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	<title>Carlson RT3 | RT4 Tablet - RTK Mobile</title>
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	<link>https://rtkmobile.com</link>
	<description>SIM cards and data plans designed for Carlson Software GNSS receivers and tablets.</description>
	<lastBuildDate>Mon, 22 Dec 2025 18:49:28 +0000</lastBuildDate>
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<image>
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	<title>Carlson RT3 | RT4 Tablet - RTK Mobile</title>
	<link>https://rtkmobile.com</link>
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	<item>
		<title>Connecting Internet with Skylight (only RT3/RT4)</title>
		<link>https://rtkmobile.com/setup/tablet/carlson-rt3-rt4-tablet/connecting-internet-with-skylight-only-rt4/</link>
		
		<dc:creator><![CDATA[Jared Trent]]></dc:creator>
		<pubDate>Thu, 10 Aug 2023 18:36:45 +0000</pubDate>
				<category><![CDATA[Carlson RT3 | RT4 Tablet]]></category>
		<guid isPermaLink="false">https://rtkmobile.com/?page_id=1175</guid>

					<description><![CDATA[<p>Sometimes the RT3/RT4 has some hidden APN profiles that can interfere with connecting with the internet. The goal of this section is to use Skylight to remove these shadow profiles and make sure that only APN left is flolive.net with the correct settings. Downloading and Installing Download Skylight on your<span class="excerpt-hellip"> […]</span></p>
<p>The post <a href="https://rtkmobile.com/setup/tablet/carlson-rt3-rt4-tablet/connecting-internet-with-skylight-only-rt4/">Connecting Internet with Skylight (only RT3/RT4)</a> first appeared on <a href="https://rtkmobile.com">RTK Mobile</a>.</p>]]></description>
										<content:encoded><![CDATA[<p class="wp-block-paragraph">Sometimes the RT3/RT4 has some hidden APN profiles that can interfere with connecting with the internet. The goal of this section is to use Skylight to remove these shadow profiles and make sure that only APN left is flolive.net with the correct settings.</p>



<figure class="wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio"><div class="wp-block-embed__wrapper">
<iframe title="Carlson RT3/RT4 Tablet SIM Setup with Skylight" width="1220" height="915" src="https://www.youtube.com/embed/MTD0AyGHoq0?feature=oembed" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
</div></figure>



<h2 class="wp-block-heading">Downloading and Installing</h2>



<p class="wp-block-paragraph"><a href="https://harvestmaster.com/data/support/mesa/sierra-skylight-4814.exe" title="Download Skylight">Download Skylight</a> on your RT3/RT4 by using WIFI or you can also save it to a thumb drive and copy it to your tablet. <em>Do not download Skylight from the Microsoft app store. The Skylight version 4814 is specific for this modem and you may have problems seeing profiles with other versions.</em></p>



<p class="wp-block-paragraph">Install Skylight with default options on the tablet.</p>



<h2 class="wp-block-heading">Using Skylight to connect to flolive.net</h2>



<p class="wp-block-paragraph">Find the Skylight icon on the Desktop and double click it.</p>



<figure class="wp-block-image size-full"><img decoding="async" width="80" height="92" src="https://rtkmobile.com/wp-content/uploads/2023/08/scylighticon-1.png" alt="" class="wp-image-1177" srcset="https://rtkmobile.com/wp-content/uploads/2023/08/scylighticon-1.png 80w, https://rtkmobile.com/wp-content/uploads/2023/08/scylighticon-1-65x75.png 65w" sizes="(max-width:767px) 80px, 80px" /></figure>



<p class="wp-block-paragraph">If you are having connection problems it might look similar to this:</p>



<figure class="wp-block-image size-full"><img fetchpriority="high" decoding="async" width="390" height="382" src="https://rtkmobile.com/wp-content/uploads/2023/08/skyligntgreybutton.png" alt="" class="wp-image-1178" srcset="https://rtkmobile.com/wp-content/uploads/2023/08/skyligntgreybutton.png 390w, https://rtkmobile.com/wp-content/uploads/2023/08/skyligntgreybutton-300x294.png 300w, https://rtkmobile.com/wp-content/uploads/2023/08/skyligntgreybutton-77x75.png 77w" sizes="(max-width:767px) 390px, 390px" /></figure>



<h3 class="wp-block-heading">Cleaning Up</h3>



<p class="wp-block-paragraph">Click on the wrench icon to get to the profiles.</p>



