UD1B-4: 4 Channel Recorder

Ultra Series

4 Ch TVI/AHD/CVI/Analog Universal Port Recorder
(3MP on Port 1, 2 MP on Ports 2-4), with 1 Bonus IP Ch (4 MP), Up to 5 cameras total, 1 HD Bay, 4K


  • 4 Channel Universal Port 3MP DVR (AHD/CVI 1080p/720p, Analog)
  • 1 Channel 3MP TVI Input (Available on Channel 1 Only)
  • 1 Bonus IP Channel - Up To 4 Megapixel 
  • H.265+/H.265/H.264+/H.264 Video Compresssion (H.265+/H.265/H.264+ Only Compatibile with Ultra Cameras)
  • HDMI up to 4K Resolution
  • VGA up to 1080p Resolution
  • CVBS Spot Monitor 
  • Supports up to 4 Channel Simultaneous Playback
  • Multiple video search options including Smart Search and Sub-Periods for quick retrieval of footage.  
  • Free iOS & Android Apps for Smart Phones & Tablets
  • Free Central Management Software (CMS) to manage multiple units & sites from a single platform
  • Free MAC client software to easily manage your system from your Apple computer


      Model Number UD1B-4
      Video compression H.264 / H.264+ /H.265 / H.265+
      Analog, AHD, HD-TVI and HD-CVI video input 4 Ch., BNC interface (1.0Vp-p, 75Ω)
      HDTVI Input 3 MP, 1080p, 720p
      Note: The 3 MP signal input is only available for channel 1
      AHD Input 1080p, 720p
      HDCVI Input 1080p, 720p
      CVBS Input PAL/NTSC
      IP Video Input 1CH, Up to 4MP Resolution / Supports H.265+/H.265/H.264+/H.264 IP cameras
      Audio compression G.711u
      Audio input / Two-way audio in 1-ch, RCA (2.0 Vp-p, 1 KΩ)
      Video Output 1 HDMI, 1 VGA, 1 CVBS
      CVBS Output PAL/NTSC
      VGA output 1920×1080@60Hz, 1280×1024@60Hz, 1280×720@60Hz, 1024×768@60Hz
      HDMI output 4K (3840 × 2160)@30Hz, 2K (2560 × 1440)@60Hz, 1920×1080@60Hz, 1280×1024@60Hz, 1280×720@60Hz, 1024×768@60Hz
      Encoding resolution When 1080p Lite mode not enabled: 3 MP/1080p/720p/VGA/WD1/4CIF/CIF
      When 1080p Lite mode enabled: 3 MP/1080p lite/720p lite/VGA/WD1/4CIF/CIF
      Frame rate Main stream: When 1080p Lite mode not enabled: For 3 MP stream access: 3 MP/1080p/720p/VGA/WD1/4CIF/CIF@15fps
      For 1080p stream access: 1080p/720p@15fps; VGA/WD1/4CIF/CIF@25fps (P)@30fps (N)
      For 720p stream access: 720p/VGA/WD1/4CIF/CIF@25fps (P)@30fps (N)
      When 1080p Lite mode enabled:
      3 MP@15fps
      1080p lite/720p lite/VGA/WD1/4CIF/CIF@25fps (P)@30fps (N)
      Sub-stream: When 1080p Lite mode not enabled: WD1/4CIF@12fps; CIF@25fps (P)/30fps (N)
      Video bitrate 32 Kbps to 6 Mbps
      Audio output 1 Ch., RCA (Linear, 1KΩ)
      Audio bitrate 64 Kbps
      Dual-stream Support
      Stream type Video & Audio
      Synchronous playback 4 Ch.
      Playback resolution 1080P / 720P / VGA / WD1 / 4CIF / CIF / QVGA / QCIF
      Remote connections 128
      SATA 1 SATA interface
      Capacity Up to 10TB capacity
      Network interface 1; 10M / 100M self-adaptive Ethernet interface
      Serial interface 1 x RS-485 serial interface
      USB port 2 × USB2.0
      Power supply 12 VDC
      Consumption (without hard disks) ≤ 6W
      Working temperature -10 ºC ~+55 ºC (14 ºF ~ 131 ºF)
      Working humidity 10% ~ 90%
      Dimensions 315 × 242 × 45 mm (12.4 × 9.5 × 1.8 inch)
      Weight (without hard disks) 2.6 lb


      UD1B-4/2TB: 4 Ch Universal Port Recorder, 2 TB
      Also available with 4, 8 TB