Motorola HAC-MIF Cover Letter

FCC ID: IHDT56XR4

Cover Letter(s)

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FCCID_4262095

Motorola Mobility LLC 222 W. Merchandise Mart Plaza, Chicago, Illinois 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: IHDT5S6XR4, 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. GommunicationSystem Name _ viees 10021 GSM—FDD(TDMA.GMSK) . 3.63 10025 — EDGE—FDD (TDMA, BPSK, TN 0) 3.75 10460 . UMTS—FDD(WCDMA, AMR) J +2543 10225 _ | _ . UMTS—FDD (HSPA+) U ‘ —20.39 10081 CBMA2000 (1xRTT. RC3) _ #19.71 10295 ~ _CDMA2000 (1xRTT, RC1 S03, 1/8th Rate 25 fr.) 3.26 10403 CDMA2000 (1xEV—DO, Rev. 0) 47.67 10170 _ LTE—FDD(SC—FDMA, 1RB,20MHz, 16—QAM) _ ‘0.76 ©10172 LTE—TDD (SC—FDOMA, 1 RB, 20 MHz, aPrsk) 1.62 10173 _ LTE—TDD (SC—FDMA, 1 RB, 20 MHz, 16—QAM) 1.44 10174 — LTE—TDD (SC—FDMA, 1 RB, 20 MHz, 64—0AM) — 1.54 10061 IEEE 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 10069 ~ IEEE 802.11a/h WiFi 5 GHz (OFDM, 54 Mbps) 3.15

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: 2019-05-15 21:57:39
Document Modified: 2019-05-15 21:57:39
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