I'm looking at the spec sheets for the R720 and it states that on PoE the 2.4Ghz radio is in 1x4 mode at 18dbm per chain, at PoE+ it is in 4x4 mode at 18dbm per chain, and at PoH is in 4x4 at 23dbm per chain. I have a PoE+ switch, and range is much ...