Unshielded cables do not have inner shielding to reduce EMI. Under the ailment, unshielded cables cancel out EMI by utilizing a twisted pair of wires. These light-weight and thin cables make them most effective for indoor applications with LAN or very similar community cable units in an Business office environment. https://collinqpkjd.uzblog.net/facts-about-emc-shielding-revealed-45300679