Before diving into driver installation, understanding the technical footprint of your hardware helps ensure you are using the correct software files. Broadcom BCM4312 Interface Type: PCI Express Half Mini Card Wireless Standards: IEEE 802.11b, IEEE 802.11g Max Data Rate: Up to 54 Mbps Frequency Band: 2.4 GHz (Single-band) Security Protocols: WEP, WPA, WPA2
Note: Because this card natively maxes out at 802.11g speeds (54 Mbps) and only connects to 2.4 GHz bands, it will not detect modern 5 GHz or 6 GHz Wi-Fi networks, regardless of how updated your drivers are. How to Check Your Broadcom BCM94312HMG Status broadcom bcm94312hmg driver
Works up to latest kernel (6.x) with brcmsmac . Monitor mode: Yes (with b43 + iw ). Monitor mode: Yes (with b43 + iw )
The required package is often called firmware-b43-installer and may be included in your distribution's non-free or contrib repositories. For Debian-based systems (Ubuntu, Linux Mint, etc.), you can install it as follows: you can install it as follows: