Gvision DVR Cards, GV1480 are GVision top level product series. With ... card (8-16 ch audio video real time) Gvision Combo DVR Cards, GV1480, GV1240 and GV1120, are GVision top level ... you can build up a cost efficient but high performance DVR system to secure your environment more easily. You can put ... D1, CIF GV-Net/IO card support Yes GV-Hybrid DVR card support Yes Dimensions D-Type PCI express: 212( ...