Used for ~1 year, works great, only selling as I’ve upgraded to fiber. No Ethernet cable included. For this cable modem to work with your cable provider, you must call your provider to validate the modem with your service.The ARRIS SURFBOARD S34 Cable Modem is a high-quality modem designed for home networking and connectivity. With its DOCSIS 3.1 Multi-Gig 2.5G port, this modem is perfect for handling multiple devices and providing fast internet speeds. The Cox compatibility ensures a seamless connection for users subscribed to Cox services. The ARRIS brand is known for its reliability and performance in the industry, making the SURFBOARD S34 a top choice for those looking to upgrade their home networking setup.