2BGY7-HZWIFI MODULE

Attestation Statements (June 14, 2024) TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA RE: Attestation Statements Part 2.911(d)(7) request for (FCC ID: 2BGY7-HZ ) (Huizhou Huizhi Technology Co., Ltd), the undersigned, hereby authorize (NEWENERGYER LIMITED) to act as our designated U.S. agent for service of process, (Huizhou Huizhi 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. (NEWENERGYER LIMITED) accepts the responsibility to act as designated U.S. agent for service of process, provides 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. Applicant Information： Company name: Huizhou Huizhi Technology Co., Ltd Contact Name: Ting Yuan Address: 356 Longhai Fourth Road, Dayawan West District, Huizhou City, China Telephone No: 13538214502 Email: [email protected] FRN: 0035553502 Signature [Ting Yuan] U.S. Agent Information: Company Name: NEWENERGYER LIMITED Address: 1818 S Patton Ct, Denver, CO, 80219 Contact Name: CHUN LIU Telephone No: 213 289 5042 Email: [email protected] FRN: 0034665885 Signature [CHUN LIU]

(Huizhou Huizhi Technology Co., Ltd) (June 14, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID: 2BGY7-HZ) [Huizhou Huizhi Technology Co., Ltd] (“the applicant”) 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, (Applicant signature) (Applicant printed name) Ting Yuan (Huizhou Huizhi Technology Co., Ltd) (June 14, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (FCC ID: 2BGY7-HZ) [Huizhou Huizhi Technology Co., Ltd] (“the applicant”) 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, (Applicant signature) (Applicant printed name) Ting Yuan

< Huizhou Huizhi Technology Co., Ltd > Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 Company name: Huizhou Huizhi Technology Co., Ltd FCC ID: 2BGY7-HZ Gentlemen, In accordance with 47CFR 15.212 Modular Transmitters and KDB 996369 D01 ‘Module Certification Guide v02’. FCC ID: 2BGY7-HZ has been examined against the following requirements. Items to be covered by Single modular transmitters. Requirement per 15.212 and KDB 996369 D01 ‘Modular Certification Guide v02 Explanation from Grantee 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 YES 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 YES 3. The module must contain power supply regulation on the module YES 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 Sections 15.203, 15.204(b), 15.204(c), 15.212(a), 2.929(b) YES 5. The module must demonstrate compliance in a stand- alone configuration YES 6. The module must be labelled with its permanently affixed FCC ID label, or use an electronic display (See KDB Publication 784748 about labelling requirements) YES 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 YES 8. The module must comply with RF exposure requirements YES Name: Ting Yuan Title: Be in charge Signature of applicant Date: 2024.06.14

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2BGY7-HZ 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=20cm Test Result of RF Exposure Evaluation Modes& Channel Freq. (MHz) Tune up Produce power Maximu m peak output power (dBm) Output power to antenna (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW / cm2 ) Result BLE GFSK&M CH 7±1 8 6.3096 1.5346 (1.86dBi) 0.0019 1 Pass EDR 8DPSK&M CH 10±1 11 12.5893 1.5346 (1.86dBi) 0.0038 1 Pass 2.4G WIFI ANT1 802.11n(H T20)&241 2 14±1 15 31.6228 1.7022 (2.31dBi) 0.0107 1 Pass 2.4G WIFI ANT2 802.11n(H T20)&241 2 14±1 15 31.6228 1.7022 (2.31dBi) 0.0107 1 Pass 5.2GWIFI ANT1 802.11ac2 0&5180 13±1 14 25.1189 1.4521 (1.62dBi) 0.007 1 Pass 5.2GWIFI ANT2 802.11a&5 180 13±1 14 25.1189 1.4521 (1.62dBi) 0.007 1 Pass 5.3GWIFI ANT1 802.11ac2 0&5260 13±1 14 25.1189 2.2439 (3.51dBi) 0.0112 1 Pass 5.3GWIFI ANT2 802.11n(H T20)& 5260 13±1 14 25.1189 2.2439 (3.51dBi) 0.0112 1 Pass 5.6GWIFI ANT1 802.11ac2 0&5500 14±1 15 31.6228 3.6058 (5.57dBi) 0.0227 1 Pass 5.6GWIFI ANT2 802.11n(H T40)& 5510 14±1 15 31.6228 3.6058 (5.57dBi) 0.0227 1 Pass 5.8GWIFI ANT1 802.11ac2 0&5825 14±1 15 31.6228 2.2803 (3.58dBi) 0.0144 1 Pass 5.8GWIFI ANT2 802.11n(H T20)& 5825 14±1 15 31.6228 2.2803 (3.58dBi) 0.0144 1 Pass BT+WIFI supported simultaneous transmission: BT+2.4GWIFI MIMO: ∑MPE Ratio =0.0038+0.0214=0.0252≤1, BT+5GWIFI MIMO: ∑MPE Ratio =0.0038+0.0454=0.0492≤1, BT+2.4GWIFI MIMO +5GWIF MIMO: ∑MPE Ratio =0.0038+0.0214+0.0454=0.0706≤1, So passed. Tech nolo gy Tune up Produce power(dBm) Maximum Tune-up (dBm) Antenna Gain(ANT 1/ANT 2) (numeric) Power Density (S) (mW/ cm2) MPE Limit (mW/ cm2) ∑ MPE Ratio ∑ MPE Ratio Limit Result ANT 1 ANT 2 ANT 1 ANT 2 ANT 1 ANT 2 2.4G WIFI MIM O 14 ±1 14 ±1 15 15 1.7022 (2.31dBi) 0.0107 0.0107 1 0.0214 1 Pass Tech nolo gy Tune up Produce power(dBm) Maximum Tune-up (dBm) Antenna Gain(ANT 1/ANT 2) (numeric) Power Density (S) (mW/ cm2) MPE Limit (mW/ cm2) ∑ MPE Ratio ∑ MPE Ratio Limit Result ANT 1 ANT 2 ANT 1 ANT 2 ANT 1 ANT 2 5G WIFI MIM O 14 ±1 14 ±1 15 15 3.6058 (5.57dBi) 0.0227 0.0227 1 0.0454 1 Pass

