Uniview 32-Channel AI PoE NVR with 16 Built-in PoE Ports, Dual HDD Support, 4K Output & IQ Smart Analytics (UV-NVR502-32B-P16-IQ)
Unless selecting a vari-focal camera (with an adjustable lens) It is important to select the correct camera lens option for where the camera is to be positioned. A smaller lens will give you a wider angle but will be "zoomed out more", while a bigger lens will narrow the angle down and "zoom in more". See below to give you some idea on angles of Megapixel HD Cameras:
| Lens in mm | Approx Viewing Angle (degrees) | Ideal Distance (metres) | Typical usage/notes |
|---|---|---|---|
| 2.8 | 106 | <6 | For seeing as much of the immediate area as possible such as above a doorway/low down/garage soffits (edges can appear slightly warped/distorted) - clearly "zoomed out" |
| 3.6/4 | 83-90 | <12 | A great general purpose option giving great coverage still in the corner of a room or higher up on second floor soffits with less distortion - more of a natural "zoom" |
| 6 | 56 | 6-20 | Narrows down the angle and zooms in to look past the immediate area a little to gain more detail - down a driveway for example from higher up |
| 12 | 24 | 20+ | Zooms in significantly more to look at a gate, entrance or adjascent building |
| 16 | 19 | 24+ | As above but more so |
The amount of hard drive space you require is dictated by how many cameras, as well as their resolution and frame rate settings. Finally you can often make your storage space last a lot longer by enabling motion detected recording rather than continuous, especially if there are long periods of no activity.
|
Resolution (Megapixels) |
Days of storage provided by 1TB per camera (continuous - full 25 frames per second) |
Days of storage provided by 1TB per 4 cameras (continuous - full 25 frames per second) |
Days of storage provided by 1TB per 4 cameras (50% motion- 15 frames per second) |
|---|---|---|---|
| 1 | 44 | 11 | 36 |
| 2 | 22 | 5 | 18 |
| 3 | 17 | 4 | 14 |
| 4 | 11 | 3 | 9 |
| 5 | 9 | 2 | 8 |
| 6 | 8 | 2 | 6 |
| 8 (4K) | 5 | 1 | 4 |
| 12 | 4 | 0.5 | 3 |
As a rule of thumb we recommend a minimum of 2 Terabytes per 4 x 2-4MP HD cameras, as this should give you 2 weeks to a month with a few adjustments on motion detected recording. You may only require the full 25 frames per second on certain cameras if things are fast moving.
(All of our hard drives come fitted and are CCTV specific from one of the major brands)
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Uniview 32-Channel AI PoE NVR with 16 Built-in PoE Ports, Dual HDD Support, 4K Output & IQ Smart Analytics (UV-NVR502-32B-P16-IQ)
The UV-NVR502-32B-P16-IQ is a high-performance enterprise AI Network Video Recorder designed for large-scale IP surveillance systems. It supports up to 32 IP cameras and includes 16 built-in PoE ports for direct plug-and-play camera connectivity without requiring external PoE switches. Powered by Uniview’s IQ AI engine, it provides advanced intelligent analytics including Ultra Motion Detection (UMD), AcuSearch, Smart Intrusion Prevention (SIP), facial recognition, vehicle analysis, and heat mapping. With support for Ultra 265/H.265 compression and dual SATA HDD bays, it delivers efficient long-term storage while maintaining high-quality recording performance. The recorder supports up to 16MP camera input and 4K HDMI output, making it ideal for enterprises, factories, shopping malls, schools, warehouses, and professional surveillance deployments.
Key Features
- 32-channel IP camera support
- 16 × built-in PoE ports (IEEE 802.3af/at)
- AI-powered IQ analytics engine
- Supports Ultra 265 / H.265 / H.264 compression
- 4K HDMI output + VGA display
- Supports up to 16MP IP cameras
- AcuSearch intelligent video search
- Smart Intrusion Prevention (human/vehicle filtering)
- Ultra Motion Detection (UMD)
- Facial recognition support
- Vehicle analysis & heat mapping
- RAID storage support for data protection
- Dual SATA HDD bays (up to 16TB each)
- ONVIF / RTSP compatibility
- ANR technology for recording reliability
- Remote monitoring via UNV-Link & CMS software
- Stable 24/7 enterprise surveillance performance
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