Spec Sheet

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 en-
abled: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
Network protocols
TCP/IP, PPPoE, DHCP, DNS, DDNS, NTP, SADP, SMTP, NFS, iSCSI,
UPnP, HTTPS, ONVIF
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
• 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
UD1B-4
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 10 cameras total, 1 HD Bay, 4K
Ordering Information
UD1B-4/2TB: 4 Ch Universal Port Recorder, 2 TB
Also available with 4, 8 TB
InVid Tech, reserves the right to make changes to improve our products at any time without notice; we are not responsible for misprints.
Innovative Video Technology 355 Oser Avenue, Hauppauge, NY 11788 | 631-388-5700 | [e-mail] | www.invidtech.com