– A unique approval code assigned to a certified device. Format in Brazil often resembles XXXX-XX-XXXX . Here, 2504 09 3987 could be the certificate number for a specific wireless module or router.
Standard certification ensures the hardware meets Brazilian telecommunications standards for Wi-Fi and Bluetooth. anatel wireless drivers 2504 09 3987
For MediaTek (VID_148F PID_3987), use mt7601u driver. – A unique approval code assigned to a certified device