{"id":11517,"date":"2025-03-21T14:51:44","date_gmt":"2025-03-21T09:21:44","guid":{"rendered":"https:\/\/nvis.scientech.co.in\/?post_type=product&#038;p=11517"},"modified":"2025-06-27T13:03:05","modified_gmt":"2025-06-27T07:33:05","slug":"understanding-dual-sim-mobile-phone","status":"publish","type":"product","link":"https:\/\/nvis.scientech.co.in\/?product=understanding-dual-sim-mobile-phone","title":{"rendered":"Understanding Dual SIM Mobile Phone"},"content":{"rendered":"<p>Nvis 1027 Understanding Dual SIM Mobile Phone TechBook is a unique, self contained, easy to operate, training<br \/>\nplatform that demonstrates the complete arrangement of a 2G Dual SIM GSM handset to understand the working of the mobile phone.<br \/>\nNvis 1027 Understanding Dual SIM Mobile Phone TechBook is the perfect product for today&#8217;s global technical<br \/>\nprofessional. One of the main features of the TechBook is its real time signals. This realistic classroom training<br \/>\nTechBook introduces the user to the fundamental of 2G Dual SIM GSM mobile equipment and clears the concept of underlying GSM technology in simple way. The Keypad of mobile handset, SIM sockets and User Interface section of the mobile phone i.e. Vibrator, Buzzer, Microphone, Speaker, Hands free port and display LEDs have been exposed onboard with switched faults creation facility and 58 test points for signal observation and detailed study. Also its attractive features and self explanatory multicolored chart containing useful technical information will help user in creating a full understanding of dual SIM mobile phone system.<\/p>\n<h2>Product Features<\/h2>\n<p>\u2022 Real time mobile operation<br \/>\n\u2022 Operates on dual band frequency network (GSM 900\/ DCS 1800)<br \/>\n\u2022 Colour TFT display<br \/>\n\u2022 Full understanding of Dual SIM mobile phone working<br \/>\n\u2022 Provides study of all sections in Dual SIM mobile phone<br \/>\n\u2022 Tx\/ Rx frequency measurement and band verification<br \/>\n\u2022 2G technology GMSK signal<br \/>\n\u2022 Detail study of User Interface Control signals<br \/>\n\u2022 Detail study of Dual SIM operation<br \/>\n\u2022 Battery identification and charging study<br \/>\n\u2022 Switched faults<\/p>\n<h2>Scope of Learning<\/h2>\n<div class=\"tech_specs\">\n<p>Study and observe<br \/>\n\u2022 Transmitted\/Received RF signals<br \/>\n\u2022 Tx IQ\/ Rx IQ signals<br \/>\n\u2022 Signal constellation of GMSK signal (Rx I\/Q)<br \/>\n\u2022 Signal constellation of GMSK signal (Tx I\/Q)<br \/>\n\u2022 Measure Battery voltages the Battery charging phenomena<br \/>\n\u2022 Analyze the Buzzer section<br \/>\n\u2022 Analyze the vibrator section<br \/>\n\u2022 Analyze the LED control section<br \/>\n\u2022 Analyze MIC &amp; Speaker section<br \/>\n\u2022 Analyze the Hands Free section (MIC\/Speaker)<br \/>\n\u2022 Measurement voltages of Power management unit<br \/>\n\u2022 Observe signals of LCD display section<br \/>\n\u2022 Analyze Microprocessor Control unit<br \/>\n\u2022 Switch faults in User Interface Section<br \/>\n\u2022 Analyze the &#8216;Partially ON&#8217; mode of phone while charging<br \/>\n\u2022 Switch faults in Battery section<br \/>\n\u2022 Switch faults in LCD display section<br \/>\n\u2022 Row\/ Column configuration of key matrix<br \/>\n\u2022 Switch faults in Keypad section<br \/>\n\u2022 Study of SIM card detection with and without inserting SIM card<br \/>\n\u2022 Study of switch faults in SIM interface section<br \/>\n\u2022 Analyze that a mobile is powered On at the alarm set time<br \/>\n\u2022 Analyze the active mode of a mobile phone<br \/>\n\u2022 Analyze the acting dead mode of a mobile phone<br \/>\n\u2022 Analyze the sleep mode of a mobile phone<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Nvis 1027 Understanding Dual SIM Mobile Phone TechBook is a unique, self contained, easy to operate, training platform that demonstrates the complete arrangement of a 2G Dual SIM GSM handset to understand the working of the mobile phone. Nvis 1027 Understanding Dual SIM Mobile Phone TechBook is the perfect product for today&#8217;s global technical professional. [&hellip;]<\/p>\n","protected":false},"featured_media":11519,"template":"","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"product_cat":[109],"product_tag":[],"class_list":["post-11517","product","type-product","status-publish","has-post-thumbnail","product_cat-digital-communication","first","instock","shipping-taxable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Dual SIM Mobile Phone Trainer | Mobile Communication Kit<\/title>\n<meta name=\"description\" content=\"Understand mobile technology with the Dual SIM Mobile Phone Trainer. Ideal mobile communication kit for telecom training and electronics education.