ATEN USB to PDA/Serial (DB9) Adapter w/ PC & Mac Drivers Type: USB to DB9 (RS-232) Type: Others Connector Number: 1 Specifications: Case: Plastic Power Consumption: 90mA On Line: 1 Operating System Support: Win 98, 98SE, 2000, ME, MAC OS 8.6 or greater USB Specification: USB 1.1 compliant Transfer Rate: 230 Kbps Cable Length: 12.0 in. (30.5 cm) Power Connections: Bus powered Data Rate: Up to 230 KBps RS-232: DB-9 Male USB: Type A Plug