2BAHR-A22Conference SpeakerMic

NINGBO AUDITORYWORKS CO., LTD. 2.911 (d)(5)(i) Equipment Type Attestation v1.2 Section 2.911(d)(5)(i) Certification – Equipment Type Company name: NINGBO AUDITORYWORKS CO., LTD. Address: 3-314 Lingqiao Road 229, Haishu District, Ningbo City, Zhejiang Province, China Product Name: Conference SpeakerMic FCC ID: 2BAHR-A22 Model(s): AW-A22, AW-A20S, AW-21S, AW-A22S, AW-A25, AW-A25S, AW-A*****("*" can be 0-9, A-Z, a-z or blank, indicate different enclosure color, performance, sales area or customer) 2.911(d)(5)(i) Equipment Type We, [NINGBO AUDITORYWORKS CO., LTD.] (“the applicant”) certify that the equipment for which authorization is sought through certification is not: • Prohibited from receiving an equipment authorization pursuant to § 2.903; of the FCC rules. • Identified as an equipment type in the “Covered List” NOTE 1 Yours sincerely, Name: Winnie Chen Date: 2023/12/08 Title and Company name: Compliance Engineer / NINGBO AUDITORYWORKS CO., LTD. NOTE 1 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

NINGBO AUDITORYWORKS CO., LTD. 2.911 (d)(5)(ii) Applicant Attestation v1.2 Section 2.911(d)(5)(ii) Certification – Applicant (Covered List ) Company name: NINGBO AUDITORYWORKS CO., LTD. Address: 3-314 Lingqiao Road 229, Haishu District, Ningbo City, Zhejiang Province, China Product Name: Conference SpeakerMic FCC ID: 2BAHR-A22 Model(s): AW-A22, AW-A20S, AW-21S, AW-A22S, AW-A25, AW-A25S, AW-A*****("*" can be 0-9, A-Z, a-z or blank, indicate different enclosure color, performance, sales area or customer) 2.911(d)(5)(ii) Applicant filing We, [NINGBO AUDITORYWORKS CO., LTD.] (“the applicant”) certify that, as of the date of the filing of the application, the applicant is not identified NOTE 1 on the “Covered List” NOTE 2 , established pursuant to § 1.50002 of this chapter, as an entity producing covered communications equipment. Yours sincerely, Name: Winnie Chen Date: 2023/12/08 Title and Company name: Compliance Engineer / NINGBO AUDITORYWORKS CO., LTD. NOTE 1 Delete option not applicable to this application. NOTE 2 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

NINGBO AUDITORYWORKS CO., LTD. U.S. Agent Designation for Service of Process (Applicant and U.S. Agent are Separate Parties) TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA AT TENTION: FCC Certification – Section 2.911(d)(7) Information Designated U.S. Agent Company Name: NAT DISTRIBUTION LLC FRN: 0033640756 Contact Name: Roy Wu Address: 4142 OGLETOWN STANTON RD, NEWARK, DE 19713, United States Telephone No: (909) 745-3246 Email: [email protected] Th is letter is to confirm that we (NAT DISTRIBUTION LLC) have accepted the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911(d)(7) on behalf of the Applicant noted below. U. S. Agent Signature: Dat e: 2023-11-13 Sig ned by (Printed Name/Title): Roy Wu/Manager 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 above changes. Applicant Company name: NINGBO AUDITORYWORKS CO., LTD. FRN : 0033495169 FCC ID: 2BAHR-A22 Contact Name: Winnie Chen Address: 3-314 Lingqiao Road 229, Haishu District, Ningbo City, Zhejiang Province, China Telephone No: 0755-36882201 Email: [email protected] Appl icant Signature: Dat e: 2023-11-13 Sig ned by (Printed Name/Title): Winnie Chen / Compliance Engineer

NINGBO AUDITORYWORKS CO., LTD. Agent Authorization Company: NINGBO AUDITORYWORKS CO., LTD. Address: 3-314 Lingqiao Road 229, Haishu District, Ningbo City, Zhejiang Province, China Product Name: Conference SpeakerMic Model Number(s): AW-A22, AW-A20S, AW-21S, AW-A22S, AW- A25, AW-A25S, AW-A*****("*" can be 0-9, A-Z, a-z or blank, indicate different enclosure color, performance, sales area or customer) We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: 2023/12/08 Name: Winnie Chen Title: Compliance Engineer Company: NINGBO AUDITORYWORKS CO., LTD.

