FeatureThis is a USB 2.0 to TTL UART 6PIN CP2102 Module Serial Converter. Connect MCU easily to your computer!Stable and reliable chipset CP2102USB specification 2.0 compliant with full-speed 12MbpsStandard USB type A male and TTL 6pin connector. 6pins for 3.3V, RST, TXD, RXD, GND & 5VAll handshaking and modem interface signalsBaud rates: 300 bps to 1.5 MbpsByte receive buffer; 640 byte transmit