Overview

Uniview UN-NVR502-16B-IQ 16-Channel 4K Network Video Recorder
The Uniview UN-NVR502-16B-IQ is a powerful 16-channel network video recorder designed for professional IP surveillance installations. Built to support high-resolution recording of up to 16MP cameras, it delivers reliable video storage, smooth playback, and advanced AI capabilities. With support for Ultra 265, H.265, and H.264 compression, the recorder helps reduce bandwidth and storage usage while maintaining excellent image quality.

Description

Designed for businesses, commercial properties, and security professionals, the Uniview UN-NVR502-16B-IQ combines intelligent video management with dependable recording performance. It supports a wide range of ONVIF-compatible IP cameras, offers dual display outputs, and provides advanced analytics such as vehicle detection and people counting. The Part Number UN-NVR502-16B-IQ is an excellent choice for users looking for a scalable and efficient 16-channel surveillance recording solution.

Features

Built for Modern IP Surveillance
This network video recorder supports up to 16 IP camera channels and is compatible with cameras using ONVIF Profile S, Profile G, Profile T, and RTSP protocols. It records footage at resolutions of up to 16 megapixels, ensuring clear, detailed video suitable for demanding security applications.

Ultra 265, H.265, and H.264 compression technologies help maximise storage capacity while reducing network traffic, making the recorder ideal for continuous recording environments.

Display and Video Output
Independent HDMI and VGA outputs allow flexible monitor configurations for live viewing and playback.

Key display capabilities include:

• HDMI output up to 4K (3840 x 2160) at 30Hz
• VGA output up to 1920 x 1080 at 60Hz
• Independent HDMI and VGA display operation
• 16-channel synchronous playback for efficient video review

Intelligent Analytics
Integrated AI functions help improve security monitoring and operational awareness.

Available intelligent functions include:

• Vehicle detection
• People counting
• Advanced event recording support
• ANR technology for improved recording reliability during network interruptions

Storage and Recording
The recorder provides generous storage capacity for long-term video retention and dependable operation.

Storage highlights:

• 2 SATA hard drive interfaces
• Supports drives up to 8TB each
• Maximum total storage capacity of 16TB
• Reliable recording with Automatic Network Replenishment (ANR)

Connectivity and Audio
The Uniview UN-NVR502-16B-IQ offers flexible connectivity for integration into professional surveillance systems.

Connection options include:

• 2 x Gigabit RJ-45 self-adaptive Ethernet ports
• 1 x USB 3.0 port
• 2 x USB 2.0 ports
• 1 x RS485 interface
• 8 alarm input channels
• 2 alarm output channels
• 1 RCA audio input
• 1 RCA audio output
• Two-way audio support
• Supports up to 128 remote users

Key Technical Details

• Part Number / SKU: UN-NVR502-16B-IQ
• Supports 16 IP camera channels
• Recording resolution up to 16MP
• Ultra 265, H.265 and H.264 video compression
• ONVIF Profile S, Profile G, Profile T and RTSP compatibility
• Independent HDMI and VGA outputs
• 16-channel simultaneous playback
• AI functions including vehicle detection and people counting
• Cloud upgrade support
• Dual SATA storage with up to 8TB per drive
• Dual Gigabit Ethernet interfaces

Ideal Applications
The Uniview UN-NVR502-16B-IQ is well suited for retail stores, offices, warehouses, educational facilities, commercial buildings, industrial sites, and multi-site security deployments where dependable 16-channel IP recording, intelligent analytics, and efficient storage management are essential.

