{"id":27406,"date":"2019-11-27T18:07:46","date_gmt":"2019-11-27T10:07:46","guid":{"rendered":"\/blog\/?p=27406"},"modified":"2019-11-28T09:30:52","modified_gmt":"2019-11-28T01:30:52","slug":"build-faster-iot-applications-with-this-lte-cat-1-raspberry-pi-hat","status":"publish","type":"post","link":"https:\/\/www.seeedstudio.com\/blog\/2019\/11\/27\/build-faster-iot-applications-with-this-lte-cat-1-raspberry-pi-hat\/","title":{"rendered":"LTE Cat 1 Raspberry Pi Hat: Build faster IoT applications"},"content":{"rendered":"\n<p style=\"color:#000000\" class=\"has-text-color\">Need a Cellular Raspberry Pi Hat that allows for faster building of IoT applications? The LTE Cat 1 Pi Hat is exactly the thing for you! <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/media-cdn.seeedstudio.com\/media\/catalog\/product\/cache\/ab187aaa5f626ad16c8031644cd2de5b\/h\/t\/httpsstatics3.seeedstudio.comseeedfile2018-06bazaar837677_img_0029a.jpg\" alt=\"\" width=\"350\" height=\"263\"\/><figcaption><strong><a href=\"https:\/\/www.seeedstudio.com\/LTE-Cat-1-Pi-HAT-USA-AT--p-3056.html?utm_source=blog&amp;utm_medium=blog\">LTE Cat 1 Pi Hat<\/a><\/strong><\/figcaption><\/figure><\/div>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color\"><strong>Did you say Raspberry Pi and Cat 1 functioning as a combo?<\/strong><\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color\">Yes, it&#8217;s as good as it sounds! This Raspberry Pi Hat incorporates LTE Cat 1 category that&#8217;s based on the u-blox LARA-R2xx series. It includes UART and USB interfaces for easy communication with your Raspberry Pi as well. <\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Diving further into the <a href=\"https:\/\/www.seeedstudio.com\/LTE-Cat-1-Pi-HAT-USA-AT--p-3056.html?utm_source=blog&amp;utm_medium=blog\">LTE Cat 1 Pi Hat<\/a><\/strong><\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2018\/08\/%E5%B1%8F%E5%B9%95%E5%BF%AB%E7%85%A7-2018-08-22-%E4%B8%8A%E5%8D%8810.00.09.png\" alt=\"\" width=\"259\" height=\"344\"\/><\/figure><\/div>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color\">To further understand what the Seeed&#8217;s LTE cat.1 Pi HAT offers, we&#8217;ll take a deeper look into its key features and applications.<\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color\">It is an open-source cellular extension modem for your Raspberry Pi, based on u-blox LARA-R2xx series. Designed for LTE Cat 1 networks with 2G fallback (EU version only)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Key Features:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Compatible with Raspberry Pi 1 Model B+ and later versions<\/li><li>LTE CAT.1 and support 2G fullback (EU only)<\/li><li>UART and USB interface for communication<\/li><li>Support Grove I2C and Digital Connector<\/li><li>Protocols on cellular module<\/li><li>Embed TCP\/UDP stack<\/li><li>Embed HTTP, FTP, SSL<\/li><li>Dual Stack IPV4\/IPV6<\/li><li>3GPP TS 27.007 [8], TS 27.005 [9] standard AT command<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Its features make it a solid pickup choice, here&#8217;s why:<\/strong><\/h3>\n\n\n\n<p style=\"background-color:#f4ffd7;color:#000000\" class=\"has-text-color has-background\"><strong>Ease of pairing with Raspberry Pi <\/strong><\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color\">The support for UART and USB interfaces allow for ease of communication with the Raspberry Pi. <\/p>\n\n\n\n<p style=\"background-color:#f4ffd7;color:#000000\" class=\"has-text-color has-background\"><strong>Quick and easy to start prototyping<\/strong><\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color\">Through UART, not only is it easy to pair but with AT command, the LTE Cat.1 Pi Hat does so without any special driver! <\/p>\n\n\n\n<p style=\"background-color:#f4ffd7;color:#000000\" class=\"has-text-color has-background\"><strong>Wider and Quicker IoT applications <\/strong><\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color\">LTE Cat 1 allows for speeds of 10Mb\/s downlink and  5Mb\/s uplink, opening up possibilities of running a wider range of feature-rich M2M and IoT applications, including those that require video streaming and voice support.<\/p>\n\n\n\n<p style=\"background-color:#f4ffd7;color:#000000\" class=\"has-text-color has-background\"><strong>Cost-effective<\/strong><\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color\">The usage of LTE Cat 1 instead of Cat 4 or greater allows for lower power consumption and complexity, allowing it to be cost-effective!