Even with the , problems can arise. Here is the most common checklist:
: A yellow exclamation mark appears next to your COM port, breaking your CAT control connection completely.
The Linux kernel’s pl2303 module has been updated in kernel 6.2+. No separate driver needed. However, you may need to update your distribution.
The newest driver release addresses long-standing stability bugs associated with USB-to-serial chips (typically FTDI or Silicon Labs CP210x architectures):
By maintaining an updated , you ensure that your Icom radio remains fully integrated with your digital setup, offering reliable performance for years to come. If you are still having trouble,
Match the (Baud rate) to your specific Icom radio settings (usually 9600 or 19200 for older radios, and 115200 for modern rigs like the IC-7300).
| Feature | Benefit | |---------|---------| | | Eliminates Code 10, Code 31 errors | | Native Apple Silicon (M1/M2) support | Works without Rosetta 2 interference | | Automatic baud rate negotiation | Supports 1200 to 115200 bps for all Icom CIV commands | | Low-latency buffer | Reduces CAT command lag in WSJT-X & FT8 modes | | Static COM port assignment | Prevents COM port hopping after reboot | | Signed driver (WHQL certified) | No more "Unknown device" warnings |