NVR301-B-IQ series
1 HDD 4-ch 1U Network Video Recorder
- Support Ultra 265/H.265/H.264 video formats
- Support 4/8/16-channel input
- Support HDMI and VGA simultaneous output
- Support up to 12 Megapixels resolution recording
- Support ANR technology to enhance the storage reliability when the network is disconnected
- Support cloud upgrade




Decoding
Decoding Format
Ultra 265,H.265,H.264, Ultra 265,H.265,H.264, Ultra 265,H.265,H.264
Decoding Capability
Smart Offï¼2 x 12MP@30, 2 x 4K@30, 4 x 4MP@30 Smart Onï¼2 x 4K@30, 4 x 4MP@30, Smart Offï¼2 x 12MP@30, 2 x 4K@30, 4 x 4MP@30, 8 x 1080P@30 Smart Onï¼2 x 4K@30, 4 x 4MP@30, 8 x 1080P@30, Smart Offï¼2 x 12MP@30, 2 x 4K@30, 4 x 4MP@30, 10 x 1080P@30, 16 x 720P@30 Smart Onï¼2 x 4K@30, 4 x 4MP@30, 8 x 1080P@30, 16 x 720P@30
Decoding Capability Description
The resolution of each channel cannot exceed 8192 pixels in length and 4096 pixels in width, The resolution of each channel cannot exceed 8192 pixels in length and 4096 pixels in width, The resolution of each channel cannot exceed 8192 pixels in length and 4096 pixels in width
Audio Compression
G.711A, G.711U, G.711A, G.711U, G.711A, G.711U
Network
Incoming Bandwidth
80 Mbps, 80 Mbps, 80 Mbps
Outgoing Bandwidth
80 Mbps, 80 Mbps, 80 Mbps
Remote Users
128, 128, 128
Protocols
TCP/IP, P2P, NTP, DHCP, PPPoE, HTTP, HTTPS, DNS, DDNS, SNMP, SMTP, RTSP, IPv6, IPv4, 802.1x, UPnP, TCP/IP, P2P, NTP, DHCP, PPPoE, HTTP, HTTPS, DNS, DDNS, SNMP, SMTP, RTSP, IPv6, IPv4, 802.1x, UPnP, TCP/IP, P2P, NTP, DHCP, PPPoE, HTTP, HTTPS, DNS, DDNS, SNMP, SMTP, RTSP, IPv6, IPv4, 802.1x, UPnP
Browser (Plugin)
IE10, IE11, Chrome 45+, Edge 79+, Firefox 52+, IE10, IE11, Chrome 45+, Edge 79+, Firefox 52+, IE10, IE11, Chrome 45+, Edge 79+, Firefox 52+
Video/Audio Input
IP Video Input
4-ch, 8-ch, 16-ch
RCA Audio Input
1-ch, 1-ch, 1-ch
Peripheral Input
Ip Speaker
16-ch, 16-ch, 16-ch
POS
All channels, All channels, All channels
Video/Audio Output
HDMI Output
4K (3840 × 2160)/30 Hz, 1920 × 1080/60 Hz, 1920 × 1080/50 Hz, 1600 × 1200/60 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz, 1024 × 768/60 Hz, 4K (3840 × 2160)/30 Hz, 1920 × 1080/60 Hz, 1920 × 1080/50 Hz, 1600 × 1200/60 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz, 1024 × 768/60 Hz, 4K (3840 × 2160)/30 Hz, 1920 × 1080/60 Hz, 1920 × 1080/50 Hz, 1600 × 1200/60 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz, 1024 × 768/60 Hz
VGA Output
1920 × 1080/60 Hz, 1920 × 1080/50 Hz, 1600 × 1200/60 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz, 1024 × 768/60 Hz, 1920 × 1080/60 Hz, 1920 × 1080/50 Hz, 1600 × 1200/60 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz, 1024 × 768/60 Hz, 1920 × 1080/60 Hz, 1920 × 1080/50 Hz, 1600 × 1200/60 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz, 1024 × 768/60 Hz
RCA Audio Output
1-ch, 1-ch, 1-ch
Liveview Display
1/4/6/8/9, 1/4/6/8/9/16, 1/4/6/8/9/16
Corridor Mode Screen
3/4, 3/4/5/7/9/10, 3/4/5/7/9/10/12/16
Two-way Audio
Two-way Audio
