This third generation Cinema Connection Kit allows a DIRECTV system to connect to a router using an Ethernet cable. These can be powered by either a USB cable or external power supply. The kit contains 2 USB Broadband DECA, 2 Ethernet cables, and 2 power supplies. This unit can be used to run Ethernet over existing coax cable. The DECA network is a shared 200Mb/s, or the same speed as full duplex 100Mb/s Ethernet. Great for using right behind a router to pump internet over coax for a Whole Home DVR or Connected Home Setup This unit will connect to your router via an Ethernet cable, and then into an open port on one of your sws splitters to get the internet into the coaxial cable for the entire system