EW780-2313-00DECT 6.0 Cordless Telephone with Bluetooth - Handset

Specifications are subject to change without notice.© 2021 VTech Communications, Inc.All rights reserved. 01/21. IS8121-X_QSG_V1.0 Technical specifications Frequency control Crystal controlled PLL synthesizer Transmit frequency Handset: 1921.536-1928.448 MHzTelephone base: 1921.536-1928.448 MHz Channels DECT channel: 5 Nominal effective range Maximum power allowed by FCC and IC. Actual operating range may vary according to environmental conditions at the time of use. Power requirement Handset: 2.4 VDC, AAA x 2, Ni-MH batteryTelephone base: 6V DC @ 400mACharger: 6V DC @ 400mA Memory Phonebook: 1000 memory locations; up to 30 digits and 15 characters Caller ID log: 50 memory locations; up to 24 digits and 15 characters Call block: 1000 entries Go to www.vtechphones.com to register your product for enhanced warranty support and latest VTech product news. Quick start guide IS8121 IS8121-2 IS8121-3 IS8121-4 IS8121-5 DECT 6.0 Cordless telephone with BLUETOOTH® wireless technology PhonebookThe phonebook can store up to 1000 entries, which are shared by all handsets. Each entry may consist of a telephone number up to 30 digits, and a name up to 15 characters.Add a phonebook entry Review phonebook entries Delete a phonebook entry When your desired phonebook entry displays: Caller IDIf you subscribe to caller ID service, information about each caller appears after the first or second ring.The caller ID log stores up to 50 entries. Each entry has up to 24 digits for the phone number and 15 characters for the name.Review caller ID log entries Telephones identified with this logo have reduced noise and interference when used with most T-coil equipped hearing aids and cochlear implants. The TIA-1083 Compliant Logo is a trademark of the Telecommunications Industry Association. Used under license. T Compatible with Hearing Aid T-Coil TIA -1083 The ENERGY STAR ® program (www.energystar.gov) recognizes and encourages the use of products that save energy and help protect our environment. We are proud to mark this product with the ENERGY STAR ® label indicating it meets the latest energy efficiency guidelines. Volume Press  - OR - Put the handset in the telephone base or charger End a home call Answer a home call Make a home call 1  Press   - OR - 2   Enter the phone number. ECO HANDSET 10:15p M 12/25 10:15pm 12/25 595-9511_ ECO Enter number 595-9511_ ECO Enter name ECO Mike Smith ECO ECO HANDSET 10:15p M 12/25 Mike Smith 800-595-9511 ECO Mike Smith 800-595-9511 ECO Delete entry ? ECO ECO HANDSET 10:15p M 12/25 Dial a caller ID log entry When your desired caller ID entry displays on the handset screen:  Press    - OR - - OR - Save a caller ID log entry to the phonebook Delete a caller ID log entry When your desired caller ID entry displays on the handset screen: When your desired caller ID entry displays on the handset screen: Press  ECO Mike Smith 595-9511 NEW 09:05p M 12/25 ECO Mike Smith 595-9511 NEW 09:05p M 12/25 ECO Mike Smith 595-9511 NEW 09:05p M 12/25 >To Phonebook ECO Enter number 800-595-9511_ ECO Mike Smith_ ECO Important safety instructionsWhen using your telephone equipment, basic safety precautions should always be followed to reduce the risk of fire, electric shock and injury, including the following:1. Read and understand all instructions. 2. Follow all warnings and instructions marked on the product. 3. Unplug this product from the wall outlet before cleaning. Do not use liquid or aerosol cleaners. Use a damp cloth for cleaning. 4. Do not use this product near water such as near a bath tub, wash bowl, kitchen sink, laundry tub or a swimming pool, nor in a wet basement or shower. 5. Do not place this product on an unstable table, shelf, stand or other unstable surfaces. 6. Avoid placing the telephone system in places with extreme temperature, direct sunlight, or other electrical devices. Protect your phone from moisture, dust, corrosive liquids and fumes. 7. Slots and openings in the back or bottom of the telephone base and handset are provided for ventilation. To protect them from overheating, these openings must not be blocked by placing the product on a soft surface such as a bed, sofa or rug. This product should never be placed near or over a radiator or heat register. This product should not be placed in any area where proper ventilation is not provided. 8. This product should be operated only from the type of power source indicated on the marking label. If you are not sure of the type of power supply in your home or office, consult your dealer or local power company. 9. Do not allow anything to rest on the power cord. Do not install this product where the cord may be walked on. 10. Never push objects of any kind into this product through the slots in the telephone base or handset because they may touch dangerous voltage points or create a short circuit. Never spill liquid of any kind on the product. 11. To reduce the risk of electric shock, do not disassemble this product, but take it to an authorized service facility. Opening or removing parts of the telephone base or handset other than specified access doors may expose you to dangerous voltages or other risks. Incorrect reassembling can cause electric shock when the product is subsequently used. 12. Do not overload wall outlets and extension cords.13. Unplug this product from the wall outlet and refer servicing to an authorized service facility under the following conditions: • When the power supply cord or plug is damaged or frayed.• If liquid has been spilled onto the product.• If the product has been exposed to rain or water.• If the product does not operate normally by following the operating instructions. Adjust only those controls that are covered by the operation instructions. Improper adjustment of other controls may result in damage and often requires extensive work by an authorized technician to restore the product to normal operation. • If the product has been dropped and the telephone base and/or hands…