1-ch,RCA(Using the audio input and output), 1-ch,RCA(Using the audio input and output), 1-ch,RCA(Using the audio input and output)
Snapshot
FTP/Schedule/Event Snapshot
4-ch snapshot (max. D1 (720 × 576) video resolution, with D1 snapshot resolution), 4-ch snapshot (max. D1 (720 × 576) video resolution, with D1 snapshot resolution), 4-ch snapshot (max. D1 (720 × 576) video resolution, with D1 snapshot resolution)
Recording
Recording Resolution
12 MP/8 MP/6 MP/5 MP/4 MP/3 MP/1080P/960P/720P/D1/2CIF/CIF, 12 MP/8 MP/6 MP/5 MP/4 MP/3 MP/1080P/960P/720P/D1/2CIF/CIF, 12 MP/8 MP/6 MP/5 MP/4 MP/3 MP/1080P/960P/720P/D1/2CIF/CIF
Num of Concurrent Playback
16-ch, 16-ch, 16-ch
Smart Function
Smart by IPC
All channels (up to 8 images/s in total) Face Detection, Vehicle Detection (LPR), SIP, UMD, Traffic Monitoring, All channels (up to 8 images/s in total) Face Detection, Vehicle Detection (LPR), SIP, UMD, Traffic Monitoring, All channels (up to 8 images/s in total) Face Detection, Vehicle Detection (LPR), SIP, UMD, Traffic Monitoring
Smart by NVR
Face Detection, Smart Intrusion Prevention (SIP), Ultra Motion Detection (UMD), Face Detection, Smart Intrusion Prevention (SIP), Ultra Motion Detection (UMD), Face Detection, Smart Intrusion Prevention (SIP), Ultra Motion Detection (UMD)
Smart by NVR Analyzer Mode
Single Mode (), Single Mode (SIP), Single Mode (UMD), Single Mode (AcuSearch/AcuTrack), Modes cannot active simultaneously, only one mode can active at a time., Single Mode (), Single Mode (SIP), Single Mode (UMD), Single Mode (AcuSearch/AcuTrack), Modes cannot active simultaneously, only one mode can active at a time., Single Mode (), Single Mode (SIP), Single Mode (UMD), Single Mode (AcuSearch/AcuTrack), Modes cannot active simultaneously, only one mode can active at a time.
VCA Search
AcuSearch, AcuTrack, , , Motor Vehicle Search, Non-Motor Vehicle Search, Human Body Search, General Search, People Counting Report, Heat Map, AcuSearch, AcuTrack, , , Motor Vehicle Search, Non-Motor Vehicle Search, Human Body Search, General Search, People Counting Report, Heat Map, AcuSearch, AcuTrack, , , Motor Vehicle Search, Non-Motor Vehicle Search, Human Body Search, General Search, People Counting Report, Heat Map
AcuSearch
Acu Search Performance
All channels with UNV SIP/UMD Camera, All channels with UNV SIP/UMD Camera, All channels with UNV SIP/UMD Camera
AcuTrack
Acu Track Performance
All channels with UNV SIP/UMD Camera, All channels with UNV SIP/UMD Camera, All channels with UNV SIP/UMD Camera
by NVR
Up to 4-ch with UNV Face Detection Camera, Up to 1-ch with normal camera (UNV and Third-part brand, 1-ch 2MP), Up to 8-ch with UNV Face Detection Camera, Up to 1-ch with normal camera (UNV and Third-part brand, 1-ch 2MP), Up to 8-ch with UNV Face Detection Camera, Up to 1-ch with normal camera (UNV and Third-part brand, 1-ch 2MP)
Search by Image
Support, Support, Support
Smart
Vehicle Picture Library
Up to 5 vehicle picture libraries, with up to 25,000 vehicle pictures in total, Up to 5 vehicle picture libraries, with up to 25,000 vehicle pictures in total, Up to 5 vehicle picture libraries, with up to 25,000 vehicle pictures in total
