Oct 22, 2016 - 3Com Wireless Infrastructure Device Manager Windows 7 Download. 3Com Network drivers 3Com drivers. Win2003 / Windows 7 / Windows XP: Download: 3Com: 3C905CX: 3C905C. Make sure that the model name you've selected is exactly the same as mentioned on your 3Com Network device or in the. To download 3COM WIRELESS INFRASTRUCTURE DEVICE MANAGER, click on the Download button. Just installed the 3Com 3com wireless infrastructure device manager.