ITEM NAME:FT232RL FTDI232 USB to TTL Serial Adapter Module Arduino Mini Port 3.3 GED.FT232RL FTDI USB 3.3V 5.5V to TTL Serial Adapter Module for Arduino Mini Port. 1x FT232RL USB to TTL Serial Adapter Module. RXD/TXD transceiver communication indicator. Module Size: About 36mm(length) 17.5mm(width).