<figure class="wp-block-image size-full"><img loading="lazy" decoding="async" width="390" height="382" src="https://rtkmobile.com/wp-content/uploads/2023/08/Wrench-1.png" alt="" class="wp-image-1180" srcset="https://rtkmobile.com/wp-content/uploads/2023/08/Wrench-1.png 390w, https://rtkmobile.com/wp-content/uploads/2023/08/Wrench-1-300x294.png 300w, https://rtkmobile.com/wp-content/uploads/2023/08/Wrench-1-77x75.png 77w" sizes="auto, (max-width:767px) 390px, 390px" /></figure>



<p class="wp-block-paragraph">Now click on profiles and then click on the Default profile. You may need to maximize the window and slide the dividing bar to the right to see the entire name of the profiles. Change the APN to flolive.net (make sure it is spelled correctly and no spaces before or after). Just as you see in the picture below, delete any username and password, PDP type should be IPv4 or Default, and Authentication is set to None. Once that is done, click on Apply.</p>



<figure class="wp-block-image size-full"><img loading="lazy" decoding="async" width="822" height="344" src="https://rtkmobile.com/wp-content/uploads/2023/08/editdefaultcrop-1.png" alt="" class="wp-image-1182" srcset="https://rtkmobile.com/wp-content/uploads/2023/08/editdefaultcrop-1.png 822w, https://rtkmobile.com/wp-content/uploads/2023/08/editdefaultcrop-1-300x126.png 300w, https://rtkmobile.com/wp-content/uploads/2023/08/editdefaultcrop-1-768x321.png 768w, https://rtkmobile.com/wp-content/uploads/2023/08/editdefaultcrop-1-150x63.png 150w, https://rtkmobile.com/wp-content/uploads/2023/08/editdefaultcrop-1-480x201.png 480w" sizes="auto, (max-width:767px) 480px, (max-width:822px) 100vw, 822px" /></figure>



<p class="wp-block-paragraph">Delete all other profiles. If you can&#8217;t edit or delete profiles, that usually means that you are already connected. Click on OK to confirm changes and exit User Options and go back to the main Skylight App. Windows will repopulate the one with &#8220;ProvisionedContextInternetProfile&#8221; as part of the name. This is normal as long as the APN is set up just like the Default profile we edited.</p>



<figure class="wp-block-image size-full"><img loading="lazy" decoding="async" width="390" height="382" src="https://rtkmobile.com/wp-content/uploads/2023/08/Connect.png" alt="" class="wp-image-1183" srcset="https://rtkmobile.com/wp-content/uploads/2023/08/Connect.png 390w, https://rtkmobile.com/wp-content/uploads/2023/08/Connect-300x294.png 300w, https://rtkmobile.com/wp-content/uploads/2023/08/Connect-77x75.png 77w" sizes="auto, (max-width:767px) 390px, 390px" /></figure>



<h3 class="wp-block-heading">Connecting to the Internet</h3>



<p class="wp-block-paragraph">It might take a minute or two, but it should show this screen. If it doesn&#8217;t give the option to connect, try using the drop down below the connect button. Some tablets will require turning cellular off and on again or a reboot and then checking the profiles again. There should only be profiles with APN flolive.net with the other settings as above. After it connects, the connect button will change to a Disconnect button. A quick fix can also be to turn off Cellular and turn it back on.</p>



<figure class="wp-block-image size-full"><img loading="lazy" decoding="async" width="390" height="382" src="https://rtkmobile.com/wp-content/uploads/2023/08/connected.png" alt="" class="wp-image-1184" srcset="https://rtkmobile.com/wp-content/uploads/2023/08/connected.png 390w, https://rtkmobile.com/wp-content/uploads/2023/08/connected-300x294.png 300w, https://rtkmobile.com/wp-content/uploads/2023/08/connected-77x75.png 77w" sizes="auto, (max-width:767px) 390px, 390px" /></figure>



<p class="wp-block-paragraph">You can now close Skylight and check the system tray internet button to check on the status.</p>



<figure class="wp-block-image size-full"><img loading="lazy" decoding="async" width="451" height="779" src="https://rtkmobile.com/wp-content/uploads/2023/08/internetcropped.png" alt="" class="wp-image-1186" srcset="https://rtkmobile.com/wp-content/uploads/2023/08/internetcropped.png 451w, https://rtkmobile.com/wp-content/uploads/2023/08/internetcropped-174x300.png 174w, https://rtkmobile.com/wp-content/uploads/2023/08/internetcropped-43x75.png 43w" sizes="auto, (max-width:767px) 451px, 451px" /></figure>



<p class="wp-block-paragraph">If this doesn&#8217;t work, you may need to follow <a href="https://rtkmobile.com/rt4-troubleshooting/" title="additional troubleshooting">additional troubleshooting</a>.</p><p>The post <a href="https://rtkmobile.com/setup/tablet/carlson-rt3-rt4-tablet/connecting-internet-with-skylight-only-rt4/">Connecting Internet with Skylight (only RT3/RT4)</a> first appeared on <a href="https://rtkmobile.com">RTK Mobile</a>.</p>]]></content:encoded>
					
