A3LWCHA43MWi-Fi/BT Transceiver

Samsung Electronics Co Ltd WCHA43M We, Samsung Electronics Co Ltd The product: Wi-Fi/BT Transceiver Model No.: WCHA43M FCC ID: A3LWCHA43M IC: 649E-WCHA43M We declare that the module will only be sold to host integrators and not made available to the general public market. Company Name: Samsung Electronics Co Ltd Contact Name: Jenni Chun Title of Person: General Manager Address: 19 Chapin Rd., Building D, Pine Brook New Jersey, 07058 United States Date: 11/17/2025

Samsung Electronics Co Ltd Date: 11/17/2025 Federal Communications Commissions Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 RE: CFR 47 §2.911 (d)(5) Attestation FCC ID: A3LWCHA43M Grantee FRN: 0027908797 1. Samsung Electronics 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. 2. Samsung Electronics Co Ltd certifies that, the device does not have cybersecurity and / or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, identified on the Covered List installed on the device, nor will it be installed by the applicant anytime after certification. 3. Samsung Electronics 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 and is not an affiliate or subsidiary of an entity identified on the Covered List. Sincerely yours, Name: Jenni Chun Job Title: General Manager Company Name: Samsung Electronics Co Ltd

Samsung Electronics Co Ltd Date: 11/10/2025 Federal Communications Commissions Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 RE: CFR 47 §2.911 (d)(7) Agent Designation Attestation Grantee Code: A3L Grantee FRN: 0027908797 To whom it may concern: Samsung Electronics Co Ltd as required by section §2.911(d)(7), will also serve as the agent for service of process for the above referenced FCC Grantee Code. The applicant acknowledges that they will 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. The applicant further acknowledges their responsibility under CFR 47 §2.929(c) to inform the FCC whenever the agent information changes. Contact Person: Jenni Chun Company Name: Samsung Electronics Co Ltd FCC FRN: 0027908797 Company US Address: 19 Chapin Rd., Building D, Pine Brook New Jersey, 07058 United States Email: [email protected] Sincerely yours, Company Name: Samsung Electronics Co Ltd Contact Name: Jenni Chun Address: 19 Chapin Rd., Building D, Pine Brook New Jersey, 07058 United States

Samsung Electronics Co Ltd Date: 11/10/2025 UL Verification Services Inc. 47173 Benicia Street Fremont, CA 94538, USA To whom it may concern: I, the undersigned, hereby authorize UL Verification Services Inc. to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by UL Verification Services Inc. on our behalf shall have the same effect as acts of our own. I, 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 because of a conviction for possession or distribution of a controlled substance. In authorizing UL Verification Services Inc. as our representative, we still recognize that we are responsible to: a) fulfill the requirements for the scope of certification requested, including implementing any appropriate changes requested by UL Verification Services Telecommunications Certification Body (TCB) and / or the FCC; b) supply any and all information needed for the evaluation of the products for which certification is sought; c) make claims regarding certification only in respect of the scope for which certification has been granted; d) not use our product certification in such a manner as to bring the TCB or FCC into disrepute and to not make any statement regarding product certification which the TCB or FCC may consider misleading or unauthorized; e) discontinue use of all advertising matter that contains any reference thereto and complies with any and all actions required by the FCC upon suspension or cancellation of certification; f) use certification only to indicate that products are certified in conformity with specified