CH340G Chip USB to RS485 485 Converter Adapter For Win7/Linux/XP/Vista top M94

Specification:
    Dimension:6.0 x1.8x1.4cm
    Color: Black
    Support System: Windows XP , Vista, Windows 7 , Linux , MacOS , and WinCE5.0 drive
    Supports baud rate range : 75bps - 115200bps , up to 6Mbps
    Supports Plug , Play and hot-swap ( USB side) ;
    Better than using CH341D chip or similar chip to support the laptop USB port .
    Communication distance up to 1.2KM, with anti-jamming performance of industrial site ;
    Work temperature range: -40°C ~ +85°C
    Communication distance :1200m(max)   Applications:
    All kinds with RS485 port device parameter settings , data communication
    Short distance , such as parameter settings of the computer peripheral equipment , the use of common data lines can be .
    A and A port of the device when the wiring is connected , B and device B connected . Some devices D + A and D, - B .
    LED display of communication data
    Machine PLC data reading and writing
    Monitoring data read and write , and PTZ control
    Centralized control of household electrical appliances
    Access Control System ; card
    A variety of industrial automation ; instrumentation
    Parking ; bus fees
    Dining Hall ; staff attendance
    Highway toll station; ATM machine