NINGBO AUDITORYWORKS CO., LTD. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2023/12/08 Subject; Request for Confidentiality FCC ID: 2BAHR-A22 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Operational Description In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuantto KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Winnie Chen Title: Compliance Engineer

NINGBO AUDITORYWORKS CO., LTD. Model Difference 2023-12-08 EUT NAME: Conference SpeakerMic FCC ID: 2BAHR-A22 MODEL : AW-A22, AW-A20S, AW-21S, AW-A22S, AW-A25, AW-A25S, AW- A*****("*" can be 0-9, A-Z, a-z or blank, indicate different enclosure color, performance, sales area or customer) All models are the same circuit and RF modules, with differences in model name, housing color, performance, sales region, or customer. Regards Sincerely Client’s signature: Client’s name / title : Winnie Chen / Compliance Engineer Contact information / address: 3-314 Lingqiao Road 229, Haishu District, Ningbo City, Zhejiang Province, China

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FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2BAHR-A22 Applied procedures / limit According to FCC §15.247(i) and §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842 / f 4.89 / f (900 / f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-100,000 5 6 Note: ƒ is frequency in MHz * = Power density limit is applicable at frequencies greater than 100 MHz Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-100,000 1.0 30 Note: f = frequency in MHz * = Plane-wave equivalent power density MPE PREDICTION Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to antenna G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna, R=0.2m TEST RESULTS Conclusion: For the max result : 0.00067≤ 1.0, compliance with FCC's RF Exposure Tune up Produce power Maximum peak output power (dBm) Output power to antenna (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW/ cm2) Result BT(BR+EDR) 0±1 1 1.26 2.67 (4.27dBi) 0.00067 1 Pass BLE 0±1 1 1.26 2.67 (4.27dBi) 0.00067 1 Pass

No.：BCTC/RF-EMC-007 Page: 1 of 84 Edition：B.0 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2310509613-1E Applicant: NINGBO AUDITORYWORKS CO., LTD. Product Name: Conference SpeakerMic Model/Type reference: AW-A22 Tested Date: 2023-10-23 to 2023-11-03 Issued Date: 2023-11-06 Report No.: BCTC2310509613-1E No.：BCTC/RF-EMC-007 Page: 2 of 84 Edition：B.0 FCC ID: 2BAHR-A22 The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen BCTC Testing Co., Ltd, this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. Product Name: Conference SpeakerMic Trademark: N/A Model/Type Reference: AW-A22 AW-A20S, AW-21S, AW-A22S, AW-A25, AW-A25S, AW-A*****("*" can be 0-9, A-Z, a-z or blank, indicate different enclosure color, performance, sales area or customer) Prepared For: NINGBO AUDITORYWORKS CO., LTD. Address: 3-314 Lingqiao Road 229, Haishu District, Ningbo City, Zhejiang Province, China Manufacturer: NINGBO AUDITORYWORKS CO., LTD. Address: 3-314 Lingqiao Road 229, Haishu District, Ningbo City, Zhejiang Province, China Prepared By: Shenzhen BCTC Testing Co., Ltd. Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Zhancheng, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: 2023-10-23 Sample tested Date: 2023-10-23 to 2023-11-03 Issue Date: 2023-11-06 Report No.: BCTC2310509613-1E Test Standards FCC Part15.247 ANSI C63.10-2013 Test Results PASS Remark: This is Bluetooth Classic radio test report. Tested by: Approved by: Lei Chen/Project Handler Zero Zhou/Reviewer Report No.: BCTC2310509613-1E No.：BCTC/RF-EMC-007 Page: 3 of 84 Edition：B.0 Table Of Content Test Report Declaration Page 1. Version .................................................................................................................. 5 2. Test Summary ....................................................................................................... 6 3. Measurement Uncertainty ..................................................................................... 7 4. Product Information And Test Setup ..................................................................... 8 4.1 Product Information ............................................................................................... 8 4.2 Test Setup Configuration ...................................................................................... 8 4.3 Support Equipment ............................................................................................... 9 4.4 Channel List .......................................................................................................... 9 4.5 Test Mode ........................................................................................................... 10 4.6 Table Of Parameters Of Text Software Setting ................................................... 10 5. Test Facility And Test Instrument Used ............................................................... 11 5.1 Test Facility ......................................................................................................... 11 5.2 Test Instrument Used .......................................................................................... 11 6. Conducted Emissions .......................................................................................... 13 6.1 Block Diagram Of Test Setup .............................................................................. 13 6.2 Limit .................................................................................................................... 13 6.3 Test procedure .................................................................................................... 13 6.4 EUT operating Conditions ................................................................................... 13 6.5 Test Result .......................................................................................................... 14 7. Radiated emissions ............................................................................................. 18 7.1 Block Diagram Of Test Setup .............................................................................. 18 7.2 Limit .................................................................................................................... 19 7.3 Test procedure .................................................................................................... 20 7.4 EUT operating Conditions ................................................................................... 21 7.5 Test Result .......................................................................................................... 21 8. Radiated Band Emission Measurement And Restricted Bands Of Operation ..... 27 8.1 Block Diagram Of Test Setup .............................................................................. 27 8.2 Limit .................................................................................................................... 27 8.3 Test procedure .................................................................................................... 28 8.4 EUT operating Conditions ................................................................................... 28 8.5 Test Result .......................................................................................................... 29 9. Spurious RF Conducted Emissions ..................................................................... 30 9.1 Block Diagram Of Test Setup .............................................................................. 30 9.2 Limit .................................................................................................................... 30 9.3 Test procedure .............................................................................…

