I wrote, <i>"Just in case it <b>IS</b> true, I have ordered the TP-LINK TL-WN722N. Am I going to need a special cable to connect this device?"</i>

outofbounds wrote, <i>"You can also get a Y OTG cable that will allow you to charge your Nexus 7 while using the USB adapter."</i>

I definitely had to order a special cable -- the TL-WN722N has a male USB port, and the Nexus 7 only has a Micro USB slot.

I found this to be helpful:

SANOXY USB 2.0 Female to Micro USB Male OTG On-The-Go Cable Adapter for Samsung Galaxy s2 i9100
$1.30 & FREE Shipping
http://www.amazon.com/SANOXY-Female-...dp/B005GI2VMG/

And for a USB Power Cable Y Splitter:

Micro USB Host OTG Cable with Micro USB Power for Nexus 4 5 6 7 9 10
$1.75 & FREE Shipping
http://www.amazon.com/Micro-Cable-Po...dp/B00CXAC1ZW/