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NAME
       urtw — Realtek RTL8187B/L USB IEEE 802.11b/g wireless network device


SYNOPSIS
       To compile this driver into the kernel, place the following lines in your kernel configuration file:

             device ehci
             device uhci
             device ohci
             device usb
             device urtw
             device wlan

       Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

             if_urtw_load="YES"


DESCRIPTION
       The urtw driver supports USB 802.11b/g wireless adapters based on the Realtek RTL8187B/L.

       urtw  supports  station  and monitor mode operation.  Only one virtual interface may be configured at any
       time.  For more information on configuring this device, see ifconfig(8).


HARDWARE
       The urtw driver supports Realtek RTL8187B/L based wireless network devices, including:

             Card                          Radio      Bus
             Belkin F5D7050E               RTL8225    USB
             Linksys WUSB54GCv2            RTL8225    USB
             Netgear WG111v2               RTL8225    USB
             Netgear WG111v3               RTL8225    USB
             Safehome WLG-1500SMA5         RTL8225    USB
             Shuttle XPC Accessory PN20    RTL8225    USB
             Sitecom WL168v1               RTL8225    USB
             Sitecom WL168v4               RTL8225    USB
             SureCom EP-9001-g(2A)         RTL8225    USB
             TRENDnet TEW-424UB V3.xR      RTL8225    USB


EXAMPLES
       Join an existing BSS network (i.e., connect to an access point):

             ifconfig wlan create wlandev urtw0 inet 192.168.0.20 \
                 netmask 0xffffff00

       Join a specific BSS network with network name “my_net”:

             ifconfig wlan create wlandev urtw0 ssid my_net up

       Join a specific BSS network with 64-bit WEP encryption:

             ifconfig wlan create wlandev urtw0 ssid my_net \
                     wepmode on wepkey 0x1234567890 weptxkey 1 up


SEE ALSO
       intro(4),  netintro(4),  usb(4),   wlan(4),   wlan_ccmp(4),   wlan_tkip(4),   wlan_wep(4),   ifconfig(8),
       wpa_supplicant(8)

       Realtek, http://www.realtek.com.tw.


HISTORY
       The urtw device driver first appeared in FreeBSD 8.0.


AUTHORS
       The urtw driver was written by Weongyo Jeong <weongyo@FreeBSD.org>.

Debian                                          October 17, 2009                                         URTW(4)