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ATU(4)			 BSD Kernel Interfaces Manual			ATU(4)

NAME
     atu — Atmel at76c50x 802.11B wireless network interfaces

SYNOPSIS
     atu* at uhub? port ?

DESCRIPTION
     The atu driver provides support for wireless network adapters based
     around the Atmel at76c503, at76c503a, at76c505, and at76c505a USB
     chipsets.

     Supported features include 802.11 and 802.3 frames, power management,
     BSS, IBSS, ad-hoc, and host-based access point mode.

     The atu driver encapsulates all IP and ARP traffic as 802.11 frames, how‐
     ever it can receive either 802.11 or 802.3 frames.	 Transmit speed is
     selectable between 1Mbps fixed, 2Mbps fixed, 2Mbps with auto fallback,
     5.5Mbps, 8Mbps, or 11Mbps depending on your hardware.

     Four different radio chipsets are used along with the device, each
     requiring a different firmware.

     By default, the atu driver configures the card for BSS operation (aka in‐
     frastructure mode).  This mode requires the use of an access point (base
     station).

     For more information on configuring this device, see ifconfig(8).

     The following devices are among those supported by the atu driver:

	   Acer Peripherals AWL400
	   AcerP AWL-300
	   Aincomm AWU2000B
	   Atmel 2662W-V4
	   Atmel BW002
	   Atmel DWL-120
	   Atmel WL-1330
	   Belkin F5D6050
	   Geowave GW-US11S
	   Linksys WUSB11
	   Linksys WUSB11-V28
	   Ovislink AirLive
	   SMC 2662W-AR

SEE ALSO
     arp(4), ifmedia(4), intro(4), netintro(4), usb(4), ifconfig(8),
     wiconfig(8)

AUTHORS
     The atu driver was written by Daan Vreeken and ported to OpenBSD by Theo
     de Raadt and David Gwynne.	 The OpenBSD driver was then ported to NetBSD
     by Jesse Off ⟨joff@NetBSD.org⟩.

BSD			       January 23, 2005				   BSD

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