The GV7704 is a quad channel serial digital video receiver for High Definition component video. With integrated high performance cable equalizer technology, the GV7704 is capable of receiving HD video at 270Mbps and 1.485Gbps over 75Ω coaxial cable, or differentially over a 100Ω twisted pair cable.
The GV7704 integrates the High Definition Visually Lossless CODEC (HD-VLC™) technology, which has been developed specifically to reduce the transmission data rate of HD video over both coaxial and unshielded twisted pair (UTP) cable. This is achieved by encoding the HD video, normally transmitted at a serial data rate of 1.485Gbps, to the same rate as Standard Definition (SD) video, at 270Mbps serial data rate.
At 270Mbps, the effect of cable loss is greatly reduced, resulting in much longer cable transmission. For 75Ω coaxial cable, cable reach can be extended up to four times the normal reach when transmitting encoded HD at 270Mbps. In typical video over coaxial installations, cable distances of up to 500m are possible.
The GV7704 can also be configured to receive HD video over UTP cable, such as Cat-5e and Cat-6 cable, when HD-VLC encoded at 270Mbps.