<\/p>\n\n\n\n<p style=\"background-color:#f4ffd7;color:#000000\" class=\"has-text-color has-background\"><strong>Compatible with many Raspberry Pi Models<\/strong><\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color\">Compatible with Raspberry Pi 1 Model B+ onwards, you no longer have to worry about buying a HAT that isn&#8217;t suitable with your Raspberry Pi version!<\/p>\n\n\n\n<p style=\"background-color:#f4ffd7;color:#000000\" class=\"has-text-color has-background\"><strong>Grove Compatible<\/strong><\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color\">Been using jumper wires alongside your raspberry pi? You would no longer need to with LTE CAT 1 Pi HAT!<\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color\">The support for Grove I2C allows for plug-n-play using grove cables instead of messy and complicated jumper wires!<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Find out more about the <a href=\"http:\/\/wiki.seeedstudio.com\/Grove_System\/\">grove system<\/a> and its <a href=\"https:\/\/www.seeedstudio.com\/Grove-Universal-4-Pin-20cm-Unbuckled-Cable-5-PCs-Pack-p-749.html?utm_source=blog&amp;utm_medium=blog\">cables <\/a><\/li><\/ul>\n\n\n\n<p style=\"background-color:#f4ffd7;color:#000000\" class=\"has-text-color has-background\"><strong>Wide range of applications<\/strong><\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color\">LTE Cat 1 can be applied in many scenarios, with its  key applications being:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/www.u-blox.com\/sites\/default\/files\/styles\/full_width\/public\/image003_2.png?itok=MezvQxSK\" alt=\"\" width=\"366\" height=\"239\"\/><figcaption><a href=\"https:\/\/www.u-blox.com\/en\/lte-cat-1\">ref<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color\">There are many other possible applications you can try out as well:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>IoT gateway<\/li><li>Data logger<\/li><li>Vending machine<\/li><li>POS<\/li><li>Smart home devices<\/li><li>Robot <\/li><li>Advertising<\/li><li>Other scenarios that require cellular networks<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Sounds too good to be true? Here&#8217;s what goes into the LTE Cat 1 Pi HAT&nbsp;that&nbsp;makes&nbsp;it&nbsp;possible<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-gallery columns-2 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"707\" height=\"549\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2019\/11\/LTE-Cat-1-Pi-hat-1.png\" alt=\"\" data-id=\"27415\" data-link=\"\/blog\/?attachment_id=27415\" class=\"wp-image-27415\" srcset=\"https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/11\/LTE-Cat-1-Pi-hat-1.png 707w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/11\/LTE-Cat-1-Pi-hat-1-300x233.png 300w\" sizes=\"(max-width: 707px) 100vw, 707px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"613\" height=\"428\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2019\/11\/lte-cat-1-pi-hat-2.png\" alt=\"\" data-id=\"27416\" data-link=\"\/blog\/?attachment_id=27416\" class=\"wp-image-27416\" srcset=\"https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/11\/lte-cat-1-pi-hat-2.png 613w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/11\/lte-cat-1-pi-hat-2-300x209.png 300w\" sizes=\"(max-width: 613px) 100vw, 613px\" \/><\/figure><\/li><\/ul>\n\n\n\n<table>\n  <tr>\n    <th>Interfaces<\/th>\n    <th>Usage purposes<\/th>\n  <\/tr>\n  <tr>\n    <td>LTE CAT.1<\/td>\n    <td>U-blox Lara-R2xx series LTE CAT.1 module<\/td>\n  <\/tr>\n  <tr>\n    <td>Grove Port<\/td>\n    <td>2 Grove I2C\/Digital Port, connected to SDA_RPI, SCL_RPI, it can be used as I2C or GPIO port<\/td>\n  <\/tr>\n  <tr>\n    <td>Switcher<\/td>\n    <td>Control Grove port voltage as 5V or 3.3V<\/td>\n  <\/tr>\n  <tr>\n    <td>USB Interface<\/td>\n    <td>Can be used to power up the LTE Cat.1 and raspberry together<br>The debug port can be used as well<\/td>\n  <\/tr>\n  <tr>\n    <td>Battery Holder<\/td>\n    <td>MP2617 is used for batter power management <br>If the battery is not connected, the CHG led will flash by 6HZ frequency<br>It wil be off when under charging and on when finish charging. The connecter is JST2.0 standard<\/td>\n  <\/tr>\n  <tr>\n    <td>Lara-R2XX Reset Button<\/td>\n    <td>Resets Lara-R2xx module<\/td>\n  <\/tr>\n  <tr>\n    <td>Lara-R2XX Power on button<\/td>\n    <td>Press 2 seconds to power on the Lara-R2xx module<\/td>\n  <\/tr>\n  <tr>\n    <td>Antenna<\/td>\n    <td>It includes 2 antennas, one is main and other is div.