the t.bone freeU PT 823, UHF Wireless System, Includes a pocket transmitter and guitar cable for applications with instruments, Frequency band: 823-832 MHz, Frequency response: 60-17,000 Hz, 10 Preprogrammed frequency groups with 10 available channels each, Auto squelch, Frequency scan in the receiver, Adjustable AF output, Transmission power: 10 mW, Infrared transfer of the settings from the receiver to the transmitter, Pilot tone, Increments of 80 kHz, Modulation type: F3E, LCD Display, 9.5"" 1U housing with 2 x BNC antenna connectors, XLR- and jack output, Operates via 12V, 0.5 DC power supply (positive (+) on the inside), Transmitter housing material: Plastic, Operates with 2 x AA batteries or rechargeable batteries, Include guitar cables, antennas, EU power supply and a rack kit for the installation of a 1U receiver, Optional antenna converters available under Article Nr #177448# (not included)@+*Note:* Up to 4 systems can be operated in this frequency band simultaneously.@+@+