A3LWCHB41MWi-Fi/BT/Zigbee Transceiver

Grantee also Agent for Service of Process_FCC_Attestation Statements_Kiwa Page 1 of 2 RF_754_02 15-02-2023 [PLACE ON APPLICANT/COMPANY LETTERHEAD] U.S. Agent Designation for Service of Process (Applicant is Both Grantee and U.S. Agent) TO: Kiwa Nederland B.V. Wilmersdorf 50 7327 AC Apeldoorn Postbus 137 7300 AC Apeldoorn Netherlands ATTENTION: FCC Certification – Section 2.911(d)(7) Information This letter is to confirm that the Applicant will also serve as the U.S. Agent for Service of Process as required by 47 CFR 2.911(d)(7). The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The Applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information changes. Applicant & Agent Company name: Samsung Electronics Co Ltd FRN: 0027908797 Grantee Code: A3L Contact person name: Jenni Chun Agent name: Street address: 19 Chapin Rd. Building D ZIP/City/State Pine Brook NEW JERSEY USA 7058 Telephone number: (973) 808-6375 Email address: [email protected] Signature Contact person*: Date: Jenni Chun 11/27/2025 Signature Agent*: Date: Note *Must be signed by both the applicant, and agent on behalf Grantee also Agent for Service of Process_FCC_Attestation Statements_Kiwa Page 2 of 2 RF_754_02 15-02-2023 [PLACE ON APPLICANT/COMPANY LETTERHEAD] Revision Record Sheet: Revision Section number Page number Date Remark(s) issued by 01 09-02-2023 1 st version RvM 02 1 15-02-2023 Added FRN RvdM Issued/modified by : Richard van de Meer Function : Certification assessor Revision : 02 Date : 15-02-2023 Verified by : Willem Jan Jong Function : Team Lead Date : 16-02-2023 Released by : Axel Gase Function : Manager Quality Assurance Date of release: : 19-02-2023

Covered list attestation FCC application letter Kiwa Page 1 of 2 RF_755_02 15-02-2023 Certification Application Attestation Statements Samsung Electronics Co Ltd 19 Chapin Rd. Building D Pine Brook, NJ 7058 United States Subject: A3LWCHB41M To Whom It May Concern: Statement for 47 CFR section 2.911(d)(5)(i) Samsung Electronics Co Ltd certifies that as of the date of the application the equipment for which authorization is sought is not “covered” equipment 1 prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, including affiliates or subsidiaries of the named companies, the applicant must include an explanation on why the equipment is not “covered” equipment. Additional Explanation: < Samsung Electronics Co Ltd certifies that the device seeking authorization does not include network security or antivirus software manufactured or supplied by Kaspersky Lab, Inc. or any of its successors and assigns, including devices that integrate Kaspersky Lab's (or any of its successors and assigns') network security or antivirus software according to the Device Guidelines Covered by DA-24-886 and KDB 986446 D01.> Statement for 47 CFR section 2.911(d)(5)(ii) [Samsung Electronics Co Ltd] (“the applicant”) certifies that, as of the date of the filing of this application, the applicant - is / ■- is not (3) identified on the Covered List as an entity producing “covered” equipment. Date: 12/15/2025 City: NJ Name (2) : Jenni Chun Function: Telephone number: (973)808-6375 Email address: [email protected] Signature: Revision Record Sheet: 1 - The Commission‟s Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commission‟s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment. https://www.fcc.gov/supplychain/coveredlist . (2): For FCC it must be the Grantee Code “owner” or the authorized agent. (3): double click on the appropriate box and select „‟checked” then “OK” Covered list attestation FCC application letter Kiwa Page 2 of 2 RF_755_02 15-02-2023 Revision Section number Page number Date Remark(s) issued by 01 07-02-2023 1 st version RvM 02 1 15-02-2023 Changed Applicant to Company and added “Subject: FCC ID: “ RvdM Issued/modified by : Richard van de Meer Function : Certification assessor Revision : 02 Date : 15-02-2023 Verified by : Willem Jan Jong Function : Team Lead Date : 16-02-2023 Released by : Axel Gase Function : Manager Quality Assurance Date of release: : 19-02-2023

