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.\" $FreeBSD$
.\"
.\" Copyright (c) 2005
.\" Damien Bergamini <damien.bergamini@free.fr>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd May 2, 2005
.Os
.Dt URAL 4
.Sh NAME
.Nm ural
.Nd "Ralink Technology RT2500USB IEEE 802.11 driver"
.Sh SYNOPSIS
.Cd "device ehci"
.Cd "device uhci"
.Cd "device ohci"
.Cd "device usb"
.Cd "device ural"
.Cd "device wlan"
.Sh DESCRIPTION
The
.Nm
driver supports USB 2.0 wireless adapters based on the RT2500USB chipset.
.Pp
The RT2500USB chipset consists of two integrated chips, a RT2570 MAC/BBP
and a radio transceiver (the model of which depends on the card revision).
.Pp
The RT2522, RT2523, RT2524, RT2525, RT2525e and RT2526 radio transceivers
operate in the 2.4GHz band (802.11b/g) whereas the RT5222 is a dual-band radio
transceiver that can operate in the 2.4GHz and 5.2GHz bands (802.11a).
.Sh HARDWARE
The following adapters should work:
.Pp
.Bl -column -compact ".Li Atlantis Land A02-PCM-W54" "Bus"
.It Em Card Ta Em Bus
.It Li "AMIT WL532U" Ta USB
.It Li "ASUS WL-167g" Ta USB
.It Li "Buffalo WLI-U2-KG54-AI" Ta USB
.It Li "CNet CWD-854" Ta USB
.It Li "Compex WLU54G" Ta USB
.It Li "Conceptronic C54RU" Ta USB
.It Li "D-Link DWL-G122 b1" Ta USB
.It Li "E-Tech WGUS02" Ta USB
.It Li "Gigabyte GN-WBKG" Ta USB
.It Li "Linksys WUSB54G v4" Ta USB
.It Li "Linksys WUSB54GP v4" Ta USB
.It Li "MSI MS-6861" Ta USB
.It Li "MSI MS-6865" Ta USB
.It Li "MSI MS-6869" Ta USB
.It Li "Repotec RP-WU0402" Ta USB
.It Li "Surecom EP-9001-g" Ta USB
.El
.Pp
An up to date list can be found at
.Pa http://damien.bergamini.free.fr/ral/list.html .
.Sh EXAMPLES
Join an existing BSS network (i.e., connect to an access point):
.Pp
.Dl "ifconfig ural0 inet 192.168.0.20 netmask 0xffffff00"
.Pp
Join a specific BSS network with network name
.Dq Li my_net :
.Pp
.Dl "ifconfig ural0 inet 192.168.0.20 netmask 0xffffff00 ssid my_net"
.Pp
Join a specific BSS network with 40-bit WEP encryption:
.Bd -literal -offset indent
ifconfig ural0 inet 192.168.0.20 netmask 0xffffff00 ssid my_net \e
wepmode on wepkey 0x1234567890
.Ed
.Pp
Join a specific BSS network with 104-bit WEP encryption:
.Bd -literal -offset indent
ifconfig ural0 inet 192.168.0.20 netmask 0xffffff00 ssid my_net \e
wepmode on wepkey 0x01020304050607080910111213
.Ed
.Sh DIAGNOSTICS
.Bl -diag
.It "ural%d: device timeout"
The driver will reset the hardware.
This should not happen.
.El
.Sh SEE ALSO
.Xr arp 4 ,
.Xr netintro 4 ,
.Xr usb 4 ,
.Xr wlan 4 ,
.Xr ifconfig 8
.Rs
.%T "Ralink Technology"
.%O http://www.ralinktech.com/
.Re
.Sh HISTORY
The
.Nm
driver first appeared in
.Ox 3.7 .
.Sh CAVEATS
.Pp
The
.Nm
driver does not support automatic adaptation of the transmit speed.
.Sh AUTHORS
The
.Nm
driver was written by
.An Damien Bergamini Aq damien@FreeBSD.org .
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