FT232RL USB2TTL Module 3.3-5V

FT232RL USB2TTL Module 3.3-5V

Feature: 
Chip: FT232RL
FT232RL chip lead all the signal port, TTL / CMOS level
With RXD / TXD send and receive traffic lights; USB powered, optional 5V or 3.3V interface level (if other level, target voltage can be provided directly on the VCC and GND pins) PCB board 
size: 16mm * 34mm - 
See more at: http://www.uctronics.com/ft232rl-ftdi-usb-to-ttl-3-3v-5-5v-mini-usb-adapter-module-for-arduino.html#sthash.2BRjfbSn.dpuf