Comcast is in the early stages of building a wireless phone service that would primarily depend on Wi-Fi to work, according to The Information. The rumored model resembles what weve seen from small companies like Republic Wireless in the US. Comcast would rely on Wi-Fi from wireless routers and public hotspots to handle the bulk of its services, and the company would lease spectrum from traditional carriers (likely Verizon) for instances where Wi-Fi coverage is unavailable. This hybrid Wi-Fi / cellular approach has allowed Republic Wireless to undercut larger wireless carriers drastically;