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T-Mobile Keeps Its Low-Band Spectrum Powder Dry for 5G

February 08, 2019 / Dan Meyer

T-Mobile US has been aggressive in extending the reach of its 4G LTE network using its sub-1 GHz spectrum holdings, but the carrier is keeping the depth of that support rather shallow as it prepares to support its 5G roll out. Speaking to analysts during its most recent quarterly results conference call, T-Mobile US CTO Neville Ray explained that the carrier was using just 10 megahertz of its 600 MHz and 700 MHz spectrum resources to support its 4G LTE network. The carrier has varying amounts of that low-band spectrum across the country due to the specific licensing arrangements. “We have a national average of 30 megahertz, so in some markets we have 40 and in a few places we have 50 megahertz of 600 MHz and less in some than the 30,” Ray explained, according to a transcript of the call. “We’re retaining the balance of that spectrum for the 5G roll out.” T-Mobile US CEO John Legere added that it was not yet possible to dynamically allocate spectrum resourc...