RF_160_05 Declaration of Authorisation Date of issue 02-01-2023 Declaration of Authorization We Name: Samsung Electronics Co Ltd Address: 19 Chapin Rd.Building D Pine Brook, City: NJ 7058 Country: United States Declare that: Name Representative of agent: Ben Cheng (1) Agent Company name: AUDIX Technology Corporation Address: No. 491, Zhongfu Rd., Linkou Dist., City: New Taipei City Country Taiwan, R.O.C is authorized to apply for Certification of the following product(s): Product description: Wi-Fi/BT/Zigbee Transceiver Type designation: WCHB41M Trademark: SAMSUNG . Validity/ expiry date: 12/15/2025 ~ 12/15/2026 on our behalf. Date: 12/15/2025 .. City: .. Name: Jenni Chun .. (2) Function: ............................... Signature: . Notes: (1): Required for FCC application (2): For FCC it must be the Grantee Code “owner” or the authorized agent. Revision Record Sheet: Revision Section number Page number Date Remark(s) issued by 02 1 02-01-2023 History sheet added AG Issued/modified by : Axel Gase Function : Quality Manager Revision : 02 Date : 02-01-2023 Verified by : Willem Jan Jong Function : Team Lead Date : 02-01-2023 Released by : Axel Gase Function : Manager Quality Assurance Date of release: : 02-01-2023

FCC, Request for non-disclosure Date: 23-06-2023 RF_501, Issue 11 Page 1 of 2 Company Name: Samsung Electronics Co Ltd Address: 19 Chapin Rd. Building D Pine Brook, City: NJ 7058 Country: United States To: Kiwa Netherlands B.V., Dept. FCC TCB Wilmersdorf 50 7327 AC Apeldoorn The Netherlands Subject: Request for confidentiality FCC ID: A3LWCHB41M Reference number: C1M2509176 Dear FCC TCB, 1. Long-Term Confidentiality Pursuant to 47 CFR Section 0.459(a) & (b), we hereby requests non-disclosure and confidential treatment of the following materials submitted in support of FCC certification application: Bill(s) of Material Block Diagrams FCC_IC NII Software Security Operational Description Schematic Diagrams Tune-up Procedure Above materials contain secrets, proprietary and technical information, which would customarily be guarded from competitors under 47 CFR, section 0.457(d)(2). Disclosure or publication or any portion of this company confidential material to other parties could cause substantial competitive harm and provide unjustified benefits for competitors. 2. Short-Term Confidentiality (STC) Pursuant to Public Notice DA 04-1705 of the Commission’s policy, in order to comply with the marketing regulations in 47 CFR §2.803 and the importation rules in 47 CFR §2.1204, applicant hereby requests Short-Term Confidential treatment of the following materials (See notes below): Internal Photos User’s Manual Test Set-up Photos External Photos Justification: 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 Date: 12/15/2025 Name and signature of applicant: Jenni Chun Notes: 1) A document or type of document can only have ONE type of confidentiality! 2) Short-Term confidentiality is in principle for 45 days from date of grant; it can be extended max 3 times (total time 180 days max.)! The planned date should state in the RF731 application form. 3) FCC must be informed when marketing begins earlier. 4) Release takes place automatically thus extension must be requested in time. Telefication does not remind you of this! 5) Request for extension or for release must be received by Kiwa NL B.V. at least 7 days before date of actual marketing or before expiration of the STC period FCC, Request for non-disclosure Date: 23-06-2023 RF_501, Issue 11 Page 2 of 2 Revision Record Sheet: Revision Section number Page number Date Remark(s) issued by 10 1 02-01-2023 History sheet added AG 11 1 & 2 23-06-2023 Corrected date and page# WJJ Issued/modified by : Willem Jan Jong Function : Team Lead Revision : 11 Date : 23-06-2023 Verified by : Axel Gase Function : Manager Quality Assurance Date : 23-06-2023 Released by : Axel Gase Function : Manager Quality Assurance Date of release: : 23-06-2023

