The ASP-CATx1 includes both transmitting and receiving units. The transmitting unit is used to transfer the HDMI/DVI and carries the signals through one RJ-45 connectors over one low cost CAT-5/5e/6 cables.

The ASP-CATx2 includes both transmitting and receiving units. The transmitting unit is used to transfer the HDMI/DVI and IR signal inputs and carries the signals through two RJ-45 connectors over two low cost CAT-5/5e/6 cables. The receiving unit is responsible for equalizing transferred TMDS multimedia data and re-sending IR signals. Only one side requires power.