Cat-5, Cat-5e, and Cat-6 are all unshielded by default, but there are shielded v... | Hacker News

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Vendan on Oct 4, 2016 | parent | context | favorite | on: IEEE P802.3bz Approval for 2.5G/5G Ethernet

Cat-5, Cat-5e, and Cat-6 are all unshielded by default, but there are shielded versions for high EMI environments.

AceJohnny2 on Oct 4, 2016 [–]

Huh, I didn't know that. Thanks!

DannyBee on Oct 4, 2016 | [–]

They use differential signaling to reduce noise.

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