![]() Since Atheros AR5B225 is based on a AR9004WB wireless chip which can only use 1 spatial stream it would be possible for this card to achieve speeds that are adequate at 20MHz channel with 1 spatial stream and 64-QAM modulation- which would be 65mbps. It's a bit complicated but overall it's correct.ฤก30mbps is achievable only with 20MHz channel width and 2 spatial streams and 64-QAM modulation (and one of two coding rates).
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