CableMax USB to RS-232 Serial Adapter with Prolific Chipset Supports All POS devices Works with Magellan GPS devices, Works with Garmin GPS devices Standard Com port Configurations from Device mgr. inside Windows 98/ME/2000/2003/XP Vista and Windows 7. (32 and 64-Bit OS) Over 230kbps data transfer rate, 96 byte buffer each for upstream and downstream data flow OS Compatibility: Windows XP, 2003, CE, Vista, Windows 7, and Windows 8 as well as Linux and Mac OS 10.X