If you're familiar with Wi-Fi, then you're probably familiar with two variants that the IEEE calls 802.11a and 802.11g.

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Computer geeks call it war-driving or Net stumbling: roving around with a Wi-Fi-enabled laptop to scan for nearby Wi-Fi access points, then trying to see if they can use them for free.

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Then there is the antenna needed for Bluetooth, and Wi-Fi if it is built in, and one for the GPS receiver, and if you have mobile TV capabilities built in there will be another antenna to receive, say the MediaFLO TV signals on 700 MHz.

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