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<h2>Hardware requirements</h2>

<p>The following new network elements are required to implement Nokia GPRS:</p>


<ul>
<li><p>Serving GPRS Support Nodes (SGSN)</p>
</li>
<li><p>Gateway GPRS Support Nodes (<a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08912#id08912" onclick="openSmallPopup(event,'NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08912#id08912');return false" shape="rect" target="_blank">GGSN</a>)</p>
</li>
<li><p>GPRS backbone</p>
</li>
<li><p>Point-to-multipoint Service Centre
(PTM SC)</p>
</li>
<li><p>Lawful Interception Gateway (LIG)</p>
</li>
<li><p>Charging Gateway (CG)</p>
</li>
<li><p>Gb interface functionality between
the BSC and Serving GPRS Support Node (<a href="NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08949#id08949" onclick="openSmallPopup(event,'NED?action=retrieve&amp;identifier=general_glossary&amp;edition=13&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=id08949#id08949');return false" shape="rect" target="_blank">SGSN</a>)</p>
</li>
<li><p>Packet Control Unit (PCU)</p>
</li>
</ul>


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<p><a href="NED?action=retrieve&amp;identifier=dn04111417&amp;edition=1&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=ned_4#ned_4" onclick="sync(this);return true" shape="rect">Frequency band support</a></p>
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