Rigid precision coaxial and their associated precision connectors - Part 4: 21 mm rigid precision coaxial line and associated hermaphroditic precision coaxial connector - Characteristic impedance 50 ohm (Type 9/21) - Characteristic impedance 75 ohms (Type 6/21)

Aerospace series - Cables, electrical, aircraft use - Test methods - Part 805: Characteristic impedance; English version prEN 3475-805:2023

Radio-frequency connectors - Part 10: Sectional specification for RF coaxial connectors with inner diameter of outer conductor 3 mm (0,12 in) with snap-on coupling - Characteristic impedance 50 Ω (Type SMB) (IEC 61169-10:2024); German version EN IEC 61169-10:2024

Radio frequency connectors - Part 64: Sectional specification - RF coaxial connectors with 0,8 mm inner diameter of outer conductor - Characteristic impedance 50 Ω (type 0,8)

Radio-frequency connectors - Part 70: Sectional specification for series HD-BNC radio-frequency coaxial connectors - Characteristic Impedance 75 Ω (IEC 61169-70:2024); German version EN IEC 61169-70:2024

IEC 61076-3-105 Ed.1: CONNECTORS FOR ELECTRONIC EQUIPMENT - Part 3-105: Detail specification for 4 pair balanced, individually shielded, fixed and free connectors with a characteristic impedance of 100 ohms, covering a frequency range from DC to 1500 MHz

Aerospace series - Cables, electrical, aircraft use - Test methods - Part 805: Characteristic impedance

Radio-frequency connectors - Part 4: R.F. coaxial connectors with inner diameter of outer conductor 16 mm (0.63 in) with screw lock Characteristic impedance 50 ohms (Type 7-16) (IEC 46F/60/CDV:2006)

62029: Coaxial cables used in cabled distribution networks - Part 1: Generic specification and test methods.

Aerospace series - Cable, electrical for digital data transmission - Part 011: Single braid - Star Quad 100 ohms - Lightweight - Type KL - Product standard; English version prEN 3375-011:2023