Dahua NVD0105DH-4K DECODER, Ultra HD Network Video Decoder
Built as a standalone network video decoder for control room and operator workstation deployments, the NVD0105DH-4K decodes up to 64 channels simultaneously and outputs a true 4K Ultra HD signal via HDMI. It supports H.265+, H.264, MPEG4, and MJPEG formats, making it compatible with a broad range of existing IP camera systems.
Why This Model
- Wide decoding flexibility: Handles resolutions from CIF all the way up to 32MP, so it works cleanly with legacy cameras and modern high-resolution units on the same system without conversion headaches.
- 4K HDMI output with split-screen layouts: Supports 1/4/9/16/25/36/64 display splits at up to 3840×2160, letting operators monitor large channel counts on a single 4K display without an external matrix.
- Alarm I/O and serial ports included: 4 alarm inputs, 4 relay outputs, RS232, and RS485 are all onboard, enabling integration with third-party access control or alarm panels without additional hardware.
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Product Overview
Model: DHU30002 NVD0105DH-4K
Who This Is For
For integrators and security managers who need to push live or recorded video from a network-based surveillance system onto a dedicated display without routing everything through a PC workstation, the Dahua NVD0105DH-4K is a purpose-built standalone decoder designed for exactly that. It accepts IP video streams directly over the network and outputs to HDMI at full 4K Ultra HD resolution, making it a practical fit for control rooms, reception desks, security monitoring stations, and video wall installations where a dedicated decoding appliance is cleaner than a software-based viewer. With support for up to 64 channels at D1 or 16 channels at 1080p simultaneously, and a compact 1U rackmount chassis, the NVD0105DH-4K suits installations where display infrastructure needs to be separated from recording infrastructure and managed independently.
What This Product Actually Does
4K HDMI Output
The HDMI output supports 3840x2160 at 30fps, meaning a single 32MP IP camera stream can be decoded and displayed at full resolution on a 4K monitor or video wall panel. VGA output is also available for legacy displays that don't carry HDMI inputs.
Multi-Channel Decoding
Handles 1 channel at 32MP, 4 channels at 8MP, 16 channels at 1080p, or up to 64 channels at D1 on a single output. Display split modes include 1/4/9/16/25/36/64 views, giving operators direct control over how many feeds appear on screen simultaneously.
Broad Codec Compatibility
Supports H.265+, H.265, H.264, MPEG4, MPEG2, and MJPEG decoding, which means the NVD0105DH-4K can pull streams from older and newer camera systems on the same network without requiring a recording device to transcode the video first.
Alarm Integration
4 alarm inputs and 4 relay outputs (30VDC 1A, 125VAC 0.5A) allow the decoder to trigger external devices or respond to alarm signals from the wider security system. RS232 and RS485 ports extend integration options to third-party equipment and control systems.
Standalone GUI Operation
A local graphical interface supports direct mouse operation, so operators can switch layouts, select channels, and manage display configuration without needing a separate PC or VMS client open. Web interface access is also available for remote configuration.
Who Buys This Model
- Control Room Integrators: Installing dedicated monitoring stations where display hardware needs to be separated from the NVR, with 4K output going to large-format screens or video wall panels.
- Commercial Site Security Managers: Running 16 or more 1080p cameras and wanting to drive a guard station monitor directly from the network without a PC-based viewer consuming workstation resources.
- Government and Institutional Facilities: Needing alarm relay output integration and RS485/RS232 serial connectivity to connect decoder output into broader building management or intercom systems.
- Retail and Hospitality Groups: Using 32MP or 12MP panoramic cameras at key locations and requiring a decoder that can output a single high-resolution stream at full 4K fidelity on a lobby or back-office monitor.
