{"id":16094,"date":"2022-12-16T12:26:11","date_gmt":"2022-12-16T10:26:11","guid":{"rendered":"https:\/\/elainnovation.com\/?p=16094"},"modified":"2025-12-15T17:26:22","modified_gmt":"2025-12-15T15:26:22","slug":"iot-ble-gateway","status":"publish","type":"post","link":"https:\/\/elainnovation.com\/en\/iot-ble-gateway\/","title":{"rendered":"What is a BLE gateway?"},"content":{"rendered":"\n<p>The <strong>BLE Gateway<\/strong> is an essential element in the structure of an <strong>IoT solution<\/strong>, but do you really know what it is used for? And how does it work?<\/p>\n\n\n\n<p>Whether in our daily lives or in much more industrial fields, <strong>Bluetooth wireless communication<\/strong> technology is omnipresent. Indeed, this open protocol is integrated in many devices such as smartphones, tablets or computers, and has greatly contributed to the <strong>rapid growth of the connected objects market<\/strong>.<\/p>\n\n\n\n<p>Although Bluetooth technology allows devices to <strong>communicate<\/strong> with each other, <strong>collecting<\/strong> and <strong>sending data back to the cloud<\/strong> or <strong>servers<\/strong> is a necessary step.<\/p>\n\n\n\n<p>In this article, we will explain<strong> what role the Gateway plays in data management<\/strong> and discuss some <strong>concrete examples of use<\/strong>.<\/p>\n\n\n\n<div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-color\" style=\"color:#006fe0\">What is a BLE Gateway?<\/h2>\n\n\n\n<div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>A BLE Gateway is a <strong>communication portal<\/strong> between <strong>Bluetooth devices<\/strong> (e.g. beacons and sensors) and the <strong>Cloud\/client server<\/strong>, comparable in principle to an internet router. When talking about this element, we sometimes differentiate between the hardware object and the software environment. Being able to communicate via different protocols such as <strong>WIFI \/ Ethernet \/ Bluetooth<\/strong> or <strong>cellular<\/strong>, the Gateway is particularly <strong>suitable for industrial applications<\/strong>. Thanks to standard interfaces such as MQTT, API Rest or GRPC, it brings <strong>flexibility<\/strong> and <strong>efficiency<\/strong> to<strong> IoT infrastructures<\/strong>.<\/p>\n\n\n\n<div style=\"height:55px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"367\" height=\"278\" src=\"https:\/\/elainnovation.com\/wp-content\/uploads\/2022\/12\/Image1-1.png\" alt=\"Gateway BLE Bluetooth Internet\" class=\"wp-image-16009\" style=\"width:464px;height:351px\" srcset=\"https:\/\/elainnovation.com\/wp-content\/uploads\/2022\/12\/Image1-1.png 367w, https:\/\/elainnovation.com\/wp-content\/uploads\/2022\/12\/Image1-1-300x227.png 300w\" sizes=\"(max-width: 367px) 100vw, 367px\" \/><\/figure>\n\n\n\n<div style=\"height:55px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-color\" style=\"color:#006fe0\">How does a BLE Gateway work?<\/h2>\n\n\n\n<div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>In order to <strong>function and correctly collect data from nearby Bluetooth devices<\/strong>, the <strong>BLE Gateway<\/strong> will continuously scan its environment within a <strong>range of about 100m<\/strong>. The devices will transmit at regular intervals, to signal their presence to the Gateway. The Gateway will collect their data in the form of frames and publish them on an MQTT broker, so that they can be easily retrieved from the cloud\/server.<\/p>\n\n\n\n<p>A <strong>Bluetooth Low Energy Gateway<\/strong> can work in <strong>Advertising<\/strong> mode, but also in <strong>connected<\/strong> mode. The Advertising mode will only allow data collection, while the connected mode will allow sending commands from the cloud\/server to the BLE devices via an MQTT broker.<\/p>\n\n\n\n<div style=\"height:55px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/elainnovation.com\/wp-content\/uploads\/2022\/12\/schema-article-gateway.jpg\" alt=\"Functioning of Gateway BLE\" class=\"wp-image-16067\" style=\"width:712px;height:445px\" srcset=\"https:\/\/elainnovation.com\/wp-content\/uploads\/2022\/12\/schema-article-gateway.jpg 800w, https:\/\/elainnovation.com\/wp-content\/uploads\/2022\/12\/schema-article-gateway-300x188.jpg 300w, https:\/\/elainnovation.com\/wp-content\/uploads\/2022\/12\/schema-article-gateway-768x480.jpg 768w, https:\/\/elainnovation.com\/wp-content\/uploads\/2022\/12\/schema-article-gateway-500x313.jpg 500w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<div style=\"height:55px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-color has-medium-font-size\" style=\"color:#006fe0\"><em><strong>Did you know that?