Apple's Base Stations Have Three 802.11n Streams DECEMBER 5, 2009 Apple's October revision to its AirPort Extreme Base Station and Time Capsule lets these units run at up to 450 Mbps, 50 percent faster: I knew that Apple had put a 3x3 antenna array into these devices, which could be argued was intended to improve speed-over-range, a common reason to add antennas. (Read the background in my 20 October 2009 article, "Apple Slipstreams 3x3 into Wi-Fi Base Stations.") But I had heard that Apple had built three streams in, making these devices capable of a raw 450 Mbps operation, or...
