ACJ9TAWX-CH457PAll-in-One Headset

Français English Operating Instructions All-in-One Headset Model No. WX-CH457P Before attempting to connect or operate this product, please read these instructions carefully and save this manual for future use. No model number suffix is shown in this Operating Instructions. PUQX1020YA WX-CH457P_PUQX1020ZAV1.indb 12021/07/02 14:31:21 2 FEDERAL COMMUNICATIONS COMMISSION / INDUSTRY CANADA INTERFERENCE STATEMENT Note: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. This transmitter must not be co-located or operated in conjunction with any other antenna or transmitter. The available scientific evidence does not show that any health problems are associated with using low power wireless devices. There is no proof, however , that these low power wireless devices are absolutely safe. Low power Wireless devices emit low levels of radio frequency energy (RF) in the microwave r ange while being used. Whereas high le vels of RF can produce health effects (by heating tissue), exposure of low-level RF that does not produce heating effects causes no known adverse health effects. Many studies of low-level RF exposures have not found any biological effects. Some studies ha ve suggested that some biological effects might occur, b ut such findings have not been confirmed by additional research. WX-CH457P has been tested and found to comply with FCC/IC radiation exposure limits set for th for an uncontrolled environment and meets the FCC radio frequency (RF) Exposure Guidelines and RSS-102 of the IC radio frequency (RF) Exposure rules. FCC CAUTION Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This device complies with Par t 15 of FCC Rules. Operation is subject to the following tw o conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. ENGLISH VERSION Safety precautions WX-CH457P_PUQX1020YAV1.indb 22021/07/06 13:30:46 English 3 WARNING: ppTo reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture. ppThe apparatus should not be exposed to dripping or splashing and that no objects filled with liquids, such as vases, should be placed on the apparatus. ppAll work related to the installation of this product should be made by qualified service personnel or system installers. ppThe risk of hearing impairment due to exposure to excessive sound levels may be reduced by listening at lower volumes and for shorter durations. Excessive sound pressure from All-in-one headset can cause hearing loss. Do not use your headset at high volume. ppOperating near 1.9 GHz electrical appliances may cause interference. Move away from the electrical appliances. ppThis transmitter must not be co-located or operated in conjunction with any other antenna or transmitter. ppMEDICAL: Consult the manufacturer of any personal medical devices, such as pacemakers, to determine if they are adequately shielded from external RF (radio frequency) energy. (The unit operates in the frequency range of 1.92 GHz to 1.93 GHz, and the power output level is 115 mW (max.).) Do not use the unit in health care facilities if any regulations posted in the area instruct you not to do so. Hospitals or health care facilities may be using equipment that could be sensitive to external RF (radio frequency) energy. ppBatteries (battery pack or batteries installed) shall not be exposed to excessive heat such as sunshine, fire or the like. CAUTION: ppDanger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type. ppThese servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so. ppAny changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. pp The battery used in this device may present a risk of fire or chemical burn if mistreated. Do not disassemble, heat above +40 °C {104 °F}, or incinerate. Replace battery with WX-SB100 only. Use of another battery may present a risk of fire or explosion. ppDispose of used battery promptly. Keep away from children. Do not disassemble and do not dispose of in fire. WX-CH457P_PUQX1020ZAV1.indb 32021/07/02 14:31:22 4 The model number and serial number of this product may be found on the surface of the unit. You should note the model number and serial number of this unit in the space provided and retain this book as a permanent record of your purchase to aid identification in the event of theft. Model No. Serial No. For U.S.A. ICES-003 CAN ICES-003(A)/NMB-003(A) For Canada Safety precautions Descriptions of graphic symbols This symbol indicates caution symbol. This symbol instructs user to comply with the contents of the Operating Instructions. RSS-Gen ppUnder Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the equivalent isotropically radiated power …

