Field notes on complex Wi-Fi.

PoE for Wi-Fi Explained

PoE is one of those topics everyone assumes is solved. You plug the access point in, it powers up, the survey looks fine, and the project moves on. Then someone measures two spatial streams on a 4x4 access point, or notices that the 6 GHz radio never came up, and the investigation ends at the switch.

September 11, 2026 · François Vergès, CWNE #180 · 6 min read