It works with most cable services and allows Ethernet-capable devices to connect as well like Blu-ray players, ... You can get the MoCA Coax-Ethernet Adapter Kit now from NetGear for $189.99.

While this little box looks like a switch it's really a bridge, in fact it is a Ethernet to coax bridge. You need two devices to get started, but can use up to 16. Each one has two coax ...