Renewal Exhibit

0056-EX-CR-2018 Text Documents

T-Mobile License LLC

2018-02-05ELS_204304

                                                                                         Exhibit
                                                                         T-Mobile License LLC
                                                                  Experimental Station WI2XHR
                                                                                 FCC Form 405
                                                                        Application for Renewal

                 DESCRIPTION OF APPLICATION AND EXPERIMENT

T-Mobile License LLC (“T-Mobile”) hereby submits the attached application, requesting that the
Commission renew its experimental authorization covering Fifth Generation (“5G”) wireless
operations at locations in and around its Bellevue, Washington headquarters. Those operations
are conducted under the call sign WI2XHR. The Commission initially issued this authorization
on May 4, 2016, allowing T-Mobile to conduct experimental operations in and around its
facilities in Bellevue, Washington. On July 19, 2017, the Commission issued a modified
authorization for this station covering an increase in the Effective Radiated Power (“ERP”) of the
authorized transmitters.

T-Mobile seeks renewal of WI2XHR in order to continue to conduct testing of the signal
strength, transmission and reception characteristics and other parameters associated with using
millimeter wave spectrum in its planned 5G network. Such testing will further advance T-
Mobile’s understanding of 5G technologies and operations in the millimeter wave bands. T-
Mobile plans to continue its operations on a secondary basis and mitigate any interference caused
to primary users of the bands. T-Mobile requests that the Commission process the renewal
application, permitting T-Mobile to continue its 5G research efforts.



Document Created: 2018-02-05 10:10:16
Document Modified: 2018-02-05 10:10:16

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