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Panasonic Corporation of North America Date: July 9, 2021 Product Safety & Compliance Department Ref. no.: PMBF-19-F005 Two Riverfront Plaza, 9 th Floor Newark, NJ 07102-5490 U.S.A. Letter of Agency for FCC Certification Sep. 25, 2019 To whom it may concern, Letter of Agency I, an officer of Ben Botros do hereby authorize Intertek Testing Services (Mr. Terry Chan / Koo Wai Ip / Kenneth Wong / Melvin Nip / Jess Tang) to act on our behalf in front of the Federal Communications Commission with respect to all matters relating to certification of equipment of the FCC Rules until further notice. I further certify that no party (as defined in §1.2002(b) of CFR 47, 2004) to this application, including myself, is subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C., 862. Regards, Ben Botros Project Manager

Panasonic Corporation of North America Two Riverfront Plaza, Newark, NJ 07102-5490 Tel/Fax: 201-348-7760 / [email protected] Request for Permanent Confidentiality July 26, 2021 PMBF-21-F009 Federal Communications Commission Authorization and Standards Division 7435 Oakland Mills Road Columbia, MD 21046 USA Subject: Original Application for Panasonic All-in-One Headset, Model WX-CH457P under FCC ID: ACJ9TAWX-CH457P To whom it may concern: Pursuant to the provisions of Sections 0.457 and 0.459 of the Commission’s rules (47 CFR §§ 0.457, 0.459), we are requesting the Commission to withhold the following attachments as permanent confidential document from public disclosure: Theory of Operation Block Diagram Schematics Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. . Sincerely, Ben Botros Manager – Regulatory & Compliance Panasonic Corporation of North America

INTERTEK TESTING SERVICES External Photos FCC ID: ACJ9TAWX-CH457P IC: 216A-WXCH457P INTERTEK TESTING SERVICES External Photos FCC ID: ACJ9TAWX-CH457P IC: 216A-WXCH457P \

INTERTEK TESTING SERVICES Internal photos FCC ID: ACJ9TAWX-CH457P IC: 216A-WXCH457P INTERTEK TESTING SERVICES Internal photos FCC ID: ACJ9TAWX-CH457P IC: 216A-WXCH457P INTERTEK TESTING SERVICES Internal photos FCC ID: ACJ9TAWX-CH457P IC: 216A-WXCH457P INTERTEK TESTING SERVICES Internal photos FCC ID: ACJ9TAWX-CH457P IC: 216A-WXCH457P INTERTEK TESTING SERVICES Internal photos FCC ID: ACJ9TAWX-CH457P IC: 216A-WXCH457P INTERTEK TESTING SERVICES Internal photos FCC ID: ACJ9TAWX-CH457P IC: 216A-WXCH457P INTERTEK TESTING SERVICES Internal photos FCC ID: ACJ9TAWX-CH457P IC: 216A-WXCH457P INTERTEK TESTING SERVICES Internal photos FCC ID: ACJ9TAWX-CH457P IC: 216A-WXCH457P

