The USA’s CBRS (Citizens Broadband Radio Services) band in 3.5 GHz is discussed as a template for spectrum sharing and multi-tiered licensing schemes around the world, to the extent that it is easy to forget that nothing is yet running commercially in these frequencies. But the CBRS community is edging closer to the real world at last, with final FCC approval for service launches announced last week. That will enable commercial operations to start this month in the general access (GAA) or unlicensed portion of the spectrum, though licensed usage, via the Priority Access Licensing (PAL) tier, will not start until after FCC auctions next year. According to Federated Wireless – the most prominent of the five companies which have…