		
		
			</item>
		<item>
		<title>RT4 Troubleshooting Checklist</title>
		<link>https://rtkmobile.com/setup/tablet/carlson-rt3-rt4-tablet/rt4-troubleshooting/</link>
		
		<dc:creator><![CDATA[Kenneth Trent]]></dc:creator>
		<pubDate>Fri, 12 May 2023 05:14:26 +0000</pubDate>
				<category><![CDATA[Carlson RT3 | RT4 Tablet]]></category>
		<guid isPermaLink="false">https://rtkmobile.com/?page_id=920</guid>

					<description><![CDATA[<p>When you have the &#8220;Connected, roaming&#8221; message as shown above, you know the SIM card is configured correctly and is connected to the internet. Follow these steps in the order shown if you followed the instructions here and are still having trouble. Consider calling us at 435-250-4112 for technical support.<span class="excerpt-hellip"> […]</span></p>
<p>The post <a href="https://rtkmobile.com/setup/tablet/carlson-rt3-rt4-tablet/rt4-troubleshooting/">RT4 Troubleshooting Checklist</a> first appeared on <a href="https://rtkmobile.com">RTK Mobile</a>.</p>]]></description>
										<content:encoded><![CDATA[<figure class="wp-block-image size-full is-resized"><img loading="lazy" decoding="async" width="450" height="728" src="https://rtkmobile.com/wp-content/uploads/2023/05/CellularConnected.png" alt="" class="wp-image-921" style="width:263px;height:426px" srcset="https://rtkmobile.com/wp-content/uploads/2023/05/CellularConnected.png 450w, https://rtkmobile.com/wp-content/uploads/2023/05/CellularConnected-185x300.png 185w, https://rtkmobile.com/wp-content/uploads/2023/05/CellularConnected-46x75.png 46w" sizes="auto, (max-width:767px) 450px, 450px" /></figure>



<p class="wp-block-paragraph">When you have the &#8220;Connected, roaming&#8221; message as shown above, you know the SIM card is configured correctly and is connected to the internet. Follow these steps in the order shown if you followed the instructions <a href="https://rtkmobile.com/support/tablet-support/rt4-support/" title="">here</a> and are still having trouble. Consider calling us at 435-250-4112 for technical support.</p>



<h2 class="wp-block-heading">1. Verify SIM is Activated</h2>



<p class="wp-block-paragraph">Login to your&nbsp;<a href="https://rtkmobile.com/account/">RTK Mobile account</a>&nbsp;to see your Data plans and the ICCID number associated with each plan. The ICCID number is printed both on the credit card sized SIM carrier that your SIM was punched out of and on the SIM you put in the RT4. If you don’t know how to log into your account, you can verify the SIM status on the&nbsp;<a href="https://rtkmobile.com/sim/">Activation page</a>&nbsp;just by typing in the ICCID number. If it does not have a status of “Active” or “activated” you will need to associate a data plan with the SIM card.</p>



<h2 class="wp-block-heading">2. Verify SIM is detected by RT4</h2>



<p class="wp-block-paragraph">If you haven&#8217;t already, make sure that your tablet has Cell support. Follow <a href="https://rtkmobile.com/does-my-tablet-support-cell/" title="these instructions">these instructions</a> to make sure.</p>



<p class="wp-block-paragraph">Even though the SIM card is in the RT4, it could be seated incorrectly and not making contact. Make sure you are using the Micro punchout size that is one bigger than the smallest. If you punched out the smallest size, you can carefully put it back in the Micro size plastic spacer. </p>



<p class="wp-block-paragraph"><em>If you are replacing a SIM card with a new one, it is best to start the RT4 without a SIM card inside before turning it off and putting the new one in.</em></p>



<h2 class="wp-block-heading">3. Verify RT4 has updated drivers</h2>



<p class="wp-block-paragraph">Open Device Manager and show hidden devices under View.</p>



<p class="wp-block-paragraph">Expand <strong>Network Adapters,</strong> and uninstall Sierra Wireless related device drivers by right clicking and choosing uninstall or selecting and click on Action > Uninstall device.</p>