TEST REPORT 2/F., Garment Centre, 576 Castle Peak Road, Kowloon, Hong Kong. Telephone: (852) 2173 8888 Facsimile: (852) 2785 5487 www.intertek.com Intertek’s standard Terms and Conditions can be obtained at our website http://www.intertek.com/terms/. The test report only allows to be revised within the retention period unless further standard or the requirement was noticed. This report is for the exclusive use of Intertek's Client and is provided pursuant to the agreement between Intertek and its Client. Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this report. Only the Client is authorized to permit copying or distribution of this report and then only in its entirety. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test results in this report are relevant only to the sample tested. This report by itself does not imply that the material, product, or service is or has ever been under an Intertek certification program. © 2017 Intertek Page 1 of 35 SPECIFIC ABSORPTION RATE (SAR) EVALUATION REPORT For All-in-One Headset Model Number: WX-CH457P Brand Name: Panasonic FCC ID: ACJ9TAWX-CH457P Prepared for Panasonic Corporation of North America Two Riverfront Plaza, 9th Floor, Newark, New Jersey, 07102-5490, United States PREPARED AND CHECKED BY: APPROVED BY: Signed On File Chan Tsz Yu, Ezra Assistant Engineer Date: April 28, 2021 Siu Yiu Nam, Edwin Senior Lead Engineer Date: April 28, 2021 TEST REPORT VTech Telecommunications Ltd. Intertek Report No: 21030256HKG-001.doc Page 2 of 35 TABLE OF CONTENTS 1 Test Result Summary .............................................................................................................................. 3 2 General Information ............................................................................................................................... 4 3 SAR Measurement System Description ................................................................................................. 7 4 Tissue Verificaiton ................................................................................................................................ 15 5 SAR Measurement System Verification ............................................................................................... 18 6 SAR Evaluation ...................................................................................................................................... 20 7 Test Equipment List .............................................................................................................................. 30 8 Measurement Uncertainty ................................................................................................................... 31 9 E-Field Probe and Dipole Antenna Calibration .................................................................................... 31 APPENDIX A – System Check Data ........................................................................................................... 32 APPENDIX B – SAR Evaluation Data ......................................................................................................... 33 APPENDIX C – E-Field Probe and Dipole Antenna Calibration ................................................................. 34 TEST REPORT VTech Telecommunications Ltd. Intertek Report No: 21030256HKG-001.doc Page 3 of 35 1. TEST RESULT SUMMARY The maximum spatial peak SAR value for the sample device averaged over 1g was found to be: Band Operating Mode TX Frequency (MHz) Highest Reported SAR 1 g Head 1.9GHz DECT Voice 1921.536 – 1928.448 0.022 W/kg This wireless portable device has been shown to be capable of compliance for localized specific absorption rate (SAR) for uncontrolled environment / general population exposure limits specified in ANSI/IEEE C95.1. Applicant: Panasonic Corporation of North America Applicant Address: Two Riverfront Plaza, 9th Floor, Newark, New Jersey, 07102-5490, United States Model: WX-CH457P Brand Name: Panasonic Serial Number: N/A FCC ID: ACJ9TAWX-CH457P Test Device: Production Unit Exposure Category: General Population/Uncontrolled Exposure Date of Test: April 27, 2021 Place of Testing: Intertek Testing Services Hong Kong Unit 3, G/F, World-Wide Industrial Centre, 43-47 Shan Mei Street, Fo Tan, Sha Tin. Environmental Conditions: Temperature: +18 to 25°C Humidity 25 to 75% Test Specification: ANSI/IEEE C95.1 IEEE Std 1528: 2013 FCC KDB Publication 447498 D01 v06 FCC KDB Publication 865664 D01 v01r04 FCC KDB Publication 865664 D02 v01r02 FCC KDB Publication 648474 D04 v01r03 TEST REPORT VTech Telecommunications Ltd. Intertek Report No: 21030256HKG-001.doc Page 4 of 35 2. GENERAL INFORMATION 2.1. Description of Equipment under test (EUT) *Note: 1. DECT has a TDD/TDMA frame structure with a complete frame of 10ms duration with 24 time slots. And under these 24 time slots, the first 12 slots are allocated for the transmission from base station to handsets, and the other 12 slots are for the transmission from handsets to base station. During a call, the handset of this product will use one of 24 time slots to transmit under worst case, which gives a duty cycle of 1/24 ( = 4.17%). Manufacturer: Panasonic Corporation Manufacturer Address: 1-62, 4-Chome Minoshima, Hakata-ku, Fukuoka 812-8531 Japan Device dimension (L x W) : 165 (mm) x 152 (mm) Device thickness: 55 (mm) Antenna Gain: 2.14 dBi Operating Configuration(s) / mode: Held to head (Voice call) Tx Frequency (MHz): 1921.536MHz to 1928.448MHz Duty Cycle*: 1/24 H/W Version: N/A S/W Version: N/A Battery Type: 3.7VDC (1 x 3.7V 700mAh Lithium ion Battery Pack) - Model: Panasonic N4FUYYYY0046 TEST REPORT VTe…

