UNE-EN 62153-4-7/A1
Metallic communication cable test methods. Part 4-7: Electromagnetic compatibility (EMC). Test method for measuring of transfer impedance ZT and screening attenuation aS or coupling attenuation aC of connectors and assemblies up to and above 3 GHz. Triaxial tube in tube method (Endorsed by Asociación Española de Normalización in August of 2018.)