Declaration Letter for HAC

FCC ID: IHDT56XR3

Cover Letter(s)

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FCCID_4062173

Motorola Mobility LLC Motorola Mobility LLC, 222 W. Merchandise Mart Plaza, Chicago, Ilinois 60654, United States Tel: 847—687—6928 Declaration — MIF for HAC RF Interference Evaluation To whom it may concern: This device, with FCC ID: IHDT56XR3, 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. UID — ' 7' Gommunication System Name MIFE(IB) 10021 GSM—FDD(TDMA,GMSK) 3.63 10025 EDGE—FDD (TDMA, 8PSK, TN 0) 3.75 10460 UMTS—FDD(WCDMA, AMR) —2543 10225 UMTS—FDD (HSPA+) —20.39 10170 LTE—FDD(SC—FDMA, 1RB,20MHz,16—QAM) —9.76 10061 |EEE 802.11b WiFi 2.4 GHz (DSSS, 11 Mbps) ~2.02 10077 IEEE 802.11g WiFi 2.4 GHz (DSSS/OFDM, 54 Mbps) 0.12 10427 IEEE 802.11n (HT Greeneld, 150 Mbps, 64—QAM) ~13.44 We are confirming that the Speag simulation provided represents all the air interface modes applicable for a HAC rating for this handset. Sincerely, l «*4 CChR L0 _} y /#“ eAcllr L fié‘f Narduceci narducci@motorola.com


Document Created: 2019-03-26 15:15:56
Document Modified: 2019-03-26 15:15:56
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