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Appendix B1 Letter of Agency for FCC Certification Nov. 11, 2020 To whom it may concern, Letter of Agency I, an officer of VTech Telecommunications Limited do hereby authorize Intertek Testing Services (Mr. Billy Chow/ Kenneth Wong/ Ms. Jess Tang) to act on our behalf in front of the Federal Communications Commission with respect to all matters relating to certification of equipment under Part 15 and/or Part 95 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, Michael Tsui Approbation Supervisor

VTech Telecommunications Ltd Nov. 11, 2020 To whom it may concern, Request for Permanent Confidentiality Under FCC Part 15 Certification FCC ID: EW780-2313-00 Request is hereby submitted by VTech Telecommunications Ltd. to withhold permanently from public review certain portions of the application for equipment certification for the referenced FCC identifiers. This request for confidentiality is made pursuant to 47 CFR § 0.457(d) and 0.459 of the FCC Rules. In particular, the following sections of the application are to be kept permanently confidential and VTech Telecommunications Ltd. reserves the right to discern which parties can obtain access to these information:  Schematics  Detailed Block diagrams  Detailed Operational/Functional Description The rationale for request for confidentiality is as followings: This information represents intellectual property of VTech Telecommunications Ltd . and it is subject to competition. We have invested considerable time and materials in research and development to produce the referenced product. Disclosure of the permanently confidential portions of this application to competitors would not only give them significant competitive advantages in developing similar products, but would also disclose successful implementation of unpublished, leading edge technology developed by us. If you have questions or need further information, please contact the undersigned. Regards, Michael Tsui Approbation Supervisor