<br>The main antenna is used for both sending and receiving signals. It must be connected. <br>The div antenna is optional, only used for receiving purposes and to improve receiver sensitivity<\/td>\n  <\/tr>\n  <tr>\n    <td>RPI 40 Pins<\/td>\n    <td>Refer to pinout<\/td>\n  <\/tr>\n  <tr>\n    <td>SIM card slot <\/td>\n    <td>Follow silk screen direction to plug LTE SIM card<\/td>\n  <\/tr>\n<\/table>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Quick Notes before buying an LTE Hat<\/strong><\/h3>\n\n\n\n<p>Before touching on how you can get started with the LTE CAT 1 Pi HAT,  do check which network provider, region, etc. you&#8217;re on.<\/p>\n\n\n\n<p>To ensure most gets to try the LTE CAT 1 Pi Hat, we carry three versions here at Seeed, each supporting different networks. <\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.seeedstudio.com\/LTE-Cat-1-Pi-HAT-Europ-p-3060.html?utm_source=blog&amp;utm_medium=blog\">Europe version (2G\/4G)<\/a><\/li><li><a href=\"https:\/\/www.seeedstudio.com\/LTE-Cat-1-Pi-HAT-USA-AT--p-3056.html?utm_source=blog&amp;utm_medium=blog\">USA AT&amp;T version (4G)<\/a><\/li><li><a href=\"https:\/\/www.seeedstudio.com\/LTE-Cat-1-Pi-HAT-%28USA-VZW%29-p-3061.html?utm_source=blog&amp;utm_medium=blog\">USA VZW version (4G)<\/a><\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Getting Started with the LTE Cat 1 Pi Hat<\/strong><\/h2>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color\">Once you&#8217;ve figured out which the version and you like what you&#8217;ve seen so far, here&#8217;s how you can get started with the LTE Cat 1 HAT:<\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color has-background has-very-light-gray-background-color\">NOTE: This demo uses the Raspberry Pi 3 with 2018-04-18 Raspbian Stretch With Desktop though the LTE Cat 1 HAT is still compatible with the latest Pi 4<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Hardware setup:<\/strong><\/h4>\n\n\n\n<p><strong>Step 1: <\/strong>Stack LTE Cat 1 Pi HAT on top of the Raspberry and connect the 2 antennas (included)<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/github.com\/SeeedDocument\/LTE_Cat_1_Pi_HAT\/raw\/master\/Img\/Rasp_Pi_HAT.jpg\" alt=\"\" width=\"270\" height=\"263\"\/><\/figure><\/div>\n\n\n\n<p><strong>Step 2:<\/strong> Connect the mouse, keyboard, and monitor as well<\/p>\n\n\n\n<p><strong>Step 3:<\/strong> Power the Raspberry Pi <\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Software Configurations:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\"><li>Step 1: Use dtoverlay=pi3=disable-bt to enable Raspberry Pi3\/Pi4 UART0<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo nano \/boot\/config.txt<\/code><\/pre>\n\n\n\n<p>Then add  <br><code>dtoverlay=pi3-disable-bt<\/code>&nbsp;and&nbsp;<code>enable_uart=1<\/code>&nbsp;to bottom of the config.txt. it should look like this. <\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>[all]\n#dtoverlay=vc4-fkms-v3d\ndtoverlay=pi3-disable-bt\nenable_uart=1<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>Step 2: Disable the system service to use the UART0<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo systemctl disable hciuart <\/code><\/pre>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color has-background has-very-light-gray-background-color\">Note: Pi3-disable-bt disables the Bluetooth device and restores UART0\/ttyAMA0 to GPIOs 14 and 15. It&#8217;s also necessary to disable the system service that initialises the modem so it doesn&#8217;t use the UART: sudo systemctl disable hciuart<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Step 3: Delete the console=serial0, 115200 in cmdline.txt.<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo nano \/boot\/cmdline.txt<\/code><\/pre>\n\n\n\n<p>Then delete console=serial0, 115200 from the string.