OFFICE OF ENGINEERING AND TECHNOLOGY, INTERNATIONAL, AND WIRELESS TELECOMMUNICATIONS BUREAUS SEEK COMMENT FOR REPORT ON THE FEASIBILITYOF ALLOWING COMMERCIAL WIRELESS SERVCIES, LICENCSED OR UNLICENSE, TO USE OR SHARE USE OF THE FREQUENCIES BETWEEN 3.7-4.2. (DA No. 18-446). (Dkt No 18-122 ). https://apps.fcc.gov/edocs_public/attachmatch/DA-18-446A1.pdf