04a5:9001 AWL400 Wireless Adapter

Acer Peripherals Inc. (now BenQ Corp.)

Vendor ID
04a5
Product ID
9001
Combined
04a5:9001
Decimal
1189:36865

What is this device?

This is the USB identifier for a AWL400 Wireless Adapter manufactured by Acer Peripherals Inc. (now BenQ Corp.). The vendor ID 04a5 is registered to Acer Peripherals Inc. (now BenQ Corp.) with the USB Implementers Forum, and 9001 is the product ID that Acer Peripherals Inc. (now BenQ Corp.) assigned to this particular model. When you run lsusb on Linux, this device appears as 04a5:9001 Acer Peripherals Inc. (now BenQ Corp.) AWL400 Wireless Adapter.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 04a5:9001 Acer Peripherals Inc. (now BenQ Corp.) AWL400 Wireless Adapter

You can filter directly with lsusb -d 04a5:9001, or get the full descriptor dump with lsusb -v -d 04a5:9001. Kernel messages from dmesg show the same pair as idVendor=04a5, idProduct=9001.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_04A5&PID_9001
USB\VID_04A5&PID_9001&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04A5&PID_9001"

macOS

$ system_profiler SPUSBDataType
    AWL400 Wireless Adapter:
      Product ID: 0x9001
      Vendor ID: 0x04a5  (Acer Peripherals Inc. (now BenQ Corp.))

Driver help

Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page.

Raw usb.ids entry

The exact lines this page is generated from, in the upstream source file:

04a5  Acer Peripherals Inc. (now BenQ Corp.)
	9001  AWL400 Wireless Adapter

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