Highly stable, widely compatible, and native to most modern operating systems.
Select from the dropdown menu to see the vendor ID (VID) and product ID (PID). VID 0403 indicates an FTDI chip. VID 10C4 indicates a Silicon Labs chip. Step 2: Download the Official Updated Driver
For amateur radio operators using Icom transceivers, establishing a stable connection between the radio and a PC is crucial for digital modes, firmware updates, and computer control. The (often associated with USB-to-serial communication protocols for older or specific Icom models) requires periodic updates to remain compatible with modern operating systems like Windows 10 and 11.
The LDC101 cable contains a bridge chip inside the USB connector. This chip translates standard USB data into serial data. The computer requires a virtual COM port (VCP) driver to recognize this chip. The updated driver ensures that modern operating systems correctly map the interface as a functional serial COM port. Why You Need the Updated Driver ldc101 usb to civ driver updated
Do not rely on Windows Update to automatically find the correct driver.
: The update might also introduce new features that were not available in the previous version. These could include improved security measures, better user interface elements, or additional configuration options.
The LDC101 interface mimics a virtual COM port on your computer, allowing radio control software (like HRD, N1MM, or WSJT-X) to communicate with your Icom transceiver. Highly stable, widely compatible, and native to most
Plug the LDC101 USB cable into a native USB port on your PC (avoid unpowered USB hubs).
Cost-effective, but older versions frequently face driver compatibility issues on modern Windows platforms. How to Check in Windows Connect the LDC101 cable to a USB port. Right-click the Start Button and select Device Manager .
Given the driver headaches, the is a mixed bag. It is cheap (often $10–15), but the driver instability on Windows 11 and macOS Ventura/Monterey is frustrating. VID 10C4 indicates a Silicon Labs chip
This article provides a comprehensive guide to understanding, downloading, and installing the latest drivers, ensuring your setup operates flawlessly in 2026. What is the LDC101 USB to CI-V Cable?
✅ Chipset identified (Prolific vs. SiLabs) ✅ Old drivers purged from Device Manager ✅ Latest official driver installed (or known-working fallback version) ✅ COM port number fixed between 1–8 ✅ Radio baud rate matches software baud rate ✅ CIV address set correctly in radio menu ✅ Power management disabled on USB Root Hub
is a control cable designed specifically for Icom radios. It allows a computer to manage frequency control and logging through software like HamRadio Deluxe , N1MM , or Logger32 . The Driver Conflict "Story"
: The driver supports a bus-powered design, meaning the interface draws all necessary power from the USB port rather than requiring an external supply like the original Icom CT-17. Bi-directional Data Transfer
The updated LDC101 USB to CI-V driver provides several core features designed to improve the reliability and functionality of PC-controlled Icom and compatible radios. Key Features of the Driver Update