WIFI MODULE WITH UART

<p style=”box-sizing: border-box; list-style: disc; word-wrap: break-word; margin: 0px;”><strong><span style=”font-size:18px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Description:</span></span></strong></p>

<p style=”box-sizing: border-box; list-style: disc; word-wrap: break-word; margin: 0px;”><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>HLK-RM04 is a new low-cost embedded UART-ETH-WIFI module (serial port – Ethernet -<br />
Wireless network) developed by Shenzhen Hi-Link ElectronicTechnology co., Ltd<br />
This product is an embedded module based on the universal serial interface network standard,<br />
built-in TCP / IP protocol stack, enabling the user serial port, Ethernet, wireless network (wifi)<br />
interface between the conversions.<br />
Through the HLK-RM04 module, the traditional serial devices do not need to change any<br />
configuration; data can be transmitted through the Internet network. Provide a quick solution for<br />
the user&rsquo;s serial devices to transfer data via Ethernet.&nbsp;</span></span></p>

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<p style=”box-sizing: border-box; list-style: disc; word-wrap: break-word; margin: 0px;”>&nbsp;</p>

<p style=”box-sizing: border-box; list-style: disc; word-wrap: break-word; margin: 0px;”><span style=”font-size:18px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><strong><span style=”line-height:107%”><span style=”color:black”>Technical Specifications </span></span></strong></span></span></p>

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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”>Network standard </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><span style=”color:#333333″>wireless</span><span lang=”ZH-CN”><span style=”color:#333333″>：</span></span><span style=”color:#333333″>IEEE 802.11n</span><span lang=”ZH-CN”><span style=”color:#333333″>、</span></span><span style=”color:#333333″>IEEE 802.11g</span><span lang=”ZH-CN”><span style=”color:#333333″>、</span></span><span style=”color:#333333″>IEEE 802.11b</span> </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><span style=”color:#333333″>wired</span><span lang=”ZH-CN”><span style=”color:#333333″>：</span></span><span style=”color:#333333″>IEEE 802.3</span><span lang=”ZH-CN”><span style=”color:#333333″>、</span></span><span style=”color:#333333″>IEEE 802.3u</span> </span></span></span></span></p>
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<p style=”text-align:justify”><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”>Wireless transmission rate </span></span></span></span></p>
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<p style=”margin-bottom:10px”><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”>11n: maximum up to 150Mbps </span></span></span></span></p>

<p style=”margin-right:229px; text-align:justify”><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”>11g: maximum up to 54Mbps 11b: maximum up to 11Mbps </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><span style=”color:#333333″>Tracks number </span>&nbsp;</span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><span style=”color:#333333″>1-14</span> </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><span style=”color:#333333″>Frequency range</span> </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><span style=”color:#333333″>2.4-2.4835G</span> </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><span style=”color:#333333″>Emission power</span> </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><span style=”color:#333333″>12-15DBM</span> </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><span style=”color:#333333″>Interface</span> </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><span style=”color:#333333″>1 </span><span lang=”ZH-CN”><span style=”color:#333333″>个 </span></span><span style=”color:#333333″>10/100Mbps LAN/WAN multiplex interface</span><span lang=”ZH-CN”><span style=”color:#333333″>、</span></span><span style=”color:#333333″>interface</span> </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><b><span style=”color:#333333″>Antenna</span></b> </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><span style=”color:#333333″>Antenna type</span> </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”>Onboard antenna / External Antenna </span></span></span></span></p>
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<p>&nbsp;</p>
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<p>&nbsp;</p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><b><span style=”color:#333333″>Functional Parameters</span></b> </span></span></span></span></p>
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<p>&nbsp;</p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”>WIFI work mode </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”>Client/AP/Router </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”>WDS Function </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”>Support WDS wireless bridge connection </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”>Wireless security </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><span style=”color:#333333″>Wireless MAC address filtering </span></span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”>Wireless security function switch </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><span style=”color:#333333″>64/128/152 bit WEP encryption</span> </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><span style=”color:#333333″>WPA-PSK/WPA2-PSK</span><span lang=”ZH-CN”><span style=”color:#333333″>、</span></span><span style=”color:#333333″>WPA/WPA2 security mechanism</span> </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”>Network management </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><span style=”color:#333333″>Remote Web management</span> </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”>Configuration file import and export </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><span style=”color:#333333″>WEB software upgrade</span> </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><b><span style=”color:#333333″>Serial to Ethernet</span></b> </span></span></span></span></p>
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<p>&nbsp;</p>
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<p style=”margin-bottom:8px”><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”>Maximum transmission </span></span></span></span></p>

