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Editado por Andrew Bookholt

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[* black] After removing a soldered EMI shield, we find wireless connectivity provided by a Broadcom [link|http://www.broadcom.com/products/Wireless-LAN/802.11-Wireless-LAN-Solutions/BCM4331|BCM4331] "wireless solution."
[* black] According to Broadcom, this chip provides "three transmitting and three receiving streams of data in both the 2.4Ghz and 5Ghz bands. Increased number of streams and antennas results in faster speeds, longer range, fewer dropped connections, and better overall wireless coverage."
[* black] The wireless card bracket is aluminum, rather than the plastic in previous revisions. Perhaps this change was made for thermal reasons, as a pinkvisible pink thermal pad is visible and used to transfer heat from the Broadcom chipboard to theits aluminum bracket.
[* black] The wireless card bracket is aluminum, rather than the plastic in previous revisions. Perhaps this change was made for thermal reasons, as a pinkvisible pink thermal pad is visible and used to transfer heat from the Broadcom chipboard to theits aluminum bracket.