Description This adapter made by Delock allows you to connect a serial device via the 4-pin header connector (RX and TX) to the GPIO interface of the Raspberry Pi using the included cable. Then configure your system as per your requirement. Specifications - Connectors: RS-232 connectors: 1 x Sub-D 9-pin male RS-232 1 x 4-pin header - Supported data transfer rate up to 230Kb/s - Level shifter from RS-232 3.3V to 5V on Raspberry Pi - Supported input voltage: 2.7V ~ 5.25V - Dimensions (HxWxD): approx. 48 x 43 x 16 mm - Operating system independent, no need to install a driver System requirements - One free pin header connector Package contents - Adapter - Cable pin header 4 pin > 5 pin Package - White box Manufacturer: Delock Width cm: 12 Length cm: 13 Height cm: 3.5