Dynamix Hp-30 Coax is HCNA (HomePNA 3.0 over Coax) to Ethernet Bridge connects any Ethernet device to high speed access.

This equipment including guaranteed quality of service (QoS), low cost, robust performance, and the ability to operate simultaneously over both phonelines and coax cables. 

Dynamix HP-30 Coax enables You to set-up your Private Network at Home with your Existing Coaxial Cable. No additional Network wiring is necessary. You may just Find a Coax Connector in the wall, put the coaxial plug into the connector, you can then be ready to access the broadband Internet. No extra utility is needed. No setting, just link. Simply Plug & Play.

Via the RJ-45 Ethernet Ports, You can connect Dynamix HP-30Coax with the Ethernet -Interfaced Devices such as STB, Camera Server, PC, or Switch/Hub. The High speed of 128Mbps will bring you to enjoy the “video-on-demand” or “multimedia-on-demand” services.
With Dynamix HP-30Coax you can even quickly extend or flexibly change the existing LAN environment. No Re-wiring more.

For more details:
http://www.godynamix.com/prod/hpna/hp_30coax.htm

More information about other HomePNA equipment you can find under following links:
http://www.godynamix.com/prod/hpna.htm