You're looking 3com wl 545 windows 7 for Windows. It's 100% safe, uploaded from checked source and passed Kaspersky virus scan!
Driver Details:
File: 3com_wl_545_Win7.zip
Version: 1.3.2
Size of file: 2 964 KB
OS: Win 7, Win Vista, Win 8
Upload source: manufactuter website