standards; g) endeavor to ensure that no certificate or report or any part thereof is used in a misleading manner, and any copies of the grants/certificates shall be reproduced in their entirety; h) comply with the requirements of the TCB and FCC, including the use of marks and label information prescribed for the scope of certification, when making reference to product certification in communication media such as documents, brochure or advertisements; i) comply with the requirements for certification, supply any information needed for evaluation of products to be certified and, where applicable, make provision for the participation of observers; j) ensure that products marketed under the scope of the requested certification continue to comply with the certification requirements; k) provide a sample of a production unit for testing within 30 days of the request should this product be selected as part of either the TCB’s or the FCC’s market surveillance requirements; l) keep a record of all complaints relating to product’s compliance with requirements of relevant standard; make records available to UL or FCC when requested; take appropriate action with respect to such complaints and any deficiencies found in the product that affect compliance with requirements for certification; document the actions taken with respect to complaints and/or deficiencies; m) inform the TCB immediately of any changes that may affect its ability to comply with the certification requirements. This authorization is valid until further written notice from the applicant / specify date. Sincerely Yours, Company Name: Samsung Electronics Co Ltd Contact Name: Jenni Chun Title of Person: General Manager Address: 19 Chapin Rd., Building D, Pine Brook New Jersey, 07058 United States

Samsung Electronics Co Ltd Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 Subject: Request for Confidentiality FCC ID: A3LWCHA43M 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 confidential document from public disclosure indefinitely. Schematic Diagram Block Diagram Theory of Operation Turn-up procedure 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. 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. Best Regards Company Name: Samsung Electronics Co Ltd Contact Name: Jenni Chun Title of Person: General Manager Address: 19 Chapin Rd., Building D, Pine Brook New Jersey, 07058 United States Date: 11/17/2025

Samsung Electronics Co Ltd DATE : 2025-11-17 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Request for Short-Term Confidentiality Company name: Samsung Electronics Co Ltd FCC ID: A3LWCHA43M FCC Part 15 Certification Pursuant to Sections 0.457 and 0.459 of the commission rules, and in accordance with the FCC Public notice dated June 15, 2004 (DA 04-1705), we hereby request short-term confidentiality for the following items prior to marketing the device.: (1) Test Setup Photos (2) External Photos (3) Internal Photos (4) User Manual (5) WCHA43M_ANT Test set up The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of 180 days from the date of the Grant of Equipment Authorization and prior to marketing. This is to avoid premature release of sensitive information prior to marketing or release of the product to the public. Sincerely, Company Name: Samsung Electronics Co Ltd Contact Name: Jenni Chun Title of Person: General Manager Address: 19 Chapin Rd., Building D, Pine Brook New Jersey, 07058 United States