<figure class="wp-block-image size-full"><img loading="lazy" decoding="async" width="796" height="490" src="https://rtkmobile.com/wp-content/uploads/2023/05/devicem_deletef-1.jpg" alt="" class="wp-image-3790" srcset="https://rtkmobile.com/wp-content/uploads/2023/05/devicem_deletef-1.jpg 796w, https://rtkmobile.com/wp-content/uploads/2023/05/devicem_deletef-1-300x185.jpg 300w, https://rtkmobile.com/wp-content/uploads/2023/05/devicem_deletef-1-768x473.jpg 768w, https://rtkmobile.com/wp-content/uploads/2023/05/devicem_deletef-1-122x75.jpg 122w, https://rtkmobile.com/wp-content/uploads/2023/05/devicem_deletef-1-480x295.jpg 480w" sizes="auto, (max-width:767px) 480px, (max-width:796px) 100vw, 796px" /></figure>



<p class="wp-block-paragraph">After uninstalling the drivers and devices, click on Action and click on Scan for hardware changes. This will reinstall the modem</p>



<h3 class="wp-block-heading">Connecting to the internet using an RTK Mobile SIM card</h3>



<p class="wp-block-paragraph">In the lower right area of the task bar, tap the internet icon (three types of internet icons are circled in red below) and make sure that Cellular is enabled.</p>



<figure class="wp-block-image is-resized"><img loading="lazy" decoding="async" width="457" height="903" src="https://rtkmobile.com/wp-content/uploads/2023/03/RT5_internet-3.png" alt="" class="wp-image-703" style="width:286px;height:566px" srcset="https://rtkmobile.com/wp-content/uploads/2023/03/RT5_internet-3.png 457w, https://rtkmobile.com/wp-content/uploads/2023/03/RT5_internet-3-152x300.png 152w, https://rtkmobile.com/wp-content/uploads/2023/03/RT5_internet-3-38x75.png 38w" sizes="auto, (max-width:767px) 457px, 457px" /></figure>



<p class="wp-block-paragraph">Click on “Network and Internet” settings in that same area.</p>



<p class="wp-block-paragraph">In the Network and Internet settings dialog choose Cellular on the left side.</p>



<figure class="wp-block-image"><img loading="lazy" decoding="async" width="205" height="372" src="https://rtkmobile.com/wp-content/uploads/2023/03/internet_settings_c-2.png" alt="" class="wp-image-589" srcset="https://rtkmobile.com/wp-content/uploads/2023/03/internet_settings_c-2.png 205w, https://rtkmobile.com/wp-content/uploads/2023/03/internet_settings_c-2-165x300.png 165w, https://rtkmobile.com/wp-content/uploads/2023/03/internet_settings_c-2-41x75.png 41w" sizes="auto, (max-width:767px) 205px, 205px" /></figure>



<p class="wp-block-paragraph">In the Cellular dialog, make sure that Roam is marked.</p>



<figure class="wp-block-image size-full"><img loading="lazy" decoding="async" width="800" height="533" src="https://rtkmobile.com/wp-content/uploads/2023/05/Screenshot-RT4-Cellular-Settings-CircledTrouble-1.jpg" alt="" class="wp-image-943" srcset="https://rtkmobile.com/wp-content/uploads/2023/05/Screenshot-RT4-Cellular-Settings-CircledTrouble-1.jpg 800w, https://rtkmobile.com/wp-content/uploads/2023/05/Screenshot-RT4-Cellular-Settings-CircledTrouble-1-300x200.jpg 300w, https://rtkmobile.com/wp-content/uploads/2023/05/Screenshot-RT4-Cellular-Settings-CircledTrouble-1-768x512.jpg 768w, https://rtkmobile.com/wp-content/uploads/2023/05/Screenshot-RT4-Cellular-Settings-CircledTrouble-1-113x75.jpg 113w, https://rtkmobile.com/wp-content/uploads/2023/05/Screenshot-RT4-Cellular-Settings-CircledTrouble-1-480x320.jpg 480w" sizes="auto, (max-width:767px) 480px, (max-width:800px) 100vw, 800px" /></figure>



<h2 class="wp-block-heading">Further Troubleshooting</h2>



<p class="wp-block-paragraph">Now you can use the Sierra Wireless Skylight app to fix the APN settings with the following instructions.</p>



<h3 class="wp-block-heading"><a href="https://rtkmobile.com/connecting-internet-with-skylight-only-rt4/" title="Connect to the Internet with Skylight">Connect to the Internet with Skylight</a></h3><p>The post <a href="https://rtkmobile.com/setup/tablet/carlson-rt3-rt4-tablet/rt4-troubleshooting/">RT4 Troubleshooting Checklist</a> first appeared on <a href="https://rtkmobile.com">RTK Mobile</a>.</p>]]></content:encoded>
					
		
		
			</item>
		<item>
		<title>Carlson RT3 &#124; RT4 Tablet SIM Setup</title>
		<link>https://rtkmobile.com/setup/tablet/carlson-rt3-rt4-tablet/rt4-support/</link>
		
