T2C-W78HV1DECT IP Phone

YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD. No.666 Hu'an Rd. Huli District Xiamen City, Fujian, P.R. China Tel: 86-592-5702000 Fax: 86-592-5702455 Email: [email protected] Date: 2024-06-14 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 To whom it may concern: The RF chip, model AB1565, installed in our product DECT IP Phone, Model: W78H, FCC ID: T2C-W78HV1, supports BDR (GFSK), EDR (π/4-DQPSK, 8DPSK) and BLE functions. For use in America and this chip will not support/enable BLE. The BLE has been shielded by the manufacturer using the software, the end user has no capability to activate it. Sincerely, Signature: Stone Lu Vice General Manager

YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD. No.666 Hu'an Rd. Huli District Xiamen City, Fujian, P.R. China Tel: 86-592-5702000 Fax: 86-592-5702455 Email: [email protected] CFR 47 §2.911(d)(5)(i) Attestation Letter Attestation Letter Date: 2024-06-14 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(i) Filing FCC ID: T2C-W78HV1 YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD. certifies that the equipment for which authorization is sought, is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, Signature: Stone Lu Vice General Manager

YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD. No.666 Hu'an Rd. Huli District Xiamen City, Fujian, P.R. China Tel: 86-592-5702000 Fax: 86-592-5702455 Email: [email protected] CFR 47 §2.911 (d)(5)(ii) Attestation Letter Attestation Letter Date: 2024-06-14 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(ii) Filing FCC ID: T2C-W78HV1 YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD. certifies that as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, Signature: Stone Lu Vice General Manager

U.S. AGENT LETTER OF ATTESTATION Date: 2024-06-14 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(7) Filing FCC ID: T2C-W78HV1 YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD. certifies that, as of the date of the filing of the application, Iconsigh Inc. is our designated U.S. agent for service of process for the above referenced FCC ID. YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD. accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission- related proceeding involving the equipment. Iconsigh Inc. accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Company Name: Iconsigh Inc. Address: 2310 Homestead Road, Suite C1, Los Altos, CA, 94024, USA FRN: 0033398652 Tel.: +1 (408) 320-9867 Email: [email protected] Signed by (printed name): Benjamin Kaur Signature: Applicant: YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD. Address: No.666 Hu'an Rd. Huli District Xiamen City, Fujian, P.R. China FRN: 0014702682 Tel: 86-592-5702000 Email: [email protected] Signed by (printed name): Stone Lu Signature:

YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD. No.666 Hu'an Rd. Huli District Xiamen City, Fujian, P.R. China Tel: 86-592-5702000 Fax: 86-592-5702455 Email: [email protected] QA-FR-170-B 7/29/2014 FCC Authorization Date: 2024-06-14 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD., the undersigned, hereby authorizes Bay Area Compliance Laboratories Corp. (Shenzhen) to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Bay Area Compliance Laboratories Corp. (Shenzhen) on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not 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. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signature: Stone Lu Vice General Manager

YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD. No.666 Hu'an Rd. Huli District Xiamen City, Fujian, P.R. China Tel: 86-592-5702000 Fax: 86-592-5702455 Email: [email protected] FCC Confidential Authorization Date: 2024-06-14 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: T2C-W78HV1 In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD. hereby requests long- term confidential treatment of information accompanying this application as outlined below:  Block Diagram  Schematics  Operation Description As well as short-term confidential treatment of information accompanying this application for a period of 180 days after grant is issued as outlined below:  Internal Photos  User’s Manual  External Photos  Test Set-up Photos The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely Yours, Signature Stone Lu Vice General Manager