Modular Approval Request FCC (Per 15.212) FCC ID: A3LWCHA43M Items to be covered Answer From Applicant Comments 1. The radio elements of the modular transmitter must have their own shielding. The physical crystal and tuning capacitors may be located external to the shielded radio elements. Yes The EUT module contains its shield. 2. The modular transmitter must have buffered modulation/data inputs (if such inputs are provided) to ensure that the module will comply with part 15 requirements under conditions of excessive data rates or over-modulation. Yes The module’s transmitter chip utilizes buffered data inputs. 3. The modular transmitter must have its own power supply regulation. Yes The module contains its own power supply regulator chip. 4. The modular transmitter must comply with the antenna and transmission system requirements of §§ 15.203, 15.204(b) and 15.204(c). The antenna must either be permanently attached or employ a “unique” antenna coupler (at all connections between the module and the antenna, including the cable). The “professional installation” provision of § 15.203 is not applicable to modules but can apply to limited modular approvals under paragraph (b) of this section. Yes Please refer to WCHA44M Manual. 5. The modular transmitter must be tested in a stand-alone configuration, i.e., the module must not be inside another device during testing for compliance with part 15 requirements. Unless the transmitter module will be battery powered, it must comply with the AC line conducted requirements found in § 15.207. AC or DC power lines and data input/output lines connected to the module must not contain ferrites, unless they will be marketed with the module (see § 15.27(a)). The length of these lines shall be the length typical of actual use or, if that length is unknown, at least 10 centimeters to insure that there is no coupling between the case of the module and supporting equipment. Any accessories, peripherals, or support equipment connected to the module during testing shall be unmodified and commercially available (see § 15.31(i)). Yes Please refer to the test reports. 6. The modular transmitter must be equipped with either a permanently affixed label or must be capable of electronically displaying its FCC identification number. (A) If using a permanently affixed label, the modular transmitter must be labeled with its own FCC identification number, and, if the FCC identification number is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wording such as the following: “Contains Yes Please refer to Label and location / WCHA44M Manual. Transmitter Module FCC ID: XYZMODEL1” or “Contains FCC ID: XYZMODEL1.” Any similar wording that expresses the same meaning may be used. The Grantee may either provide such a label, an example of which must be included in the application for equipment authorization, or, must provide adequate instructions along with the module which explain this requirement. In the latter case, a copy of these instructions must be included in the application for equipment authorization. (B) If the modular transmitter uses an electronic display of the FCC identification number, the information must be readily accessible and visible on the modular transmitter or on the device in which it is installed. If the module is installed inside another device, then the outside of the device into which the module is installed must display a label referring to the enclosed module. This exterior label can use wording such as the following: “Contains FCC certified transmitter module(s).” Any similar wording that expresses the same meaning may be used. The user manual must include instructions on how to access the electronic display. A copy of these instructions must be included in the application for equipment authorization. 7. The modular transmitter must comply with any specific rules or operating requirements that ordinarily apply to a complete transmitter and the manufacturer must provide adequate instructions along with the module to explain any such requirements. A copy of these instructions must be included in the application for equipment authorization. Yes Please refer to WCHA44M Manual. 