VTech Telecommunications Ltd 03 January , 2021 To whom it may concern, Declarations FCC ID: EW780-2313-00 IC: 1135B-80231301 I, the undersigned, hereby declare that 1. The device does not use the provisions of 47CFR 15.323 (c) (6), random waiting mechanism is not used in this system. 2. The provisions of 47CFR 15.323 (c) (10) and 47CFR 15.323 (c) (11) are not used to extend the range of spectrum occupied over space or time for the purpose of denying fair access to spectrum to other devices. 3. Only the handset will act as the initiating device, which will initiate the establishment of the duplex connection. 4. The device complies with the provisions of 47CFR 15.319(f). The device shall automatically discontinue transmission in case of either absence of information to transmit or operational failure. These provisions are not intended to preclude transmission of control and signaling information or use of repetitive codes used by certain digital technologies to complete frame or burst intervals. The following table explains the reaction of device in case of either absence of information to transmit or operational failure after a connection of its companion device is established. Circumstances Reaction of Handset Unit 1 Switch-off companion device NA 2 On hook by companion device NA 3 Switch-off device NA 4 On hook on device side C 5 Remove power from device C 6 Remove power from companion device A A – Connection is terminated and, transmission ceases. B – Connection is terminated but device transmits control or signaling information. C – Connection is terminated but companion device transmits control or signaling information. NA – Not applicable represents the device does not contain a hook switch or a power off switch. 5. M L of handset declared by manufacturer are 30dBm. If you have questions or need further information, please contact the undersigned. Regards, Michael Tsui Approbation Supervisor

INTERTEK TESTING SERVICES External Photos FCC ID: EW780-2313-00 IC: 1135B-80231301 INTERTEK TESTING SERVICES External Photos FCC ID: EW780-2313-00 IC: 1135B-80231301

CAUTION Use Only Supplied Battery or Battery BT262342 FCC ID: EW780-2313-00IC: 1135B-80231301HVIN: 35-201511HS Model: IS8121SN: XXXXXXXXXXXXModel: IS8121-2SN: XXXXXXXXXXXXModel: IS8121-3SN: XXXXXXXXXXXXModel: IS8121-4SN: XXXXXXXXXXXX HS SN Label20X10 mm Model: IS8121-5SN: XXXXXXXXXXXX I.T.E. RINGER EQUIVALENCE: 0.1A HAC USOC JACK: RJ11C/RJ11W FCC ID : EW780-2313-00 IC: 1135B-80231300COMPLIES WITH 47 CFR PART 68 Reg. No.: US: EW7W401A80-231300HVIN: 35-201456BSDC 6V 400mA Model: IS8121 S/N: XXXXXXXXXXXXXXXXXXXX Model: IS8121-2 S/N: XXXXXXXXXXXXXXXXXXXX Model: IS8121-3 S/N: XXXXXXXXXXXXXXXXXXXX Model: IS8121-4 S/N: XXXXXXXXXXXXXXXXXXXX Model: IS8121-5 S/N: XXXXXXXXXXXXXXXXXXXX BS SN LABELSIZE:28*10mm IS8121 Engraving 6V Model: IS8102SN: XXXXXXXXXXXX

INTERTEK TESTING SERVICES Internal photos FCC ID: EW780-2313-00 IC: 1135B-80231301 INTERTEK TESTING SERVICES Internal photos FCC ID: EW780-2313-00 IC: 1135B-80231301 INTERTEK TESTING SERVICES Internal photos FCC ID: EW780-2313-00 IC: 1135B-80231301 INTERTEK TESTING SERVICES Internal photos FCC ID: EW780-2313-00 IC: 1135B-80231301

