Serial MAX3232 RS232 To TTL Serial Port Converter MAX3232CSE to connect your Microcontroller or any other item to PC 

Specifications:

Chip: Original MAX3232CSE 
Voltage Range: 3V ~ 7V 
Highest baud rate: typical 235kbps 
Size:13mm * 29mm 

Package Includes:

1 x Converter

1 x 4Pins Cable