1.\" Copyright (c) 2005, 2006 2.\" Damien Bergamini <damien.bergamini@free.fr> 3.\" 4.\" Permission to use, copy, modify, and distribute this software for any 5.\" purpose with or without fee is hereby granted, provided that the above 6.\" copyright notice and this permission notice appear in all copies. 7.\" 8.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15.\" 16.\" $FreeBSD$ 17.\" 18.Dd September 10, 2007 19.Os 20.Dt URAL 4 21.Sh NAME 22.Nm ural 23.Nd "Ralink Technology RT2500USB IEEE 802.11 driver" 24.Sh SYNOPSIS 25To compile this driver into the kernel, 26place the following lines in your 27kernel configuration file: 28.Bd -ragged -offset indent 29.Cd "device ehci" 30.Cd "device uhci" 31.Cd "device ohci" 32.Cd "device usb" 33.Cd "device ural" 34.Cd "device wlan" 35.Cd "device wlan_amrr" 36.Ed 37.Pp 38Alternatively, to load the driver as a 39module at boot time, place the following line in 40.Xr loader.conf 5 : 41.Bd -literal -offset indent 42if_ural_load="YES" 43.Ed 44.Sh DESCRIPTION 45The 46.Nm 47driver supports USB 2.0 wireless adapters based on the RT2500USB chipset. 48.Pp 49The RT2500USB chipset consists of two integrated chips, a RT2570 MAC/BBP 50and a radio transceiver (the model of which depends on the card revision). 51.Pp 52The RT2522, RT2523, RT2524, RT2525, RT2525e and RT2526 radio transceivers 53operate in the 2.4GHz band (802.11b/g) whereas the RT5222 is a dual-band radio 54transceiver that can operate in the 2.4GHz and 5.2GHz bands (802.11a). 55.Sh HARDWARE 56The 57.Nm 58driver supports USB 2.0 wireless adapters based on the Ralink Technology 59RT2500USB chipset, including: 60.Pp 61.Bl -column -compact ".Li Atlantis Land A02-PCM-W54" "Bus" 62.It Em Card Ta Em Bus 63.It "AMIT WL532U" Ta USB 64.It "ASUS WL-167g" Ta USB 65.It "Belkin F5D7050 v2000" Ta USB 66.It "Buffalo WLI-U2-KG54-AI" Ta USB 67.It "CNet CWD-854" Ta USB 68.It "Compex WLU54G 2A1100" Ta USB 69.It "Conceptronic C54RU" Ta USB 70.It "D-Link DWL-G122 b1" Ta USB 71.It "Dynalink WLG25USB" Ta USB 72.It "E-Tech WGUS02" Ta USB 73.It "Gigabyte GN-WBKG" Ta USB 74.It "Hercules HWGUSB2-54" Ta USB 75.It "KCORP LifeStyle KLS-685" Ta USB 76.It "Linksys WUSB54G v4" Ta USB 77.It "Linksys WUSB54GP v4" Ta USB 78.It "MSI MS-6861" Ta USB 79.It "MSI MS-6865" Ta USB 80.It "MSI MS-6869" Ta USB 81.It "NovaTech NV-902" Ta USB 82.It "OvisLink Evo-W54USB" Ta USB 83.It "SerComm UB801R" Ta USB 84.It "SparkLAN WL-685R" Ta USB 85.It "Surecom EP-9001-g" Ta USB 86.It "Sweex LC100060" Ta USB 87.It "Tonze UW-6200C" Ta USB 88.It "Zinwell ZWX-G261" Ta USB 89.It "Zonet ZEW2500P" Ta USB 90.El 91.Pp 92An up to date list can be found at 93.Pa http://ralink.rapla.net/ . 94.Sh EXAMPLES 95Join an existing BSS network (i.e., connect to an access point): 96.Pp 97.Dl "ifconfig ural0 inet 192.168.0.20 netmask 0xffffff00" 98.Pp 99Join a specific BSS network with network name 100.Dq Li my_net : 101.Pp 102.Dl "ifconfig ural0 inet 192.168.0.20 netmask 0xffffff00 ssid my_net" 103.Pp 104Join a specific BSS network with 40-bit WEP encryption: 105.Bd -literal -offset indent 106ifconfig ural0 inet 192.168.0.20 netmask 0xffffff00 ssid my_net \e 107 wepmode on wepkey 0x1234567890 weptxkey 1 108.Ed 109.Pp 110Join a specific BSS network with 104-bit WEP encryption: 111.Bd -literal -offset indent 112ifconfig ural0 inet 192.168.0.20 netmask 0xffffff00 ssid my_net \e 113 wepmode on wepkey 0x01020304050607080910111213 weptxkey 1 114.Ed 115.Sh DIAGNOSTICS 116.Bl -diag 117.It "ural%d: device timeout" 118The driver will reset the hardware. 119This should not happen. 120.El 121.Sh SEE ALSO 122.Xr altq 4 , 123.Xr arp 4 , 124.Xr netintro 4 , 125.Xr usb 4 , 126.Xr wlan 4 , 127.Xr wlan_amrr 4 , 128.Xr ifconfig 8 129.Rs 130.%T "Ralink Technology" 131.%O http://www.ralinktech.com/ 132.Re 133.Sh HISTORY 134The 135.Nm 136driver first appeared in 137.Ox 3.7 . 138.Sh CAVEATS 139.Pp 140The 141.Nm 142driver does not support automatic adaptation of the transmit speed in IBSS 143and HostAP operating modes. 144.Sh AUTHORS 145The 146.Nm 147driver was written by 148.An Damien Bergamini Aq damien@FreeBSD.org . 149