COM port assignments maintained across reboot Provides dual buffers for upstream and downstream data transfer Supports remote wake up, energy management, handshake mode Compatible with USB 1.1 and 2.0 Bus-powered Operating systems: Windows PocketPC 2003/2000, Windows Mobile 5/6, CE 4.2/5.2, Embedded System 2009, XP Embedded, POS Ready 2009, 98SE, 2000, ME, XP, Vista, 7, 8, 8.1, 10 Windows Server 2003, 2008 R2, 2012, 2016, 2019 macOS 10.6 to 10.15, 11.0 Linux 2.4.x to 4.19.x (only LTS- versions) Chipset: Prolific - PL2303