M22759/4-20-6 is a special purpose coaxial cable used in aerospace and military applications. It is a high frequency, low loss cable with a PTFE dielectric and a double shielded braid. The cable is intended for use with frequencies up to 6 GHz and has a minimum impedance of 4 ohms. The cable is rated for a temperature range of -65°C to +200°C and is also available in various sizes and colors.