Is 802.11n Worth the Money?
I'm thinking that most 802.11n deployments will initially be in the 5 GHz UNII band using 40 MHz channels. Otherwise, why would anyone roll it out - right? There are a few enhancements other than just throughput with 802.11n equipment, but you should consider if they will be enough to justify the costs. Throughput enhancements will likely have to be a large part of a WLAN upgrade to 802.11n to get organizations to spend the money. Starting with an assumption that using 40 MHz channels in 5 GHz bands will be the norm due to more available channels and less congestion in each channel, let's consider the ramifications of backwards compatibility with 802.11a devices.
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