Learn in the textbookWireless LAN and Wi-Fi
DefinitionMesh Wi-Fi (メッシュWi-Fi) is a setup that links several wireless LAN devices in a mesh so that together they extend radio coverage.
ExplanationA main router and several satellite units relay signals among themselves, and each device connects to whichever unit is nearest at the moment. The whole system works as a single network with one network name, so connections tend to hold as you move around the building.
AnalogyIt is like lighting every corner of a room by placing small lamps around it rather than making a single lamp brighter.
Memory hookMesh is the netting of a window screen. Picture points joined to one another by many lines.