var fDesc=new Array(); fDesc[0] = "Visualizes the spread of Wi-Fi access points across the available Wi-Fi channels, the amount of potential co-channel interference and of the access points as known by Google.
Access Points are displayed across 5 channels. Interference inevitably does spread that wide, because the channel frequencies overlap (even more so than visualized, see diagram below). Ideally you should choose a channel that provides an exclusive use of the center channel and 4 adjacent channels."; function tShowHide(id, show) { var s = document.getElementById("desc"); if ((s.innerHTML.length<=212 || show==1) && show!=2) { s.innerHTML = fDesc[id]; if (document.getElementById('m1')) document.getElementById('m1').style.display='none'; if (document.getElementById('m2')) document.getElementById('m2').style.display='none'; if (document.getElementById('more_txt')) document.getElementById('more_txt').style.display='inline'; } else { s.innerHTML = ''; } }