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URTW(4)			 BSD Kernel Interfaces Manual		       URTW(4)

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:

	   urtw* at uhub? port ?

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 config‐
     uring 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⟩.

BSD			       October 17, 2009				   BSD

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