An anonymous reader quotes a report from Digital Trends: Comcast already pipes internet into millions of homes, and now it wants to take its service to the airwaves. In April, the media giant announced the details of a new service, Xfinity Mobile, that will compete toe-to-toe with Google Fi, US Cellular, and incumbents like AT&T and T-Mobile. Now it appears the company is in the initial stages of launching the service nationwide. If you're already an Xfinity subscriber, you can head to the company's new mobile website now to get started. The service is available in all markets in which Comcast already operates. Xfinity Mobile features an unlimited data, talk, and text plan starting at $65 a month for up to five lines ($45 per line for customers with Comcast's top X1 TV packages), or $12 per GB a month a la carte. The unlimited option has been reduced to $45 a month through July 31 for the network's first customers. A combination of Comcast's 16 million Wi-Fi hot spots and Verizon's network will supply coverage, and, as with Google's Fi technology, phones will automatically switch between Wi-Fi and cellular depending on network conditions. Xfinity Mobile customers have their choice of the iPhone, 7, 6S, and SE series, the Samsung Galaxy S8 and S7 series, and the LG X Power.