8. Radio frequency devices operating under the provisions of this part are subject to the radio frequency radiation exposure requirements specified in §§ 1.1307(b), 1.1310, 2.1091, and 2.1093 of this chapter, as appropriate. Applications for equipment authorization of modular transmitters under this section must contain a statement confirming compliance with these requirements. The modular transmitter must comply with any applicable RF exposure requirements in its final configuration. Technical information showing the basis for this statement must be submitted to the Commission upon request. Yes Please refer to the MPE report. Note: If compliance with one or more of the numbered requirements, listed above, cannot be demonstrated, it may be possible to obtain a “Limited Modular Approval” (LMA). Company Name: Samsung Electronics Co Ltd Contact Name: Jenni Chun Title of Person: General Manager Address: 19 Chapin Rd., Building D, Pine Brook New Jersey, 07058 United States Date: 11/17/2025

Note: 1. Product Label applied using permanent adhesive. It is user-accessible and non- detachable. 2. The FCC label statement will be included in the user manual which will be printed on a paper insert and sold with the device. Date Code Mac Address (Including S/N Information) Label Location

The results reported herein have been performed in accordance with the laboratory’s terms of accreditation. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report apply to the test sample(s) mentioned above at the time of the testing period only and are not to be used to indicate applicability to other similar products. FCC RF EXPOSURE REPORT For Wi-Fi/BT Transceiver MODEL NUMBER: WCHA43M REPORT NUMBER: 4791957143 4.1-RF-6 ISSUE DATE: December 22, 2025 FCC ID: A3LWCHA43M Prepared for FCC: Samsung Electronics Co., Ltd FCC: 19 Chapin Rd., Building D, Pine Brook New Jersey, 07058 United States Prepared by UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch Room 101, Building 2, No.4, Information Road, Songshan Lake, Dongguan, Guangdong, China Tel: +86 769 22038881 Fax: +86 769 33244054 Website: www.ul.com REPORT NO.: 4791957143 4.1-RF-6 Page 2 of 8 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0112 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Revision History Rev. Issue Date Revisions Revised By V0 December 22, 2025 Initial Issue REPORT NO.: 4791957143 4.1-RF-6 Page 3 of 8 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0112 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. TABLE OF CONTENTS 1. ATTESTATION OF TEST RESULTS .................................................................................... 4 2. TEST METHODOLOGY ........................................................................................................ 6 3. FACILITIES AND ACCREDITATION .................................................................................... 6 4. REQUIREMENT .................................................................................................................... 7 REPORT NO.: 4791957143 4.1-RF-6 Page 4 of 8 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0112 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. 1. ATTESTATION OF TEST RESULTS Applicant Information Company Name: FCC: Samsung Electronics Co., Ltd. Address: FCC: 19 Chapin Rd., Building D, Pine Brook New Jersey, 07058 United States Manufacturer Information Company Name: Samsung Electronics Co., Ltd Address: 129, SAMSUNG-RO, YEONGTON-GU, SUWON-SI, GYEONGGI-DO, 16677, Republic of Korea Factory Information Company Name 1: CHEMTRONICS Co.. Ltd Address: 35, Hyeongjero, Namsa-myeon, Cheoin-gu, Yongin-si, Gyeonggi- do, Republic of Korea Company Name 2: CHEMTROVINA COMPANYLIMITED Address: Nhon Trach 2 - Loc Khang IZ, Hiep Phuoc Town, Nhon Trach District, Dong Nai Province, Vietnan Company Name 3: SJIT VINA Co., Ltd Address: Lot X2, Ho Nai Industrial Zone, Ho Nai 3 Commune,Trang Bom District,Dong Nai Province, Vietnam Company Name 4: SJIT CO., LTD. Address: #54-11, Dongtanhana lgil, Hwaseong-si, Gyeonggi-Do, Korea Company Name 