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

HISTORY

The urtw device driver first appeared in FreeBSD 8.0.

AUTHORS

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