the t.bone freeU PT 823 B-Stock, B-Stock with full warranty@+*Slight traces of use*@+@+, UHF Wireless System, With pocket transmitter and guitar cable for instrument applications, 60 - 17,000 Hz, 10 Preprogrammed frequency groups, each with 10 channels available, Auto squelch, Frequency scan built into the receiver, Adjustable AF Out, Transmitter power: 10 mW, Infrared transmits settings from the receiver to the transmitter, Pilot tone, 80 KHz Channel spacing, Modulation code: F3E, LCD display, 9.5"", 1U Housing with 2x BNC connectors for antennas, XLR and jack output, Operates with 12V 0.5A DC power supply (+ internally), Pocket transmitter in plastic housing, LCD display, Operates with 2x AA batteries or rechargeable batteries, Frequency band: 823 - 832 MHz, Incl. guitar cable, Antennas, EU power supply and rack kit for the installation of a receiver to 1U@+*Note:* A maximum of 4 systems can be operated simultaneously in this frequency band.