RF_734_05 FCC Modular Approval Request Page 1 of 3 28-12-2022 Modular Approval Request FCC (KDB 996369 D01 & Part 15.212) FCC ID: A3LWCHB41M Items to be covered by Single modular transmitters. Answer from applicant 1. The radio elements must have the radio frequency circuitry shielded. Physical components and tuning capacitor(s) may be located external to the shield, but must be on the module assembly. Y Refer to the external photo . 2. The module must have buffered modulation/data inputs to ensure that the device will comply with Part 15 requirements with any type of input signal. Y All input to the modules are buffered through microprocessor inputs. 3. The module must contain power supply regulation on the module Y Internal power regulators Refer to the Block-diagram 4. The module must contain a permanently attached antenna, or contain a unique antenna connector, and be marketed and operated only with specific antenna(s), per §§ 15.203, 15.204(b), 15.204(c), 15.212(a), 2.929(b). Y The EUT was tested in a standalone configuration via a SD extension cable Refer to the test setup photo 5.The module must demonstrate compliance in a stand-alone configuration. Y 6.The module must be labeled with its permanently affixed FCC ID label, or use an electronic display (see KDB Publication 784748). Y . 7.The module must comply with all specific rules applicable to the transmitter, including all the conditions provided in the integration instructions by the grantee. Y Refer to the user manual 8.The module must comply with RF exposure requirements. Y Refer to the RF exposure statement for more details. RF_734_05 FCC Modular Approval Request Page 2 of 3 28-12-2022 Items to be covered by Split modular transmitters. Answer from applicant 1. The modular transmitter must comply with all requirements of a single modular transmitter except for items (1) & (5) of the above single modular approval requirements. N/A 2. Only the radio front end must be shielded. The physical crystal and tuning capacitors may be located external to the shielded radio elements. The interface between the split sections of the modular system must be digital with a minimum signalling amplitude of 150 mV peak-to-peak. N/A 3. Control information and other data may be exchanged between the transmitter control elements and radio front end. N/A 4. The sections of a split modular transmitter must be tested installed in a host device(s) similar to that which is representative of the platform(s) intended for use. N/A 5. Manufacturers must ensure that only transmitter control elements and radio front end components that have been approved together are capable of operating together. The transmitter module must not operate unless it has verified that the installed transmitter control elements and radio front end have been authorized together. Manufacturers may use means including, but not limited to, coding in hardware and electronic signatures in software to meet these requirements, and must describe the methods in their application for equipment authorization. N/A Note: A limited modular approval (LMA) may be granted for single or split modular transmitters that comply partially with the requirements above. Name and surname of applicant (or authorized representative): _Jenni Chun______ Date: _12/15/2025___ Signature: RF_734_05 FCC Modular Approval Request Page 3 of 3 28-12-2022 Revision Record Sheet: Revision Section number Page number Date Remark(s) issued by 5 1 28-12-2022 History sheet added WJJ Issued/modified by : Willem Jan Jong Function : Team Lead Revision : 5 Date : 28-12-2022 Verified by : Axel Gase Function : Quality Manager Date : 28-12-2022 Released by : Axel Gase Function : Manager Quality Assurance Date of release: : 28-12-2022

Samsung Electronics Co., Ltd. Wi-Fi/BT/Zigbee Transceiver Model : WCHB41M Label Location  Label Placement Location (Front View)  Label Format

