{"id":1012993,"date":"2023-09-04T18:38:26","date_gmt":"2023-09-04T18:38:26","guid":{"rendered":"https:\/\/beta-new.inhand.com\/?p=6779"},"modified":"2026-06-04T00:44:18","modified_gmt":"2026-06-04T00:44:18","slug":"what-is-dtu","status":"publish","type":"post","link":"https:\/\/www.inhand.com\/de\/support\/blogs\/what-is-dtu","title":{"rendered":"Was ist DTU und wof\u00fcr kann es verwendet werden?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"1012993\" class=\"elementor elementor-1012993\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f5deb9f e-con-full anli_box e-flex e-con e-parent\" data-id=\"f5deb9f\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6c1a9e e-con-full anli_box_l e-flex e-con e-child\" data-id=\"6c1a9e\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-34437fe7 elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"34437fe7\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Was ist DTU und wof\u00fcr kann es verwendet werden?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3775149e e-con-full e-flex e-con e-child\" data-id=\"3775149e\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-10a10b91 elementor-widget elementor-widget-heading\" data-id=\"10a10b91\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Blogs<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6bac9b35 e-con-full e-flex e-con e-child\" data-id=\"6bac9b35\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-788fe74d elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"788fe74d\" data-element_type=\"widget\" id=\"maodian1\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Wichtigste Erkenntnisse<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-257fbef5 elementor-widget elementor-widget-heading\" data-id=\"257fbef5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">DTU steht f\u00fcr Database Transaction Unit (auch serieller Server, IP-Modem oder industrielles IoT-Endger\u00e4t genannt) und kann in bestimmten Anwendungsszenarien als Gateway eingesetzt werden. Der Unterschied zwischen einer DTU und einem WLAN-Modem besteht darin, dass ein WLAN-Modem einen physischen Tunnel zum Netzwerkzugang darstellt.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-728d08d elementor-widget elementor-widget-text-editor\" data-id=\"728d08d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>DTU steht f\u00fcr Database Transaction Unit (auch serieller Server, IP-Modem oder industrielles IoT-Endger\u00e4t genannt) und kann in bestimmten Anwendungsszenarien als Gateway eingesetzt werden. Der Unterschied zwischen einer DTU und einem drahtlosen Modem besteht darin, dass ein drahtloses Modem einen physischen Tunnel zum Netzwerkzugang darstellt. Es verf\u00fcgt \u00fcber kein eigenes Betriebssystem; daher ist die Verbindung \u00fcber PPP-Einwahlverbindungen von PCs erforderlich. Die DTU hingegen ist eine Kombination aus eingebettetem PC und drahtlosem Modem und dient nicht nur als Modem, sondern \u00fcbernimmt auch die Datenprotokollkonvertierung und die transparente Daten\u00fcbertragung.<\/p><p>Die DTU kann direkt mit dem industriellen SCADA-System verbunden werden. Im transparenten \u00dcbertragungsmodus kommuniziert das SCADA-System \u00fcber eine individuelle IP-Adresse. Wird die DTU als Modbus-Netzwerkbr\u00fccke eingesetzt, ben\u00f6tigt sie eine statische IP-Adresse. In diesem Fall erfolgt die Dateninteraktion mit dem SCADA-System \u00fcber das Modbus-Protokoll. Die DTU unterst\u00fctzt intelligente Protokollkonvertierung, um die Kommunikationsanforderungen verschiedener Protokolle zu erf\u00fcllen. Bisher unterst\u00fctzt die DTU die Konvertierung zwischen Modbus TCP und Modbus RTU, wodurch Feldger\u00e4te an das SCADA-System angebunden werden k\u00f6nnen. Die DTU unterst\u00fctzt au\u00dferdem benutzerdefinierte Anmeldungen mit TCP\/UDP, Heartbeat-\u00dcberwachung, Feldidentifizierung und gew\u00e4hrleistet die Verbindungsverf\u00fcgbarkeit.