UPort 1130 USB is an essential device for connecting two or more variable serial devices in the field or separated interfaces that dont have a generic COM or DB9 connector. It is mainly used by the engineer for their high tech task. These USBs can be used with the mobile, instrumentation or laptops. It is a perfect device for the instrument that needs RS 422 or RS 485 connection. These UPort 1130 USB are available in different colors and sizes.