Model：UN-1804HC（4 routes）、UN-1808HC（8 routes）、UN-1816HC（16 routes）

Series:1800HC Series（Video Ring Circuit with Audio）

1)About DVR:

Standard: H.264

Video Chip: DSP Processor

Main CPU: Embedded MPU Processor

Operation System: RTOS Embedded System

We use DSP of high integration &capability and low consumption to run the system steadily all the time.

2)Technology Parameter:

Real-time Surveillance Resolution:PAL:704*576(D1)NTSC:704*480(D1)

Play Resolution:PAL:176*144(QCIF),352*288(CIF)

NTSC:176*120(QCIF),352*240(CIF)

Video Input:1-16 Routes(NTSC,PAL ,Auto Recognition),BNC

Video Output:1 route (NTSC,PAL),BNC, switch, support 1/4/9/16 picture division.

Video Frame Frequency: PAL:1/16~25 frame/second, changefully

NTSC: 1/16~30 frame/second, changefully

Code Type :Single or complex

Video Condensation Output:32K~2M changefully, or user-defined(bps)

Audio Input:1-16 Route, BNC

Audio Output:1 Route BNC

Audio Compression Standard : Ogg Vorbis.

Audio Condensation Frequency:16K bps.

VOIP Input:1 Route, BNC

Communication Port: 1 pc 10M/100M for Ethernet,1 for RS232,1 for RS485.

Keyboard Port:1 :1  Rank port 1 VGA

HD IDE Port: Support 8 IDE Disks, of Volume 2000GB for each one

USB Port:1 U-Disk, USB HD,USB Recorder.

Alarm Input/Output:4 Input/2 Output;8 Input/4 Output;16 Input/4 Output.

Alarm Output support switch or  single connect.