FTDI Chip Male DB9 Format 3.3V Converter Module DB9-USB-D3-M

Designed to replace an existing DE9 connector, (male or female) RS-232/TTL UART connection with a drop-in USB replacement connection.

Miniaturised modules which closely resemble a DE9 connector for PCB mounting
USB mini-B socket connector
The modules contain a USB-Serial bridge IC and all necessary electronics to convert between USB and RS-232/UART signals