Declaration Letter for HAC

FCC ID: IHDT56XC4

Cover Letter(s)

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FCCID_3776587

                                                   Motorola Mobility LLC
   Motorola Mobility LLC, 222 W. Merchandise Mart Plaza, Chicago, IIlinois 60654, United States
                                                       Tel: 847—687—6929 ; Fax: 954—337—2377

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


This device, with FCC ID: IHDTS6XC4, 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.


                                                                               Spcubtns                                MIE(CB)

                  10021         _                                   esmFroo(tmacMsg _ _|.                               a6s
                 —© 10025               i2                       EpeE—Fop (TDMA,VBPSK, TN 0)                           _ ars
                 roaeo                   .                .        UMTS—Fopweoma,AMR)          >           [   [ .     «p5as
                  10225 _                                 O cumMTe—Fop (HspAq)            _            .               <o.38
                Hor70                              O          LTEEDD(SC—FDMA,1RB,Z0MHz,16.QAM)         _             _ 7e _
                  10081 —                              . jeBE 802.11b WiFi 2.4 GHz (DSSS, 11 Mbps) _                  202
                  doorr             _        _|.       iEE2E 802119 WiFi 24 GHiz (DSSS/OFDM, 54 Mbps)                _ on _
                  10427 _                               1EEE 802.11n (HT Greeneld, 150 Mbps, 64:0AM)           10.     9844
                  10069     .                      \. 12822 802.1a/n WiFi 5 GHz (OFDM, 64 Mops)                       4ds _


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


Sincerely,




Jeff Narducci
narducci@motorola.com



Document Created: 2018-04-07 20:00:04
Document Modified: 2018-04-07 20:00:04

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