AT&T ‘respectfully’ disagreed with arguments T-Mobile made in a D...
AT&T “respectfully” disagreed with arguments T-Mobile made in a Dec. 22 letter urging the re-auction of the 700 MHz D-block for commercial use, in an ex parte letter to the FCC. “AT&T believes that 10 MHz of spectrum will…
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be inadequate for public safety’s future capacity needs,” the carrier said: “The full 20 MHz (10+10) allocation of 700 MHz spectrum will be needed to meet public safety demands over the next decade and beyond.” AT&T disputed T-Mobile arguments that public safety has 100 MHz of spectrum available that could be used for broadband. The 50 MHz public safety has in the 4.9 GHz block “is not suitable for mobile use and cannot replicate the advantages to public safety offered by the 700 MHz spectrum band, that is, superior propagation, better line of sight capabilities, greater call density capability.” AT&T said 50 MHz of narrowband spectrum proposed by T-Mobile “is also not practical for public safety use. They noted that 10 MHz of the spectrum is below 200 MHz, which is too low for broadband use. And, 18 MHz of the spectrum is already allocated to narrowband Land Mobile Radio (LMR) systems. This LMR spectrum would be very difficult to reallocate for broadband use and does not contain the large segments of contiguous spectrum that is generally required for broadband technologies like LTE.”