ANT-37000A SpotBox4K Multiviewer 1,4,9,16 views- 4K UHD HDMI Display decoder for ONVIF H.264 & H.265

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Please note this product is now EOL and has been replaced by ANT-37100.  If you have previously used or purchased a Spotbox (ANT-37000/A) then please be assured this unit will function in exactly the same way but with some added physical enhancements.

Key Features

  • 4K, 3840 x 2160, 8MP, UHD, HD or SD Decode + Display
  • H.264 & H.265 Decoder with 1,4,9 & 16 tile display
  • HDMI Output, 4K over v1.4 HDMI or 720/1080P
  • Decodes up to 32  IP streams and conformant to the most widely used CCTV standards
  • Auto switching of views in all display modes IR remote control supplied

Product Overview

ANT-37000A is exactly the same as the previous ANT-37000 product but has slightly different internal hardware hence the varied ‘A’ part number, it will perform exactly as the ANT-37000 does so there would be no difference to the user.

ANT-37000A SpotBox4K 4K UHD HDMI Input H.264 & H.265 4K Video Decoder, capable of up to a maximum output and decode resolution of 3840 x 2160 for a single stream, and up to 16 URL streams decode in resolutions from 480P ,720P  to 1920 x 1080 P60 using an IP LAN ethernet connection. Can discover & display most IP streams and conformant to the most widely used CCTV standards.

A single view can decode 3840×2160 P30 or 1920x1080P60 and these can be automatically switched for up to 32 cameras.

Available viewing modes of full screen , quad view 9 view and 16 view on either a 4K or 1080P monitor. In 4K display mode all cameras are displayed in their native resolution, no scaling.

Auto discovery of cameras or manual entry of RTSP URLs makes this box very easy to program as it finds all discoverable cameras on a network. The box can also automatically select the best profile for a particular view. This ensures you get best possible clarity in each view.

Control of views and selection of an individual camera is done via the IR remote control or this can be programmed as a sequence.

Auto reboot into a specific view is available and fail safe reboot after power cut. No OS to manage or keyboard and mouse or licence per camera..all included.

The SpotBox4K is both a H.264 & H.265 video decoder and is designed as a low cost, PC-Less way to view and display Ip camera streams in Ultra high resolution onto a 4K/1080p screen or monitor.

Multiple streaming formats are supported such as Up to 32 URL’s, MPEG-TS, ONVIF & RTSP Streams Supported.

The decoder is powered via 12V D/C power converter supplied with multi country connectors.

A full SDK is available for control of multiple boxes and a web interface for setup and firmware upgrades.Firmware is being updated constantly to give more features and capabilities to the Spotbox4k. Firmware upgrades are free and no decode licenses apply.

Viewing / Display Modes

1. Full Screen Mode – up to 4K resolution. In this mode 1 camera will display in full screen mode, you can then programme up to 32 cameras which will cycle through one after another. One the cameras have been cycled through the view will return to the beginning.

2. Quad Screen Mode – display 4 x 1080P60 streams on a 4K monitor. You can programme up to 32 cameras to display and view them in quad mode (4 cameras on screen) – after this it can be programmed to switch to another quad screen of cameras (a different set of 4 cameras on screen).

3. 9 Camera Display Mode – Display 9 x cameras on a monitor (resolution scaled to monitor used). You can programme up to 32 cameras to display and view them in 9 camera display mode (3×3) – after this it can be programmed to switch to another view of 9 cameras (a different set of 9 cameras on screen).

4. 16 Camera Display Mode – Display 16 x cameras on a monitor (resolution scaled to monitor used). You can programme up to 32 cameras to display and view them in 16 camera display mode (4×4) – after this it can be programmed to switch to another view of 9 cameras (a different set of 9 cameras on screen).


If you are interested in the ANT-37000 and reside in the USA, please visit our US page.

  • HDMI Connection to Monitor/TV
  • ONVIF Compatible H.264 & H.265 4K HD Video Decoder
  • Up to 4K, UHD, 8MP 3840 x 2160 single decode over 1.4v HDMI
  • Multiple stream decode – Up to 16 simultaneously (resolutions vary depending on # decoded)
  • Network Connection using IP LAN ethernet connection
  • Low Cost, Easy To Use Product
  • NO PC or VMS Required
  • Up to 16 URL’s, MPEG-TS & RTSP Streams Supported
  • Powered via 12V with US UK EU and China/Australia power adapter units in box
  • IR remote control supplied for switching of views
  • Mounting kit supplied and IR extender cable
  • Full SDK available or web based programming upgrade
System Mode Decoder
System Standards ONVIF Discovery, RTSP,HTTP, MPEG-TS
System Latency >150mS (system dependant)
Video Compression H.264 or H.265
Video Profile Baseline & High
Video Frame Rate 1-60 fps single screen or 1-30FPS multi view
Video Bit Rate 32k-10 mbps
Video Mode GOP
Video Bit Rate Control CBR, VBR
Video Min Resolution 352 x 240
Video Max Resolution 3840 x 2160 P30
Video Number of Streams 4×4 (16) @480P 3×3 (9) @720P 2×2 (4) @1080P or 1 x1  3840 x 2160 P30 Single Mode P60 for other resolutions in full screen
Video Inputs N/A
Video Input Combinations N/A
Video Outputs 1 x HDMI 1.3 (DVI)
Video Output Combinations HDMI 1.3 Output
Video On Screen Display English
Audio Mode  N/A
Audio Compression  N/A
Audio Sample Rate  N/A
Audio Bit Rate  N/A
Audio Streaming  N/A
Audio Inputs N/A
Audio Outputs  N/A
Network Interface 10-100 Ethernet RJ45
Network Protocols IPv4, TCP, UDP, DHCP,HTTP,RTSP,DNS, NTP
Network Security Password Protection
Network Configuration SDK, WEB
Data Type N/A
Data Interface N/A
Data Protocol N/A
Data Alarm N/A
Data Sensor N/A
Event Sources N/A
Event Actions N/A
Power Supply 12v
Power Adapter input volts AC 110-240v
Power Adapter Output Voltage 12v DC
Power Consumption 5w
Recording Edge Storage N/A
Temperature Operating Range 0 + 50C
Physical Dimensions 116 x 116 x 30mm
Physical Weight 231g
Physical Housing Black Polymer
General Certifications CE , FCC, RoHS
General Software N/A
General Warranty 12 Months
General Remote IR Remote
General Reset Web or IR Remote
Control & Set Up Set Up Web Interface API Document
Control IR Remote Control
Upgrade Firmware Upgrade
In the Box Contents Decoder , 12v Power Supply & Lead , HDMI, IR Extender. Bracket available seperateley.
Power Cable/adapter 1 of either UK/US/EU/China/Aus

A few of the applications are:

  • Connect to a monitor as an easy / simple add on to an existing security set up – for additional viewing desks etc
  • Use in place of NVR / DVR / VMS as a way of viewing cameras, and utilising edge recording on the IP cameras.
  • In residential properties the box can be connected to existing TV as additional source / input to view residential / business ip security cameras.

This product is not limited to the markets and applications.