For several years now, the US operators have been seeking to reset their relationships with their main tower companies, and while this process has been led by the two market leaders, AT&T and Verizon, T-Mobile USA is joining the game. It has announced a new long term agreement for macro and small cells with towerco Crown Castle. This bears many of the hallmarks of new-style relationships between operators and towercos, with a far wider range of sites and equipment included, and greater flexibility to align the contracts with changing RAN architectures, and to support cost reduction schemes. Since its merger with Sprint, TMO has acquired greater scale to be able to negotiate the same kind of deals with infrastructure providers…