TEST REPORT 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 53 SPECIFIC ABSORPTION RATE (SAR) EVALUATION REPORT For DECT 6.0 Cordless Telephone with Bluetooth - Handset Unit Model Number: IS8121 Brand Name: vtech FCC ID: EW780-2313-00 Prepared for VTech Telecommunications Ltd. 23/F., Tai Ping Industrial Centre, Block 1, 57 Ting Kok Road, Tai Po, Hong Kong. PREPARED AND CHECKED BY: APPROVED BY: Signed On File Fengkai Bao, Kaye Test Engineer Shenzhen UnionTrust Quality and Technology Co., Ltd. Siu Yiu Nam, Edwin Senior Lead Engineer Intertek Testing Services Hong Kong Date: November 17, 2020 TEST REPORT VTech Telecommunications Ltd. Intertek Report No: 20101111HKG-001 Page 2 of 53 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 APPENDIX D – SAR SYSTEM VALIDATION ................................................................................................. 53 TEST REPORT VTech Telecommunications Ltd. Intertek Report No: 20101111HKG-001 Page 3 of 53 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 1g Head 1.9GHz DECT Voice 1921.536 – 1928.448 0.0883 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: VTech Telecommunications Ltd. Applicant Address: 23/F., Tai Ping Industrial Centre, Block 1, 57 Ting Kok Road, Tai Po, Hong Kong. Model: IS8121 Brand Name: vtech Serial Number: N/A FCC ID: EW780-2313-00 Test Device: Production Unit Exposure Category: General Population/Uncontrolled Exposure Date of Test: October 29, 2020 to November 11, 2020 Place of Testing: Shenzhen UnionTrust Quality and Technology Co., Ltd. 16/F., Block A, Building 6, Baoneng Science and Technology Park, Qingxiang Road No.1, Longhua New District, Shenzhen, China 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: 20101111HKG-001 Page 4 of 53 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: VTech (Dongguan) Telecommunications Limited Manufacturer Address: VTech Science Park, Xia Ling Bei Management Zone, Liaobu, Dongguan, Guangdong, China. Device dimension (L x W) : 19…

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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 50 TEST REPORT Report Number: 20101108HKG-002 Application For Original Grant of 47 CFR Part 15 Certification New Family of RSS-213 Issue 3 Equipment Certification Unlicensed Personal Communication Service Devices/ 2 GHz License-exempt Personal Communications Service Devices (Handset) FCC ID: EW780-2313-00 IC: 1135B-80231301 Prepared and Checked by: Approved by: Signed On File Leung Chiu Kuen, Stanley Engineer Tang Kwan Mo, Jess Lead Engineer Date: January 04, 2021 TEST REPORT VTech Telecommunications Ltd. Intertek Report No: 20101108HKG-002 Page 2 of 50 GENERAL INFORMATION Grantee: VTech Telecommunications Ltd. Grantee Address: 23/F., Tai Ping Industrial Centre, Block 1, 57 Ting Kok Road, Tai Po, Hong Kong. FCC Specification Standard: FCC Part 15, October 1, 2019 Edition FCC ID: EW780-2313-00 FCC Model(s): IS8121, IS8121-2, IS8121-3, IS8121-4, IS8121-5, IS812Z-XY, IS8102, IS8102-XY IC Specification Standard: RSS-213 Issue 3, March 2015 RSS-Gen Issue 5, April 2018 IC: 1135B-80231301 HVIN: 35-201511HS VTech Model(s): IS8121, IS8121-2, IS8121-3, IS8121-4, IS8121-5, IS8102 PMN: IS8121/IS8121-2/IS8121-3/IS8121-4/IS8121-5, IS8102 Type of EUT: Unlicensed Personal Communications Service Devices Description of EUT: DECT 6.0 Cordless Telephone with Bluetooth - Handset Serial Number: N/A Sample Receipt Date: October 29, 2020 Date of Test: October 29, 2020 to December 18, 2020 Report Date: January 04, 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 / RSS-213 Issue 3 Certification. TEST REPORT VTech Telecommunications Ltd. Intertek Report No: 20101108HKG-002 Page 3 of 50 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 2.4 Test Methodology ........................................................................................................... 7 2.5 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 ...........................................................…

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INTERTEK TESTING SERVICES The Worst Case Configuration Photographs FCC ID: EW780-2313-00 IC: 1135B-80231301 Radiated Emission Front View Rear View

INTERTEK TESTING SERVICES The Worst Case Configuration Photographs FCC ID: EW780-2313-00 IC: 1135B-80231301 Figure 1 – Right Cheek Figure 2 – Right Tilt INTERTEK TESTING SERVICES The Worst Case Configuration Photographs FCC ID: EW780-2313-00 IC: 1135B-80231301 Figure 3 – Left Cheek Figure 4 – Left Tilt