Note: The information marked # is provided by the applicant, the laboratory is not responsible for its authenticity and this information can affect the validity of the result in the test report. Customer model name, addresses, names, trademarks etc. are included. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. This report must not be used by the customer to claim product certification, approval, or endorsement by NVLAP or any agency of the U.S. Government. This report may contain data that are not covered by the NVLAP accreditation and are marked with an asterisk “▼”. Bay Area Compliance Laboratories Corp. (Shenzhen) 5F(B-West) , 6F, 7F, the 3rd Phase of Wan Li Industrial Building D, Shihua Rd, FuTian Free Trade Zone, Shenzhen, China Tel: +86-755-33320018Fax: +86-755-33320008www.baclcorp.com.cn TR-EM-SA005 Page 1 of 73 Version 1.0 (2023/10/07) TEST REPORT Applicant Name: YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD. Address: No.666 Hu’an Rd,Huli District Ximen City, Fujian, P.R. China Report Number: 2401S53540-SAA FCC ID: T2C-W78HV1 Test Standard (s) FCC 47 CFR part 2.1093 Sample Description Product Type: DECT IP Phone Model No.: W78H Multiple Model(s) No.: N/A Trade Mark: Serial Number: 2JPN-1 Date Received: 2024/04/10 Date of Test: 2024/05/22 Issue Date: 2024/07/01 Test Result: Pass ▲ ▲In the configuration tested, the EUT complied with the standards above. Prepared and Checked By: Approved By: Sid Luo Luke Jiang SAR Engineer SAR Engineer Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: 2401S53540-SAA TR-EM-SA005 Page 2 of 73 Version 1.0 (2023/10/07) Attestation of Test Results EUT Information EUT Description DECT IP Phone Tested Model W78H Multiple Model(s) No.: N/A Trade Mark: FCC ID: T2C-W78HV1 Serial Number: 2JPN-1 Test Date: 2024/05/22 MODE Max. SAR Level(s) Reported(W/kg) Limit (W/kg) DECT 1g Head SAR 0.03 1.6 1g Body SAR 0.05 Applicable Standards FCC 47 CFR part 2.1093 Radiofrequency radiation exposure evaluation: portable devices IEEE1528:2013 IEEE Recommended Practice for Determining the Peak Spatial-Average Specific Absorption Rate (SAR) in the Human Head from Wireless Communications Devices: Measurement Techniques RF Exposure Procedures: TCB WorkshopApril2019 KDB procedures KDB 447498 D01 General RF Exposure Guidance v06 KDB 865664 D01 SAR Measurement 100 MHz to 6 GHz v01r04 KDB 865664 D02 RF Exposure Reportin g v01r02 Note: This wireless device has been shown to be capable of compliance for localized specific absorption rate (SAR) for General Population/Uncontrolled Exposure limits specified in FCC 47 CFR part 2.1093 and has been tested in accordance with the measurement procedures specified in IEEE 1528-2013 and RF exposure KDB procedures. The results and statements contained in this report pertain only to the device(s) evaluated. Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: 2401S53540-SAA TR-EM-SA005 Page 3 of 73 Version 1.0 (2023/10/07) TABLE OF CONTENTS DOCUMENT REVISION HISTORY .......................................................................................................................... 4 EUT DESCRIPTION ..................................................................................................................................................... 5 TECHNICAL SPECIFICATION .......................................................................................................................................... 5 REFERENCE, STANDARDS, AND GUILDELINES ................................................................................................ 6 SAR LIMITS .................................................................................................................................................................. 6 FACILITIES ................................................................................................................................................................... 7 DESCRIPTION OF TEST SYSTEM ........................................................................................................................... 8 EQUIPMENT LIST AND CALIBRATION .............................................................................................................. 15 EQUIPMENT’S LIST & CALIBRATION INFORMATION ................................................................................................... 15 SAR MEASUREMENT SYSTEM VERIFICATION ............................................................................................... 16 LIQUID VERIFICATION ................................................................................................................................................ 16 SYSTEM ACCURACY VERIFICATION ............................................................................................................................ 17 SAR SYSTEM VALIDATION DATA ...................................................................................................................... 18 EUT TEST STRATEGY AND METHODOLOGY .................................................................................................. 19 TEST POSITIONS FOR DEVICE OPERATING NEXT TO A PERSON’S EAR ........................................................................ 19 CHEEK/TOUCH POSITION ............................................................................................................................................ 20 EAR/TILT POSITION .................................................................................................................................................... 20 TEST POSITIONS FOR BODY-WORN AND OTHER CONFIGURATIONS ........................................................................…

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Antenna Specification SpecificationsSummary 天线类型 / ANT Type: PIFA 天线型号 / ANT Model: 1.9G-ANT0 1900 MHz 0.79 dBi1920 MHz 1.17dBi Center Frequency 1930 MHz 1.05dBi ITEM SPEC. 1880 MHz 0.42 dBi MAX. GAIN 1.17 dBi 制造商 / Manufactory: YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD.No.666 Hu’an Rd,Huli District Ximen City, Fujian, P.R. China 天线图 /ANT Photo 1880MHz 3D Antenna pattern 2D Antenna pattern （ X->Y;X->Z;Y->Z) 1900MHz 3D Antenna pattern 2D Antenna pattern （ X->Y;X->Z;Y->Z) 1920MHz 3D Antenna pattern 2D Antenna pattern （ X->Y;X->Z;Y->Z) 1930MHz Point Values Minimum Gain (dBi) Maximum Gain (dBi) Average Gain (d Bi) Frequency (MHz) 1880 -07.5030 0.42419 -2.96605 1900 -07.8971 0.79237 -2.71079 1920 -08.0593 1.17208 -2.48230 1930 -08.4438 1.04652 -2.52772 3D Antenna pattern 2D Antenna pattern （ X->Y;X->Z;Y->Z)