		<dc:creator><![CDATA[Kenneth Trent]]></dc:creator>
		<pubDate>Tue, 27 Dec 2022 03:39:35 +0000</pubDate>
				<category><![CDATA[Carlson RT3 | RT4 Tablet]]></category>
		<guid isPermaLink="false">https://rtkmobile.com/?page_id=185</guid>

					<description><![CDATA[<p>Unless otherwise noted, the RT4 instructions apply to both the RT3 and RT4. Activate SIM Go to our activation page and enter your ICCID or scan the QR code of your SIM Card to make sure your SIM card has been activated. The ICCID is printed on the SIM card<span class="excerpt-hellip"> […]</span></p>
<p>The post <a href="https://rtkmobile.com/setup/tablet/carlson-rt3-rt4-tablet/rt4-support/">Carlson RT3 | RT4 Tablet SIM Setup</a> first appeared on <a href="https://rtkmobile.com">RTK Mobile</a>.</p>]]></description>
										<content:encoded><![CDATA[<div class="wp-block-image">
<figure class="aligncenter size-full is-resized"><img loading="lazy" decoding="async" width="279" height="180" src="https://rtkmobile.com/wp-content/uploads/2022/12/RT4-Tablet.jpg" alt="" class="wp-image-186" style="width:271px;height:175px" srcset="https://rtkmobile.com/wp-content/uploads/2022/12/RT4-Tablet.jpg 279w, https://rtkmobile.com/wp-content/uploads/2022/12/RT4-Tablet-116x75.jpg 116w" sizes="auto, (max-width:767px) 279px, 279px" /></figure>
</div>


<figure class="wp-block-image size-full"><img loading="lazy" decoding="async" width="1000" height="215" src="https://rtkmobile.com/wp-content/uploads/2023/05/Setup-Steps.gif" alt="" class="wp-image-986"/></figure>



<p class="wp-block-paragraph"><em>Unless otherwise noted, the RT4 instructions apply to both the RT3 and RT4.</em></p>



<h2 class="wp-block-heading">Activate SIM</h2>



<figure class="wp-block-image size-full is-resized"><img loading="lazy" decoding="async" width="893" height="478" src="https://rtkmobile.com/wp-content/uploads/2022/12/RTK-Mobile-Green-Sim-Card-Cropped.webp" alt="" class="wp-image-5064" style="width:398px;height:auto" srcset="https://rtkmobile.com/wp-content/uploads/2022/12/RTK-Mobile-Green-Sim-Card-Cropped.webp 893w, https://rtkmobile.com/wp-content/uploads/2022/12/RTK-Mobile-Green-Sim-Card-Cropped-300x161.webp 300w, https://rtkmobile.com/wp-content/uploads/2022/12/RTK-Mobile-Green-Sim-Card-Cropped-768x411.webp 768w, https://rtkmobile.com/wp-content/uploads/2022/12/RTK-Mobile-Green-Sim-Card-Cropped-140x75.webp 140w, https://rtkmobile.com/wp-content/uploads/2022/12/RTK-Mobile-Green-Sim-Card-Cropped-480x257.webp 480w" sizes="auto, (max-width:767px) 480px, (max-width:893px) 100vw, 893px" /></figure>



<p class="wp-block-paragraph">Go to our <a href="https://rtkmobile.com/sim/" title="SIM Card Activation">activation page</a> and enter your ICCID or scan the QR code of your SIM Card to make sure your SIM card has been activated. The ICCID is printed on the SIM card holder QR label and on the SIM itself. If it is not activated,&nbsp;<a href="https://rtkmobile.com/pricing/">buy a data plan</a>&nbsp;to activate the SIM.</p>



<h2 class="wp-block-heading">Check for CELL Support</h2>



<p class="wp-block-paragraph">In the lower right area of the task bar, tap the <em><strong>Internet icon</strong></em> (three types of internet icons are circled in red below) and make sure that <strong><em>Cellular </em></strong>is enabled. If the <strong><em>Cellular </em></strong>icon is not there, then your tablet may not support <em><strong>Cellular </strong></em>or the drivers may need to be installed. Here&#8217;s <a href="https://rtkmobile.com/does-my-tablet-support-cell/" title="how to check">how to check</a> if your tablet supports Cellular. If your RT4 doesn&#8217;t have cell support, you&#8217;ll have to install the SIM card into the rover.</p>


