IEC 60169-20:1985 : Title: Radio-frequency connectors. Part 20: R.F. coaxial connectors with inner diameter of outer conductor of 2.08 mm (0.082 in) screw coupling. Characteristic impedance 50 ohms (Type SSMC) Pages: 15 Year: Publisher: International Electrotechnical Commission Availability: Within 1-2 working days
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