The the t.bone free solo HT 590 MHz is a 1-Channel UHF Wireless System with a 16 Pre-programmed frequency groups with 14 available channels, Adjustable squelch with threshold display on the receiver, Frequency scan in the receiver, Adjustable AF output, Infrared transfer of the settings from the receiver to the transmitter, Pilot tone, Increments of 25 kHz, 19″/ 1 U Housing with 2 x BNC outputs for antennas, XLR- and jack output, Operates with a 12V 500 mA DC power supply (positive polarity (+) inside), Dynamic handheld transmitter with metal housing, LCD display, Operates with 2 x AA batteries or rechargeable batteries & Includes plastic case and rack mount.