Antenna Specification SpecificationsSummary 天线类型 / ANT T yp e: PIFA 天线型号 / ANT Model: 1.9G-ANT1 ITEM SPEC. Center Frequency 1880 MHz 0.48 dBi1900 MHz 0.96 dBi1920 MHz 1.60dBi1930 MHz 1.71dBi 1.71 dBi 制造商 / Manufactor y : MAX. GAIN YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD.No.666 Hu’an Rd,Huli District Ximen City, Fujian, P.R. China yp y 天线图 /ANT Photo ,y,j, 1880MHz 3D Antenna pattern 2D Antenna pattern （ X->Y;X->Z;Y->Z) 1900MHz 3D Antenna pattern 2D Antenna pattern （ X->Y;X->Z;Y->Z) 1920MHz 3D Antenna pattern 2D Antenna pattern （ X->Y;X->Z;Y->Z) 1930MHz Point Values Minimum Gain (dBi) Maximum Gain (dBi) Average Gain (d Bi) Frequency (MHz) 1880 -13.6386 0.48397 -4.05471 1900 -12.5120 0.96396 -3.88674 1920 -12.8394 1.59947 -3.51178 1930 -13.2041 1.71044 -3.46151 3D Antenna pattern 2D Antenna pattern （ X->Y;X->Z;Y->Z)

Note: The information marked # is provided by the applicant, the laboratory is not responsible for its authenticity and this information can affect the validity of the result in the test report. Customer model name, addresses, names, trademarks etc. are included. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. This report must not be used by the customer to claim product certification, approval, or endorsement by NVLAP or any agency of the U.S. Government. This report may contain data that are not covered by the NVLAP accreditation and are marked with an asterisk “▼”. Bay Area Compliance Laboratories Corp. (Shenzhen) 5F(B-West) , 6F, 7F, the 3rd Phase of Wan Li Industrial Building D, Shihua Rd, FuTian Free Trade Zone, Shenzhen, China Tel: +86-755-33320018 Fax: +86-755-33320008 www.baclcorp.com.cn TR-EM-RF023 Page 1 of 96 Version 1.0 (2023/10/07) TEST REPORT Applicant Name: YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD. Address: No.666 Hu’an Rd,Huli District Ximen City, Fujian, P.R. China Report Number: 2401S53540-RFA FCC ID: T2C-W78HV1 IC: 10741A-W78HV1 Test Standard (s) FCC PART 15D; RSS-GEN ISSUE 5, FEBRUARY 2021 AMENDMENT 2; RSS-213, ISSUE 3, MARCH 2015 Sample Description Product Type: DECT IP Phone Model No.: W78H Multiple Model(s) No.: N/A Trade Mark: Date Received: 2024/04/10 Issue Date: 2024/07/01 Test Result: Pass ▲ ▲ In the configuration tested, the EUT complied with the standards above. Prepared and Checked By: Approved By: Bruce Lin Nancy Wang RF Engineer RF Supervisor Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2401S53540-RFA TR-EM-RF023 Page 2 of 96 Version 1.0 (2023/10/07) TABLE OF CONTENTS DOCUMENT REVISION HISTORY ......................................................................................................................... 4 GENERAL INFORMATION ....................................................................................................................................... 5 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 5 OBJECTIVE ................................................................................................................................................................... 5 TEST METHODOLOGY .................................................................................................................................................. 6 MEASUREMENT UNCERTAINTY .................................................................................................................................... 7 TEST FACILITY ............................................................................................................................................................. 7 SYSTEM TEST CONFIGURATION .......................................................................................................................... 8 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 8 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 8 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 8 EXTERNAL I/O CABLE .................................................................................................................................................. 8 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 8 SUMMARY OF TEST RESULTS ............................................................................................................................. 10 TEST EQUIPMENT LIST ......................................................................................................................................... 11 FCC §1.1307 & §2.1093 - RF EXPOSURE ................................................................................................................ 13 APPLICABLE STANDARD ............................................................................................................................................ 13 TEST RESULT ............................................................................................................................................................. 13 RSS-102 - RF EXPOSURE ......................................................................................................................................... 14 APPLICABLE STANDARD ............................................................................................................................................ 14 § 15.317, § 15.203 & RSS-GEN §6.8 ANTENNA REQUIREMENT ....................................................................... 15 APPLICABLE STANDARD ............................................................................................................................................ 15 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 15 § 15.315, § 15.207 & RSS-213 §5.4 CONDUCTED EMISSIONS ............................................................................ 16 APPLICABLE STANDARD ............................................................................................................................................ 16 EUT SETUP ............................................................................................................…

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