6 ft USB to TTL serial adapter (with 3 pin 0.1 pitch female header socket) connects devices with 3.3 V logic level UART signals interface to a laptop via USB portA genuine FT232RL chip module is housed in USB 2.0 type A male terminal for wider compatibility and supports reliable data transfer rates6 feet FTDI USB to TTL serial cable (3 way output flying leads ) provides access to UART (transmit) Tx (receive) Rx and GNDFTDI chipset on the PCB board has configurable internal EEPROM and 3.3V UART signals can be individually inverted by configuring the EEPROM3V3 TTL to USB converter cord is compatible with Windows 11 10 8 8.1 7 (32 64-bit) 2008/XP/Vista/CE Mac OS Linux 2.4 and greater; ideal USB 2.0 debug cord for Vendor ID re-write router GPS set top box transmitter flash firmware on hard drive etc.