LD Systems U308 HHD, UHF Wireless System, Handheld transmitter with dynamic capsule, Frequency bands: 823-832 MHz and 863-865 MHz, 12 Selectable channels, Up to 6 systems can be used simultaneously, Transmission power: 10 mW, ASC infrared synchronisation between transmitter and receiver, Squelch with pilot tone, Running time of the transmitter: 10 hours with 2x AA batteries, Receiver is installed into the housing, Stable metal housing, Corresponding rack mount kits: Article Nr #452686# and Article Nr #407645# (both are not included and must be ordered separately)