Sam started "flapping"—jumping back and forth between the two routers constantly. This rapid switching caused a brief interruption every time. Dave’s video call froze for a second, then caught up, then froze again.

: Your device switches back and forth between two access points constantly (thrashing), causing brief internet interruptions.

Sam saw a new router ahead (). Router B had a strong, fresh signal. It was waving its arms, shouting, "Sam! Come over here! I have full bars!"

Roaming sensitivity (often labeled ) is a network adapter setting that determines the threshold at which a device decides to drop its current Wi-Fi connection and search for a stronger access point (AP).

A balanced setting recommended for most environments.

But later that afternoon, Dave sat in a meeting room directly between two routers.