Translation(s): English - Fran├žais - Italiano

Atheros AR9170 devices (ar9170usb)

This page describes how to enable support for WiFi devices based on the Atheros AR9170 chipset on Debian systems.

{i} Wheezy users, see carl9170 for device support.

ar9170usb is a driver for the Atheros AR9170 ("otus") 802.11 draft-n USB wireless LAN chipset, introduced in Linux 2.6.30. Supported devices are listed at the end of this page.

{i} Atheros AR9271/AR7010-based USB devices are supported by ath9k_htc. Atheros 802.11n PCI devices are supported by ath9k.



Firmware is required to be installed for device operation.

  1. Add a "non-free" component to /etc/apt/sources.list, for example:

    # Debian Squeeze/6.0
    deb squeeze main contrib non-free
  2. Update the list of available packages and install the firmware-atheros package:

    # aptitude update && aptitude install firmware-atheros
  3. Connect the device to your system. The ar9170usb kernel module is automatically loaded for supported devices.

  4. Configure your wireless interface as appropriate.


The ar9170usb driver was removed at Linux 3.0.1 See carl9170 for device support.


Supported Devices

The page HowToIdentifyADevice/USB explains how to identify a USB device.

The following list is based on the alias fields of modinfo ar9170usb in Debian 2.6.32 (2.6.32-46) kernel images.

See Also

CategoryHardware | CategoryWireless