<\/p><p>Die InDTU-Serie ist stabil, zuverl\u00e4ssig und benutzerfreundlich und zeichnet sich durch flexibles Management und Protokoll\u00fcbertragung aus. Im Vergleich zu anderen DTU-Produkten bietet InDTU folgende Merkmale:<\/p><p>Die InDTU-Serie wurde bereits millionenfach weltweit verkauft und von verschiedenen L\u00e4ndern zertifiziert. Sie unterst\u00fctzt alle Arten von drahtlosen Netzwerken rund um den Globus mit exzellenter Ausfall- und Online-Rate und genie\u00dft bei unseren Kunden hohes Ansehen. Zu den Merkmalen geh\u00f6ren ein hochzuverl\u00e4ssiges Design, wie beispielsweise ein integrierter Watchdog f\u00fcr maximale Ger\u00e4teverf\u00fcgbarkeit, ein mehrschichtiger Verbindungserkennungsmechanismus (einschlie\u00dflich PPP-Heartbeat, ICMP-Erkennung, TCP-Keepalive und Heartbeat auf Anwendungsschicht), die automatische Wiederherstellung bei Netzwerkausf\u00e4llen und die Aufrechterhaltung einer permanenten Online-Verbindung sowie Dual-SIM-Karten f\u00fcr redundante Datensicherung. All diese Merkmale gew\u00e4hrleisten eine stets verf\u00fcgbare Online-Verbindung und verbessern die Zuverl\u00e4ssigkeit der InDTU-Serie umfassend.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ef13471 elementor-widget elementor-widget-image\" data-id=\"ef13471\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"459\" height=\"214\" src=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/DTU-1.jpeg\" class=\"attachment-large size-large wp-image-960049\" alt=\"Industrielles IoT-DTU-Ger\u00e4t, das als Gateway f\u00fcr die Daten\u00fcbertragung in Fern\u00fcberwachungssystemen dient\" srcset=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/DTU-1.jpeg 459w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/DTU-1-300x140.jpeg 300w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/DTU-1-18x8.jpeg 18w\" sizes=\"(max-width: 459px) 100vw, 459px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-abafe10 elementor-widget elementor-widget-text-editor\" data-id=\"abafe10\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Die Netzsignalst\u00e4rke der Mobilfunkanbieter variiert regional. Das DTU ist mit zwei SIM-Karten unterschiedlicher Anbieter ausgestattet; im Falle eines Verbindungsabbruchs schaltet es automatisch von SIM 1 auf das Netz von SIM 2 um.<\/p><p>Die InDTU-Serie bietet verschiedene Management- und Konfigurationsmodi. Dazu geh\u00f6ren beispielsweise lokale serielle Schnittstelleneinstellungen, die Fernkonfiguration per RTool &amp; SMS sowie die InHand Device Manager-Plattform f\u00fcr die zentrale Fernverwaltung. Dies erleichtert die Umsetzung von Kundenprojekten und die Wartung von Anlagen. Dar\u00fcber hinaus verf\u00fcgt die InDTU \u00fcber eine zweite serielle Schnittstelle, die die Fernwartung von Feldger\u00e4ten erm\u00f6glicht und die Fehlersuche an seriellen Ger\u00e4ten vereinfacht. Dank der zwei seriellen Schnittstellen arbeitet die InDTU stabil und kann gleichzeitig online betrieben werden, wodurch die Online-Rate optimal ausgeglichen wird. In der Energiewirtschaft beispielsweise verbindet die DTU die Endger\u00e4te des DA-Terminalsystems, w\u00e4hrend ihr oberes Ende mit der Hauptstation des Verteilzentrums verbunden ist. Muss ein Konfigurationsparameter der DTU ge\u00e4ndert werden, beispielsweise das Upload-Zeitintervall, kann die Konfiguration durchgef\u00fchrt werden, ohne die serielle Schnittstelle zum Ger\u00e4t zu trennen. So wird die Online-Rate der Endger\u00e4te sichergestellt.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b825410 elementor-widget elementor-widget-image\" data-id=\"b825410\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"359\" height=\"325\" src=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/DTU-2.jpeg\" class=\"attachment-large size-large wp-image-960048\" alt=\"Industrielles IoT-DTU-Ger\u00e4t mit Anschl\u00fcssen und Antennen zur Daten\u00fcbertragung bei der Fern\u00fcberwachung\" srcset=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/DTU-2.jpeg 359w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/DTU-2-300x272.jpeg 300w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/DTU-2-13x12.jpeg 13w\" sizes=\"(max-width: 359px) 100vw, 359px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9af428a elementor-widget elementor-widget-text-editor\" data-id=\"9af428a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Nicht zuletzt unterst\u00fctzt InDTU intelligente Protokolle, wodurch die Vernetzung flexibler wird und sich an ein breiteres Anwendungsspektrum anpassen l\u00e4sst. Beispielsweise wird die Protokollkonvertierung Modbus TCP\/Modbus RTU unterst\u00fctzt, die eine nahtlose Verbindung zwischen industriellen SCADA-Systemen und industriellen Ger\u00e4ten vor Ort erm\u00f6glicht. InDTU unterst\u00fctzt zudem benutzerdefinierte Anmeldungen mit TCP\/UDP, Heartbeat-\u00dcberwachung, Feldidentifizierung und gew\u00e4hrleistet die Verbindungsverf\u00fcgbarkeit.