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<table class="head">
  <tr>
    <td class="head-ltitle">RTWN_USB(4)</td>
    <td class="head-vol">Device Drivers Manual</td>
    <td class="head-rtitle">RTWN_USB(4)</td>
  </tr>
</table>
<div class="manual-text">
<section class="Sh">
<h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1>
<p class="Pp"><code class="Nm">rtwn_usb</code> &#x2014; <span class="Nd">Realtek
    wireless rtwn network driver USB support</span></p>
</section>
<section class="Sh">
<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1>
<p class="Pp">To compile this driver into the kernel, place the following lines
    in your kernel configuration file:</p>
<div class="Bd Pp Bd-indent"><code class="Cd">device xhci</code>
<br/>
<code class="Cd">device ehci</code>
<br/>
<code class="Cd">device uhci</code>
<br/>
<code class="Cd">device ohci</code>
<br/>
<code class="Cd">device usb</code>
<br/>
<code class="Cd">device rtwn</code>
<br/>
<code class="Cd">device rtwn_usb</code>
<br/>
<code class="Cd">device wlan</code></div>
</section>
<section class="Sh">
<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1>
<p class="Pp">The <code class="Nm">rtwn_usb</code> driver provides support for
    USB wireless network devices to the <a class="Xr">rtwn(4)</a> driver.</p>
</section>
<section class="Sh">
<h1 class="Sh" id="HARDWARE"><a class="permalink" href="#HARDWARE">HARDWARE</a></h1>
<p class="Pp">The <code class="Nm">rtwn_usb</code> driver supports USB wireless
    network adapters based on certain Realtek RTL 8188/8192/8812 and 8821
    chipsets, including:</p>
<p class="Pp"></p>
<table class="Bl-column Bl-compact">
  <tr id="Card">
    <td><a class="permalink" href="#Card"><i class="Em">Card</i></a></td>
    <td><a class="permalink" href="#Chip"><i class="Em" id="Chip">Chip</i></a></td>
    <td><a class="permalink" href="#Bus"><i class="Em" id="Bus">Bus</i></a></td>
  </tr>
  <tr>
    <td>Alfa AWUS036NHR v2</td>
    <td>RTL8188RU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>ASUS USB-AC56</td>
    <td>RTL8812AU</td>
    <td>USB 3.0</td>
  </tr>
  <tr>
    <td>ASUS USB-N10 NANO</td>
    <td>RTL8188CUS</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>ASUS USB-N10 NANO rev B1</td>
    <td>RTL8188EUS</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>Asus USB-N13, rev. B1</td>
    <td>RTL8192CU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>Belkin F7D1102 Surf Wireless Micro</td>
    <td>RTL8188CUS</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>Buffalo WI-U2-433DHP</td>
    <td>RTL8821AU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>Buffalo WI-U2-433DM</td>
    <td>RTL8821AU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>Buffalo WI-U3-866D</td>
    <td>RTL8812AU</td>
    <td>USB 3.0</td>
  </tr>
  <tr>
    <td>D-Link DWA-121 rev C1A (N150 Nano)</td>
    <td>RTL8188EU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>D-Link DWA-123 rev D1</td>
    <td>RTL8188EU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>D-Link DWA-125 rev D1</td>
    <td>RTL8188EU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>D-Link DWA-131</td>
    <td>RTL8192CU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>D-Link DWA-131 rev E1</td>
    <td>RTL8192EU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>D-Link DWA-171 rev A1</td>
    <td>RTL8821AU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>D-Link DWA-172 rev A1</td>
    <td>RTL8821AU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>D-Link DWA-180 rev A1</td>
    <td>RTL8812AU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>D-Link DWA-182 rev C1</td>
    <td>RTL8812AU</td>
    <td>USB 3.0</td>
  </tr>
  <tr>
    <td>Edimax EW-7811Un</td>
    <td>RTL8188CUS</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>Edimax EW-7811UTC</td>
    <td>RTL8821AU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>Edimax EW-7822UAC</td>
    <td>RTL8812AU</td>
    <td>USB 3.0</td>
  </tr>
