3-D Keyboard CCTV Surveillance Product 1.CCTV manufacture 2.Payment:T/T,L/C 3.Warranty:2 years

3-D Keyboard CCTV Surveillance Product

Function

3-D KeyboardMain and subsidiary keyboard for optionalCould control 256 decoders in MaxRS-485 communication protocol, control distance is 1200m

Technical Data

Electrical considerationInput voltage: 9V-12V AC/DCRated power: 2.5WCommunication's considerationCommunication interface: RS485 x1,  RS422 x1, RS232x 1, RJ45Communication frequency: 2400Bps , 4800Bps, 9600BpsCommunication distance: 1.2KM(RS485 and Rs422 can achieve it)Operational environment:Operating temperature: 0 degree -40 degreeRelative humidity: less than 90%

3-D Keyboard CCTV Surveillance Product