitter features audio gain control,power LED,on/mute switch,and LED low battery indicator. *Includes legendary SM58 microphone. SUPPLIED ACCESSORIES:1 Wireless Microphone,Receiver Unit,original shure box,manual,Mains power supply,original box;