  <tr>
    <td>EDUP EP-AC1620</td>
    <td>RTL8821AU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>Elecom WDC-150SU2M</td>
    <td>RTL8188EU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>EnGenius EUB1200AC</td>
    <td>RTL8812AU</td>
    <td>USB 3.0</td>
  </tr>
  <tr>
    <td>Foxconn WFUR6</td>
    <td>RTL8812AU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>Hawking HD65U</td>
    <td>RTL8821AU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>Hercules Wireless N USB Pico</td>
    <td>RTL8188CUS</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>I-O Data WN-AC867U</td>
    <td>RTL8812AU</td>
    <td>USB 3.0</td>
  </tr>
  <tr>
    <td>Linksys WUSB6300</td>
    <td>RTL8812AU</td>
    <td>USB 3.0</td>
  </tr>
  <tr>
    <td>NEC AtermWL900U PA-WL900U</td>
    <td>RTL8812AU</td>
    <td>USB 3.0</td>
  </tr>
  <tr>
    <td>Netgear A6100</td>
    <td>RTL8821AU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>Netgear WNA1000M</td>
    <td>RTL8188CUS</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>Mercusys MW150US</td>
    <td>RTL8188EU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>Planex GW-900D</td>
    <td>RTL8812AU</td>
    <td>USB 3.0</td>
  </tr>
  <tr>
    <td>Realtek RTL8192CU</td>
    <td>RTL8192CU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>Realtek RTL8188CUS</td>
    <td>RTL8188CUS</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>Sitecom WLA-7100</td>
    <td>RTL8812AU</td>
    <td>USB 3.0</td>
  </tr>
  <tr>
    <td>TP-Link Archer T2U Nano</td>
    <td>RTL8821AU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>TP-Link Archer T2U Plus</td>
    <td>RTL8821AU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>TP-Link Archer T2U v3</td>
    <td>RTL8821AU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>TP-Link Archer T4U</td>
    <td>RTL8812AU</td>
    <td>USB 3.0</td>
  </tr>
  <tr>
    <td>TP-Link Archer T4U v2</td>
    <td>RTL8812AU</td>
    <td>USB 3.0</td>
  </tr>
  <tr>
    <td>TP-Link Archer T4UH v1</td>
    <td>RTL8812AU</td>
    <td>USB 3.0</td>
  </tr>
  <tr>
    <td>TP-Link Archer T4UH v2</td>
    <td>RTL8812AU</td>
    <td>USB 3.0</td>
  </tr>
  <tr>
    <td>TP-Link TL-WN722N v2</td>
    <td>RTL8188EU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>TP-LINK TL-WN723N v3</td>
    <td>RTL8188EU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>TP-LINK TL-WN725N v2</td>
    <td>RTL8188EU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>TP-LINK TL-WN727N v5</td>
    <td>RTL8188EU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>TP-LINK TL-WN821N v4</td>
    <td>RTL8192CU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>TP-LINK TL-WN821N v5</td>
    <td>RTL8192EU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>TP-LINK TL-WN822N v4</td>
    <td>RTL8192EU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>TP-LINK TL-WN823N v1</td>
    <td>RTL8192CU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>TP-LINK TL-WN823N v2</td>
    <td>RTL8192EU</td>
    <td>USB 2.0</td>
  </tr>
  <tr>
    <td>TRENDnet TEW-805UB</td>
    <td>RTL8812AU</td>
    <td>USB 3.0</td>
  </tr>
  <tr>
    <td>ZyXEL NWD6605</td>
    <td>RTL8812AU</td>
    <td>USB 3.0</td>
  </tr>
</table>
</section>
<section class="Sh">
<h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE
  ALSO</a></h1>
<p class="Pp"><a class="Xr">rtwn(4)</a>, <a class="Xr">rtwn_pci(4)</a>,
    <a class="Xr">rtwnfw(4)</a>, <a class="Xr">usb(4)</a></p>
</section>
<section class="Sh">
<h1 class="Sh" id="BUGS"><a class="permalink" href="#BUGS">BUGS</a></h1>
<p class="Pp">The <code class="Nm">rtwn_usb</code> driver does not support any
    of the 802.11ac capabilities offered by the adapters. Additional work is
    required in <a class="Xr">ieee80211(9)</a> before those features can be
    supported.</p>
</section>
</div>
<table class="foot">
  <tr>
    <td class="foot-date">November 10, 2024</td>
    <td class="foot-os">FreeBSD 15.0</td>
  </tr>
</table>