The mobile launches by the USA’s large cable operators have been gaining ground gradually rather than spectacularly, but Comcast, Charter and Altice are becoming strong players in the low end of the market, while Cox has re-entered the mobile space once again. The cablecos went through a phase, in the early years of the century, of seeking to buy their own spectrum while also partnering for infrastructure with Sprint. However, they backed away from this strategy, and their more recent mobile activities have largely been based on MVNO deals (Comcast and Charter, which also have a mobile cooperation and development alliance, work with Verizon; Altice with T-Mobile). They have participated in some recent auctions but their main efforts to reduce…