@RobinGanderton if you're looking for more powerful APs then the MR56 has 4x4:4 on the 2.4GH band, but more importantly 8x8:8 on the 5GHz band with a 5Gb uplink. However depending on the situation two MR44s might give a better experience than one MR56 as though each radio has half as many chains, you have twice as many radios (as you have two APs).
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