Wi3 WiPNET Coax Cable Networking
"Now the freedom of WiFi and dependability of wired Internet can be delivered to multiple locations around a home, apartment, hotel or office via the self-configuring WiPNET ports. Whether plugged into an IPTV, PC or HDTV, additional WiPNET ports are automatically configured to maximize the reliability, speed and simplicity of wired Web connections or wireless access points tethered to a wired backbone."
Wi3 Inc.'s WiPNET is a networking product that allows connecting of multiple devices at multiple locations to a single access point using existing coax cables. Wi3's "sleeve & cartridge" WiPNET port hub distributes ethernet connections to anywhere it is needed at full speed without degradation. Users can customize and choose from a number of cartridges depending on the devices in the network.
If you are interested in WiPNET, take a look at the manufacturer's website at the read link.