The enterprise field is quickly becoming the most intense battleground between the big three US cellcos as they strive for distinctive positioning around their perceived strengths. T-Mobile has been the most vociferous recently because it is starting from the lowest base of 10%, compared with its 25% of total wireless subscriptions in the country, and is desperate to register customer gains against both AT&T and Verizon. This has led to various recent moves, including the unveiling early March 2021 of T-Mobile WFX, comprising three packages designed to tap into the rise in home working and remote collaboration during the Covid-19 pandemic. These are T-Mobile Enterprise Unlimited, T-Mobile Home Office Internet, and T-Mobile Collaborate, the latter involving a partnership with San…