<div class="wp-block-image">
<figure class="aligncenter size-full"><img loading="lazy" decoding="async" width="451" height="237" src="https://rtkmobile.com/wp-content/uploads/2023/03/Cellular-Toggle-1.png" alt="" class="wp-image-606" srcset="https://rtkmobile.com/wp-content/uploads/2023/03/Cellular-Toggle-1.png 451w, https://rtkmobile.com/wp-content/uploads/2023/03/Cellular-Toggle-1-300x158.png 300w, https://rtkmobile.com/wp-content/uploads/2023/03/Cellular-Toggle-1-143x75.png 143w" sizes="auto, (max-width:767px) 451px, 451px" /></figure>
</div>


<h2 class="wp-block-heading">Install SIM</h2>



<ol class="wp-block-list">
<li>Turn off the RT4 by selecting &#8220;<strong><em>Shut down</em></strong>&#8221; from the power icon on the welcome screen or in the Windows menu.</li>



<li>Remove the battery door by sliding the battery lock switch to the unlocked position and pulling on the edge that pops up.</li>



<li>Remove the battery by pulling up on the black tab.</li>



<li><strong><em>If you are replacing a SIM card with a new one, it is best to take out the old SIM and start the RT4 without a SIM card inside before turning it off and putting the new one in.</em></strong></li>



<li>Pull down the rubber flap covering the SIM and Micro SD slots and insert the SIM with the cut corner oriented in the same direction as the Micro SIM drawing in the battery bay.</li>



<li>Push back the rubber flap to protect the SIM, replace the battery and battery door.</li>
</ol>



<div class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex">
<div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow" style="flex-basis:100%">
<figure class="wp-block-embed alignfull is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio"><div class="wp-block-embed__wrapper">
<iframe loading="lazy" title="How to install a SIM card in a Carlson RT3 or RT4 Tablet" width="1220" height="915" src="https://www.youtube.com/embed/nRAlD2OCaOk?feature=oembed" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
</div></figure>
</div>
</div>



<h2 class="wp-block-heading">Configure APN</h2>



<figure class="wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio"><div class="wp-block-embed__wrapper">
<iframe loading="lazy" title="Carlson RT3/RT4 Tablet SIM Setup with Skylight" width="1220" height="915" src="https://www.youtube.com/embed/MTD0AyGHoq0?feature=oembed" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
</div><figcaption class="wp-element-caption">Video to help you set up your activated SIM card on your tablet.</figcaption></figure>



<p class="wp-block-paragraph">In some cases the internet will start working without setting up the APN. This may happen when you connect with a T-Mobile tower, but it is temporary. You will still need to set up the APN on the data collector with the following instructions.</p>



<p class="wp-block-paragraph">In the lower right area of the task bar, tap the <strong><em>Internet icon</em></strong> (three types of internet icons are circled in red below) and make sure that <strong><em>Cellular</em></strong> is enabled:</p>


<div class="wp-block-image">
<figure class="aligncenter size-full is-resized"><img loading="lazy" decoding="async" width="457" height="903" src="https://rtkmobile.com/wp-content/uploads/2023/03/RT5_internet-3.png" alt="" class="wp-image-703" style="width:251px;height:497px" srcset="https://rtkmobile.com/wp-content/uploads/2023/03/RT5_internet-3.png 457w, https://rtkmobile.com/wp-content/uploads/2023/03/RT5_internet-3-152x300.png 152w, https://rtkmobile.com/wp-content/uploads/2023/03/RT5_internet-3-38x75.png 38w" sizes="auto, (max-width:767px) 457px, 457px" /></figure>
</div>


<p class="wp-block-paragraph">Click on <em><strong>Network and Internet settings</strong></em> in that same area. </p>



<p class="wp-block-paragraph">In the <strong><em>Network and Internet settings</em></strong> dialog choose <strong><em>Cellular</em></strong> on the left side:</p>


<div class="wp-block-image wp-duotone-unset-1">
<figure class="aligncenter size-full is-resized"><img loading="lazy" decoding="async" width="205" height="372" src="https://rtkmobile.com/wp-content/uploads/2023/03/internet_settings_c-2.png" alt="" class="wp-image-589" style="width:154px;height:279px" srcset="https://rtkmobile.com/wp-content/uploads/2023/03/internet_settings_c-2.png 205w, https://rtkmobile.com/wp-content/uploads/2023/03/internet_settings_c-2-165x300.png 165w, https://rtkmobile.com/wp-content/uploads/2023/03/internet_settings_c-2-41x75.png 41w" sizes="auto, (max-width:767px) 205px, 205px" /></figure>
</div>


<p class="wp-block-paragraph">In the <strong><em>Cellular</em></strong> dialog, make sure that <strong><em>Roam </em></strong>is checked.</p>


