See the 3Com 3CRUSBN275 Wireless 11n driver below. This is the wireless driver for the 3Com USB adapter 3CRUSBN275. Check your software and hardware before download. This is a Windows 7 and a Windows XP driver for your 3Com adapter.
3Com 3CRUSBN275 Wireless 11n Driver
The following would be the install files of the adapter. Note that this driver can also be used on other wireless adapters which are not made by 3Com but uses the same hardware as the 3Com. This driver is many years old and you will find more use for this in older hardware.
Incorrect Hardware ID
If you are getting the following hardware ID such as usb\vid_0cf3&pid_e004\alaska_day_2006 then you will note that this is the incorrect driver. The hardware ID as usb\vid_0cf3&pid_e004\alaska_day_2006 belongs to a different device. That ID belongs to the Qualcomm Atheros Bluetooth adapter. You can also find that driver on here.
3Com 3CRUSBN275 Hardware ID
The Atheros Wireless Network Adapter Service is this driver however it is not a Bluetooth device. This was also known as the TG121n USB Wireless Adapter or Atheros OTUS Wireless Network Adapter. The device was described as a PCI GW-US300GXS or IO-DATA WN-GDN/US2.
The 802.11N Wireless USB Network Adapter is also known as a NB 802.11n BG Wireless LAN USB Adapter(UB81). This is a RangeMax Dual Band Wireless-N USB Adapter. It is also used by the D-Link DWA-160 Xtreme N Dual Band USB Adapter (rev.A) as well as the 3Com Dual Band 802.11n USB Adapter or H3C Dual Band 802.11n USB Adapter.
[Atheros]
USB\VID_0ACE&PID_1221 = “Atheros 11n Wireless Network Adapter”
USB\VID_0CF3&PID_9170 = “Atheros 11n Wireless Network Adapter”
[Thomson]
USB\VID_0CF3&PID_1001 = “TG121n USB Wireless Adapter”
[PCI]
USB\VID_2019&PID_5304 = “PCI GW-US300GXS”
[IO-DATA]
USB\VID_04BB&PID_093F = “IO-DATA WN-GDN/US2”
[ZCOM]
USB\VID_0CDE&PID_0023 = “NB 802.11n BG Wireless LAN USB Adapter(UB81)”
USB\VID_0CDE&PID_0026 = “NB 802.11n ABG Wireless LAN USB Adapter(UB82)”
[3COM]
USB\VID_0CF3&PID_1010 = “3Com Dual Band 802.11n USB Adapter”
[H3C]
USB\VID_0CF3&PID_1011 = “H3C Dual Band 802.11n USB Adapter”
[Arcadyan]
USB\VID_083A&PID_F522 = “802.11N Wireless USB Network Adapter”
[NETGEAR]
USB\VID_0846&PID_9010 = “RangeMax Dual Band Wireless-N USB Adapter”
USB\VID_0846&PID_9001 = “RangeMax Wireless-N USB Adapter WN111v2”
USB\VID_0846&PID_9040 = “Wireless-N 150 USB Adapter WNA1000”
[D-Link]
USB\VID_07D1&PID_3C10 = “D-Link DWA-160 Xtreme N Dual Band USB Adapter(rev.A)”
USB\VID_07D1&PID_3A09 = “D-Link DWA-160 Xtreme N Dual Band USB Adapter(rev.A2)”
[Proxim] USB\VID_1435&PID_0804 = “ORiNOCO 802.11n USB ”
[WNC] USB\VID_1435&PID_0326 = “11n generic USB dongle ”
Note that this driver for the 3Com will also work on the Netgear RangeMax, 3Com Dual Band and also the Atheros PCI GW. Check this website for more details on other drivers which may work on your laptop of computer.Below is the Windows 2000/XP driver and the Windows 7 driver.
3Com 3CRUSBN275 Wireless 11n USB Adapter Windows 2000/XP Driver
3Com 3CRUSBN275 Wireless 11n USB Adapter Windows 7 Driver