CITEL P8AX DC to 4GHz Coaxial RF Surge Suppressors are outdoor RF coaxial surge protectors designed for very harsh environmental conditions. These devices protect equipment connected to radio systems and video coaxial cables in the DC to 4GHz bandwidth range. The P8AX surge suppressors feature a DC pass configuration and a 20kA surge rating. Available in the main coaxial connector versions, they are designed to be in series with the lines and connected to an earthing network. The P8AX components feature low insertion loss and common-mode protection in an IP66 rated waterproof design.