Upgrading from Swann DVR4-4750 with 3MP analog cameras

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James Atkin

• January 12, 2026 20:37

Hi

The main unit (DVR4-4750) in my existing CCTV unit failed. 

I purchased an Annke DW81KT unit as it claimed to support 3MP cameras

The cameras are Swann Pro T858 3MP cameras

I have connected everything up, but I get no image feed from any of the cameras. 

When I go to the config page showing the stream settings, I do not see 3MP on the list! 

The top of each one says "Camera Resolution: NO VIDEO"

Any idea how I can get this unit to work with these cameras?

Thanks

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  James Atkin

  • January 12, 2026 20:43

  From what I have read, the T858 cameras are normally locked to 1536p (3MP) TVI so it looks like it should work :-( 

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