Cal Test Electronics CT4x General Purpose Coaxial Connectors feature 50Ω impedance, up to 18GHz bandwidth, and PTFE or DELRIN dielectrics. These connectors comply with REACH and RoHS 2 standards. The mating dimensions of the CT4x coaxial connectors meet or exceed all specifications per MIL-PRF-39012 standards. These connectors include brass and gold-plated body and can be used for general-purpose measurements.