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nvis.scientech.co.in\/product\/understanding-dual-sim-mobile-phone\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dual SIM Mobile Phone Trainer | Mobile Communication Kit\" \/>\n<meta property=\"og:description\" content=\"Understand mobile technology with the Dual SIM Mobile Phone Trainer. Ideal mobile communication kit for telecom training and electronics education.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/nvis.scientech.co.in\/product\/understanding-dual-sim-mobile-phone\/\" \/>\n<meta property=\"og:site_name\" content=\"Nvis\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-27T07:33:05+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/nvis.scientech.co.in\/wp-content\/uploads\/2025\/03\/Nvis-1027_Understanding-Dual-SIM-Mobile-Phone.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"499\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/nvis.scientech.co.in\/product\/understanding-dual-sim-mobile-phone\/\",\"url\":\"https:\/\/nvis.scientech.co.in\/product\/understanding-dual-sim-mobile-phone\/\",\"name\":\"Dual SIM Mobile Phone Trainer | Mobile Communication Kit\",\"isPartOf\":{\"@id\":\"https:\/\/nvis.scientech.co.in\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/nvis.scientech.co.in\/product\/understanding-dual-sim-mobile-phone\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/nvis.scientech.co.in\/product\/understanding-dual-sim-mobile-phone\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/nvis.scientech.co.in\/wp-content\/uploads\/2025\/03\/Nvis-1027_Understanding-Dual-SIM-Mobile-Phone.jpg\",\"datePublished\":\"2025-03-21T09:21:44+00:00\",\"dateModified\":\"2025-06-27T07:33:05+00:00\",\"description\":\"Understand mobile technology with the Dual SIM Mobile Phone Trainer. Ideal mobile communication kit for telecom training and electronics education.\",\"breadcrumb\":{\"@id\":\"https:\/\/nvis.scientech.co.in\/product\/understanding-dual-sim-mobile-phone\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/nvis.scientech.co.in\/product\/understanding-dual-sim-mobile-phone\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/nvis.scientech.co.in\/product\/understanding-dual-sim-mobile-phone\/#primaryimage\",\"url\":\"https:\/\/nvis.scientech.co.in\/wp-content\/uploads\/2025\/03\/Nvis-1027_Understanding-Dual-SIM-Mobile-Phone.jpg\",\"contentUrl\":\"https:\/\/nvis.scientech.co.in\/wp-content\/uploads\/2025\/03\/Nvis-1027_Understanding-Dual-SIM-Mobile-Phone.jpg\",\"width\":499,\"height\":500,\"caption\":\"Understanding Dual SIM Mobile Phone\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/nvis.scientech.co.in\/product\/understanding-dual-sim-mobile-phone\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/nvis.scientech.co.in\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Products\",\"item\":\"https:\/\/nvis.scientech.co.in\/shop\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Understanding Dual SIM Mobile Phone\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/nvis.scientech.co.in\/#website\",\"url\":\"https:\/\/nvis.scientech.co.in\/\",\"name\":\"Nvis Technologies Pvt. Ltd.\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/nvis.scientech.co.in\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/nvis.scientech.co.in\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/nvis.scientech.co.in\/#organization\",\"name\":\"Nvis Technologies Pvt. Ltd.\",\"url\":\"https:\/\/nvis.scientech.co.in\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/nvis.scientech.co.in\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/nvis.scientech.co.in\/wp-content\/uploads\/2023\/12\/Nvis-logo.png\",\"contentUrl\":\"https:\/\/nvis.scientech.co.in\/wp-content\/uploads\/2023\/12\/Nvis-logo.png\",\"width\":899,\"height\":352,\"caption\":\"Nvis Technologies Pvt. Ltd.\"},\"image\":{\"@id\":\"https:\/\/nvis.scientech.co.in\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Dual SIM Mobile Phone Trainer | Mobile Communication Kit","description":"Understand mobile technology with the Dual SIM Mobile Phone Trainer. Ideal mobile communication kit for telecom training and electronics education.