<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”>rate<b> </b></span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”>230400bps<b> </b></span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”>TCP connection </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”>Max connection number&gt;20 </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”>UDP connection </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”>Max connection number&gt;20 </span></span></span></span></p>
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<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”>Serial baud rate </span></span></span></span></p>
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<td style=”border-bottom:solid #7f7f7f 1.0pt; width:4.35in; border-top:none; border-left:none; border-right:solid #7f7f7f 1.0pt; padding:3.45pt 2.05pt 0in .25pt; height:19.9pt” valign=”top” width=”418″>
<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”>50~230400bps<b> </b></span></span></span></span></p>
</td>
</tr>
<tr style=”height:19.9pt”>
<td style=”border-bottom:solid #7f7f7f 1.0pt; width:110.15pt; border-top:none; border-left:solid #7f7f7f 1.0pt; border-right:none; padding:3.45pt 2.05pt 0in .25pt; height:19.9pt” valign=”top” width=”147″>
<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><b><span style=”color:#333333″>Other Parameters</span></b> </span></span></span></span></p>
</td>
<td style=”border-bottom:solid #7f7f7f 1.0pt; width:4.35in; border-top:none; border-left:none; border-right:solid #7f7f7f 1.0pt; padding:3.45pt 2.05pt 0in .25pt; height:19.9pt” valign=”top” width=”418″>
<p>&nbsp;</p>
</td>
</tr>
<tr style=”height:20.15pt”>
<td style=”border:solid #7f7f7f 1.0pt; width:110.15pt; border-top:none; padding:3.45pt 2.05pt 0in .25pt; height:20.15pt” valign=”top” width=”147″>
<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><span style=”color:#333333″>Status indicator</span> </span></span></span></span></p>
</td>
<td style=”border-bottom:solid #7f7f7f 1.0pt; width:4.35in; border-top:none; border-left:none; border-right:solid #7f7f7f 1.0pt; padding:3.45pt 2.05pt 0in .25pt; height:20.15pt” valign=”top” width=”418″>
<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><span style=”color:#333333″>Status indicator</span> </span></span></span></span></p>
</td>
</tr>
<tr style=”height:19.9pt”>
<td rowspan=”4″ style=”border:solid #7f7f7f 1.0pt; width:110.15pt; border-top:none; padding:3.45pt 2.05pt 0in .25pt; height:19.9pt” width=”147″>
<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><span style=”color:#333333″>Environmental standard</span> </span></span></span></span></p>
</td>
<td style=”border-bottom:solid #7f7f7f 1.0pt; width:4.35in; border-top:none; border-left:none; border-right:solid #7f7f7f 1.0pt; padding:3.45pt 2.05pt 0in .25pt; height:19.9pt” valign=”top” width=”418″>
<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><span style=”color:#333333″>Operating temperature</span><span lang=”ZH-CN”><span style=”color:#333333″>：</span></span><span style=”color:#333333″>-20-70℃</span> </span></span></span></span></p>
</td>
</tr>
<tr style=”height:19.9pt”>
<td style=”border-bottom:solid #7f7f7f 1.0pt; width:4.35in; border-top:none; border-left:none; border-right:solid #7f7f7f 1.0pt; padding:3.45pt 2.05pt 0in .25pt; height:19.9pt” valign=”top” width=”418″>
<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><span style=”color:#333333″>Operating humidity</span><span lang=”ZH-CN”><span style=”color:#333333″>：</span></span><span style=”color:#333333″>10%-90%RH</span><span lang=”ZH-CN”><span style=”color:#333333″>（</span></span><span style=”color:#333333″>noncondensing</span><span lang=”ZH-CN”><span style=”color:#333333″>）</span></span> </span></span></span></span></p>
</td>
</tr>
<tr style=”height:20.15pt”>
<td style=”border-bottom:solid #7f7f7f 1.0pt; width:4.35in; border-top:none; border-left:none; border-right:solid #7f7f7f 1.0pt; padding:3.45pt 2.05pt 0in .25pt; height:20.15pt” valign=”top” width=”418″>
<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><span style=”color:#333333″>Storage temperature</span><span lang=”ZH-CN”><span style=”color:#333333″>：</span></span><span style=”color:#333333″>-40-80℃</span> </span></span></span></span></p>
</td>
</tr>
<tr style=”height:19.9pt”>
<td style=”border-bottom:solid #7f7f7f 1.0pt; width:4.35in; border-top:none; border-left:none; border-right:solid #7f7f7f 1.0pt; padding:3.45pt 2.05pt 0in .25pt; height:19.9pt” valign=”top” width=”418″>
<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><span style=”color:#333333″>Storage humidity</span><span lang=”ZH-CN”><span style=”color:#333333″>：</span></span><span style=”color:#333333″>5%-90%RH</span><span lang=”ZH-CN”><span style=”color:#333333″>（</span></span><span style=”color:#333333″>noncondensing</span><span lang=”ZH-CN”><span style=”color:#333333″>）</span></span> </span></span></span></span></p>
</td>
</tr>
<tr style=”height:20.15pt”>
<td style=”border:solid #7f7f7f 1.0pt; width:110.15pt; border-top:none; padding:3.45pt 2.05pt 0in .25pt; height:20.15pt” valign=”top” width=”147″>
<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><span style=”color:#333333″>Additional properties </span></span></span></span></span></p>
</td>
<td style=”border-bottom:solid #7f7f7f 1.0pt; width:4.35in; border-top:none; border-left:none; border-right:solid #7f7f7f 1.0pt; padding:3.45pt 2.05pt 0in .25pt; height:20.15pt” valign=”top” width=”418″>
<p><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span style=”line-height:normal”><span style=”color:black”><span style=”color:#333333″>Frequency bandwidth optional</span><span lang=”ZH-CN”><span style=”color:#333333″>：</span></span><span style=”color:#333333″>20MHz</span><span lang=”ZH-CN”><span style=”color:#333333″>、</span></span><span style=”color:#333333″>40MHz</span><span lang=”ZH-CN”><span style=”color:#333333″>，</span></span><span style=”color:#333333″>Automatic</span> </span></span></span></span></p>
</td>
</tr>
</tbody>
</table>

