Download Driver Dex Dp-19 -upd- Apr 2026
: Windows 11/10/8.1/8/7/Vista/XP, Windows Server (2003–2022), and Linux. Nanjing Qinheng Microelectronics Co., Ltd. Device Specifications PCI Express (PCIe) x1 WCH CH382L 2 x DB9 Male (Serial RS-232) Transfer Rate Up to 921.6 Kbps 256-byte FIFO on each port TXD, RXD, CTS, DTR, DSR, DCR, and RI Installation Instructions Hardware Setup
: If Windows blocks the installation on Windows 10 or 11 due to "unsigned drivers," you may need to temporarily disable Driver Signature Enforcement Download Driver Dex Dp-19 -UPD-
For the most reliable and up-to-date driver (including support for Windows 10 and 11), use the official repository from the chipset manufacturer, WCH (Nanjing Qinheng Microelectronics) Download Page WCH-IC CH38X Driver Download CH38XDRV.EXE Supported Systems : Windows 11/10/8