This 3' Usb To Serial Adapter Cable From Pearstone Allows You To Connect Your Printer Gps Pda Modem Or Other Device Using A 9-Pin Serial Port Connection To The Usb Input On Your Computer. The Pl-2303Hx Chipset Assures Compatibility With Mac Pc Or Linux Operating Systems And Supports Data Transfer Speeds Up To 230Mbps.Cable Type: Usb To Serialconnector 1: Serial Port D89 Maleconnector 2: Usb-Agauge: 28 Awgtransfer Rate: 230 Mbpscompatibility: Windows 98 2000 Xp Vista 7 Mac Os 8 And Higher Linux