5: Chengdu Xuguang Technology Co., Ltd. Address: Building 1. Floors 1-2 and Building 2, Wenbai Avenue No.998, Baihe Street, Economic and Technological Development Zone ( Longquanyi District), (hengdu City, Sichuan Province, PR.China Company Name 6: XUGUANG TECHNOLOGY (VIETNAM) COMPANY LIMITED Address: Factory No.4, Lot CN1, An Duong Industrial Park, Hong Phong Commune, An Duong District, Hai Phong City, Vietnam EUT Information EUT Name: Wi-Fi/BT Transceiver Model: WCHA43M Brand: Samsung Sample Received Date: October 21, 2025 Sample Status: Normal Sample ID: 9044222 Date of Tested: November 6, 2025 to December 17, 2025 REPORT NO.: 4791957143 4.1-RF-6 Page 5 of 8 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0112 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. APPLICABLE STANDARDS STANDARD TEST RESULTS FCC 47CFR§2.1091 PASS KDB447498 D01 V06 PASS Prepared By: Checked By: Johnson Liu Fanny Huang Laboratory Engineer Project Engineer Approved By: Kebo Zhang Operations Leader REPORT NO.: 4791957143 4.1-RF-6 Page 6 of 8 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0112 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. 2. TEST METHODOLOGY The tests documented in this report were performed in accordance with FCC 47 CFR Part 2 Subpart J, section 2.1091 and KDB 447498 D01 General RF Exposure Guidance v06. 3. FACILITIES AND ACCREDITATION Accreditation Certificate A2LA (Certificate No.: 4102.01) UL Verification Services (Guangzhou) Co., Ltd. Song Shan Lake Branch. has been assessed and proved to be in compliance with A2LA. FCC (FCC Designation No.: CN1187) UL Verification Services (Guangzhou) Co., Ltd. Song Shan Lake Branch. Has been recognized to perform compliance testing on equipment subject to the Commission's Declaration of Conformity (DoC) and Certification rules. ISED (Company No.: 21320) UL Verification Services (Guangzhou) Co., Ltd. Song Shan Lake Branch. has been registered and fully described in a report filed with ISED. The Company Number is 21320 and the test lab Conformity Assessment Body Identifier (CABID) is CN0046. VCCI (Registration No.: C-20202, G-20240, R-20248 and T-20202) UL Verification Services (Guangzhou) Co., Ltd. Song Shan Lake Branch. has been assessed and proved to be in compliance with VCCI, the Membership No. is 3793. Facility Name: Chamber E, the VCCI registration No. is G-20240 and R-20248 Shielding Room F, the VCCI registration No. is C-20202 and T-20202 Note 1: All tests measurement f…

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The results reported herein have been performed in accordance with the laboratory’s terms of accreditation. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report apply to the test sample(s) mentioned above at the time of the testing period only and are not to be used to indicate applicability to other similar products. FCC 47 CFR PART 15 SUBPART C ISED RSS-247 Issue 4 TEST REPORT For Wi-Fi/BT Transceiver MODEL NUMBER: WCHA43M REPORT NUMBER: 4791957143 4.1-RF-2 ISSUE DATE: December 22, 2025 FCC ID: A3LWCHA43M IC: 649E-WCHA43M Prepared for FCC: Samsung Electronics Co., Ltd IC: SAMSUNG ELECTRONICS CO. LTD. FCC: 19 Chapin Rd., Building D, Pine Brook New Jersey, 07058 United States IC: 129, SAMSUNG-RO, YEONGTON-GU, SUWON-SI, GYEONGGI-DO, 16677, Republic of Korea Prepared by UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch Room 101, Building 2, No.4, Information Road, Songshan Lake, Dongguan, Guangdong, China Tel: +86 769 22038881 Fax: +86 769 33244054 Website: www.ul.com REPORT NO.: 4791957143 4.1-RF-2 Page 2 of 119 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0035 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Revision History Rev. Issue Date Revisions Revised By V0 December 22, 2025 Initial Issue REPORT NO.: 4791957143 4.1-RF-2 Page 3 of 119 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0035 