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b5e1a41 elementor-widget elementor-widget-image\" data-id=\"b5e1a41\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"494\" height=\"200\" src=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/DTU-3.jpeg\" class=\"attachment-large size-large wp-image-960047\" alt=\"Industrielles IoT-DTU-Gateway-Ger\u00e4t, das Sensoren verbindet und Daten an Cloud-Server \u00fcbertr\u00e4gt\" srcset=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/DTU-3.jpeg 494w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/DTU-3-300x121.jpeg 300w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/DTU-3-18x7.jpeg 18w\" sizes=\"(max-width: 494px) 100vw, 494px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b88f4ef elementor-widget elementor-widget-text-editor\" data-id=\"b88f4ef\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>InDTU ist ein von InHand seit Jahrzehnten etabliertes High-End-Produkt. In den letzten zehn Jahren wurden j\u00e4hrlich Zehntausende Produkte im Bereich Smart Grids eingesetzt, um zuverl\u00e4ssige und sichere Fernverbindungen entlang der Spannungsverteilungsnetze zu gew\u00e4hrleisten und den Anwendern einen deutlichen Mehrwert zu bieten. Um den Bedarf vieler Branchen mit grundlegenden Netzwerkanforderungen zu decken, hat InHand die InDTU300-Serie entwickelt. Diese positioniert sich als kosteng\u00fcnstiges, \u00e4u\u00dferst effizientes, stabiles, zuverl\u00e4ssiges und benutzerfreundliches IoT-Kommunikationsendger\u00e4t. Als serieller Server unterst\u00fctzt es die volle Abdeckung drahtloser Mobilfunknetze wie 2G\/3G\/4G\/eMTC\/Nb-IoT und zeichnet sich durch Stabilit\u00e4t, Zuverl\u00e4ssigkeit, flexible Verwaltung und Protokollkonvertierung aus.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-206bd34 elementor-widget elementor-widget-image\" data-id=\"206bd34\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"486\" height=\"352\" src=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/DTU-4.jpeg\" class=\"attachment-large size-large wp-image-960046\" alt=\"Ein DTU-Ger\u00e4t, das mit Industrieanlagen verbunden ist und als serieller Server und IoT-Terminal-Gateway dient.\" srcset=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/DTU-4.jpeg 486w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/DTU-4-300x217.jpeg 300w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/DTU-4-18x12.jpeg 18w\" sizes=\"(max-width: 486px) 100vw, 486px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ab5869d elementor-widget elementor-widget-text-editor\" data-id=\"ab5869d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Die InDTU300-Serie zeichnet sich durch einen geringeren Stromverbrauch und ein breiteres Anwendungsspektrum aus und eignet sich f\u00fcr die Wasserwirtschaft, die kommunale Verwaltung, den Umweltschutz, die Meteorologie, die Heizungstechnik und weitere Branchen. Das Produkt ist besonders f\u00fcr den batteriebetriebenen Au\u00dfeneinsatz geeignet und liegt mit seinem Stromverbrauch deutlich unter dem Branchendurchschnitt. Dadurch ist es auch f\u00fcr abgelegene Standorte geeignet. In Anwendungsszenarien, in denen die Stromversorgung im Freien schwierig ist und eine Batterieversorgung erforderlich ist, tr\u00e4gt der geringe Stromverbrauch der DTU dazu bei, Batteriekosten zu sparen und einen stabileren Betrieb zu gew\u00e4hrleisten.