According to AppleInsider, next generation iPhone will have low Power 802.11n chip. Current iPhone is having the 820.11a and 820.11b/g wireless chip. Also, according to the leaked news, the new low power chip will support bluetooth.
It will be good news to many as many network are upgrading to 802.11n. For your information, 802.11n has 4 times the speed of the current 54mbps 802.11g network.
The picture (as above) is not very clear. You can hit the link to AppleInsider to see it more clearly.
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