Maximum Permissive Exposure FCC ID: A3LWCHB41M Product Name: Wi-Fi/BT/Zigbee Transceiver Model No: WCHB41M According to FCC CFR 47 §1.1310, the criteria listed in the following table shall be used to evaluate the environmental impact of human exposure to radio frequency (RF) radiation as specified in 1.1307(b). Table 1 Limits for Maximum Permissible Exposure Sony Group Corporation declares that the product described above has been evaluated and found to comply with the RF exposure limits for humans, as specified based on ANSI/FCC recommendation. Mode Max Output Power (dBm) Tune-up factor Tune-up max power (dBm) BT 13.08 1.236 14.0 Zigbee 19.90 1.148 20.5 Wireless 2.4G 26.93 1.140 27.5 Wireless 5G 20.07 1.239 21.0 Wireless 6G 12.18 1.208 13.0 **The value presented in the MPE is the maximum tune-up power. 1. MPE Calculation  BT MPE Based on safety distance (r) 20cm, the antenna gain (G) is 1.125Numerical, and the highest power output (P) is 25.119mW, the power density (S) is 0.005622mW/cm 2. RF Exposure Calculations: S = (P * G) / (4* π * r 2 ) or r = (P * G) / (4 * π * S) Where : Based on safety distance (r)= 20 cm Highest Power Output (P)= 14.0 dBm = 25.119 mW Antenna Gain (G)= 0.51 dBi = 1.125 Numerical MPE (S) = (P*G) / (4*π*r 2 ) = = (33.884*0.605)/(4*π*20 2 )= 0.005622 mW/cm 2  Zigbee MPE Based on safety distance (r) 20cm, the antenna gain (G) is 1.125Numerical, and the highest power output (P) is 112.202mW, the power density (S) is 0.025112mW/cm 2. RF Exposure Calculations: S = (P * G) / (4* π * r 2 ) or r = (P * G) / (4 * π * S) Where : Based on safety distance (r)= 20 cm Highest Power Output (P)= 20.5 dBm = 112.202 mW Antenna Gain (G)= 0.51 dBi = 1.125 Numerical MPE (S) = (P*G) / (4*π*r 2 ) = = (33.884*0.605)/(4*π*20 2 )= 0.025112 mW/cm 2  Wireless 2.4G MPE Based on safety distance (r) 20cm, the antenna gain (G) is 0.916Numerical, and the highest power output (P) is 562.341mW, the power density (S) is 0.102477mW/cm 2. RF Exposure Calculations: S = (P * G) / (4* π * r 2 ) or r = (P * G) / (4 * π * S) Where : Based on safety distance (r)= 20 cm Highest Power Output (P)= 27.5 dBm = 562.341 mW Antenna Gain (G)= -0.38 dBi = 0.916 Numerical MPE (S) = (P*G) / (4*π*r 2 ) = = (1000.000*1.164)/(4*π*20 2 )= 0.102477 mW/cm 2  Wireless 5G MPE Based on safety distance (r) 20cm, the antenna gain (G) is 1.045Numerical, and the highest power output (P) is 125.893mW, the power density (S) is 0.026173mW/cm 2. RF Exposure Calculations: S = (P * G) / (4* π * r 2 ) or r = (P * G) / (4 * π * S) Where : Based on safety distance (r)= 20 cm Highest Power Output (P)= 21.0 dBm = 125.893 mW Antenna Gain (G)= 0.19 dBi = 1.045 Numerical MPE (S) = (P*G) / (4*π*r 2 ) = = (199.526*1.429)/(4*π*20 2 )= 0.026173 mW/cm 2  Wireless 6G MPE Based on safety distance (r) 20cm, the antenna gain (G) is 1.089Numerical, and the highest power output (P) is 19.953mW, the power density (S) is 0.004323mW/cm 2. RF Exposure Calculations: S = (P * G) / (4* π * r 2 ) or r = (P * G) / (4 * π * S) Where : Based on safety distance (r)= 20 cm Highest Power Output (P)= 13.0 dBm = 19.953 mW Antenna Gain (G)= 0.37 dBi = 1.089 Numerical MPE (S) = (P*G) / (4*π*r 2 ) = = (16.982*1.084)/(4*π*20 2 )= 0.004323 mW/cm 2 2. MPE Calculation for Simultaneous MPE BT (mW/cm 2 ) Wireless 2.4G (mW/cm 2 ) Total (mW/cm 2 ) Limit (mW/cm 2 ) 0.005622 0.102477 0.108099 ≦ 1 MPE BT (mW/cm 2 ) Wireless 5G (mW/cm 2 ) Total (mW/cm 2 ) Limit (mW/cm 2 ) 0.005622 0.026173 0.031795 ≦ 1 MPE BT (mW/cm 2 ) Wireless 6G (mW/cm 2 ) Total (mW/cm 2 ) Limit (mW/cm 2 ) 0.005622 0.004323 0.009945 ≦ 1 MPE BT (mW/cm 2 ) Zigbee (mW/cm 2 ) Total (mW/cm 2 ) Limit (mW/cm 2 ) 0.005622 0.025112 0.030734 ≦ 1 MPE Zigbee (mW/cm 2 ) Wireless 2.4G (mW/cm 2 ) Total (mW/cm 2 ) Limit (mW/cm 2 ) 0.025112 0.102477 0.127589 ≦ 1 MPE Zigbee (mW/cm 2 ) Wireless 5G (mW/cm 2 ) Total (mW/cm 2 ) Limit (mW/cm 2 ) 0.025112 0.026173 0.051285 ≦ 1 MPE Zigbee (mW/cm 2 ) Wireless 6G (mW/cm 2 ) Total (mW/cm 2 ) Limit (mW/cm 2 ) 0.025112 0.004323 0.029435 ≦ 1 Sincerely Yours, Mr. Johnny Hsueh Manager AUDIX Technology Corporation

