Because Black Copper devices are often distributed through regional vendors, finding a single "official" global website can be difficult. You can typically find the necessary files through the following reliable channels:
yay -S rtl8821ce-dkms-git
Enable RPM Fusion and install:
# Close the serial port ser.close()
Always start at the source. If your BC-96AC is part of a radio or scanner kit, visit the support or "Downloads" section of the manufacturer's website. bc-96ac driver