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2/F., Garment Centre, 576 Castle Peak Road, Kowloon, Hong Kong SAR, China. Telephone: (852) 2173 8888 Facsimile: (852) 2785 5487 www.intertek.com Intertek’s standard Terms and Conditions can be obtained at our website http://www.intertek.com/terms/. The test report only allows to be revised within the retention period unless further standard or the requirement was noticed. This report is for the exclusive use of Intertek's Client and is provided pursuant to the agreement between Intertek and its Client. Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this report. Only the Client is authorized to permit copying or distribution of this report and then only in its entirety. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test results in this report are relevant only to the sample tested. This report by itself does not imply that the material, product, or service is or has ever been under an Intertek certification program. © 2017 Intertek Page 1 of 51 TEST REPORT Report Number: 21030255HKG-001 Application For Original Grant of 47 CFR Part 15 Certification Unlicensed Personal Communication Service Devices (All-in-One Headset) FCC ID: ACJ9TAWX-CH457P Prepared and Checked by: Approved by: Signed On File Leung Chiu Kuen, Stanley Engineer Tang Kwan Mo, Jess Lead Engineer Date: April 27, 2021 TEST REPORT Panasonic Corporation of North America Intertek Report No: 21030255HKG-001 Page 2 of 51 GENERAL INFORMATION Grantee: Panasonic Corporation of North America Grantee Address: Two Riverfront Plaza, 9th Floor, Newark, New Jersey, 07102-5490, United States FCC Specification Standard: FCC Part 15, October 1, 2019 Edition FCC ID: ACJ9TAWX-CH457P FCC Model(s): WX-CH457P Type of EUT: Unlicensed Personal Communications Service Devices Description of EUT: All-in-One Headset Serial Number: N/A Sample Receipt Date: March 04, 2021 Date of Test: March 04, 2021 - April 21, 2021 Report Date: April 27, 2021 Environmental Conditions: Temperature: +10 to 40°C Humidity: 10 to 90% Conclusion: Test was conducted by client submitted sample. The submitted sample as received complied with the 47 CFR Part 15 Certification. TEST REPORT Panasonic Corporation of North America Intertek Report No: 21030255HKG-001 Page 3 of 51 TABLE OF CONTENTS 1.0 TEST RESULTS SUMMARY & STATEMENT OF COMPLIANCE ............................................ 5 1.1 Summary of Test Results ................................................................................................ 5 1.2 Statement of Compliance .............................................................................................. 6 2.0 GENERAL DESCRIPTION ................................................................................................ 7 2.1 Product Description......................................................................................................... 7 2.2 Technical Description ...................................................................................................... 7 2.3 Test Methodology ........................................................................................................... 7 2.4 Test Facility ..................................................................................................................... 7 3.0 SYSTEM TEST CONFIGURATION .................................................................................... 8 3.1 Justification ..................................................................................................................... 8 3.2 Radiated Emission Test Setup ......................................................................................... 9 3.3 AC Line Conducted Emission Test Setup ........................................................................ 10 3.4 Conducted Emission Test Configuration ........................................................................ 11 3.5 Conducted Monitoring and Operational Test Configuration ......................................... 11 3.6 EUT Exercising Software ................................................................................................ 11 3.7 Details of EUT and Description of Accessories ............................................................... 12 3.8 Measurement Uncertainty ............................................................................................ 12 4.0 MEASUREMENT RESULTS ........................................................................................... 13 4.1 Antenna Requirement ................................................................................................... 13 4.2 Digital Modulation Techniques...................................................................................... 13 4.3 Emission Bandwidth ...................................................................................................... 14 4.4 Directional Gain of the Antenna .................................................................................... 16 4.5 Peak Transmit Power .................................................................................................... 17 4.6 Power Spectral Density ................................................................................................. 19 4.7 Automatic Discontinuation of Transmission .................................................................. 21 4.8 Unwanted Emission Inside the Sub-Band ...................................................................... 22 4.9 Emissions Outside the Sub-Band ................................................................................... 25 4.9.1 Radiated Emissions Configuration Photographs .............................…

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INTERTEK TESTING SERVICES The Worst Case Configuration Photographs FCC ID: ACJ9TAWX-CH457P IC: 216A-WXCH457P Radiated Emission Front View Rear View

INTERTEK TESTING SERVICES The Worst Case Configuration Photographs FCC ID: ACJ9TAWX-CH457P IC: 216A-WXCH457P Figure 1 – Right Cheek Figure 2 – Left Cheek