Declaration for HAC

FCC ID: IHDT56XQ3

Cover Letter(s)

Download: PDF
FCCID_4058729

                              Motorola Mobility LLC
   Motorola Mobility LLC, 222 W. Merchandise Mart Plaza, Chicago, Iflinois 60654, United
                                                      States
                                              Tel: 847—687—6928



                Declaration — MIF for HAC RF Interference Evaluation
To whom it may concern:


This device, with FCC ID: IHDT5GXQ3, Hearing Aid Compatibility Requirement is going to be
certified under ANSI C63.19 2011 version per Part 20.19.


For Radio Frequency Interference, Speag‘s Audio Interference Analyzer {AIA) or other indirect or
direct measurement was not used to determine the M rating.


The M rating was determined by measuring the maximum steady state average E—field values in dB
(V/m) or average antenna input power as documented in HAC test report exhibit, and adding the
MIF value in dB. The MIF values below for the worst—case operation mode for all air interfaces are
pre—determined values provided by Speag
        ib          :            Communicalion System Name                |   MIECGB)

                                    GSM—FDD{TDMA,GMSK)

       10025                    EDGE—FDD (TDMA, 8PSK, TN 0)                    3.75

       10460                       UMTS—FDD(WCDMA, AMR)                       2543

       102256                         UMTS—FDD (HSPA+)                        —20.39

       10170                LTE—FOD(SC—FDMA, 1RB,20MHz,16—QAM)                 —9.76

       10061               IEEE 802. 11b WiFi 2.4 GHz (DSSS, 11 Mbps)          —2.02

       10077            1EEE 802. 119 WiFI 2.4 GHz (DSSS/OFDM, 54 Mbps)        0.12

       10427             IEEE 802.11n (HT Greeneld, 150 Mbps, 64—QAM)         1344




We are confirming that the Speag simulation provided represents all the air interface modes
applicable for a HAC rating for this handset.


Sincerely,


   ikz
Jeff Narducci
narducci@motorola.com



Document Created: 2019-03-24 13:09:40
Document Modified: 2019-03-24 13:09:40

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