T-Mobile last week introduced the market’s newest 5G moniker: “Ultra Capacity.” The label, writes blog LightReading, will stew alongside “5G Ultra Wideband,” “Extended Range 5G,” “5G+,” “5Ge,” “5GTF,” “5G Nationwide” and plain-old “5G” in the US wireless industry, ensuring that if American mobile customers aren’t confused yet, it’s only a matter of time before they’re hopelessly bewildered by operators’ thesaurus-toting marketing…