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    Recently in TriLUG, TriEmbed and TriBRAE meetings we have talked
    about various options to send data over a wireless link.  They
    include:<br>
    <ul>
      <li>Near field communications (NFC) - limited range to a few
        inches</li>
      <li>Bluetooth LE - designed for PAN (Personal Area Networks)
        limited to a few feet<br>
      </li>
      <li>Zigbee - low power SAN (Small Area Networks) limited to tens
        of feet, maybe a hundred feet<br>
      </li>
      <li>802.11-based Wi-Fi - limited to same as Zigbee but tied into
        the Internet infrastructure<br>
      </li>
      <li>Narrowband IoT (NB-IoT) - power hungry radios using licensed
        cellular infrastructure to carry over many miles<br>
      </li>
      <li>LoRa and Sigfox - low-power, long-range radios in unlicensed
        ISM bands designed to carry over many miles</li>
    </ul>
    <br>
    Here are a couple of articles featured in Radio Electronics
    Magazine's newsletter from DigiKey:<br>
    <br>
    Welcome to the Wireless Menagerie: Part 1<br>
<a class="moz-txt-link-freetext" href="https://www.digikey.com/en/articles/techzone/2018/apr/welcome-wireless-menagerie-rf-bands-protocol-choices-embedded-developers-part-1">https://www.digikey.com/en/articles/techzone/2018/apr/welcome-wireless-menagerie-rf-bands-protocol-choices-embedded-developers-part-1</a><br>
    <br>
    Welcome to the Wireless Menagerie: Part 2<br>
<a class="moz-txt-link-freetext" href="https://www.digikey.com/en/articles/techzone/2018/may/welcome-wireless-menagerie-rf-bands-protocol-choices-embedded-developers-part-2">https://www.digikey.com/en/articles/techzone/2018/may/welcome-wireless-menagerie-rf-bands-protocol-choices-embedded-developers-part-2</a><br>
    <br>
    <pre class="moz-signature" cols="80">-- 
Scott G. Hall
Raleigh, NC, USA
<a class="moz-txt-link-abbreviated" href="mailto:ScottGHall1@GMail.Com">ScottGHall1@GMail.Com</a></pre>
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