WiFi Signal Booster segmentation by application isolates four primary end‑use domains—Residential, Commercial, Industrial, and Public Infrastructure. In the Residential domain, which accounts for roughly 45 % of total revenue, boosters are deployed to mitigate dead zones in multistory homes and apartments, driving incremental unit sales through volume pricing. The Commercial segment, contributing about 30 % of market size, encompasses offices, retail spaces, and hospitality venues where network reliability is linked to operational efficiency; here, higher‑margin enterprise‑grade devices dominate. Industrial usage, representing 15 % of the market, involves factories and logistics hubs that require robust coverage across large floor plans and interference‑prone environments, prompting adoption of ruggedized, high‑gain solutions. Public Infrastructure, the remaining 10 %, includes airports, stadiums, and municipal Wi‑Fi projects where boosters support large‑scale public access and must comply with regulatory standards. This application‑based taxonomy clarifies how each domain’s distinct performance criteria and procurement cycles collectively shape the overall WiFi Signal Booster market size.