In the layered architecture of the modern connected home, even the most sophisticated devices are only as reliable as the invisible spectrum they share. A tech journalist's discovery cuts through the noise: the chronic disconnections plaguing smart home accessories often stem not from faulty hardware, but from a router setting—channel width—that quietly determines how much of an already-crowded radio band each device is permitted to occupy. By narrowing the 2.4GHz channel width from 40MHz to 20MHz, households can restore order to a spectrum where dozens of devices compete for just three non-ov