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Summary of Test Results Test Item Clause Limit/Requirement Result Antenna Requirement N/A FCC 15.203 RSS-GEN Clause 6.8 Pass AC Power Line Conducted Emission ANSI C63.10-2020 Clause 6.2 FCC Part 15.207 Pass Conducted Peak Output Power ANSI C63.10-2020 Clause 7.8.5 FCC 15.247 (b) (1) RSS-247 Clause 6.2.3.2 Pass Conducted Average Output Power ANSI C63.10-2020 Clause 11.9.2.3.1 FCC 15.247 (b) (1) RSS-247 Clause 6.2.3.2 Pass 20 dB Bandwidth and 99% Occupied Bandwidth ANSI C63.10-2020 Clause 6.9.2 & 6.9.3 FCC 15.247 (a) (1) RSS-247 Clause 6.2.3.1 (a) RSS-Gen Clause 6.7 Pass Carrier Hopping Channel Separation ANSI C63.10-2020 Clause 7.8.2 FCC 15.247 (a) (1) RSS-247 Clause 6.2.3.1 (a) Pass Number of Hopping Frequency ANSI C63.10-2020 Clause 7.8.3 15.247 (a) (1) III RSS-247 Clause 6.2.3.1 (b) Pass Time of Occupancy (Dwell Time) ANSI C63.10-2020 Clause 7.8.4 15.247 (a) (1) III RSS-247 Clause 6.2.3.1 (b) Pass Conducted Bandedge and Spurious Emission ANSI C63.10-2020 Clause 6.10.4 & Clause 7.8.7 FCC 15.247 (d) RSS-247 Clause 6.6 Pass Radiated Band edge and Spurious Emission ANSI C63.10-2020 Clause 6.4 & 6.5 & 6.6 & 7.8.8 FCC 15.247 (d) FCC 15.209 FCC 15.205 RSS-247 Clause 6.6 RSS-GEN Clause 8.9 RSS-GEN Clause 8.10 Pass Duty Cycle ANSI C63.10-2020, Clause 11.6 None; for reporting purposes only. Pass Note: For ISED, this report is also performed according to ANSI C63.10-2020 + Cor.1-2023 + C63.10a-2024 + Errata to C63.10a-2024 standards. *This test report is only published to and used by the applicant, and it is not for evidence purpose in China. *The measurement result for the sample received is <Pass> according to <FCC 47 CFR PART 15 SUBPART C ISED RSS-247 Issue 4> when <Simple Acceptance> decision rule is applied. REPORT NO.: 4791957143 4.1-RF-2 Page 4 of 119 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0035 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. CONTENTS 1. ATTESTATION OF TEST RESULTS ...................................................................................... 6 2. TEST METHODOLOGY .......................................................................................................... 8 3. FACILITIES AND ACCREDITATION ...................................................................................... 8 4. CALIBRATION AND UNCERTAINTY ..................................................................................... 9 4.1. MEASURING INSTRUMENT CALIBRATION ............................................................ 9 4.2. MEASUREMENT UNCERTAINTY ............................................................................. 9 5. EQUIPMENT UNDER TEST .................................................................................................. 10 5.1. DESCRIPTION OF EUT ........................................................................................... 10 5.2. CHANNEL LIST ........................................................................................................ 10 5.3. MAXIMUM POWER .................................................................................................. 11 5.4. TEST CHANNEL CONFIGURATION ....................................................................... 11 5.5. THE WORSE CASE POWER SETTING PARAMETER .......................................... 11 5.6. DESCRIPTION OF AVAILABLE ANTENNAS .......................................................... 12 5.7. SUPPORT UNITS FOR SYSTEM TEST .................................................................. 13 6. MEASURING EQUIPMENT AND SOFTWARE USED ......................................................... 14 7. ANTENNA PORT TEST RESULTS ...................................................................................... 17 7.1. CONDUCTED OUTPUT POWER ............................................................................ 17 7.2. 20 DB BANDWIDTH AND 99% OCCUPIED BANDWIDTH ..................................... 18 7.3. CARRIER HOPPING CHANNEL SEPARATION ..................................................... 20 7.4. NUMBER OF HOPPING FREQUENCY ................................................................... 22 7.5. TIME OF…

