1.\" Copyright (c) 2008 Weongyo Jeong 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.Dd October 17, 2009 26.Dt URTW 4 27.Os 28.Sh NAME 29.Nm urtw 30.Nd Realtek RTL8187B/L USB IEEE 802.11b/g wireless network device 31.Sh SYNOPSIS 32To compile this driver into the kernel, 33place the following lines in your kernel configuration file: 34.Bd -ragged -offset indent 35.Cd "device ehci" 36.Cd "device uhci" 37.Cd "device ohci" 38.Cd "device usb" 39.Cd "device urtw" 40.Cd "device wlan" 41.Ed 42.Pp 43Alternatively, to load the driver as a module at boot time, 44place the following line in 45.Xr loader.conf 5 : 46.Bd -literal -offset indent 47if_urtw_load="YES" 48.Ed 49.Sh DESCRIPTION 50The 51.Nm 52driver supports USB 802.11b/g wireless adapters based on the 53Realtek RTL8187B/L. 54.Pp 55.Nm 56supports 57.Cm station 58and 59.Cm monitor 60mode operation. 61Only one virtual interface may be configured at any time. 62For more information on configuring this device, see 63.Xr ifconfig 8 . 64.Sh HARDWARE 65The 66.Nm 67driver supports Realtek RTL8187B/L based wireless network devices, including: 68.Pp 69.Bl -column "Shuttle XPC Accessory PN20" "RTL8225" "USB" -compact -offset 6n 70.It Em "Card Radio Bus" 71.It "Belkin F5D7050E RTL8225 USB" 72.It "Linksys WUSB54GCv2 RTL8225 USB" 73.It "Netgear WG111v2 RTL8225 USB" 74.It "Netgear WG111v3 RTL8225 USB" 75.It "Safehome WLG-1500SMA5 RTL8225 USB" 76.It "Shuttle XPC Accessory PN20 RTL8225 USB" 77.It "Sitecom WL168v1 RTL8225 USB" 78.It "Sitecom WL168v4 RTL8225 USB" 79.It "SureCom EP-9001-g(2A) RTL8225 USB" 80.It "TRENDnet TEW-424UB V3.xR RTL8225 USB" 81.El 82.Sh EXAMPLES 83Join an existing BSS network (i.e., connect to an access point): 84.Bd -literal -offset indent 85ifconfig wlan create wlandev urtw0 inet 192.168.0.20 \e 86 netmask 0xffffff00 87.Ed 88.Pp 89Join a specific BSS network with network name 90.Dq Li my_net : 91.Pp 92.Dl "ifconfig wlan create wlandev urtw0 ssid my_net up" 93.Pp 94Join a specific BSS network with 64-bit WEP encryption: 95.Bd -literal -offset indent 96ifconfig wlan create wlandev urtw0 ssid my_net \e 97 wepmode on wepkey 0x1234567890 weptxkey 1 up 98.Ed 99.Sh SEE ALSO 100.Xr intro 4 , 101.Xr netintro 4 , 102.Xr usb 4 , 103.Xr wlan 4 , 104.Xr wlan_ccmp 4 , 105.Xr wlan_tkip 4 , 106.Xr wlan_wep 4 , 107.Xr ifconfig 8 , 108.Xr wpa_supplicant 8 109.Rs 110.%T Realtek 111.%U https://www.realtek.com 112.Re 113.Sh HISTORY 114The 115.Nm 116device driver first appeared in 117.Fx 8.0 . 118.Sh AUTHORS 119.An -nosplit 120The 121.Nm 122driver was written by 123.An Weongyo Jeong Aq Mt weongyo@FreeBSD.org . 124