APPENDIX A-Page 30 of 53 Audix Technology Corp. Tel: +886 2 26099301 No. 491, Zhongfu Rd., Linkou Dist., Fax: +886 2 26099303 New Taipei City244, Taiwan File Number: C1M2509176 Report Number: EM-F250674 This test report may be reproduced in full only. The document may only be updated by Audix Technology Corp. personnel. Any changes will be noted in the Document History section of the report. BT1 GFSK 2441MHz DH1 DH3 DH5 APPENDIX A-Page 31 of 53 Audix Technology Corp. Tel: +886 2 26099301 No. 491, Zhongfu Rd., Linkou Dist., Fax: +886 2 26099303 New Taipei City244, Taiwan File Number: C1M2509176 Report Number: EM-F250674 This test report may be reproduced in full only. The document may only be updated by Audix Technology Corp. personnel. Any changes will be noted in the Document History section of the report. BT1 GFSK 2480MHz DH1 DH3 DH5 APPENDIX A-Page 32 of 53 Audix Technology Corp. Tel: +886 2 26099301 No. 491, Zhongfu Rd., Linkou Dist., Fax: +886 2 26099303 New Taipei City244, Taiwan File Number: C1M2509176 Report Number: EM-F250674 This test report may be reproduced in full only. The document may only be updated by Audix Technology Corp. personnel. Any changes will be noted in the Document History section of the report. BT0 Limit (ms) <400 <400 <400 Observation Period: 79 channels* 0.4 seconds= 31.6 seconds 10 10 transmission* 31.6 seconds* 0.380 ms= 120.080 ms (<400ms) 5 5 transmission* 31.6 seconds* 1.630 ms= 257.540 ms (<400ms) 2 2 transmission* 31.6 seconds* 2.880 ms= 182.016 ms (<400ms) Maximum accumulated Time of Occupancy (ms) 120.080 257.540 182.016 For each second of Centre Frequency (MHz) 2402 3DH1 3DH3 3DH5 Mode Mode 8-DPSK 3DH1 Mode Each second appearance transmission 10 For each second of transmission appearance,the longest time of occupancy is 3DH5 Mode For each second of transmission appearance,the longest time of occupancy is Time of Occupancy (ms) 0.380 1.630 2.880 3DH3 Mode 5 2 transmission appearance,the longest time of occupancy is Limit (ms) <400 <400 <400 Observation Period: 79 channels* 0.4 seconds= 31.6 seconds 10 10 transmission* 31.6 seconds* 0.380 ms= 120.080 ms (<400ms) 5 5 transmission* 31.6 seconds* 1.640 ms= 259.120 ms (<400ms) 3 3 transmission* 31.6 seconds* 2.880 ms= 273.024 ms (<400ms) Maximum accumulated Time of Occupancy (ms) 120.080 259.120 273.024 For each second of Centre Frequency (MHz) 2441 3DH1 3DH3 3DH5 Mode Mode 8-DPSK 3DH1 Mode Each second appearance transmission 10 For each second of transmission appearance,the longest time of occupancy is 3DH5 Mode For each second of transmission appearance,the longest time of occupancy is Time of Occupancy (ms) 0.380 1.640 2.880 3DH3 Mode 5 3 transmission appearance,the longest time of occupancy is APPENDIX A-Page 33 of 53 Audix Technology Corp. Tel: +886 2 26099301 No. 491, Zhongfu Rd., Linkou Dist., Fax: +886 2 26099303 New Taipei City244, Taiwan File Number: C1M2509176 Report Number: EM-F250674 This test report may be reproduced in full only. The document may only be updated by Audix Technology Corp. personnel. Any changes will be noted in the Document History section of the report. Limit (ms) <400 <400 <400 Observation Period: 79 channels* 0.4 seconds= 31.6 seconds 10 10 transmission* 31.6 seconds* 0.380 ms= 120.080 ms (<400ms) 5 5 transmission* 31.6 seconds* 1.630 ms= 257.540 ms (<400ms) 3 3 transmission* 31.6 seconds* 2.880 ms= 273.024 ms (<400ms) Time of Occupancy (ms) 0.380 1.630 2.880 3DH3 Mode 5 3 transmission appearance,the longest time of occupancy is For each second of transmission appearance,the longest time of occupancy is 3DH5 Mode For each second of transmission appearance,the longest time of occupancy is Maximum accumulated Time of Occupancy (ms) 120.080 257.540 273.024 For each second of Centre Frequency (MHz) 2480 3DH1 3DH3 3DH5 Mode Mode 8-DPSK 3DH1 Mode Each second appearance transmission 10 APPENDIX A-Page 34 of 53 Audix Technology Corp. Tel: +886 2 26099301 No. 491, Zhongfu Rd., Linkou Dist., Fax: +886 2 26099303 New Taipei City244, Taiwan File Number: C1M2509176 Report Number: EM-F250674 This test report may be reproduced in full only. The document may only