having normal Mesh could be costy becuase use must have/buy matching/Full set or Routers in order to have it , but ASUS AiMesh got diffrent Definition for it and its the following:
ASUS routers are designed to give you the best possible WiFi coverage, and in most cases a single ASUS router will deliver smooth, reliable WiFi to every part of your home. But WiFi coverage can be affected by many factors: room layout, construction materials, and even furnishings! If your home has dead spots or unreliable signals, ASUS AiMesh is the answer! AiMesh is an innovative new router feature that connects multiple ASUS routers to create a whole-home WiFi network. It’s a powerful and flexible way to solve your WiFi problems that also makes the most of your existing hardware: you can mix different ASUS router models, so when you upgrade there’s no need to throw away your old router — you can use it to expand your AiMesh network! AiMesh gives you time-saving central control over all the routers, and seamless roaming capability means you never need to switch networks. AiMesh is WiFi you can rely on — for all your devices, all the time!