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1e87d53 e-con-full e-flex e-con e-child\" data-id=\"1e87d53\" data-element_type=\"container\">\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a14c13b e-con-full anli_l_st e-flex e-con e-child\" data-id=\"a14c13b\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;sticky&quot;:&quot;top&quot;,&quot;sticky_offset&quot;:90,&quot;sticky_effects_offset&quot;:100,&quot;sticky_anchor_link_offset&quot;:100,&quot;sticky_parent&quot;:&quot;yes&quot;,&quot;sticky_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;,&quot;mobile&quot;]}\">\n\t\t<div class=\"elementor-element elementor-element-1da7e082 e-con-full e-flex e-con e-child\" data-id=\"1da7e082\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-69473ed elementor-widget elementor-widget-heading\" data-id=\"69473ed\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Mehr lesen <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-108ac635 elementor-widget elementor-widget-shortcode\" data-id=\"108ac635\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">    <style>\n        \/* --- \u8fd9\u91cc\u7684\u53c2\u6570\u5168\u90e8\u4fdd\u7559\u4f60\u7684\u4fee\u6539 --- *\/\n        .vpro-wrapper {\n            width: 100%;\n            max-width: 25rem;\n            height: 38.5rem;\n            overflow-y: auto;\n            overflow-x: hidden;\n            \/* 1. \u589e\u52a0\u5e95\u90e8\u5185\u8fb9\u8ddd\uff0c\u5236\u9020\u865a\u7a7a\u611f *\/\n            padding: 0.3125rem 0.3125rem 0rem 0.3125rem;\n            scrollbar-width: thin;\n            box-sizing: border-box;\n        }\n\n        .vpro-wrapper::-webkit-scrollbar { width: 0.25rem; }\n        .vpro-wrapper::-webkit-scrollbar-thumb { background: #ccc; border-radius: 0.625rem; }\n\n        .vpro-item {\n            width: 100%;\n            height: 21rem;\n            margin-bottom: 1rem;\n            background: #fff;\n            border: 0.0625rem solid #D7D7D7;\n            border-radius: 0.5rem;\n            display: flex;\n            flex-direction: column;\n            flex-shrink: 0;\n            overflow: hidden;\n            box-sizing: border-box;\n            transition: all 0.3s ease;\n        }\n\n        .vpro-item:hover {\n            box-shadow: 0 0.5rem 1.25rem rgba(0,0,0,0.08);\n            transform: translateY(-0.125rem);\n        }\n\n        .vpro-img-box {\n            width: 100%;\n            height: 14rem; \/* \u4fdd\u7559\u4f60\u6539\u7684 10rem *\/\n            overflow: hidden;\n            background: #f5f5f5;\n            flex-shrink: 0;\n        }\n\n        .vpro-img-box img {\n            width: 100%;\n            height: 100%;\n            object-fit: cover;\n            object-position: center;\n            display: block;\n        }\n\n        .vpro-content {\n            padding: 0.5rem 0.5rem 0.8rem 1.25rem;\n            flex-grow: 1;\n            display: flex;\n            align-items: center;\n        }\n\n        .vpro-title {\n            font-size: 1.25rem; \/* \u4fdd\u7559\u4f60\u6539\u7684 1.5rem *\/\n            font-weight: 500;\n       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width=\"2280\" height=\"1284\" src=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/empty-checkout-counter-modern-supermarket.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"Verf\u00fcgbarkeit des Kassensystems\" srcset=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/empty-checkout-counter-modern-supermarket.jpg 2280w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/empty-checkout-counter-modern-supermarket-300x169.jpg 300w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/empty-checkout-counter-modern-supermarket-2000x1126.jpg 2000w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/empty-checkout-counter-modern-supermarket-768x433.jpg 768w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/empty-checkout-counter-modern-supermarket-1536x865.jpg 1536w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/empty-checkout-counter-modern-supermarket-2048x1153.jpg 2048w, 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src=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/why-do-you-need-5g-failover.png\" class=\"attachment-full size-full wp-post-image\" alt=\"Warum braucht man 5G-Failover?