Coaxial plug > coaxial coupling - Double-shielded coaxial cable (aluminium foil shielding + braid) - Impedance 75 ohm - With two sheath current filters designed specifically for 100-Hz devices - Shielding immunity: >85 dB - Plug/coupling 100% shielded with screening shield (no galvanic isolation) https://elecena.pl/product/18229705/50722-connection-cable-with-ferrite-white-10-00-m 2021-05-02 https://elecena.pl/product/18229705/50722-connection-cable-with-ferrite-white-10-00-m 2021-12-08