Moelissa USB To Serial Converter "This USB to Serial converter allows you to connect a serial device such as a modem to a USB port on your Desktop or Laptop PC. USB 1.1 Specifications RS-232 serial interface Supports data rate up to 6 Mbps Detects USB suspend condition Compliant with Windows 8, Windows 7, Vista, XP, 2000, ME, 98SE and Mac OS 10.1~10.7 Install as a standard Windows COM port, full RS-232 modem control signals, RS-232 data signals; TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND Provides dual buffers for upstream and downstream data transfer Supports automatic handshake mode Powered by USB port, no external power adapter required. Easy Plug and Play installation 2-years limited warranty " " Interface USB 1.1 Type A RS-232 (9-pin) male Supported OS Windows 8 (32/64-bit), Windows 7 (32/64-bit), Vista (32/64-bit), XP (32/64-bit), 2000, ME, 98SE Mac OS 10.1~10.7 Cable Length 60 cm (24 inches) Cable Gauge 28/24 AWG Data Rate 6 Mbps Power Consumption 500 mA (max) Weight 40 g (1.4 oz) Temperature Operating: 0° ~ 40° C (32° ~ 104° F) System: -10° ~ 45° C (14° ~ 113° F) Humidity Max 85% (non-condensing) Certifications CE, FCC