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2,92 series coaxial connectors with characteristic impedance 50Ù , 2,92mm inner diameter of outer conductor and screw coupling, are used for millimeter wave applications, connecting with RF cables or microstrips. The operating frequency limit is up to 40GHz. Mating interface standards of the 2,92 series connectors are similar to IEEE std 287-2007 (2,92mm) and MIL-std-348A (SMK). The 2,92 connectors can be inter-mated with SMA, and 3,5mm connectors as per following standards. SMA: IEC 61169-35, MIL-PRF-39012D and MIL-STD-348A. 3,5mm: IEC 61169-23, IEEE std 287-2007. This sectional specification provides information and rules for preparation of detail specification of 2,92 series RF coaxial connectors together with the pro-forma blank detail specification. It also prescribes mating face dimensions for high performance connectors - grade 1, dimensional detail of standard test connectors - Grade 0, gauging information and tests selected from QC 220000(IEC 61169-1) applicable to all detail specifications relating to 2,92 series RF coaxial connectors. This specification indicates recommended performance characteristics to be considered when writing a detail specification and it covers test schedules and inspection requirements for assessment levels M and H.