1.0ISTE Grouphttps://www.istegroup.com/frMarcio Marimhttps://www.istegroup.com/fr/profile/marcio-marim/rich600338<blockquote class="wp-embedded-content" data-secret="2iNb7QUctf"><a href="https://www.istegroup.com/fr/book/wireless-public-safety-networks-1/">Wireless Public Safety Networks 1</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.istegroup.com/fr/book/wireless-public-safety-networks-1/embed/#?secret=2iNb7QUctf" width="600" height="338" title="« Wireless Public Safety Networks 1 » — ISTE Group" data-secret="2iNb7QUctf" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.istegroup.com/wp-includes/js/wp-embed.min.js </script> https://www.istegroup.com/wp-content/uploads/2018/01/doc_pvjcvxfrdbon.jpg9861500Maintaining communication capabilities during a disaster scenario is crucial and can often be the primary determining factor between life and death for many people. Public Safety Networks (PSNs) are networks established by the authorities to either prepare the population for an eminent catastrophe, or as support during the crisis and normalization phases. The requirements for […]