<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Interested in learning how mobile smartphones and tablets convert digital
information to and from electromagnetic signals in the radio frequency
(RF) spectrum? Curious how radio designers and spectrum regulators avoid
harmful interference within a network or among different wireless
services? Debating whether television (TV) band spectrum or cellular
spectrum is more valuable to society? Want to build a radio transmitter
and receiver, or <span style="color:rgb(255,0,0)"><b>develop a business plan for a wireless network
deployment in your hometown</b></span>? Then sign up for "Understanding Wireless"
today!</div><br><a href="https://www.edx.org/course/understanding-wireless-technology-notredamex-eg240x">https://www.edx.org/course/understanding-wireless-technology-notredamex-eg240x</a><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline"></div></div>