\" srcset=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/why-do-you-need-5g-failover.png 800w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/why-do-you-need-5g-failover-300x164.png 300w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/why-do-you-need-5g-failover-768x420.png 768w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/why-do-you-need-5g-failover-18x10.png 18w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/why-do-you-need-5g-failover-600x329.png 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>                                            <\/a>\n                <\/div>\n                <div class=\"vpro-content\">\n                    <div class=\"vpro-title\">\n                        <a href=\"https:\/\/www.inhand.com\/de\/support\/blogs\/why-do-you-need-a-5g-failover-solution\">Warum ben\u00f6tigen Sie eine 5G-Failover-L\u00f6sung?<\/a>\n                    <\/div>\n                <\/div>\n            <\/div>\n                    <div class=\"vpro-item\">\n                <div class=\"vpro-img-box\">\n                    <a href=\"https:\/\/www.inhand.com\/de\/business-segment\/industrial-iot\">\n                                                    <img loading=\"lazy\" decoding=\"async\" width=\"1520\" height=\"856\" src=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/pc-monitoring-photovoltaics-engineering-workspace.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"Ingenieur \u00fcberwacht Photovoltaikanlagen mithilfe von Industrial IoT zur vorausschauenden Wartung\" srcset=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/pc-monitoring-photovoltaics-engineering-workspace.jpg 1520w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/pc-monitoring-photovoltaics-engineering-workspace-300x169.jpg 300w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/pc-monitoring-photovoltaics-engineering-workspace-768x433.jpg 768w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/pc-monitoring-photovoltaics-engineering-workspace-18x10.jpg 18w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/pc-monitoring-photovoltaics-engineering-workspace-600x338.jpg 600w\" sizes=\"(max-width: 1520px) 100vw, 1520px\" \/>                                            <\/a>\n                <\/div>\n                <div class=\"vpro-content\">\n                    <div class=\"vpro-title\">\n                        <a href=\"https:\/\/www.inhand.com\/de\/business-segment\/industrial-iot\">Industrielles IoT<\/a>\n                    <\/div>\n                <\/div>\n            <\/div>\n                    <div class=\"vpro-item\">\n                <div class=\"vpro-img-box\">\n                    <a href=\"https:\/\/www.inhand.com\/de\/company\/news\/ig502-controlengineering-award\">\n                                                    <img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/06\/InHand-Networks-IG502-has-won-35th-annual-Control-Engineering-Engineers-Choice-Award-2-new-feng.png\" class=\"attachment-full size-full wp-post-image\" alt=\"Das industrielle Mobilfunk-Gateway IG502 erh\u00e4lt den Engineers&#039; Choice Award von Control Engineering\" srcset=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/06\/InHand-Networks-IG502-has-won-35th-annual-Control-Engineering-Engineers-Choice-Award-2-new-feng.png 1024w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/06\/InHand-Networks-IG502-has-won-35th-annual-Control-Engineering-Engineers-Choice-Award-2-new-feng-300x169.png 300w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/06\/InHand-Networks-IG502-has-won-35th-annual-Control-Engineering-Engineers-Choice-Award-2-new-feng-768x432.png 768w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/06\/InHand-Networks-IG502-has-won-35th-annual-Control-Engineering-Engineers-Choice-Award-2-new-feng-18x10.png 18w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/06\/InHand-Networks-IG502-has-won-35th-annual-Control-Engineering-Engineers-Choice-Award-2-new-feng-600x338.png 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>                                            <\/a>\n                <\/div>\n                <div class=\"vpro-content\">\n                    <div class=\"vpro-title\">\n                        <a href=\"https:\/\/www.inhand.com\/de\/company\/news\/ig502-controlengineering-award\">IG502 hat den 35. j\u00e4hrlichen Control Engineering Engineers&#039; Choice Award gewonnen.