Specifications

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Specifications
Product Code	UN-NVR502-16B-IQ
NVR502-09B-IQ	NVR502-16B-IQ
Decoding
Decoding Format	Ultra 265, H.265, H.264
Decoding Capability	Smart Off : 2 x 16MP@30, 2 x 12MP@30, 4 x 4K@30, 8 x 4MP@30, 10 x 3MP@30, 16 x 1080P@30
	Smart On : 2 x 12MP@30, 2 x 4K@30, 6 x 4MP@30, 8 x 3MP@30, 12 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, For VGA/HDMI independent output, the VGA live video is output by default. To output the highest resolution video from the HDMI port, please clear the VGA video on the preview page.
Audio Compression	G.711A, G.711U
Network
Incoming Bandwidth	Smart Off : 320Mbps
	Smart On : 160Mbps
Outgoing Bandwidth	160 Mbps
Remote Users	128
Protocols	TCP/IP, P2P, NTP, DHCP, PPPoE, HTTP, HTTPS, DNS, DDNS, SNMP, SMTP, NFS, RTSP, IPv6, IPv4, UPnP, HTTPS
Browser (Plugin)	IE10, IE11, Chrome 45+, Edge 79+, Firefox 52+
Video/Audio Input
IP Video Input	16-ch
RCA Audio Input	1-ch
Peripheral Input
Ip Speaker	16-ch
POS	All channels
Video/Audio Output
HDMI Output	4K (3840 x 2160)/30 Hz, 1920 x 1080/60 Hz, 1920 x 1080/50 Hz, 1600 x 1200/60 Hz, 1280 x 1024/60 Hz, 1280 x 720/60 Hz, 1024 x 768/60 Hz
VGA Output	1920 x 1080/60 Hz, 1920 x 1080/50 Hz, 1600 x 1200/60 Hz, 1280 x 1024/60 Hz, 1280 x 720/60 Hz, 1024 x 768/60 Hz
RCA Audio Output	1-ch
Liveview Display	1/4/6/8/9/16
Corridor Mode Screen	3/4/5/7/9/10/12/16
Two-way Audio
Two-way Audio	1-ch, RCA (Using the audio input and output)
Snapshot
FTP/Schedule/Event Snapshot	4-ch snapshot (max. 8 MP (3840 x 2160) video resolution, with 1080P snapshot resolution)
Recording
Recording Resolution	16 MP / 12 MP / 8 MP / 6 MP / 5 MP / 4 MP / 3 MP / 1080P / 960P / 720P / D1 / 2CIF / CIF
Synchronous Playback in Local	16-ch
Smart Function
Smart by IPC	All channels (up to 8 images/s in total) Face Detection, Vehicle Detection (LPR), Temperature Detection, SIP, UMD, Video Metadata, Traffic Monitoring
Smart by NVR	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.
VCA Search	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
AcuTrack
Acu Track Performance	All channels with UNV SIP/UMD Camera
by NVR	Up to 8-ch with UNV Face Detection Camera, Up to 2-ch with normal camera (UNV and Third-part brand, 2-ch 2MP, 1-ch 4MP)
Search by Image	Support
Plate Comparison
Vehicle Number Library	Up to 5 vehicle picture libraries, with up to 25,000 vehicle pictures in total
SIP
SIP 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)
UMD
UMD by NVR with normal cameras	Up to 8-ch with normal camera (UNV and Third-part brand, 8-ch 2MP, 4-ch 4MP, 2-ch 4K)
Capacity of Smart Snapshots
Capacity of Snapshot Records	2 millions records for face snapshot, 2 millions records for vehicle snapshot, 3 millions records for SIP, 2 millions records for video Metadata
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
Alert Alarm	IP Conflict, Network Disconnected, Disk Offline, Disk Abnormal, Illegal Access, Hard Disk Space Low, Hard Disk Full, Recording/Snapshot Abnormal, Array Damaged, Array Degraded
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
Hard Disk
SATA	2 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 40degreesC)
Disk Group	Support
Redundant Storage	Support
Disk Array Type	RAID 1
External Interface
Network Interface	2 RJ45 10 M/100 M/1000 M self-adaptive Ethernet Interface
USB	Front panel: 1 x USB2.0, Rear panel: 1 x USB2.0, 1 x USB3.0
RS485	1
RS232	N/A
Alarm In	8-ch
Alarm Out	2-ch
Power Supply	DC 12 V/3 A
Power Switch	Support
Working Environment
Working Temperature	-10 degreesC to 50 degreesC (14 degreesF to 122 degreesF)
Working Humidity	≤ 90% RH (non-condensing)
Power Consumption (without HDD)	≤ 12W
Dimensions
Weight (without HDD)	≤ 2Kg (4.4lb)
Height	1U
Dimensions	380mm x 315mm x 53mm (15.0" x 12.4" x 2.1")
Certification
Certification	CE , FCC , UL , RoHS , WEEE
CE	EN 55032, EN 61000-3-3, EN IEC 61000-3-2, EN 55035
FCC	Part15 Subpart B