Cover Letter

Zebra Technologies Corporation TC77HL Touch computer UZ7TC77HL UZ7TC77HL tc77hl

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Document DEVICE REPORTGetApplicationAttachment.html?id=4030250
Date: October 5, 2018

Regulatory Engineering

Federal Communications Commission Office of Engineering and Technology Equipment Authorization Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: FCC ID: UZ7TC77HL

AUTHORIZATION LETTER
We, the undersigned, hereby authorize Jones Tsai in Sporton International Inc. to act on our behalf in all manners relating to FCC application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by Jones Tsai in Sporton International Inc. on our behalf shall have the same effect as acts of our own. If you have any acknowledgement and response, please send it to Sporton International Inc. directly. Should you have any questions or comments regarding this matter, please don't hesitate to contact me.

Application for Class II Permissive Change
This is to request a Class II Permissive Change for FCC ID: UZ7TC77HL, Model: TC77HL (Date of Grant: 09/26/2018) The change filed under this application is: 1. Adding HAC Certification. Perform HAC testing for Over-the Top voice service which is operating over IP by pre-installed application. No hardware or radio change is made.

Confidentiality Request
Pursuant to sections 0.457 and 0.459 of CFR 47, Public Notice DA 04-1705 of the Commission's policy, and to avoid premature release of sensitive information prior to marketing or release of the product to the public, the applicant requests the following documents contained in this certification application be temporarily withheld from public disclosure for an initial period of 180 days:
 Test Setup Photos
It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued.
Zebra Technologies Corporation 1 Zebra Plaza, | Holtsville, NY 11742 | 1.631.738.2400 phone | 1.631.627.7179 fax | www. zebra.com

Regulatory Engineering Declaration - MIF for HAC RF Interference Evaluation
This device, with FCC ID: UZ7TC77HL, 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 10025 10225 10170 10172 10173 10174 10061 10077 10427 10069 10616

Communication System Name EDGE-FDD (TDMA, 8PSK, TN 0)
UMTS-FDD (HSPA+) LTE-FDD(SC-FDMA,1RB,20MHz,16-QAM) LTE-TDD (SC-FDMA, 1 RB, 20 MHz, QPSK) LTE-TDD (SC-FDMA, 1 RB, 20 MHz, 16-QAM) LTE-TDD (SC-FDMA, 1 RB, 20 MHz, 64-QAM) IEEE 802.11b WiFi 2.4 GHz (DSSS, 11 Mbps) IEEE 802.11g WiFi 2.4 GHz (DSSS/OFDM, 54 Mbps) IEEE 802.11n (HT Greeneld, 150 Mbps, 64-QAM) IEEE 802.11a/h WiFi 5 GHz (OFDM, 54 Mbps) IEEE 802.11ac WiFi (40MHz, MCS0, 90pc duty cycle)

MIF(dB) 3.75 -20.39 -9.76 -1.62 -1.44 -1.54 -2.02 0.12 -13.44 -3.15 -5.57

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

Signature

:

_______________________________

Name and Job Title. : Larry (Qianlin) Zhou / Regulatory Specialist

E-mail

: [email protected]

Tel.

: 346-260-3543

Zebra Technologies Corporation 1 Zebra Plaza, | Holtsville, NY 11742 | 1.631.738.2400 phone | 1.631.627.7179 fax | www. zebra.com



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