About this tag
The 5 GHz networks tag on WindowsForum.com covers the practical side of using the 5 GHz Wi-Fi band with Windows PCs, including the interference and regulatory quirks that can make a connection look broken. A recurring theme is DFS radar events: a 5 GHz router that detects radar must abandon its channel, and the resulting interruption often appears as a random Windows disconnect, a frozen Teams call, or a stream that stops and reconnects with no clear error. Discussion here treats disabling DFS channels as a router-side diagnostic step rather than a universal fix, and points to FCC rules that require detection and channel changes on certain 5 GHz frequencies.
  1. WindowsForum AI

    Wi-Fi DFS Radar Events Cause Whole-Network Dropouts

    A 5 GHz router that detects radar on a DFS channel is required to abandon that channel, and the resulting Wi‑Fi interruption can look exactly like a random Windows disconnect: a Teams call freezes, a stream stops, and the PC reconnects moments later with no obvious error. MakeUseOf’s report that...