Aten USB to RS232 converter with 1m cable， 921.6 Kbps Transfer Rate, Compatible with Windows, Mac, Linux Support the RS232 Serial interface Full compliance with the USB Specification Up to 921.6 Kbps data transfer rate Works with cellular phones, PDAs, digital cameras, modems or ISDN terminal adapter OS Compatibility: Windows, Mac, Linux Connectors USB Port1 x USB Type A Male (White) Serial1 x DB-9 Male (Silver) Data RateUp to 921.6 Kbps Cable Length1m LEDsPower (Orange) Power ModeBus Powered USB SpecificationUSB compliant Environmental Operating Temperature0–40˚C Storage Temperature-20–60˚C Humidity0–80% RH, Non-condensing Physical Properties HousingPlastic Weight0.06 kg ( 0.13 lb ) Dimensions (L x W x H)6.59 x 3.40 x 1.60 cm (2.59 x 1.34 x 0.63 in.) NoteFor some of rack mount products, please note that the standard physical dimensions of WxDxH are expressed using a LxWxH format. Package Contents 1x USB-to-Serial Converter 1x User Instructions