be updated by Audix Technology Corp. personnel. Any changes will be noted in the Document History section of the report. BT1 Limit (ms) <400 <400 <400 Observation Period: 79 channels* 0.4 seconds= 31.6 seconds 10 10 transmission* 31.6 seconds* 0.380 ms= 120.080 ms (<400ms) 5 5 transmission* 31.6 seconds* 1.630 ms= 257.540 ms (<400ms) 2 2 transmission* 31.6 seconds* 2.880 ms= 182.016 ms (<400ms) Maximum accumulated Time of Occupancy (ms) 120.080 257.540 182.016 For each second of Centre Frequency (MHz) 2402 3DH1 3DH3 3DH5 Mode Mode 8-DPSK 3DH1 Mode Each second appearance transmission 10 For each second of transmission appearance,the longest time of occupancy is 3DH5 Mode For each second of transmission appearance,the longest time of occupancy is Time of Occupancy (ms) 0.380 1.630 2.880 3DH3 Mode 5 2 transmission appearance,the longest time of occupancy is Limit (ms) <400 <400 <400 Observation Period: 79channels*0.4seconds=31.6seconds 10 10transmission*31.6seconds*0.380ms=120.080ms (<400ms) 5 5transmission*31.6seconds*1.640ms=259.120ms (<400ms) 2 2transmission*31.6seconds*2.880ms=182.016ms (<400ms) Time of Occupancy (ms) 0.380 1.640 2.880 3DH3 Mode 5 2 transmission appearance,the longest time of occupancy is For each second oftransmission appearance,the longest time of occupancy is 3DH5 Mode For each second oftransmission appearance,the longest time of occupancy is Maximum accumulated Time of Occupancy (ms) 120.080 259.120 182.016 For each second of Centre Frequency (MHz) 2441 3DH1 3DH3 3DH5 ModeMode 8-DPSK 3DH1 Mode Each second appearance transmission 10 APPENDIX A-Page 35 of 53 Audix Technology Corp. Tel: +886 2 26099301 No. 491, Zhongfu Rd., Linkou Dist., Fax: +886 2 26099303 New Taipei City244, Taiwan File Number: C1M2509176 Report Number: EM-F250674 This test report may be reproduced in full only. The document may only be u…

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WCHB41M ANT0 s Feeding ANT0 TOPBOTTOM TOP ANT1 s Feeding BOTTOM BT0 s Feeding BT1/ZIGBEE s Feeding

Page 1 of 29 Audix Technology Corp. Tel: +886 2 26099301 No. 491, Zhongfu Rd., Linkou Dist., Fax: +886 2 26099303 New Taipei City244,Taiwan File Number: C1M2509176 Report Number: EM-F250674 This test report may be reproduced in full only. The document may only be updated by Audix Technology Corp. personnel. Any changes will be noted in the Document History section of the report. FCC 15.247 & RSS-247 2.4GHz Test Report for Samsung Electronics Co., Ltd. 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, 16677 Republic of Korea Product Name : Wi-Fi/BT/Zigbee Transceiver Model Name : WCHB41M Brand : SAMSUNG FCC ID : A3LWCHB41M IC : 649E-WCHB41M Prepared by: : AUDIX Technology Corporation, EMC Department The test report is based on a single evaluation of one sample of the above-mentioned products. It does not imply an assessment of the whole production and does not permit the use of the test lab logo. Page 2 of 29 Audix Technology Corp. Tel: +886 2 26099301 No. 491, Zhongfu Rd., Linkou Dist., Fax: +886 2 26099303 New Taipei City244,Taiwan File Number: C1M2509176 Report Number: EM-F250674 This test report may be reproduced in full only. The document may only be updated by Audix Technology Corp. personnel. Any changes will be noted in the Document History section of the report. TABLE OF CONTENTS Description Page TEST REPORT ................................................................................................................................... 4 1. REVISION RECORD OF TEST REPORT ............................................................................ 5 2. Summary of TEST results ......................................................................................................... 6 3. GENERAL INFORMATION ................................................................................................... 7 3.1. Description of Application .............................................................................................................. 