Dish Network is the latest in a series of new entrants that are gearing up for 5G as a result of other operators’ M&A. Like Iliad in Italy, Drillisch in Germany and others, Dish will gain network assets as a regulatory condition of a merger, in this case between T-Mobile USA and Sprint. Dish already owns significant tranches of spectrum, and has been promising to deploy a mobile network for some years, but gaining more spectrum, plus sites and Sprint’s Boost customer base, as a condition of the TMO purchase, will give it greater scale to mount a viable challenge to Verizon and AT&T. But it still has a considerable challenge on its hands to provide a true alternative to…