Honest Assessment
The NVD0105DH-4K does the specific job of decoding network video and putting it on a monitor cleanly and independently of a recording device. The 4K HDMI output with support for up to 32MP input resolution is a genuine capability that most budget decoders don't match. The 64-channel D1 and 16-channel 1080p decoding capacity, combined with 1/4/9/16/25/36/64 split display modes, gives operators meaningful flexibility for how many feeds appear on a single screen. The alarm I/O and serial ports make integration into wider security infrastructure straightforward for experienced installers. Where the NVD0105DH-4K will not serve is as a recording or storage device - it has no internal drive bays and performs no recording function. Installations that need both display and recording at the same point require an NVR rather than a standalone decoder. Available through Security Australia, this unit suits display-only roles in larger systems where recording is handled elsewhere on the network.
Before You Buy
Network Bandwidth: At full 16-channel 1080p decoding, the NVD0105DH-4K draws all streams simultaneously over its single Gigabit RJ45 port. Confirm your switch and network segment can sustain the aggregate bandwidth of all decoded streams at once - particularly if the same network segment also carries NVR recording traffic. Segment control room decoder traffic onto a dedicated VLAN where possible to avoid contention.
Display Input Matching: The HDMI output supports 4K at 30fps and is the correct connection for a 4K monitor. The VGA output is limited to lower resolutions and is best treated as a secondary or legacy option only. Confirm your intended monitor or video wall input accepts HDMI 4K at 3840x2160 before specifying display hardware alongside this decoder.
Quick Fit Check
- Good match if: You need a rackmount 1U device that decodes up to 16 channels of 1080p IP video and outputs to a 4K HDMI display without involving a PC or NVR in the display chain.
- Good match if: Your installation includes alarm relay requirements - the 4 alarm inputs and 4 relay outputs let the decoder act as a bridge between camera events and external devices like doors, lights, or intercoms.
- You may need a different model if: Your site needs local video recording alongside display - a network video recorder with monitor output would be a more appropriate product type for combined record-and-display roles.
Key Features & Technical Specifications
Real-World Scenarios
How It Compares
- Choose this if: You need a dedicated 1U display device that decodes up to 32MP or 16-channel 1080p network video and outputs at 4K HDMI independently of any NVR or PC, with alarm I/O for system integration.
- You may need a different model if: Your installation needs local video recording - a network video recorder with monitor output built in is the more appropriate product type for sites that need to record and display from a single device.
- Pairs well with: A multi-channel NVR handling all recording duties on the same network, with this decoder providing a clean, independent display output at a separate operator workstation or guard desk.
Common Questions
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Does the NVD0105DH-4K record video or does it only display it?
It only displays video - there is no recording function and no storage capability in this unit. The NVD0105DH-4K is a decoder only. All recording must be handled by a separate NVR or DVR on the same network. The decoder connects to those recorders or directly to cameras and outputs the live or playback stream to a connected monitor. -
Will this decoder work with cameras from other manufacturers or only Dahua cameras?
Yes, it is compatible with non-Dahua cameras provided those cameras stream over standard network protocols and use a supported codec. The NVD0105DH-4K decodes H.265+, H.265, H.264, MPEG4, MPEG2, and MJPEG streams. ONVIF-compatible cameras from third-party manufacturers typically integrate without issue, though advanced feature support may vary between brands. -
How many channels can the NVD0105DH-4K display at once?
Up to 64 channels simultaneously at D1 resolution, or 16 channels at 1080p, or 4 channels at 8MP, or 1 channel at 32MP. The display split modes available are 1, 4, 9, 16, 25, 36, and 64 views. Maximum channel count is directly tied to the resolution of the streams being decoded - higher resolution streams reduce the total channel count the device can handle at once. -
Does this unit output 4K resolution and what cable is needed?
Yes. The HDMI output supports 3840x2160 at 30fps, which is 4K Ultra HD. A standard HDMI cable connected to a 4K-capable monitor will output at full 4K. The VGA output does not support 4K and is limited to lower resolutions such as 1920x1080, 1280x1024, or 1280x720. Use the HDMI output for any 4K display requirement. -
What are the alarm relay output specifications and what can they trigger?