<div class="wp-block-image">
<figure class="aligncenter size-large is-resized"><img loading="lazy" decoding="async" width="661" height="1024" src="https://rtkmobile.com/wp-content/uploads/2023/09/RT4-Cellular-Settings-Circled-661x1024.png" alt="" class="wp-image-1245" style="width:446px;height:691px" srcset="https://rtkmobile.com/wp-content/uploads/2023/09/RT4-Cellular-Settings-Circled-661x1024.png 661w, https://rtkmobile.com/wp-content/uploads/2023/09/RT4-Cellular-Settings-Circled-194x300.png 194w, https://rtkmobile.com/wp-content/uploads/2023/09/RT4-Cellular-Settings-Circled-768x1189.png 768w, https://rtkmobile.com/wp-content/uploads/2023/09/RT4-Cellular-Settings-Circled-48x75.png 48w, https://rtkmobile.com/wp-content/uploads/2023/09/RT4-Cellular-Settings-Circled-480x743.png 480w, https://rtkmobile.com/wp-content/uploads/2023/09/RT4-Cellular-Settings-Circled.png 800w" sizes="auto, (max-width:767px) 480px, 661px" /></figure>
</div>


<h2 class="wp-block-heading">Downloading and Installing Skylight</h2>



<p class="wp-block-paragraph"><a href="https://harvestmaster.com/data/support/mesa/sierra-skylight-4814.exe" title="">Download Skylight</a> on your RT3/RT4 by using WIFI or you can also save it to a thumb drive and copy it to your tablet. <em>Do not download Skylight from the Microsoft app store. The Skylight version 4814 is specific for this modem and you may have problems seeing profiles with other versions.</em></p>



<p class="wp-block-paragraph">Install Skylight with default options on the tablet.</p>



<h2 class="wp-block-heading">Using Skylight to connect to flolive.net</h2>



<p class="wp-block-paragraph">Find the Skylight icon on the Desktop and double click it.</p>



<figure class="wp-block-image"><img loading="lazy" decoding="async" width="80" height="92" src="https://rtkmobile.com/wp-content/uploads/2023/08/scylighticon-1.png" alt="" class="wp-image-1177" srcset="https://rtkmobile.com/wp-content/uploads/2023/08/scylighticon-1.png 80w, https://rtkmobile.com/wp-content/uploads/2023/08/scylighticon-1-65x75.png 65w" sizes="auto, (max-width:767px) 80px, 80px" /></figure>



<p class="wp-block-paragraph">It should look similar to this:</p>



<figure class="wp-block-image"><img loading="lazy" decoding="async" width="390" height="382" src="https://rtkmobile.com/wp-content/uploads/2023/08/skyligntgreybutton.png" alt="" class="wp-image-1178" srcset="https://rtkmobile.com/wp-content/uploads/2023/08/skyligntgreybutton.png 390w, https://rtkmobile.com/wp-content/uploads/2023/08/skyligntgreybutton-300x294.png 300w, https://rtkmobile.com/wp-content/uploads/2023/08/skyligntgreybutton-77x75.png 77w" sizes="auto, (max-width:767px) 390px, 390px" /></figure>



<h3 class="wp-block-heading">Cleaning Up</h3>



<p class="wp-block-paragraph">Click on the wrench icon to get to the profiles.</p>



<figure class="wp-block-image"><img loading="lazy" decoding="async" width="390" height="382" src="https://rtkmobile.com/wp-content/uploads/2023/08/Wrench-1.png" alt="" class="wp-image-1180" srcset="https://rtkmobile.com/wp-content/uploads/2023/08/Wrench-1.png 390w, https://rtkmobile.com/wp-content/uploads/2023/08/Wrench-1-300x294.png 300w, https://rtkmobile.com/wp-content/uploads/2023/08/Wrench-1-77x75.png 77w" sizes="auto, (max-width:767px) 390px, 390px" /></figure>



<p class="wp-block-paragraph">Now click on profiles and then click on the Default profile. You may need to maximize the window and slide the dividing bar to the right to see the entire name of the profiles. Change the APN to flolive.net (make sure it is spelled correctly, all lower case and no spaces before or after). Just as you see in the picture below, delete any username and password, PDP type should be IPv4 or Default, and Authentication is set to None. Once that is done, click on Apply.</p>



<figure class="wp-block-image"><img loading="lazy" decoding="async" width="822" height="344" src="https://rtkmobile.com/wp-content/uploads/2023/08/editdefaultcrop-1.png" alt="" class="wp-image-1182" srcset="https://rtkmobile.com/wp-content/uploads/2023/08/editdefaultcrop-1.png 822w, https://rtkmobile.com/wp-content/uploads/2023/08/editdefaultcrop-1-300x126.png 300w, https://rtkmobile.com/wp-content/uploads/2023/08/editdefaultcrop-1-768x321.png 768w, https://rtkmobile.com/wp-content/uploads/2023/08/editdefaultcrop-1-150x63.png 150w, https://rtkmobile.com/wp-content/uploads/2023/08/editdefaultcrop-1-480x201.png 480w" sizes="auto, (max-width:767px) 480px, (max-width:822px) 100vw, 822px" /></figure>



