... Entry Level DVR400 Series 4ch Network DVR/ 4/8 ch network embedded dvr H.264 video compression, G.711 ... AEBELL Entry Level DVR400 Series 4ch Network DVR/4/8 ch network embedded dvr Verified Information This information is Verified by ... , Serial Digital Interface Equipment, Matrix, Master Control Equipment, Front-End Equipment, Transmission Equipment, Storage Equipment, Platform Software Use for Public ...