[High compatibility] Support Windows XP/7/8/10 Mac OS Linux 3.2 greater Ubuntu 11.10 greater and Android system. Support Raspberry Pi Jetson Nano PLC Note book and all Computer[Plug and Play USB Device] USB 2.0 full speed compatible. Support wider RS485 data transfer rates From 300 bps to 3Mbps. [Excellent Chipset] On board FTDI FT230X and semi-duplex enhanced RS485 isolated transceiver TD541S485H. [Industrial Design] isolated power supply and isolation signal design Provides Bus-Pin ESD protection up to 15kV (HBM) and greater than 25kV/us CMTI. [Flexible] 120 Ohm resistor jumper selectable. designed by 1/8 unit load support up to 256 nodes on a bus.