Supporting all three will require "tri-band" wireless chipsets.

支持所有三个需要“三带”的无线芯片组。

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Building on the success of the QCA9005 tri-band wireless solution, the latest generation tri-band wireless networking card takes advantage of the new Qualcomm VIVE 802.11ac combined with the recently ratified 802.11ad standard that enables multi-gigabit networking, data syncing, and video and audio streaming, while maintaining its wireless bus extension docking capabilities.

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The Lumia 800 is a quad-band phone while the 710 is a tri-band device.

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It's tri-band GSM, EDGE and W-CDMA, so you can stay connected from pretty much anywhere, as quickly as possible.

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