SIP
SIP by NVR with normal cameras
Up to 2-ch with normal camera (UNV and Third-part brand, 2-ch 2MP, 1-ch 4MP), Up to 2-ch with normal camera (UNV and Third-part brand, 2-ch 2MP, 1-ch 4MP), Up to 2-ch with normal camera (UNV and Third-part brand, 2-ch 2MP, 1-ch 4MP)
UMD
UMD by NVR with normal cameras
Up to 4-ch with normal camera (UNV and Third-part brand, 4-ch 2MP, 2-ch 4MP, 1-ch 4K), Up to 4-ch with normal camera (UNV and Third-part brand, 4-ch 2MP, 2-ch 4MP, 1-ch 4K), Up to 4-ch with normal camera (UNV and Third-part brand, 4-ch 2MP, 2-ch 4MP, 1-ch 4K)
Alarm
General Alarm
Defocus Detection, Scene Change Detection, Object Left Behind, Object Removed, Auto Tracking, Motion Detection, Tampering, Human Body Detection, Video Loss, Alarm Input, Audio Detection, Defocus Detection, Scene Change Detection, Object Left Behind, Object Removed, Auto Tracking, Motion Detection, Tampering, Human Body Detection, Video Loss, Alarm Input, Audio Detection, Defocus Detection, Scene Change Detection, Object Left Behind, Object Removed, Auto Tracking, Motion Detection, Tampering, Human Body Detection, Video Loss, Alarm Input, Audio Detection
Alert Alarm
IP Conflict, Network Disconnected, Disk Offline, Disk Abnormal, Illegal Access, Hard Disk Space Low, Hard Disk Full, Recording/Snapshot Abnormal, IP Conflict, Network Disconnected, Disk Offline, Disk Abnormal, Illegal Access, Hard Disk Space Low, Hard Disk Full, Recording/Snapshot Abnormal, IP Conflict, Network Disconnected, Disk Offline, Disk Abnormal, Illegal Access, Hard Disk Space Low, Hard Disk Full, Recording/Snapshot Abnormal
GUI Language
GUI Language
38 languages: Simplified Chinese, Traditional Chinese, English, Vietnamese, Thai, Turkish, Spanish (Latin America), Portuguese (Brazil), Spanish, Portuguese, French, German, Italian, Dutch, Polish, Czech, Hungarian, Slovak, Russian, Hebrew, Arabic, Ukrainian, Estonian, Bulgarian, Greek, Romanian, Danish, Swedish, Norwegian, Finnish, Croatian, Slovenia, Serbia, Korean, Japanese, Latvian, Lithuanian, Persian, 38 languages: Simplified Chinese, Traditional Chinese, English, Vietnamese, Thai, Turkish, Spanish (Latin America), Portuguese (Brazil), Spanish, Portuguese, French, German, Italian, Dutch, Polish, Czech, Hungarian, Slovak, Russian, Hebrew, Arabic, Ukrainian, Estonian, Bulgarian, Greek, Romanian, Danish, Swedish, Norwegian, Finnish, Croatian, Slovenia, Serbia, Korean, Japanese, Latvian, Lithuanian, Persian, 38 languages: Simplified Chinese, Traditional Chinese, English, Vietnamese, Thai, Turkish, Spanish (Latin America), Portuguese (Brazil), Spanish, Portuguese, French, German, Italian, Dutch, Polish, Czech, Hungarian, Slovak, Russian, Hebrew, Arabic, Ukrainian, Estonian, Bulgarian, Greek, Romanian, Danish, Swedish, Norwegian, Finnish, Croatian, Slovenia, Serbia, Korean, Japanese, Latvian, Lithuanian, Persian
Hard Disk
SATA
1 SATA Interfaces, 1 SATA Interfaces, 1 SATA Interfaces