<\/a>\n                    <\/div>\n                <\/div>\n        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DTU stands for Database Transaction Unit (also called serial server, IP Modem and industrial IoT terminal device), which can be used as a gateway in some application scenarios. The difference between &#8230; The network signal intensity of carriers varies from region to region. DTU is [&hellip;]<\/p>","protected":false},"author":1,"featured_media":960045,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[817],"tags":[],"case_tag":[],"class_list":["post-1012993","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.6 (Yoast SEO v26.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>InDTU Series Industrial IoT DTU Capabilities &amp; Applications<\/title>\n<meta name=\"description\" content=\"InDTU series industrial DTUs enable reliable Modbus TCP\/RTU conversion with dual SIM redundancy. Manage remotely via InHand Device Manager for always-on SCADA connectivity.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.inhand.com\/de\/support\/blogs\/what-is-dtu\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Is DTU and What Can It Be Used for?\" \/>\n<meta property=\"og:description\" content=\"DTU stands for Database Transaction Unit (also called serial server, IP Modem and industrial IoT terminal device), which can be used as a gateway in some a...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.inhand.com\/de\/support\/blogs\/what-is-dtu\" \/>\n<meta property=\"og:site_name\" content=\"InHand Networks\" \/>\n<meta property=\"article:published_time\" content=\"2023-09-04T18:38:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-04T00:44:18+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/what-is-dtu-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"352\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"What Is DTU and What Can It Be Used for?\" \/>\n<meta name=\"twitter:description\" content=\"DTU stands for Database Transaction Unit (also called serial server, IP Modem and industrial IoT terminal device), which can be used as a gateway in some a...\" \/>\n<meta name=\"twitter:label1\" content=\"Verfasst von\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data2\" content=\"1\u00a0Minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.inhand.com\/de\/support\/blogs\/what-is-dtu#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.inhand.com\/de\/support\/blogs\/what-is-dtu\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\/\/www.inhand.com\/de\/#\/schema\/person\/f28b5f5eb652f2ac06a75a465b789734\"},\"headline\":\"What Is DTU and What Can It Be Used for?\",\"datePublished\":\"2023-09-04T18:38:26+00:00\",\"dateModified\":\"2026-06-04T00:44:18+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.inhand.com\/de\/support\/blogs\/what-is-dtu\"},\"wordCount\":83,\"publisher\":{\"@id\":\"https:\/\/www.inhand.com\/de\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.inhand.com\/de\/support\/blogs\/what-is-dtu#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/what-is-dtu-1.png\",\"articleSection\":[\"blog\"],\"inLanguage\":\"de\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.inhand.com\/de\/support\/blogs\/what-is-dtu\",\"url\":\"https:\/\/www.inhand.com\/de\/support\/blogs\/what-is-dtu\",\"name\":\"InDTU Series Industrial IoT DTU Capabilities & Applications\",\"isPartOf\":{\"@id\":\"https:\/\/www.inhand.com\/de\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.inhand.com\/de\/support\/blogs\/what-is-dtu#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.inhand.com\/de\/support\/blogs\/what-is-dtu#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/what-is-dtu-1.png\",\"datePublished\":\"2023-09-04T18:38:26+00:00\",\"dateModified\":\"2026-06-04T00:44:18+00:00\",\"description\":\"InDTU series industrial DTUs enable reliable Modbus TCP\/RTU conversion with dual SIM redundancy. 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