<p class="wp-block-paragraph">You can edit all other profiles. If there a lot of profiles, you can delete some that start with { instead of editing them with the black X at the bottom. If you can’t edit or delete profiles, that usually means that you are already connected. Click on OK to confirm changes and exit User Options and go back to the main Skylight App. Windows might repopulate the one with “ProvisionedContextInternetProfile” as part of the name. This is normal as long as the APN is set up just like the Default profile we edited.</p>



<figure class="wp-block-image"><img loading="lazy" decoding="async" width="390" height="382" src="https://rtkmobile.com/wp-content/uploads/2023/08/Connect.png" alt="" class="wp-image-1183" srcset="https://rtkmobile.com/wp-content/uploads/2023/08/Connect.png 390w, https://rtkmobile.com/wp-content/uploads/2023/08/Connect-300x294.png 300w, https://rtkmobile.com/wp-content/uploads/2023/08/Connect-77x75.png 77w" sizes="auto, (max-width:767px) 390px, 390px" /></figure>



<h3 class="wp-block-heading">Connecting to the Internet</h3>



<p class="wp-block-paragraph">It might take a minute or two, but it should show this screen. If it doesn’t give the option to connect, try using the drop down below the connect button to connect to a different profile. Some tablets will require turning cellular off and on again or a reboot and then checking the profiles again. There should only be profiles with APN flolive.net with the other settings as above. After it connects, the connect button will change to a Disconnect button.</p>



<figure class="wp-block-image"><img loading="lazy" decoding="async" width="390" height="382" src="https://rtkmobile.com/wp-content/uploads/2023/08/connected.png" alt="" class="wp-image-1184" srcset="https://rtkmobile.com/wp-content/uploads/2023/08/connected.png 390w, https://rtkmobile.com/wp-content/uploads/2023/08/connected-300x294.png 300w, https://rtkmobile.com/wp-content/uploads/2023/08/connected-77x75.png 77w" sizes="auto, (max-width:767px) 390px, 390px" /></figure>



<p class="wp-block-paragraph">You can now close Skylight and check the system tray internet button to check on the status.</p>



<figure class="wp-block-image"><img loading="lazy" decoding="async" width="451" height="779" src="https://rtkmobile.com/wp-content/uploads/2023/08/internetcropped.png" alt="" class="wp-image-1186" srcset="https://rtkmobile.com/wp-content/uploads/2023/08/internetcropped.png 451w, https://rtkmobile.com/wp-content/uploads/2023/08/internetcropped-174x300.png 174w, https://rtkmobile.com/wp-content/uploads/2023/08/internetcropped-43x75.png 43w" sizes="auto, (max-width:767px) 451px, 451px" /></figure>



<h2 class="wp-block-heading"><strong>Additional Tips</strong></h2>



<p class="wp-block-paragraph">Make sure the <strong><em>Cellular button</em></strong> is on as shown above and wait two minutes to allow time for the first connection until you see &#8220;<strong><em>Connected, roaming</em></strong>&#8220;.  Roaming is normal and our SIM card will only work if roaming is on. If Cellular status is still &#8220;<strong><em>No Service</em></strong>&#8221; tap the <strong><em>Cellular button</em></strong> to turn it off and again to turn it back on. You can also try restarting the tablet. If that doesn&#8217;t work or you have issues that are not related to the APN profiles, follow the <a href="https://rtkmobile.com/rt4-troubleshooting/" title="">RT4 Troubleshooting</a> instructions.</p>



<p class="wp-block-paragraph">Now you can configure <strong><em>Carlson SurvPC </em></strong>or <strong><em>Carlson Layout</em></strong> to send RTK corrections to your GNSS receiver:</p>



<p class="wp-block-paragraph"><a href="https://rtkmobile.com/support/tablet-support/support-survpc-sim-in-tablet/" title="Configure SurvCE/PC for SIM in Tablet">Configure SurvPC for SIM in Tablet</a><br><a href="https://rtkmobile.com/support/tablet-support/support-layout-tablet/" title="Configure Carlson Layout for SIM in tablet">Configure Carlson Layout for SIM in Tablet</a></p><p>The post <a href="https://rtkmobile.com/setup/tablet/carlson-rt3-rt4-tablet/rt4-support/">Carlson RT3 | RT4 Tablet SIM Setup</a> first appeared on <a href="https://rtkmobile.com">RTK Mobile</a>.</p>]]></content:encoded>
					
		
		
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