Wi-Fi Tuning Deep Dive: Channels, Placement, and the Fast-Roaming Trio
Networking from Scratch (lesson 17) — why 2.4 GHz only has three usable channels, the practical 5 GHz channel plan, what 6 GHz changes, the AP-placement and power decisions that beat any equipment upgrade, the 802.11k/v/r fast-roaming trio, band steering, minimum data rates, and the RSSI/SNR/utilisation thresholds that turn Wi-Fi performance complaints into numbers.