CTYRZCH CP2102 Module USB to TTL Serial UART STC Download Cable PL2303 Super Brush Line Upgrade For Arduino SMT chip components for the production process, quality and stability. The main chip CP2102, generate a virtual serial port after installing the driver. Support from 300bps-1Mbps baud rate between. USB head for the male, can be directly connected to the computer USB port. Does not have USB head volume: (mm)