1.reasonable price
2. best quality
3.surveillance equipment
4.video signal-to-noise ratio 50db

Product description:

1 microcomputer modular board structure, high density matrix design, large-scale audio video special-purpose chip

2. Single machine biggest 256 cameras and 32 monitor cameras, box camera supported at most 1024and 64 monitor

3 comprehensive menu can set , menu display can select system time, date, running state, camera title

4. Can use at most 16 complete functions, according to the principle of ergonomic keyboard or multimedia terminal design for system operation and programming

5 the keyboard password input priority operating systems division, manage system’s safe

6 free, procedures, synchronization, group switching mode

7. Video and audio switch, the alarm switch control of the trinity

8. Control constant speed or variable speed ptz, spherical ptz/control electric lens

9 after the alarm, linkage video switching and audio switching, automatic video alarm output can program alarm state and then output

10. The rs- 485 communication, rs-422 communication, powerful network control functions

12 protocol hardware output, baud rate output function, stable performance. PELCO - D, PELCO – p,1200,2400,4800,9600

13 multiple hosts simultaneous control point function

Equipment parameter:

1 power supplies < 100W AC220V ± 10persent / 50Hz

2 video input 1Vp - p (75 ohm load, umbalance),

3 video output 1Vp - p (75 ohm load, umbalance),

4 video signal-to-noise ratio 50db (weighted)

5. Video isolation rate 50db (weighted)

6 video bandwidth 17MHz (- 3db)

7. difference phase typical values for 2persent

8. difference gain typical values for 2persent  

9 video formats CCIR and PAL

10.The audio input amplitude 0-2Vp - p

11. The audio output power 0.5w (8w),

12 audio signal-to-noise ratio 48db(weighted)

13. Audio isolation 48db (weighted)

14 audio bandwidth 20KHz (-3db)

15 switching time < 1 milliseconds

16 audio and video interface  video: BNC socket outlets   audio:RCA socket outlets

17. Environmental temperature  -10°C~55°C

18. The environment humidity  no more than 90 perset RH (condensate)

19.The appearance size 334mm (L) x 480mm (W) x 178mm (H),

20.16kg quantity (full of the module )