7 3.2. Description of EUT ......................................................................................................................... 8 3.3. Reference Test Guidance ................................................................................................................. 8 3.4. Antenna Information ....................................................................................................................... 9 3.5. EUT Specifications Assessed in Current Report ........................................................................... 10 3.6. Description of Key Components ................................................................................................... 10 3.7. Test Configuration ......................................................................................................................... 11 3.8. Output Power Setting .................................................................................................................... 12 3.9. Tested Supporting System List ...................................................................................................... 13 3.10. Setup Configuration ....................................................................................................................... 13 3.11. Operating Condition of EUT ......................................................................................................... 13 3.12. Description of Test Facility ........................................................................................................... 14 3.13. Measurement Uncertainty ............................................................................................................. 15 4. MEASUREMENT EQUIPMENTLIST ................................................................................. 17 4.1. Conducted Emission Measurement ............................................................................................... 17 4.2. Radiated Emission Measurement .................................................................................................. 17 4.3. RF Conducted Measurement ......................................................................................................... 17 5. CONDUCTED EMISSION ..................................................................................................... 18 5.1. Block Diagram of Test Setup ........................................................................................................ 18 5.2. Conducted Emission Limit ............................................................................................................ 18 5.3. Test Procedure ............................................................................................................................... 18 5.4. Test Results ................................................................................................................................... 18 6. RADIATED EMISSION ......................................................................................................... 19 6.1. Block Diagram of Test Setup ........................................................................................................ 19 6.2. Radiated Emission Limits .............................................................................................................. 20 6.3. Test Procedure ............................................................................................................................... 21 6.4. Measurement Result Explanation .................................................................................................. 22 6.5. Test Results ................................................................................................................................... 22 7. 20dB/Occupied Bandwidth ..................................................................................................... 23 7.1. Block Diagram of Test Setup .....................…

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