Regular ethernet uses dedicated twisted-pair cables to carry signals, while coax to ethernet repurposes coaxial lines. Both can provide high-speed internet, but the methods differ. Ethernet is standard for most new installations. However, coax to ethernet is useful when rewiring isn’t possible. It’s a cost-effective alternative in certain situations. Understanding this difference help... https://enableit.com/coaxial-cable-with-ethernet-to-coax-adapters/