FTDI USB Ttl-232r-3v3-aj - 1.8m (6ft)cable USB TTL SER Conv 3v3 AUD Jack FTDI TTL-232R-3V3-AJ CABLE, TTL TO USB SERIAL, W / AUDIO JACK USB - TTL Serial Converter Cables/PCBs IC Adapter Type:FT232RL chip housed in the USB "A" connector. 1.8 metre cable. 3.3V IOs Connector Type A:USB Connector Type B:TTL-232R