1.0Edexcel iGCSE Computer Sciencehttps://learnlearn.uk/edexcel-igcse-computer-sciencelearnlearnadminhttps://learnlearn.uk/edexcel-igcse-computer-science/author/learnlearnadmin/rich600338<blockquote class="wp-embedded-content" data-secret="TpRv2o6xQt"><a href="https://learnlearn.uk/edexcel-igcse-computer-science/mobile-communication-standards/">Mobile communication standards</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://learnlearn.uk/edexcel-igcse-computer-science/mobile-communication-standards/embed/#?secret=TpRv2o6xQt" width="600" height="338" title="“Mobile communication standards” — Edexcel iGCSE Computer Science" data-secret="TpRv2o6xQt" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /*! This file is auto-generated */ !function(c,d){"use strict";var e=!1,o=!1;if(d.querySelector)if(c.addEventListener)e=!0;if(c.wp=c.wp||{},c.wp.receiveEmbedMessage);else if(c.wp.receiveEmbedMessage=function(e){var t=e.data;if(!t);else if(!(t.secret||t.message||t.value));else if(/[^a-zA-Z0-9]/.test(t.secret));else{for(var r,s,a,i=d.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),n=d.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),o=new RegExp("^https?:$","i"),l=0;l<n.length;l++)n[l].style.display="none";for(l=0;l<i.length;l++)if(r=i[l],e.source!==r.contentWindow);else{if(r.removeAttribute("style"),"height"===t.message){if(1e3<(s=parseInt(t.value,10)))s=1e3;else if(~~s<200)s=200;r.height=s}if("link"===t.message)if(s=d.createElement("a"),a=d.createElement("a"),s.href=r.getAttribute("src"),a.href=t.value,!o.test(a.protocol));else if(a.host===s.host)if(d.activeElement===r)c.top.location.href=t.value}}},e)c.addEventListener("message",c.wp.receiveEmbedMessage,!1),d.addEventListener("DOMContentLoaded",t,!1),c.addEventListener("load",t,!1);function t(){if(o);else{o=!0;for(var e,t,r,s=-1!==navigator.appVersion.indexOf("MSIE 10"),a=!!navigator.userAgent.match(/Trident.*rv:11\./),i=d.querySelectorAll("iframe.wp-embedded-content"),n=0;n<i.length;n++){if(!(r=(t=i[n]).getAttribute("data-secret")))r=Math.random().toString(36).substr(2,10),t.src+="#?secret="+r,t.setAttribute("data-secret",r);if(s||a)(e=t.cloneNode(!0)).removeAttribute("security"),t.parentNode.replaceChild(e,t);t.contentWindow.postMessage({message:"ready",secret:r},"*")}}}}(window,document); </script> Introduction Mobile communication standards refer to the set of technical specifications and protocols that define how mobile devices communicate with cellular networks. These standards are essential for ensuring interoperability between different mobile devices and networks, allowing users to make calls, send text messages, and access data services seamlessly across various carriers and countries. The most… Read More »https://learnlearn.uk/edexcel-igcse-computer-science/wp-content/uploads/sites/27/2023/08/3g-antenna-300x300.jpg