The NVD0105DH-4K has 4 relay outputs rated at 30VDC 1A or 125VAC 0.5A. These relay outputs can trigger external devices such as strobes, sounders, door release hardware, or third-party control panels. The 4 alarm inputs accept dry contact signals from sensors, enabling the decoder to switch display layouts or activate relay outputs in response to an alarm condition. -
Does the NVD0105DH-4K need a separate PC to operate, or can it run as a standalone device?
No separate PC is required. The unit runs an embedded Linux operating system and includes a local GUI that supports direct mouse operation. An operator can connect a USB mouse and HDMI monitor and control all display functions - including layout switching and channel selection - entirely from the decoder itself. Remote configuration is also available through a web interface if needed. The NVD0105DH-4K is part of the Security Australia range and is designed for exactly this kind of standalone deployment. -
What are the power requirements for the NVD0105DH-4K?
The unit runs on DC 12V at 3.3A and consumes a maximum of 20W. It does not accept PoE and requires a dedicated DC power supply - the power adapter should be confirmed as part of the installation plan. At 20W maximum consumption, ongoing power costs are minimal, making it practical for always-on deployments in control rooms or monitoring stations.
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What This Product Does
Built as a standalone network video decoder for control room and operator workstation deployments, the NVD0105DH-4K decodes up to 64 channels simultaneously and outputs a true 4K Ultra HD signal via HDMI. It supports H.265+, H.264, MPEG4, and MJPEG formats, making it compatible with a broad range of existing IP camera systems.
Why This Model
- Wide decoding flexibility: Handles resolutions from CIF all the way up to 32MP, so it works cleanly with legacy cameras and modern high-resolution units on the same system without conversion headaches.
- 4K HDMI output with split-screen layouts: Supports 1/4/9/16/25/36/64 display splits at up to 3840×2160, letting operators monitor large channel counts on a single 4K display without an external matrix.
- Alarm I/O and serial ports included: 4 alarm inputs, 4 relay outputs, RS232, and RS485 are all onboard, enabling integration with third-party access control or alarm panels without additional hardware.
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Ask our team before ordering. We can help confirm lens choice, recorder compatibility, mounting accessories and project quantities.
Specifications
Specifications
| System | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Processor | Embedded processor | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Operating System | Embedded LINUX | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Performance | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Video Format | H.265+/ H.265/ H.264/ MPEG4/ MPEG2/ MJPEG | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Audio Format | PCM/G.711 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Decoding Resolution | 32MP/12MP/8MP/5MP/3MP/1080P/720P/960H/D1/HD1/2CIF/CIF/QCIF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Video Output | HDMI/VGA | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Display Resolution | 3840×2160(30fps)/1920×1080/1280×1024/1280×720/1024×768 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Audio Output | HDMI (embedded) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Communication Interface | 1 RJ45 network port (10M/100M/1000M, Self-adaptive); 1 RS232(DB9); 1 RS485 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Bi-directional Talk | 1 channel (reserved), RCA in / RCA out (2Vrms, 10K ohms) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Alarm Input | 4ch | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Alarm Output | 4ch relay out (30VDC 1A, 125VAC, 0.5A) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Others | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Power Supply | DC12V, 3.3A | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Power Consumption | ≤20W | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Working Temperature | -10 °C to +55 °C (14 °F to 131 °F) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Working Humidity | 10~90%RH / 86~106kpa | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Unit Dimension | 1U, 440×322.8×44mm(17.32 × 12.71 × 1.73 inch), (W*D*H) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Weight | 3.2Kg(7.05 lb) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Shipping & Warranty
3 Years Manufacturer Warranty
All IP cameras and recording devices (NVR’s/DVR’s) are covered by a 3 year back-to-base manufacturer warranty.
Our warranty is limited to the replacement of faulty items or parts and does not include damage due to incorrect fitting of parts or accessories, or damage due to mishandling the equipment once out of the box. All faults are sent to the manufacturer for inspection and diagnosis before a replacement is sent out.
Read more about the Terms & Conditions here – https://www.securityaustralia.com.au/terms-and-conditions/
Free Delivery* & Despatch Time
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Dahua NVD0105DH-4K DECODER, Ultra HD Network Video Decoder