The C/TT-600 UHF-BAND from L3Harris is a Software Defined Radio designed to support a wide range of applications in LEO, MEO, GEO, Cislunar and deep space. It has a Tx/Rx center frequency of 390-450 MHz with a frequency stability of +/-2 ppm. It has a Tx data rate of up to 12 Mbps and an Rx data rate of up to 10 Mbps. It consists of a base power supply and a digital processing module forming the base radio. This SDR also integrates an RF band conversion module attached to the base radio, providing frequency agility within a desired band. It has a bus voltage of +22 to +36 VDC and supports RS-422, Gigabit Ethernet data and control interface. This SDR measures 9 x 2 x 5 inches and ideal for TT&C, RPO and docking, mission data, intersatellite relays, EVA communications and surface operations.