Broadcom has a tortured history with open source. Unlike Intel or Atheros, Broadcom refused to release open documentation for their wireless chips for years. The result? The driver in mainline Linux (specifically the b43 and brcmsmac sub-drivers) is, to put it kindly, a mess.
Once the driver is installed, you must tweak the settings to achieve "high quality" performance. These settings are accessed via > right-click your Broadcom adapter > Properties > Advanced tab.
Official Manufacturer Support PagesThe safest route is to visit the support site of your laptop brand (e.g., Dell Support or HP Customer Support). Search for your specific laptop model. Even if the driver listed is for Windows 7, it will often work on Windows 10 using the "Compatibility" setting during installation. broadcom bcm94312hmg driver high quality
If you are still looking for the perfect driver, could you please tell me: What is your operating system (Windows 7, 10, Linux)?
The safest source for a high-quality driver is the official support website of your computer manufacturer. Major brands that heavily utilized the BCM94312HMG include: Dell (often listed under "Dell Wireless 1397 Mini-Card") Lenovo / ThinkPad Acer Broadcom has a tortured history with open source
Look for "Dell Wireless 1395/1397/1505 WLAN" drivers, which often use the BCM4312/BCM94312 chipset.
You can find a dozen driver download sites offering the BCM94312HMG driver. Most of them are dangerous. Here is why you need a source: The driver in mainline Linux (specifically the b43
For example, users with Dell models have had success finding working drivers on Dell’s official support site for the Inspiron 1545 or Inspiron Mini 1012. Install drivers in this order: Dell System Software, then BIOS, then Chipset, and finally the Wireless Card driver.