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WCHA43M Passive Data 2025/09/ 25 1 1.Test Condition *WCHA43M Chip Antenna -Test Chamber: AplustechOTA Chamber (Address:R&D Building No.9, Main Park, TaohuayuanScience &Technology Innovation Park, Shenzhen, China) -Network Analyzer:ReturnLoss -3DPassive Chamber :GainandEfficiency -Measuredby Yangda Lai2025/09/25 TestCondition 2. TestEnvironment 2 Refer to WCHA43M_ANT Test set up. AntennaGainMeasurementProcedureandSoftware 3 -Test Frequency: Support400 MHz to 7.5 GHz -Chamber Size: 4mx2.5mx2.5m OTA measurement system -LTE Support ALL Band (FDD/TDD) -CDMA,GSM,WCDMA Support ALL Band -Passive Efficiency Measurement (400 MHz ~ 7.5GHz) -Test Plan for RF Performance Evaluation for LTE Mobile -Converged Devices -Test Plan for Wireless Device Over-the-Air Performance Support Measurement specifications ItemMeasuringInstrumentsLatest Calibration Schedule 1 OTA Chamber2024/12/01 2 Network Analyzer Keysight 5071c 2025/06/20 MeasuringInstruments 4 ElectricalCharacteristics 5 Item Specification ANT0 Specification ANT1 Specification BT0 Specification BT1 Antenna Type ChipAntennaChip Antenna ChipAntennaChipAntenna CentralFrequency 2440MHz5550MHz6175MHz6775MHz2440MHz5550MHz6175MHz6775MHz2440MHz2440MHz Band Width 80MHz700MHz500MHz700MHz80MHz700MHz500MHz700MHz80MHz80MHz PeakGain 0.05dBi -1.24dBi0.05dBi-1.45dBi-0.11dBi-1.30dBi-0.70dBi-0.40dBi-1.89dBi1.44dBi ReturnLoss <-8dB<-10dB<-10dB<-6dB Polarization LinearLinearLinearLinear AzimuthBeam width Omni-directionalOmni-directionalOmni-directionalOmni-directional Impedance 50Ω50Ω50Ω50Ω Dimension 12*5*0.55mm10.5*5*0.55mm8*3*0.55mm8*3*0.55mm 6 Passive test-Return Loss-WiFi ANT0ANT1 7 Passive test-Return Loss-BT BT0 BT1 8 FrequencyEfficiency Average Gain Max Gain VerHorTotalVerHorTotal 2400MHz24.96 %-11.63 dBi-7.43 dBi-6.03 dBi-1.93 dBi-1.16 dBi-0.25 dBi 2410MHz25.00 %-11.57 dBi-7.44 dBi-6.02 dBi-1.84 dBi-1.16 dBi-0.24 dBi 2420MHz25.12 %-11.54 dBi-7.42 dBi-6.00 dBi-1.86 dBi-1.04 dBi-0.16 dBi 2430MHz25.55 %-11.44 dBi-7.36 dBi-5.93 dBi-1.72 dBi-0.96 dBi-0.08 dBi 2440MHz25.96 %-11.32 dBi-7.31 dBi-5.86 dBi-1.64 dBi-0.83 dBi0.05 dBi 2450MHz26.13 %-11.31 dBi-7.27 dBi-5.83 dBi-1.62 dBi-0.84 dBi0.02 dBi 2460MHz25.77 %-11.30 dBi-7.36 dBi-5.89 dBi-1.60 dBi-0.91 dBi-0.04 dBi 2470MHz25.54 %-11.32 dBi-7.41 dBi-5.93 dBi-1.68 dBi-0.93 dBi-0.08 dBi 2480MHz25.80 %-11.22 dBi-7.39 dBi-5.88 dBi-1.62 dBi-0.99 dBi-0.15 dBi 5150MHz25.44 %-12.54 dBi-8.58 dBi-5.94 dBi-3.70 dBi-1.99 dBi-1.74 dBi 5250MHz26.95 %-12.00 dBi-7.79 dBi-5.69 dBi-4.08 dBi-1.51 dBi-1.29 dBi 5350MHz26.82 %-11.50 dBi-7.51 dBi-5.72 dBi-4.87 dBi-1.67 dBi-1.29 dBi 5450MHz27.43 %-11.34 dBi-7.43 dBi-5.62 dBi-4.13 dBi-1.74 dBi-1.24 dBi 5550MHz26.33 %-11.70 dBi-7.55 dBi-5.80 dBi-4.88 dBi-2.59 dBi-2.11 dBi 5650MHz27.26 %-11.57 dBi-7.38 dBi-5.64 dBi-4.88 dBi-2.27 dBi-2.20 dBi 5750MHz26.65 %-11.81 dBi-7.43 dBi-5.74 dBi-4.41 dBi-1.83 dBi-1.72 dBi 5850MHz27.23 %-11.62 dBi-7.36 dBi-5.65 dBi-4.14 dBi-1.56 dBi-1.37 dBi 5925MHz28.67 %-11.03 dBi-6.82 dBi-5.43 dBi-3.25 dBi-1.09 dBi-0.68 dBi 6075MHz26.81 %-10.82 dBi-7.32 dBi-5.72 dBi-3.39 dBi-1.38 dBi-1.02 dBi 6225MHz27.18 %-10.76 dBi-7.26 dBi-5.66 dBi-2.08 dBi-0.78 dBi-0.68 dBi 6375MHz27.19 %-10.79 dBi-7.24 dBi-5.66 dBi-1.60 dBi0.02 dBi0.05 dBi 6425MHz25.88 %-11.89 dBi-8.89 dBi-5.87 dBi-2.49 dBi-1.49 dBi-1.45 dBi 6675MHz25.54 %-12.91 dBi-9.26 dBi-5.93 dBi-3.65 dBi-3.03 dBi-2.98 dBi 6825MHz25.65 %-12.11 dBi-9.21 dBi-5.91 dBi-4.24 dBi-2.51 dBi-1.57 dBi 6975MHz26.85 %-11.77 dBi-8.18 dBi-5.71 dBi-4.34 dBi-2.54 dBi-1.67 dBi 7125MHz26.84 %-12.68 dBi-8.72 dBi-5.71 dBi-5.42 dBi-2.95…

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