5Pcs Usb To RS485 485 Converter Adapter CH340G For WIN7/LINUX/XP/VISTA New Ic wr
RS485 connector: to your RS485 device. USB to RS485 Converter Adapter. Support System: Windows XP, Vista, Windows 7. Linux, MacOS, and WinCE5.0 drive. Better than using CH341D chip or similar chip to support the laptop USB port.