A recent job opening posted by Apple on their website may hint at 802.11n Wi-Fi in the next iPhone. After the third generation iPod touch was found to contain the Broadcom BCM4329 chip capable of 802.11n (but only enabled for 802.11g) it was suspected that the faster protocol was just on the horizon. This advertisement, which is looking for a software engineer specializing in Wi-Fi protocols to join the iPhone team, would appear to be intended for just that purpose.
The job specifications:
Implementation of 802.11 a/b/g/n & related specifications.
802.11i/802.1x Security protocols
Good understanding of wireless RF technologies & co-existence issues of 802.11 PHYs with other Wireless interfaces like Bluetooth.

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