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 chip2. Single machine biggest 256 cameras and 32 monitor...

1.high quality,competitive price 2.8U large-scale matrix host 3.Environmental temperature -10~55degree C 1.Single machine biggest 256 cameras and 32 monitor cameras, box camera supported at most 1024and 64 monitor2.Comprehensive menu can set , menu display can select system time,...

1.high quality,competitive price 2.4U large-scale matrix host 3.Audio bandwidth 20KHz (-3db) 1.Single machine biggest 128 cameras and 32 monitor cameras, box camera supported at most 1024and 32 monitor2.Comprehensive menu can set , menu display can select system time, date, running...

1.high quality,competitive price 2.large-scale matrix host 3.Audio isolation 48db (weighted) 1 Microcomputer modular board structure, high density matrix design, large-scale audio video special-purpose chip2. Single machine biggest 64 cameras and 16 monitor cameras, box camera...

1.menu display can select system time, date, running state, camera title 2.2u cctv audio matrix 3.video bandwidth 17MHz (- 3db 2u cctv audio matrix1 microcomputer modular board structure, high density matrix design, large-scale audio video special-purpose chip2. Single machine biggest...

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 chip2. Single machine biggest 256 cameras and 32 monitor...

1.comprehensive menu can set 2.rs- 485 communication, rs-422 communication, powerful network control functions 3.cheap matrix Product description:1 microcomputer modular board structure, high density matrix design, large-scale audio video special-purpose chip2. Single machine biggest...

1.video formats CCIR and PAL 2.video output 1Vp - p(75 ohm load) 3.video signal-to-noise ratio 50db 4.cheap matatrix Product description:cheap matrix1 microcomputer modular board structure, high density matrix design, large-scale audio video special-purpose chip2. Single machine...

1Single 485 signal input 2the no.4 485 signals output 3every road control scope is 12 meters 4high quality,reasonable price 1 Single 485 signal input, the no.4 485 signals output, every road control scope is 12 meters2 Each channel has the same baud rate, but the address can not be...

1Using NEC general IR control chip,compatibility is strong 2IR receive distance is within 10 meters 3high quality,low price 1 Using NEC general IR control chip, compatibility is strong2 IR receive distance is within 10 meters3 Receive and send equipment has a variety of agreement(...