<p style=”box-sizing: border-box; list-style: disc; word-wrap: break-word; margin: 0px;”>&nbsp;</p>

<p style=”box-sizing: border-box; list-style: disc; word-wrap: break-word; margin: 0px;”>&nbsp;</p>

<p style=”box-sizing: border-box; list-style: disc; word-wrap: break-word; margin: 0px;”>&nbsp;</p>

<p style=”box-sizing: border-box; list-style: disc; word-wrap: break-word; margin: 0px;”>&nbsp;</p>

<p style=”box-sizing: border-box; list-style: disc; word-wrap: break-word; margin: 0px;”><span style=”font-size:18px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><strong>Pins Interface</strong></span></span></p>

<table border=”1″ cellpadding=”1″ cellspacing=”1″ style=”width:500px;”>
<tbody>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>No.</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Function</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Direction</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Explanation</span></span></td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>1</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>VDD5V</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>A</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>5 Power input</span></span></td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>2</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>GND</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>GND</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Power ground</span></span></td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>3</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>GND</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>G</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Serial sending</span></span></td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>4</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>3.3V</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>I</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>3.3V power output</span></span></td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>5</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>LINK1</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>I/O</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Net gape 1 LED indicate</span></span></td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>6</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>USB_P</span></span></td>
<td>&nbsp;</td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>USB signal</span></span></td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>7</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>USB_M</span></span></td>
<td>&nbsp;</td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>USB signal</span></span></td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>8</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>I2S_SD</span></span></td>
<td>&nbsp;</td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>I2C DATA/GPIO</span></span></td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>9</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>I2S_CLK</span></span></td>
<td>&nbsp;</td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>I2C CLK/GPIO</span></span></td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>10</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>GIOP0</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>I/O</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Universal GPIO</span></span></td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>11</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>TXOP1</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>I/O</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Net gape 1 TX-P</span></span></td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>12</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>TXON1</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>I/O</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Net gape 1 TX-N</span></span><br />
&nbsp;</td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>13</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>RXIP2</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>I/O</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Net gape 2 RX-P</span></span><br />
&nbsp;</td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>14</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>RXIN2</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>I/O</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Net gape 2 RX-N</span></span><br />
&nbsp;</td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>15</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>RXIN1</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>I/O</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Net gape 1 RX-P</span></span><br />
&nbsp;</td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>16</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>RXIP1</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>I/O</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Net gape 1 RX-P</span></span><br />
&nbsp;</td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>17</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>TXON2</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>I/O</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Net gape 2 TX-N</span></span><br />
&nbsp;</td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>18</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>TXOP2</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>I/O</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Net gape 2 TX-P</span></span><br />
&nbsp;</td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>19</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>RTS_N</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>I</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>All function serial RTS</span></span><br />
&nbsp;</td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>20</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>UART_RX</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>I</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Simple serial RX</span></span><br />
&nbsp;</td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>21</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>UART_TX</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>O</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Simple serial TX</span></span><br />
&nbsp;</td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>22</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>RXD</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>I</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>All function serial RX</span></span><br />
&nbsp;</td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>23</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>LINK2&nbsp;</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>I/O</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Net gape 2 LED I/O indicate</span></span></td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>24</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>CTS_N&nbsp;</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>O</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>All function serial CTS</span></span></td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>25</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>RIN&nbsp;</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>I</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>GPIO</span></span></td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>26</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>TXD&nbsp;</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>O</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>All function serial TX</span></span></td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>27</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>1.8V&nbsp;</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Power Out</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Net gape 1.8V output</span></span></td>
</tr>
<tr>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>28</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>VDD5V&nbsp;</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>Power In</span></span></td>
<td><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”>5V input&nbsp;</span></span></td>
</tr>
</tbody>
</table>

<p style=”box-sizing: border-box; list-style: disc; word-wrap: break-word; margin: 0px;”>&nbsp;</p>

<p style=”box-sizing: border-box; list-style: disc; word-wrap: break-word; margin: 0px;”><span style=”font-size:14px;”><span style=”font-family:Arial,Helvetica,sans-serif;”><span class=”a-list-item” style=”box-sizing: border-box;”><a href=”https://www.prometec.net/wp-content/uploads/2015/01/HLK-RM04-user-manual.pdf”><span style=”color:#3498db;”>Datasheet: HLK-RM04 User Manual</span></a></span></span></span></p>