TTL-232R-3V3-2mm The USB TTL Serial cables are a range of USB to serial converter cables which provide connectivity between USB and serial UART interfaces. A range of cables are available offering connectivity at 5V, 3.3V or user specified signal levels with various connector interfaces.All cables feature an FTDI FT232R device integrated within the cable USB type ‘A’ connector, which provide access to UART Transmit (Tx), Receive (Rx), RTS#, CTS#, VCC (5V) and GND connections. All cables are fully RoHS compliant and are FCC/CE approved.USB cable with +3.3V based UART output on 2mm connector. Designed for use with FTDI VDRIVE2 and VMUSIC2 modules 8-pin, keyed 2mm pitch connector