Once the driver is active, open your preferred programming software—either the official or CHIRP . Open the application.
The driver is a software component that allows your Windows (or macOS/Linux) operating system to communicate with the USB programming cable. Without this driver, the computer will not recognize the cable, and your programming software (like CHIRP or the RT Systems RPS-KDC1 programmer ) will not be able to "see" the radio.
CHIRP is a free, open-source, community-driven tool that supports the WLN KD-C1 natively. It is highly stable and works across Windows, macOS, and Linux. Open CHIRP. Click in the top menu and select Download From Radio .
Now, go program your radios—just ensure you stay within your country’s legal amateur or business radio bands.
If the driver is installed but the software times out when reading data, the issue is likely physical or setting-related. wln kd-c1 usb driver
// ... // Call the new feature function wln_kd_c1_new_feature(dev); return 0;
Before downloading, you need to know which chip is inside your cable. Most standard cables use one of two main types:
This is not a typical driver you'd find from Microsoft or Intel. It's a small piece of software that allows your computer's operating system (Windows, Linux, or macOS) to communicate with the USB-to-serial chip embedded inside the radio's programming cable.
Unplug the USB cable, wait 10 seconds, and plug it into a different USB port. Check Device Manager to see if the COM port number changed, and update the setting inside your programming software accordingly. 3. "Radio Did Not Respond" Error Once the driver is active, open your preferred
Select the exact number you verified in the Device Manager. Select the correct Vendor ( WLN ) and Model ( KD-C1 ).
You must manually roll back the driver to an older version (such as version 3.2.0.0 from 2007) that still supports the chipset layout. Alternatively, purchasing a cable built on a CH340 or authentic FTDI chip completely bypasses this issue. 2. Software Fails to Open the COM Port
Edit your frequencies, tones, and power levels in the spreadsheet interface.
Right-click the Windows Start button and select . Scroll down and expand the Ports (COM & LPT) section. Without this driver, the computer will not recognize
The essay of the KD-C1 driver is often one of troubleshooting. Because many affordable programming cables use cloned or "counterfeit" Prolific chips, modern versions of Windows (10 and 11) often disable them automatically for security or licensing reasons. This results in the infamous "Error Code 10" in the Device Manager.
Another common chip used in older or alternative cable variants.
Disclaimer: Always ensure you have the legal right to transmit on the frequencies you program. The WLN KD-C1 is often used on amateur radio bands and requires a license in many jurisdictions.
The most reliable and premium option. FTDI drivers usually install automatically via Windows Update and rarely suffer from compatibility glitches.