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Step 4: Reboot the Raspberry Pi<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo reboot<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>Step 5: Run below commands to run the demo<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>cd ~\ngit clone https:\/\/github.com\/Seeed-Studio\/ublox_lara_r2_pi_hat.git\ncd ublox_lara_r2_pi_hat\nsudo python setup.py install\ncd test\nsudo python test01.py<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>Step 6: Output from the terminal is shown below<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>pi@raspberrypi:~\/Desktop\/ublox_lara_r2_pi_hat\/examples $ sudo python test01.py\n40-pin GPIO header detected\nEnabling CTS0 and RTS0 on GPIOs 16 and 17\nrts cts on\nwaking up...\nmodule name:  LARA-R211\nRSSI:  3<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Project&nbsp;ideas:<\/strong><\/h2>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color\">Wonder what you can build with the LTE Cat 1 Pi HAT? Here&#8217;s a simple project idea you can consider!<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Face Recognition Smart Lock <\/strong><\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hackster.imgix.net\/uploads\/attachments\/756446\/tim20190211162451_CemkwB0Kcm.jpg?auto=compress%2Cformat&amp;w=900&amp;h=675&amp;fit=min\" alt=\"\" width=\"324\" height=\"243\"\/><\/figure><\/div>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color\">With face recognition being such a widely adopted smart lock system, this project is a good way to build yourself one!<\/p>\n\n\n\n<p><strong>Hardware components needed:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Raspberry Pi 3 Model B<\/li><li>Raspberry Pi Camera Module <\/li><li><a href=\"https:\/\/www.seeedstudio.com\/Grove-Relay.html?utm_source=blog&amp;utm_medium=blog\">Seeed Grove &#8211; Relay<\/a><\/li><li><a href=\"https:\/\/www.seeedstudio.com\/LTE-Cat-1-Pi-HAT-Europ-p-3060.html?utm_source=blog&amp;utm_medium=blog\">Seeed LTE Cat 1 Pi HAT <\/a><\/li><li><a href=\"https:\/\/www.seeedstudio.com\/10-1-inch-1200-1980-HDMI-IPS-LCD-Display-p-2863.html?utm_source=blog&amp;utm_medium=blog\">Seeed 10.1 inch 1200&#215;1980 HDMI IPS LCD Display<\/a><\/li><\/ul>\n\n\n\n<p><strong>Software apps and online services:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/winscp.net\/eng\/index.php\">WinSCP<\/a><\/li><li><a href=\"https:\/\/notepad-plus-plus.org\/\">Notepadd++<\/a><\/li><\/ul>\n\n\n\n<p><strong>Interested? You can check out the<\/strong><a href=\"https:\/\/project.seeedstudio.com\/SeeedStudio\/face-recognization-smart-lock-with-lte-pi-hat-abcec9\"><strong> full tutorial on Seeed Project Hub!<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Resources and Going Further<\/strong><\/h2>\n\n\n\n<p>Here are the relevant resources:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>[PDF]<\/strong>&nbsp;<a href=\"https:\/\/github.com\/SeeedDocument\/LTE_Cat_1_Pi_HAT\/raw\/master\/res\/LTE%20CAT.1%20Pi%20HAT%20v1.0.pdf\">LTE Cat.1 Pi HAT Schematic<\/a><\/li><li><strong>[PDF]<\/strong>&nbsp;<a href=\"https:\/\/github.com\/SeeedDocument\/LTE_Cat_1_Pi_HAT\/raw\/master\/res\/u-blox-CEL_ATCommands_(UBX-13002752).pdf\">u-blox-CEL_ATCommands<\/a><\/li><li><strong>[PDF]<\/strong>&nbsp;<a href=\"https:\/\/github.com\/SeeedDocument\/LTE_Cat_1_Pi_HAT\/raw\/master\/res\/LARA-R2_DataSheet_(UBX-16005783).pdf\">LARA-R2_DataSheet<\/a><\/li><li><strong>[PDF]<\/strong>&nbsp;<a href=\"https:\/\/github.com\/SeeedDocument\/LTE_Cat_1_Pi_HAT\/raw\/master\/res\/LARA-R2_SysIntegrManual_(UBX-16010573).pdf\">LARA-R2_SysIntegrManual<\/a><\/li><li><strong>[PDF]<\/strong>&nbsp;<a href=\"https:\/\/github.com\/SeeedDocument\/LTE_Cat_1_Pi_HAT\/raw\/master\/res\/AT-CommandsExamples_AppNote_(UBX-13001820).pdf\">AT-Commands Examples AppNote<\/a><\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Summary<\/strong><\/h2>\n\n\n\n<p>Overall, the LTE CAT 1 Pi HAT is an excellent choice to further your IoT experience on the Raspberry Pi. It enables you to do way more than what it seems. Pick <a href=\"https:\/\/www.seeedstudio.com\/LTE-Cat-1-Pi-HAT-USA-AT--p-3056.html\">one <\/a>up today!<\/p>\n\n\n\n<p>For more technical information, please check out our&nbsp;<a href=\"http:\/\/wiki.seeedstudio.com\/LTE_Cat_1_Pi_HAT\/\"><strong>Wiki<\/strong><\/a>. This board is also able to be customized, feel free to contact us at&nbsp;<strong>iot@seeed.cc<\/strong>&nbsp;for any inquiries. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Need a Cellular Raspberry Pi Hat that allows for faster building of IoT applications? 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