<\/strong><\/em><\/p>\n\n\n\n<div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><em>MQTT stands for <strong>Message Queuing Telemetry Transport<\/strong> and is a lightweight messaging protocol particularly suited for sending &#8220;small&#8221; data between machines. In an MQTT architecture, you will find clients and brokers. The <strong>broker<\/strong> is a server that will allow the clients to communicate. The clients can be BLE devices or computers. This messaging protocol is based on the<strong> &#8220;publish-subscribe&#8221;<\/strong> method. The client will subscribe to communication channels called &#8220;Topics&#8221; on which the devices will publish their data.<\/em><\/p>\n\n\n\n<div style=\"height:55px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button aligncenter\"><a class=\"wp-block-button__link has-white-color has-text-color has-background wp-element-button\" href=\"https:\/\/www.paessler.com\/it-explained\/mqtt\" style=\"background-color:#006fe0\" target=\"_blank\" rel=\"noreferrer noopener\">Learn more<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:55px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-color\" style=\"color:#006fe0\">Why to use a BLE Gateway?<\/h2>\n\n\n\n<div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>An IoT solution can work without a Gateway. Nevertheless, it <strong>eases the management of a network of BLE devices<\/strong> and<strong> simplify data collection<\/strong>.<\/p>\n\n\n\n<p>Indeed, its mission is to collect and route the data sent by the various devices in the vicinity, equipped with Bluetooth. However, a Gateway is not a simple WIFI router. Certain gateways, such as the <strong>ELA Innovation BLE Gateway<\/strong>, allow you to go even further than simple data transmission.<\/p>\n\n\n\n<div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-text-color\" style=\"color:#006fe0\">Benefits of using a BLE Gateway<\/h3>\n\n\n\n<div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Easy to use<\/strong>, industrial gateways are <strong>ideal to increase the reliability and efficiency of IoT networks<\/strong> by integrating easily into any infrastructure, whether local or web-based.<\/p>\n\n\n\n<p>In addition to<strong> collecting and transmitting data from surrounding connected objects<\/strong>, you will be able to easily configure your network, view and download your data in real time, but also send orders to your devices: such as <strong>turning on an LED remotely<\/strong>, <strong>triggering an audible alert<\/strong> or in some cases, <strong>updating your devices remotely<\/strong>.<\/p>\n\n\n\n<div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-text-color\" style=\"color:#006fe0\">Limits of using a BLE Gateway<\/h3>\n\n\n\n<div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>The main limitations of using a Gateway in your IoT network are the necessity to wire it to power it, as well as to connect it to the Internet. This can represent additional infrastructure costs to be integrated into the overall cost of the solution.<\/p>\n\n\n\n<p>The second point to consider is the appearance of potential breakdowns that could impact the entire network. Indeed, by adding an intermediary between the devices and the cloud, it can create a weak link in the data transmission in case of failure of the Gateway. Yet this problem <strong>can be limited by using several gateways in the same network<\/strong>.<\/p>\n\n\n\n<div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-color\" style=\"color:#006fe0\">Examples of use cases employing an industrial BLE Gateway<\/h2>\n\n\n\n<div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>IoT is a <strong>growing market<\/strong> and more and more companies are integrating it into their digital transformation. If individuals use simple internet routers to access web applications and connect their various devices, companies instead invest in more advanced IoT infrastructures. Let&#8217;s discover some use cases.