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Shenzhen Yingjia Chuang electronic technology Co., LTD http://www.szsyjc.com Add: Building C, Hongyu Guangming Valley, No. 11, Youma Gang Road, Ma Tian Street, Guangming District, Shenzhen CUSTOMERNAME 客户名称 CUSTOMERP/N 客户料号 PARTNAME 品名 2.4G FPC P/ N 料号 YJC-6N150-G19 APPROVALREV. 版次 A0 DELIVERYDATE 送样日期 2023 /08 / 22 PREPAREDBY 承办 CHECKEDBY 审核 APPROVEDBY 核准 CustomerApproved 客 户 承 认 PreparedBy 承办 CheckedBy 审核 ApprovedBy 核准 Shenzhen Yingjia Chuang electronic technology Co., LTD http://www.szsyjc.com Shenzhen Yingjia Chuang electronic technology Co., LTD http://www.szsyjc.com Antenna position Shenzhen Yingjia Chuang electronic technology Co., LTD http://www.szsyjc.com 2D、3D(2.4G): Phi 0 2D :Phi 90 2D Theta 90 2D 3D 2400 ： Frequency(MHz）Efficiency(%)Gain.(dBi) 2400MHz57.53.65 2410MHz 60.183.93 2420MHz59.814 2430MHz60.464.06 2440MHz60.693.91 2450MHz61.954.2 2460MHz61.354.1 2470MHz62.394.26 2480MHz62.574.14 2490MHz61.64.2 2500MHz 60.274.27 Shenzhen Yingjia Chuang electronic technology Co., LTD http://www.szsyjc.com 3D 2450： 3D 2500： OTA ： Item MeasurementBandChannel Frequency Total 1 TRPBLUETOOTH024022.24 2 TRPBLUETOOTH3924413.19 3 TRPBLUETOOTH7824801.56 4 TIS(EIRP)BLUETOOTH02402-86.44 5 TIS(EIRP)BLUETOOTH392441-86.39 6 TIS(EIRP)BLUETOOTH782480-85.77

Report No.: BCTC2310509613-1E No.：BCTC/RF-EMC-007 Page: 81 of 84 Edition：B.0 17. EUT Test Setup Photographs Conducted Measurement Photo Adapter USB-C Report No.: BCTC2310509613-1E No.：BCTC/RF-EMC-007 Page: 82 of 84 Edition：B.0 Radiated Measurement Photos Adapter USB-C Report No.: BCTC2310509613-1E No.：BCTC/RF-EMC-007 Page: 83 of 84 Edition：B.0