| Model |
NVR1821-9HD |
NVR1821-16HD |
NVR1821-32HD |
NVR1821-64HD |
| Video/Audio Input |
| IP Camera Input |
9 channel |
16 channel |
32 channel |
64 channel |
| Resolution |
QXGA, 1080p, UXGA, 960p, 720p, XGA, SVGA, D1, CIF, QCIF |
| Compression Format |
H.264 |
| Protocols |
Onvif, RTSP, KEDACOM |
| Incoming Bandwidth |
45Mbps |
80Mbps |
160Mbps |
320Mbps |
| Live Viewing |
| Local Display |
1 x HDMI, 1 x VGA, simultaneously output different content |
| Multi Screen Display Local monitor
(Main / Secondary): |
1/1, 4/1, 9/1, 1+4/1, 1+8/1 |
1/1, 4/1, 9/1, 15/1, 16/1, 24/1, 1+4/1, 1+8/1, 1+9/1, 1+15/1, 4/9, 9/4, 9/9, 16/16 |
1/1, 4/1, 9/1, 15/1, 16/1, 24/1, 25/1, 35/1, 36/1, 1+4/1, 1+8/1, 1+9/1, 1+15/1, 4/9, 9/4, 9/9, 16/16 |
| Multi Screen Display
Client |
up to 4 screens simultaneously:
1, 3, 4, 9, 12, 16, 20, 25, 30, 36, 42, 49, 56, 63, 64
1+5, 1+7, 1+8, 1+9, 1+11, 1+15, 1+16, 1+33, 1+47, 1+48 |
| E-Map |
Live Viewing in E-Map (NVR Station) |
| Function |
E-PTZ / Scheme / Polling / TV-Wall (optional with decoder) |
| Recording |
| Resolution |
QXGA, 1080p, UXGA, 960p, 720p, XGA, SVGA, D1, CIF, QCIF |
| Mode |
Manual / Continuous / Schedule / Event (Pre / Post) |
| Event Trigger |
Alarm input / Video lost / Motion Detection |
| Tag |
Supported |
| Reliability |
Automatic Network Replenishment (ANR) |
| Search & Playback |
| Search Mode |
Date & Time (Calendar) / Event |
| Resolution |
QXGA, 1080p, UXGA, 960p, 720p, XGA, SVGA, D1, CIF, QCIF |
| Playback |
Local monitor: 16 x 1080p@30fps |
| Client: 16 x 1080p@30fps |
| Synchronize Playback |
Local monitor: 16 x 1080p@30fps |
| Client: 4 x 1080p@30fps |
| Function |
Slow forward / Fast forward / Loop / Single Frame / E-PTZ |
| Storage |
| Max. Internal HDDs |
8 x 3.5’’ HDD |
| Max. 32TB (up to 4TB/each) |
| External |
IP SAN (iSCSI), up to 10 x IP SAN, Max. 100T, Max. write speed 128Mbps |
| e-SATA |
| Function |
Disk group / Quota |
| Audio |
| Compression |
G.711a / G.711u / ADPCM / G.722 / G.722.1c |
| Bit rate |
32kbps ~ 64kbps |
| Audio Function |
Bi-directional audio / Dumb / Mute / Broadcasting |
| Alarm |
| Alarm Triggers |
Alarm input / Video lost / Motion Detection / System alarm |
| Alarm Events |
Snapshot / Recording / PTZ preset / Alarm out / Buzzer / Email / Link to Client / Alarm caption |
| System |
| Operation System |
Embedded Linux |
| User Management |
Admin / User |
| Log Management |
User login / User operation / Alarm / Backup / Update |
| Aplication Programming |
NVR Station SDK |
| Network |
| Network Protocol |
TCP/IP, UDP, HTTP, DHCP, DNS/DDNS, RTP/RTCP, RTSP, PPPoE, FTP, SNTP, VSIP |
| Viewer Software |
CMS (NVR Station) / Web / iOS app / Android app |
| Max. User Access |
64 Users |
| Output Bandwidth |
256Mbps |
| Function |
NAT / Socks5 / Multiple network access / Packet loss recovery / Auto network organizing |
| Network Test |
Supported |
| Interfaces |
| Ethernet |
2 x Gigabite network port, RJ45 interface |
| Video Out |
1 x HMDI (up to 1920 x 1080@60Hz) |
| 1 x VGA (up to 1920 x 1080@60Hz) |
| Audio In / Out |
1 x RCA Line in / 1 x RCA Line out |
| Alarm In / Out |
2 x Inputs / 2 x Outputs |
| Control |
2 x RS485 |
| USB |
4 x USB 2.0 |
| e-SATA |
1 x e-SATA |
| Environmental |
| Operating Temperature |
-10°C ~ 55°C / 14°F ~ 131°F |
| Operating Humidity |
10% ~ 90% |
| Electrical |
| Power |
100 ~ 240V AC, 50 ~ 60Hz |
| Power Consumption |
Max. 30W (HDD not included) |
| Mechanical |
| Weight |
7.6Kg / 16.72lb (HDD not included) |
| Dimensions |
443 x 461 x 88mm / 17.44’’ x 18.15’’ x 3.46’’ |