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/nvis.scientech.co.in\/product\/understanding-dual-sim-mobile-phone\/","og_locale":"en_US","og_type":"article","og_title":"Dual SIM Mobile Phone Trainer | Mobile Communication Kit","og_description":"Understand mobile technology with the Dual SIM Mobile Phone Trainer. Ideal mobile communication kit for telecom training and electronics education.","og_url":"https:\/\/nvis.scientech.co.in\/product\/understanding-dual-sim-mobile-phone\/","og_site_name":"Nvis","article_modified_time":"2025-06-27T07:33:05+00:00","og_image":[{"width":499,"height":500,"url":"http:\/\/nvis.scientech.co.in\/wp-content\/uploads\/2025\/03\/Nvis-1027_Understanding-Dual-SIM-Mobile-Phone.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/nvis.scientech.co.in\/product\/understanding-dual-sim-mobile-phone\/","url":"https:\/\/nvis.scientech.co.in\/product\/understanding-dual-sim-mobile-phone\/","name":"Dual SIM Mobile Phone Trainer | Mobile Communication Kit","isPartOf":{"@id":"https:\/\/nvis.scientech.co.in\/#website"},"primaryImageOfPage":{"@id":"https:\/\/nvis.scientech.co.in\/product\/understanding-dual-sim-mobile-phone\/#primaryimage"},"image":{"@id":"https:\/\/nvis.scientech.co.in\/product\/understanding-dual-sim-mobile-phone\/#primaryimage"},"thumbnailUrl":"https:\/\/nvis.scientech.co.in\/wp-content\/uploads\/2025\/03\/Nvis-1027_Understanding-Dual-SIM-Mobile-Phone.jpg","datePublished":"2025-03-21T09:21:44+00:00","dateModified":"2025-06-27T07:33:05+00:00","description":"Understand mobile technology with the Dual SIM Mobile Phone Trainer. Ideal mobile communication kit for telecom training and electronics education.","breadcrumb":{"@id":"https:\/\/nvis.scientech.co.in\/product\/understanding-dual-sim-mobile-phone\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/nvis.scientech.co.in\/product\/understanding-dual-sim-mobile-phone\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/nvis.scientech.co.in\/product\/understanding-dual-sim-mobile-phone\/#primaryimage","url":"https:\/\/nvis.scientech.co.in\/wp-content\/uploads\/2025\/03\/Nvis-1027_Understanding-Dual-SIM-Mobile-Phone.jpg","contentUrl":"https:\/\/nvis.scientech.co.in\/wp-content\/uploads\/2025\/03\/Nvis-1027_Understanding-Dual-SIM-Mobile-Phone.jpg","width":499,"height":500,"caption":"Understanding Dual SIM Mobile Phone"},{"@type":"BreadcrumbList","@id":"https:\/\/nvis.scientech.co.in\/product\/understanding-dual-sim-mobile-phone\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/nvis.scientech.co.in\/"},{"@type":"ListItem","position":2,"name":"Products","item":"https:\/\/nvis.scientech.co.in\/shop\/"},{"@type":"ListItem","position":3,"name":"Understanding Dual SIM Mobile Phone"}]},{"@type":"WebSite","@id":"https:\/\/nvis.scientech.co.in\/#website","url":"https:\/\/nvis.scientech.co.in\/","name":"Nvis Technologies Pvt. Ltd.","description":"","publisher":{"@id":"https:\/\/nvis.scientech.co.in\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/nvis.scientech.co.in\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/nvis.scientech.co.in\/#organization","name":"Nvis Technologies Pvt. Ltd.","url":"https:\/\/nvis.scientech.co.in\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/nvis.scientech.co.in\/#\/schema\/logo\/image\/","url":"https:\/\/nvis.scientech.co.in\/wp-content\/uploads\/2023\/12\/Nvis-logo.png","contentUrl":"https:\/\/nvis.scientech.co.in\/wp-content\/uploads\/2023\/12\/Nvis-logo.png","width":899,"height":352,"caption":"Nvis Technologies Pvt. Ltd."},"image":{"@id":"https:\/\/nvis.scientech.co.in\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/nvis.scientech.co.in\/index.php?rest_route=\/wp\/v2\/product\/11517","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nvis.scientech.co.in\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/nvis.scientech.co.in\/index.php?rest_route=\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nvis.scientech.co.in\/index.php?rest_route=\/wp\/v2\/media\/11519"}],"wp:attachment":[{"href":"https:\/\/nvis.scientech.co.in\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11517"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/nvis.scientech.co.in\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=11517"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/nvis.scientech.co.in\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=11517"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}