CQA series quick lock connectors with characteristic impedance 50Ù are used in microwave, telecommunication, wireless and other fields, connecting with RF cables or micro-strips. The operating frequency limit is up to 18GHz.This sectional specification provides information and rules for preparation of detailspecification of CQA series quick lock R.F. coaxial connectors together with the pro formablank detail specification. It also prescribes mating face dimensions for general connectors - grade 2, dimensional detail of standard test connectors-grade 0, gauging information and tests selected from QC 220000(IEC 61169-1) applicable to all detail specifications