SIIG Model JU-SC0011-S1 11.81 2-Port USB to RS-232 Serial Adapter Cable Type: USB to DB9 (RS-232) Color: Black Connector Number: 3 Connector Detail: 1, 4-pin, Type A, USB, Male, Input 2, 9-pin, DB9, RS232, Serial, Male, Output Specifications: Supports various serial devices, such as modems, PDAs, card readers, and more Supports data transfer rate up to 230Kb/s Chip: Moschip MCS7820CV Certifications/ Standards: FCC, CE, RoHS