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Zhejiang Dahua Technology Co., Ltd. Zhejiang Dahua Technology Co., Ltd.


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Zhejiang Dahua Technology Co., Ltd. > Embedded DVR > G Series DVR > DH-DVRXX04GB-U / LGB-U Series DVR

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GB-U Series DVR

GB-U Series DVR
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Updated: 2017-07-08 14:32:11 Views: 3982

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Product introduction
Features: Use Z's new USB2.0 interface to further stabilize the USB mouse function and quickly implement USB backup, USB upgrade and other operations; use high-performance DSP to implement standard H.264 compression algorithm, finer images, smaller code stream, Network transmission is smoother; adopting standard network protocols and standard compression algorithms to easily achieve interoperability on various platforms; using SATA hard disk interface and supporting SATA burning backup;

Technical Parameters





Main processor

Industrial embedded microcontroller

operating system

Embedded LINUX operating system

system resource

Simultaneous multi-channel recording, simultaneous recording playback, and network operation

Operation interface

16-bit true color graphical menu operation interface, support mouse operation, with menu notes

Screen display

1/4/8/9/16 screen display

Video standard

PAL (625 lines, 50 fields / second), NTSC (525 lines, 60 fields / second)

Monitor image quality

PAL system, D1 (704 × 576)

Playback image quality

PAL system, CIF (352 × 288), HD1 (352 × 576), BCIF (528 × 288), D1 (704 × 576)

Image Compression

H.264 limited stream, H.264 variable stream

Image control

6 levels adjustable, support dual stream

Recording speed (CIF)

PAL system: 200fps free combination per 4 channels, NTSC system: 240fps free combination per 4 channels

Image motion detection

192 (16 × 12) detection areas can be set per screen; multi-level sensitivity can be set

Audio compression

G.711 no


Supports independent intercom channels no
Recording method and priority Manual> Alarm> Dynamic Detection> Timing

Local playback

Support 1 channel playback

Video query method

Point-in-time search, calendar search, event search, channel search

Hard disk space occupied by each channel

Audio: 28.8M bytes / hour + video: 56 ~ 900M bytes / hour

Video: 56 ~ 900M bytes / hour

Video save

Local hard disk, network

Backup method

Network backup, USB backup, SATA backup

Video input

4/8 / 16-channel composite video (PAL ), BNC (1.0VP-P, 75Ω)

8/12 / 16ch composite video (PAL ), BNC (1.0VP-P, 75Ω) 16-channel composite video (PAL ), BNC (1.0VP-P, 75Ω)

Video output

2 composite video (PAL / NTSC) BNC (1.0VP-P, 75Ω), 1 VGA output

Loop-through output


8/12 / 16ch composite video (PAL / NTSC)

BNC (1.0VP-P, 75Ω)

16-channel composite video (PAL / NTSC)

BNC (1.0VP-P, 75Ω)

Matrix output


1 composite video (PAL / NTSC) BNC (1.0VP-P, 75Ω) 4CH composite video (PAL / NTSC) BNC (1.0VP-P, 75Ω)

Audio input

4/8/16 RCA audio input, 1 RCA voice intercom input 4 RCA audio inputs, 1 RCA voice intercom input


Audio output

1 RCA (200-300mv5kΩ)


Alarm input

16 alarm inputs (active low)

Alarm Output

6 relay outputs

Alarm relay

30VDC 1A, 125VAC 1A (linked output)

Network Interface

RJ45 10M / 100M adaptive Ethernet port

PTZ control interface

1 RS485, 1 RS232

USB interface

2 USB2.0 ports

Number of hard disks and interfaces

8 SATA interfaces

power supply

220V + 10% 50Hz + 2% / 110V 60Hz

Power consumption (excluding hard disk)


Working temperature

0 ℃ ~ + 55 ℃

Use humidity

10% ~ 90%

Atmospheric pressure

86kpa ~ 106kpa


2U standard industrial chassis, 440 (W) x460 (D) x89 (H) mm


6.5 ~ 7.5KG (excluding hard disk)

Installation method

Rack mount, desktop mount


  1. Use zui's new USB2.0 interface to further stabilize the USB mouse function and quickly implement USB backup, USB upgrade and other operations;
  2. Adopting high-performance DSP to implement the standard H.264 compression algorithm, the image is finer, the code stream is smaller, and the network transmission is smoother;
  3. Adopt standard network protocols and standard compression algorithms to easily achieve interconnection and interoperability on various platforms;
  4. Adopt SATA hard disk interface, support SATA burning backup;
  5. Adopt dual stream technology, more suitable for narrowband transmission, real-time recording support; D1 / HD1 / CIF / QCIF optimized combination;
  6. Suitable for financial, energy, urban security and other monitoring occasions with high image quality and network transmission requirements and long storage time

查看所有产品 View other products by this company

Zhejiang Dahua Technology Co., Ltd. Main Products: Dahua DVR; Dahua Car DVR; L dedicated DVR; G series DVR; H series DVR; DVR F series; dvr DVR; ATM DVR; hard disk Video Recorder H Series Dedicated DVR Address: 1187 Bin'an Road, Binjiang District, Hangzhou City Phone: FAX: 0571-28933188
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