Sprint plans to launch a 5G network by late 2019

Sprint announced plans today to develop and launch a 5G network and devices by the end of 2019, in partnership with Qualcomm and SoftBank.
Sprint’s announcement is incredibly lacking when it comes to details, however. Besides the “late 2019” date, the release notes that the carrier is looking to develop its 5G network in the 2.5GHz band of spectrum (E-UTRA LTE Band 41, to be precise), meaning that Sprint doesn’t seem to be pursing millimeter wave for 5G at this time. But