ITEM NAME:USB To RS232 TTL CH340G Converter Module Adapter STC Replace Pl2303 CP BWX Descriptio n Description: 1, The New Original CH340G Chip, This Series Of Chips Is STC Official Recommended USB TTL Chip, Will Never Appear Due To Different Drivers/Different Computers Caused By Incompatible Phenomenon!!! 2, High Quality Yellow High-Grade Stitch, More Durable And Beautiful Than The Black Stitch In The Market; 3, Not Only Has The Power Lamp PWR, But Also TXD And RXD Indicator Light, Convenient In The Absence Of Instruments To Intuitively Understand Whether The Product Is Working; 4, 3V3 And 5V Are Selected By Short Circuit Risk; 5. Support WINDOWS 98/ME/2000/XP/Server 2003/VISTA/ Server 2008/Win7/Win8 32-Bit / 64-Bit Package Included: 1 * USB To RS232 TTL CH340G Converter Module Adapter We offer you what you need! USB To RS232 TTL CH340G Converter Module Adapter STC Replace Pl2303 CP2102.1 USB To RS232 TTL CH340G Converter Module Adapter. We'd like to settle any problem in a friendly manner. 2, High Quality Yellow High-Grade Stitch, More Durable And Beautiful Than The Black Stitch In The Market;.