Broadcom Ush E6420
For proximity-based authentication. How to Fix Missing Broadcom USH Drivers
Given the E6420’s ports (USB 2.0, later USB 3.0 on some variants) and its SD card reader, a “Broadcom USB Host” or “Broadcom UHS SD Controller” would be a realistic device. Many users searching for drivers in the mid-2010s encountered cryptic device names in Windows Device Manager, such as “Broadcom USH” under Universal Serial Bus controllers. In fact, old driver archive sites list a “Broadcom USH (Universal Serial Bus Host) Controller” for the Dell Latitude E6420 – likely a mislabeling of a generic USB 2.0 hub or card reader driver. broadcom ush e6420
If individual drivers fail, IT professionals often use "CAB packs" which contain all drivers for a specific model: For proximity-based authentication