Capacity
Up to 24 TB for each HDD (The maximum HDD capacity varies with environment temperature and hard disk size, The environment temperature for use should not exceed 40°C), Up to 24 TB for each HDD (The maximum HDD capacity varies with environment temperature and hard disk size, The environment temperature for use should not exceed 40°C), Up to 24 TB for each HDD (The maximum HDD capacity varies with environment temperature and hard disk size, The environment temperature for use should not exceed 40°C)
External Interface
Network Interface
1 RJ45 10 M/100 M self-adaptive Ethernet Interface, 1 RJ45 10 M/100 M self-adaptive Ethernet Interface, 1 RJ45 10 M/100 M self-adaptive Ethernet Interface
USB
Rear panel: 1 × USB2.0, 1 × USB3.0, Rear panel: 1 × USB2.0, 1 × USB3.0, Rear panel: 1 × USB2.0, 1 × USB3.0
RS485
N/A, N/A, N/A
RS232
N/A, N/A, N/A
Alarm In
N/A, N/A, N/A
Alarm Out
N/A, N/A, N/A
Power Supply
DC 12 V/2 A, DC 12 V/2 A, DC 12 V/2 A
Power Switch
N/A, N/A, N/A
Working Environment
Working Temperature
-10 ℃ ~ + 55 ℃ (+14 ℉ ~ +131 ℉), -10 ℃ ~ + 55 ℃ (+14 ℉ ~ +131 ℉), -10 ℃ ~ + 55 ℃ (+14 ℉ ~ +131 ℉)
Working Humidity
≤ 90% RH (non-condensing), ≤ 90% RH (non-condensing), ≤ 90% RH (non-condensing)
Power Consumption (without HDD)
≤ 12W, ≤ 12W, ≤ 12W
Dimensions
Weight (without HDD)
≤ 2Kg (4.4lb), ≤ 2Kg (4.4lb), ≤ 2Kg (4.4lb)
Height
1U, 1U, 1U
Dimensions
260mm × 222mm × 47mm (10.2"×8.7"×1.8"), 260mm × 222mm × 47mm (10.2"×8.7"×1.8"), 260mm × 222mm × 47mm (10.2"×8.7"×1.8")
Certification
Certification
CE; FCC; UL; RoHS; WEEE, CE; FCC; UL; RoHS; WEEE, CE; FCC; UL; RoHS; WEEE
FCC
Part15 Subpart B, Part15 Subpart B, Part15 Subpart B
Compliance
NDAA Compliant
Support, Support, Support
| Class | Date | Title | Language | Type | Preview | Download |
|---|---|---|---|---|---|---|
| Datasheet | 2026/2/11 10:45:07 | UNV NVR301-B-IQ Series Network Video Recorder.pdf | English | Preview | Download | |
| Datasheet | 2026/2/11 10:45:07 | UNV NVR301-B-IQ Series Network Video Recorder.pdf | English | Preview | Download |
| Class | Date | Title | Type | Download |
|---|---|---|---|---|
| HD Image | 2026/2/12 3:05:32 | NVR301-04B-IQ_HD_Image_1.png | png | Download |
| HD Image | 2026/2/12 3:05:32 | NVR301-04B-IQ_HD_Image_2.png | png | Download |
| HD Image | 2026/2/12 3:05:32 | NVR301-04B-IQ_HD_Image_3.png | png | Download |
| Class | Date | Title | Language | Type | Preview | Download |
|---|---|---|---|---|---|---|
| User Manual | 2026/2/4 16:45:28 | UNV-Network Video Recorders User Manual(Old UI).pdf | English | Preview | Download | |
| User Manual | 2026/2/4 16:45:50 | UNV-Network Video Recorders User Manual(New UI).pdf | English | Preview | Download |
| Class | Date | Title | Language | Type | Preview | Download |
|---|---|---|---|---|---|---|
| Quick Guide | 2025/12/25 4:02:47 | Quick Guide.pdf | English | Preview | Download |
| Class | Date | Title | Download |
|---|---|---|---|
| Dimensions | 2026/2/12 3:05:32 | NVR301-04B-IQ_Dimensions_1.png | Download |
