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:

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

ifconfig.if(5) example configures urtw0 to join whatever network is available on boot, using WEP key “0x1deadbeef1”, channel 11, obtaining an IP address using DHCP:

nwkey 0x1deadbeef1 chan 11 
dhcp

Configure urtw0 to join network “my_net” using WPA with passphrase “my_passphrase”:

# ifconfig urtw0 nwid my_net wpakey my_passphrase

Join an existing BSS network, “my_net”:

# ifconfig urtw0 192.168.1.1 netmask 0xffffff00 nwid my_net

SEE ALSO

arp(4), netintro(4), usb(4), ifconfig.if(5), wpa_supplicant.conf(5), 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>.