; and (B) any other entity that is authorized to use such frequencies shall make a good faith effort to coordinate the use of such frequencies with any such licensee, grantee, or entity with a covered authorization. (4) Protection from harmful interference (A) In general Not later than the date on which the rules issued pursuant to subsection (a) take effect, for any spectrum band in which the Commission grants a license under subsection (b)(1) or a grant of market access under subsection (c)(1) and for which the service rules require such a licensee or grantee or an entity with a covered authorization to share spectrum (except with respect to the use of a gateway station) with another such licensee, grantee, or entity with a covered authorization that is authorized to use the same frequencies of such spectrum, the Commission shall establish a quantifiable level of protection that (except with respect to the use of a gateway station) such a licensee or grantee shall afford to any other entity (including an entity with a covered authorization but not including a licensee of a license granted under subsection (b)(2) or a grantee of a grant of market access granted under subsection (c)(2)) that is authorized to use such frequencies. (B) Exceptions Subparagraph (A) shall not apply with respect to— (i) the spectrum between the frequencies of 1617.775 megahertz and 1618.725 megahertz, inclusive