FCC Record, Volume 27, No. 5, Pages 3728 to 4696, April 9 - April 27, 2012 Page: 3,734
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Federal Communications Commission DA 12-550
5. ASC C63 recently adopted an updated version of ANSI C63.19 (the "2011 ANSI
Standard"). The 2011 ANSI Standard was published on May 27, 2011,6 and ASC C63 subsequently
requested that the Commission adopt this newer version of the standard into its rules.7 The 2011 ANSI
Standard expands the operating frequency range for covered wireless devices to 698 MHz - 6 GHz.8 It
also establishes a direct method for measuring the RF interference level of wireless devices to hearing
aids, which enables testing procedures to be applied to operations over any RF air interface or protocol."
In addition, the 2011 ANSI Standard exempts from testing certain low power transmitters that are
unlikely to cause unacceptable RF interference to hearing aids and deems those transmitters to meet an
acceptable M rating.'o
6. To ensure that the hearing aid compatibility standard codified in the rules remains
current, the Commission has delegated to the Chief of WTB and the Chief of OET limited authority to
update its rules as revisions to ANSI technical standard C63.19 are published." In particular, the
Commission delegated the authority to conduct a notice-and-comment rulemaking proceeding on the use
of future versions of the standard that do not raise major compliance issues.'2 In addition, the
Commission delegated authority to the Chief of WTB and the Chief of OET to conduct rulemaking
proceedings to adopt future versions of the ANSI Standard that add frequency bands or air interfaces not
covered by previous versions, if the new version does not impose materially greater obligations than those
imposed on services already subject to the hearing aid compatibility rules.13 Under Section 20.19(k)(l),
WTB and OET shall set an effective date for new obligations imposed on manufacturers and Commercial
Mobile Radio Service (CMRS) providers as a result of their adoption of technical standards for additional
frequency bands and air interfaces that is no less than one year after release of the order for manufacturers
and Tier I carriers'4 and no less than 15 months after release for other service providers.'
6 See Accredited Standards Committee C635 - Electromagnetic Compatibility, American National Standard
Methods of Measurement of Compatibility between Wireless Communications Devices and Hearing Aids, ANSI
C63.19-2011 (May 27, 2011). The standard is available for purchase from IEEE Operations Center, 445 Hoes Lane,
Piscataway, NJ 08854-4141, by calling (732) 981-0060, or going to http://www.ieee.org. A copy of the standard is
also available for inspection at the Federal Communications Commission (FCC), 445 12th St., SW., Reference
Information Center, Room CY-A257, Washington, DC 20554.
7 See Supplemental Report and Comments of ANSI ASC C63g, WT Docket Nos. 07-250, 01-309, 06-150, at 3 (June
24, 2011) (ASC C63c Supplemental Report).
8 See 2011 ANSI Standard at 13.
9 Id. at 12, 14-15. As a result of the change to a direct measurement methodology, the 2011 ANSI Standard is also
able to eliminate certain conservative assumptions that were incorporated into the 2007 ANSI Standard. Thus, for
example, it will be approximately 2.2 dB easier for a GSM phone to receive an M3 rating under the 201 1 ANSI
Standard. See ASC C63c Supplemental Report, Annex A at iv.
to 2011 ANSI Standard at 12-13; see ASC C63a Supplemental Report, Annex A at ii.
" See Amendment of the Commission's Rules Governing Hearing Aid Compatible Mobile Handsets, WT Docket
No. 07-250, Second Further Notice of Proposed Rulemaking. 26 FCC Rcd 14991, 14993 4 (2011) (Second Further
Notice) (describing Commission's goal of ensuring that the hearing aid compatibility standard codified in the rules
would remain current).
12 47 C.F.R. 20.19(k)(2).
3 Id. 20.19(k)(1).
STier I carriers are CMRS providers with nationwide footprints. See Revision of the Commission's Rules to
Ensure Compatibility with Enhanced 911 Emergency Calling Systems; Phase II Compliance Deadlines for Non-
Nationwide Carriers, CC Docket No. 94-102, Order to Stay, 17 FCC Red 14841, 14843 7 (2002). Tier II carriers
are non-nationwide mid-sized CMRS providers with more than 500,000 subscribers as of the end of 2001. Tier III
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United States. Federal Communications Commission. FCC Record, Volume 27, No. 5, Pages 3728 to 4696, April 9 - April 27, 2012, book, April 2012; Washington D.C.. (digital.library.unt.edu/ark:/67531/metadc102307/m1/23/: accessed March 27, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.