<\/p>\n\n\n\n<div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-text-color\" style=\"color:#006fe0\">Smart building and smart office<\/h3>\n\n\n\n<div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>\u00ab\u00a0Smart Building\u00a0\u00bb<\/strong>, a term frequently used to refer to intelligent buildings, is a trend that has exploded in recent years. The development of industrial connected objects has strongly contributed to this trend, since this new building model is based on the collection and analysis of numerous data allowing for <strong>better management of energy consumption<\/strong>. To meet this need for information, companies are investing in the latest generation of sensors capable of measuring all kinds of metrics such as <strong><a href=\"https:\/\/elainnovation.com\/en\/catalogue\/blue-puck-t-en12830-en\/\" target=\"_blank\" rel=\"noreferrer noopener\">temperature<\/a><\/strong>, <strong><a href=\"https:\/\/elainnovation.com\/en\/catalogue\/blue-puck-rht-en\/\" target=\"_blank\" rel=\"noreferrer noopener\">ambient humidity<\/a><\/strong>, brightness or even the rate of use of offices and meeting rooms.<\/p>\n\n\n\n<p>To <strong>collect and transfer all this data<\/strong> and to access dashboards that show the consumption of a building in real time, network infrastructures rely on IoT infrastructures composed of Bluetooth sensors and gateways, for example.<\/p>\n\n\n\n<div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-text-color\" style=\"color:#006fe0\">Tool and parts inventory<\/h3>\n\n\n\n<div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Optimizing supply chains is one of the major challenges of Industry 4.0. To facilitate the flow of supplies or to track and inventory tooling fleets in real time, manufacturers are using automatic identification and location systems. By equipping tools and spare parts with identifying tags called <strong><a href=\"https:\/\/elainnovation.com\/en\/bluetooth-beacon\/\" target=\"_blank\" rel=\"noreferrer noopener\">beacons<\/a><\/strong>, it is possible to track their movements in real time. By using a <strong>BLE Gateway<\/strong>, it will allow to record the movements and to upload them on a data visualization platform.<\/p>\n\n\n\n<div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-text-color\" style=\"color:#006fe0\">Patient monitoring in the health care<\/h3>\n\n\n\n<div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>As the <strong>number of hospitalizations is constantly growing<\/strong>, hospital performance is a key concern. To <strong>improve the patient journey<\/strong>, many hospitals are investing in connected solutions. By using beacons to identify patients, patient records can be easily transmitted from one department to another <strong>without losing data<\/strong>. In addition, the use of beacons can also be used to locate patients in hospitals allowing them to find their way around more easily. This will <strong>limit<\/strong> <strong>delays<\/strong> and <strong>no-shows<\/strong> <strong>to appointments<\/strong>, saturation of waiting rooms and also crossings and flows of patients. However, in order to guarantee a good experience for patients and hospital staff, it is necessary to rely on an <strong>efficient and secure infrastructure<\/strong>. Indeed, as the number of Bluetooth beacons can be very high, it is recommended to use <strong>several Gateways<\/strong> in order to facilitate data transmission to the client servers.<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Although it is not always necessary to use a gateway <strong>to make an IoT infrastructure work properly<\/strong>, it can still be recommended in many cases, such as when the density of Bluetooth devices in a single location is high.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The BLE Gateway is an essential element in the structure of an IoT solution, but do you really know what it is used for? And how does it work? Whether in our daily lives or in much more industrial fields, Bluetooth wireless communication technology is omnipresent. Indeed, this open protocol is integrated in many devices [&hellip;]<\/p>\n","protected":false},"author":320,"featured_media":16085,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[52,203],"tags":[],"class_list":["post-16094","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-bluetooth-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is a BLE gateway?<\/title>\n<meta name=\"description\" content=\"The BLE Gateway is an essential element in an IoT solution for simply collecting data from your Bluetooth devices. Find out why.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/elainnovation.com\/en\/iot-ble-gateway\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is a BLE gateway?\" \/>\n<meta property=\"og:description\" content=\"The BLE Gateway is an essential element in an IoT solution for simply collecting data from your Bluetooth devices. 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