Ar2140 Firmware →

On Linux, these are typically stored in:

| Filename | Purpose | |----------|---------| | ar2140_bt_fw.bin | Bluetooth firmware binary | | ar2140_wifi_fw.bin | WiFi MAC/PHY firmware | | ar2140_cal.bin | Per-device calibration data (factory) | | ar2140_rampatch.bin | RAM patch for bug fixes | ar2140 firmware

Or check via sysfs: