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	<title>Carlson 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>Fri, 09 Jan 2026 21:24:05 +0000</lastBuildDate>
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	<title>Carlson RT4+ Tablet - RTK Mobile</title>
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	<item>
		<title>Carlson RT4+ &#124; RT5+ Tablet SIM Setup</title>
		<link>https://rtkmobile.com/setup/tablet/carlson-rt4-tablet/rt4-tablet-sim-setup/</link>
		
		<dc:creator><![CDATA[Jared Trent]]></dc:creator>
		<pubDate>Fri, 30 Aug 2024 22:01:49 +0000</pubDate>
				<category><![CDATA[Carlson RT4+ Tablet]]></category>
		<guid isPermaLink="false">https://rtkmobile.com/?p=3724</guid>

					<description><![CDATA[<p>This instruction is specifically for the Carlson RT4+ and RT5+ (not the RT4 or RT5) Activate SIM Go to our&#160;activation page&#160;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-rt4-tablet/rt4-tablet-sim-setup/">Carlson RT4+ | RT5+ Tablet SIM Setup</a> first appeared on <a href="https://rtkmobile.com">RTK Mobile</a>.</p>]]></description>
										<content:encoded><![CDATA[<figure class="wp-block-image size-full"><img fetchpriority="high" decoding="async" width="412" height="268" src="https://rtkmobile.com/wp-content/uploads/2024/08/RT4Plus.png" alt="" class="wp-image-4825" srcset="https://rtkmobile.com/wp-content/uploads/2024/08/RT4Plus.png 412w, https://rtkmobile.com/wp-content/uploads/2024/08/RT4Plus-300x195.png 300w, https://rtkmobile.com/wp-content/uploads/2024/08/RT4Plus-115x75.png 115w" sizes="(max-width:767px) 412px, 412px" /></figure>



<figure class="wp-block-image"><img 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><em>This instruction is specifically for the  Carlson RT4+ and RT5+ (not the <a href="/setup/tablet/carlson-rt5-rtk5/rt5-support/" title="">RT4 or RT5</a>)</em></p>



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



<figure class="wp-block-image size-full is-resized"><img 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:405px;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="(max-width:767px) 480px, (max-width:893px) 100vw, 893px" /></figure>



<p>Go to our&nbsp;<a href="https://rtkmobile.com/sim/">activation page</a>&nbsp;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">Install SIM</h2>



<ol class="wp-block-list">
<li>Turn off the RT4+ or RTK5+ by selecting “<strong><em>Shut down</em></strong>” 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>Insert the SIM with the cut corner oriented in the same direction as the Nano SIM drawing in the battery bay you should hear or feel it click.</li>



<li>Replace the battery and battery door.</li>
</ol>



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



<p>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>



<figure class="wp-block-image size-full"><img loading="lazy" decoding="async" width="52" height="155" src="https://rtkmobile.com/wp-content/uploads/2024/08/Symbols.jpg" alt="" class="wp-image-3731" srcset="https://rtkmobile.com/wp-content/uploads/2024/08/Symbols.jpg 52w, https://rtkmobile.com/wp-content/uploads/2024/08/Symbols-25x75.jpg 25w" sizes="auto, (max-width:767px) 52px, 52px" /></figure>



<p>In the lower right area of the task bar, tap the&nbsp;<strong><em>internet icon</em></strong>&nbsp;(three types of internet icons are circled in red below) and make sure that&nbsp;<strong>Cellular</strong>&nbsp;is enabled. Then click on gear icon to go to settings and choose Network and internet. Choose Cellular on the right and then make sure that Roaming is enabled, Use cellular whenever Wi-Fi is poor is on. Then click on Mobile operator settings.</p>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="1024" height="487" src="https://rtkmobile.com/wp-content/uploads/2024/08/RT4settingsf-1024x487.jpg" alt="" class="wp-image-3729" srcset="https://rtkmobile.com/wp-content/uploads/2024/08/RT4settingsf-1024x487.jpg 1024w, https://rtkmobile.com/wp-content/uploads/2024/08/RT4settingsf-300x143.jpg 300w, https://rtkmobile.com/wp-content/uploads/2024/08/RT4settingsf-768x365.jpg 768w, https://rtkmobile.com/wp-content/uploads/2024/08/RT4settingsf-150x71.jpg 150w, https://rtkmobile.com/wp-content/uploads/2024/08/RT4settingsf-480x228.jpg 480w, https://rtkmobile.com/wp-content/uploads/2024/08/RT4settingsf.jpg 1269w" sizes="auto, (max-width:767px) 480px, (max-width:1024px) 100vw, 1024px" /></figure>



<p>In&nbsp;<em><strong>Advanced options</strong></em>, click on “<strong><em>Add an APN</em></strong>“.</p>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="1024" height="594" src="https://rtkmobile.com/wp-content/uploads/2024/08/OperatorSettings-1024x594.jpg" alt="" class="wp-image-3730" srcset="https://rtkmobile.com/wp-content/uploads/2024/08/OperatorSettings-1024x594.jpg 1024w, https://rtkmobile.com/wp-content/uploads/2024/08/OperatorSettings-300x174.jpg 300w, https://rtkmobile.com/wp-content/uploads/2024/08/OperatorSettings-768x446.jpg 768w, https://rtkmobile.com/wp-content/uploads/2024/08/OperatorSettings-129x75.jpg 129w, https://rtkmobile.com/wp-content/uploads/2024/08/OperatorSettings-480x279.jpg 480w, https://rtkmobile.com/wp-content/uploads/2024/08/OperatorSettings.jpg 1268w" sizes="auto, (max-width:767px) 480px, (max-width:1024px) 100vw, 1024px" /></figure>



<p>Type in&nbsp;<strong>RTK Mobile</strong>&nbsp;for the&nbsp;<strong><em>Profile name</em></strong>.</p>



<p>Type in&nbsp;<strong>flolive.net</strong>&nbsp;for the&nbsp;<strong><em>APN name</em></strong>. (double check the spelling)</p>



<p>Set&nbsp;<strong><em>APN type</em></strong>&nbsp;to “<strong><em>Internet and attach</em></strong>”.</p>



<p>“<strong><em>Apply this profile</em></strong>” should be&nbsp;<em><strong>checked</strong></em>.</p>



<p>Everything else should be blank or marked as&nbsp;<strong><em>None</em></strong>&nbsp;or&nbsp;<strong><em>Default</em></strong>&nbsp;as shown below.</p>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="478" height="1024" src="https://rtkmobile.com/wp-content/uploads/2024/08/EditAPNf-478x1024.jpg" alt="" class="wp-image-3727" srcset="https://rtkmobile.com/wp-content/uploads/2024/08/EditAPNf-478x1024.jpg 478w, https://rtkmobile.com/wp-content/uploads/2024/08/EditAPNf-140x300.jpg 140w, https://rtkmobile.com/wp-content/uploads/2024/08/EditAPNf-35x75.jpg 35w, https://rtkmobile.com/wp-content/uploads/2024/08/EditAPNf-448x960.jpg 448w, https://rtkmobile.com/wp-content/uploads/2024/08/EditAPNf.jpg 482w" sizes="auto, (max-width:767px) 478px, 478px" /></figure>



<p>Click Save. Click on the&nbsp;<strong><em>back</em></strong>&nbsp;arrow at upper left to exit.</p>



<p>You should see the&nbsp;<em><strong>Cellular icon</strong></em>&nbsp;in the task bar. Tap the icon to see the Cellular status. It may take a few seconds to get connected.</p>



<p>Make sure the&nbsp;<strong><em>Cellular</em></strong>&nbsp;button is&nbsp;<em><strong>on</strong></em>&nbsp;and wait two minutes to allow time for the first connection until you see “<strong><em>Connected, roaming</em></strong>“. Roaming is normal and you will not be charged extra for roaming. If Cellular status is still “<strong><em>No Service</em></strong>” tap the<strong><em>&nbsp;Cellular</em></strong>&nbsp;button to turn it off and again to turn it back on. Also try restarting the tablet. If still not working, double check if you have a plan assigned to the SIM card. If it says, &#8220;insert SIM&#8221; try ejecting the SIM card and re-inserting.</p>



<p>You can also download drivers <a href="https://source.sierrawireless.com/resources/airprime/software/em7590/em7590-windows-drivers/" target="_blank" rel="noopener" title="">Here</a>.</p>



<p>Now you can configure Carlson SurvPC or Carlson Layout to send RTK corrections to your GNSS receiver.</p>



<p><a href="https://rtkmobile.com/support/tablet-support/support-survpc-sim-in-tablet/">Configure SurvPC for SIM in Tablet</a><br><a href="https://rtkmobile.com/support/tablet-support/support-layout-tablet/">Configure Carlson Layout for SIM in Tablet</a></p><p>The post <a href="https://rtkmobile.com/setup/tablet/carlson-rt4-tablet/rt4-tablet-sim-setup/">Carlson RT4+ | RT5+ Tablet SIM Setup</a> first appeared on <a href="https://rtkmobile.com">RTK Mobile</a>.</p>]]></content:encoded>
					
		
		
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