Support any standard analog camera (BNC interface)
Support AHD camera
Hybrid access: multiple hybrid access modes, support 1080P HD access in any mode
| Model | AT-NH-3804FH-F4/AT-NH-4804FH-F4 | |
| System | Main chip | Hi3520D V200 |
| OS | LINUX | |
| System Resources | Multi-channel Realtime recording, Multi-channel playback, Multi-channel network operation, USB Backup | |
| Interface | Operation menu | 16-bit true color graphical menu interface, mouse operation supported |
| Display | 1/4 display（take the pure coaxial input mode as an example） | |
| Video | Format | H.264 |
| Output | VGA、HDMI | |
| Preview | 4*1080N | |
| Recode | 4*1080N | |
| Decord | 4*1080N | |
| Multi-mode Input | AHD： 4*1080N；4*720P；4*960H | |
| Hybrid： 2*720P（Analog）+2*720P（IP）; | ||
| NVR：8*1080P;12*960P;8*720P; 4*1080P; 4*720P; 1*1080P | ||
| Motion Detect | Each view window can set 192（16*12）detection area,can set multi-level sensitivity (only for local channel) | |
| Audio | Audio | G.711A |
| Intercom | Support | |
| Recorind and Playback | Recording mode | Manual、Alarm、Motion Detect、Timer |
| Local playback | 4 Channel（when Analog mode） | |
| Video search | Time, Date,Event,Channel search | |
| Storage and Backup | Storage | Local HDD, Network |
| Backup | Network back, USB Drive, HDD | |
| Port | Video Input | 4 * BNC |
| Video Output | 1 * VGA，1 * HDMI | |
| Audio Input | 4 * RCA | |
| Audio Output | 1 * RCA | |
| Alarm Input | Optional（Max: 4 channels） | |
| Alarm Output | Optional（can be 1 channel） | |
| Network port | RJ45 10M/100M | |
| PTZ Control | 1 * RS485 Support multipal PTZ Contract | |
| USB port | 2 * USB Port | |
| HDD Port | 2 * SATA hdd ports（up to 6T for each one） | |
| Others | Power | 1*HDD: 12V/2A 2*HDD: 12V/5A |
| Power consumption | Less than 15W（no HDD） | |
| Working temperature | 0℃—+55℃ | |
| Working humidity | 10%—90% | |
| Atmospheric pressure | 86kpa—106kpa | |
| package Size | 42.5*33.5*53.5CM | |
| Weight | 12kg(10PCS） |
