... 1080i,720p,PAL,NTSC TC-EN4100HD 4-Channels High definition encoder is a professional encoding equipment with high reliability and advanced ... compressing arithmetic. This encoder can simultaneously encode 4 HD signal with HDMI,YPbPr,CVBS ... (W)X 88mm(H)(2RU)Weight: 8kg 4-Channels HD Encoder H264 Mpeg-2 Mpeg-4