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The Mobile Internet Report Key Themes*

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Wireless Backhaul Capacity Expected to Increase 12x By 2012E –<br />

Fiber / Microwave / Ethernet Expected to Cope With <strong>Mobile</strong> Data Surge<br />

Today backhaul requires an average capacity of ~25 Mbps in markets with high data traffic –<br />

widely held industry view is that it is expected to reach 300 Mbps by 2012, representing 129%<br />

CAGR.<br />

Fiber and microwave deployments will be necessary to meet the rising backhaul demands<br />

AT&T actively deploying fiber and layering Ethernet connectivity – Currently, 38% of 3G cell<br />

sites are fiber fed + the company expects to reach 40% by year-end C2009 and 90% by<br />

C2011E.<br />

Backhaul Capacity (Mb / second)<br />

300<br />

250<br />

200<br />

150<br />

100<br />

50<br />

0<br />

25<br />

Backhaul Capacity, 2009 – 2012E<br />

50<br />

100<br />

300<br />

Today 2010E 2011E 2012E<br />

Source: AT&T, FiberTower, Morgan Stanley Research.<br />

447

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