... USB signal VCC, DATA+, DATA-, GND, FG RS232 signal RX, TX, RTS, CTS, DTR, DSR, DCD, RI, GND Asynchronism, point to point Band ... rate 300-115200bps, automatic test signal rate Transmission RS232 side 15M, USB side less than 5M ... Blue Weight 70gUpdate Date:2012-04-24 04:58:31 USB to RS232 Serial DB9 Adapter Converter