Huizhou Huizhi Technology Co., Ltd (June 14, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (WIFI MODULE / HZ-LY22UV1.0 / FCC ID: 2BGY7-HZ) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☒ Internal Photos ☐ NOTE 1 ☒ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☒ No required to be submitted with this application be permanently withheld from public review. 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. Please contact me if there is any information you may need. Sincerely, Signature: Name: Ting Yuan Title: Be in charge

Huizhou Huizhi Technology Co., Ltd (June 14, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (Shenzhen CTB Testing Technology Co., Ltd.) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Signature: Name: Ting Yuan Title: Be in charge

Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 4 Model: HZ-LY22UV1.0 External Photos BT ANT WIFI ANT2 WIFI ANT1 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 4 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 3 of 4 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 4 of 4

FCC ID LABEL:

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2BGY7-HZ 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=20cm Test Result of RF Exposure Evaluation Modes& Channel Freq. (MHz) Tune up Produce power Maximu m peak output power (dBm) Output power to antenna (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW / cm2 ) Result BLE GFSK&M CH 7±1 8 6.3096 1.5346 (1.86dBi) 0.0019 1 Pass EDR 8DPSK&M CH 10±1 11 12.5893 1.5346 (1.86dBi) 0.0038 1 Pass 2.4G WIFI ANT1 802.11n(H T20)&241 2 14±1 15 31.6228 1.7022 (2.31dBi) 0.0107 1 Pass 2.4G WIFI ANT2 802.11n(H T20)&241 2 14±1 15 31.6228 1.7022 (2.31dBi) 0.0107 1 Pass 5.2GWIFI ANT1 802.11ac2 0&5180 13±1 14 25.1189 1.4521 (1.62dBi) 0.007 1 Pass 5.2GWIFI ANT2 802.11a&5 180 13±1 14 25.1189 1.4521 (1.62dBi) 0.007 1 Pass 5.3GWIFI ANT1 802.11ac2 0&5260 13±1 14 25.1189 2.2439 (3.51dBi) 0.0112 1 Pass 5.3GWIFI ANT2 802.11n(H T20)& 5260 13±1 14 25.1189 2.2439 (3.51dBi) 0.0112 1 Pass 5.6GWIFI ANT1 802.11ac2 0&5500 14±1 15 31.6228 3.6058 (5.57dBi) 0.0227 1 Pass 5.6GWIFI ANT2 802.11n(H T40)& 5510 14±1 15 31.6228 3.6058 (5.57dBi) 0.0227 1 Pass 5.8GWIFI ANT1 802.11ac2 0&5825 14±1 15 31.6228 2.2803 (3.58dBi) 0.0144 1 Pass 5.8GWIFI ANT2 802.11n(H T20)& 5825 14±1 15 31.6228 2.2803 (3.58dBi) 0.0144 1 Pass BT+WIFI supported simultaneous transmission: BT+2.4GWIFI MIMO: ∑MPE Ratio =0.0038+0.0214=0.0252≤1, BT+5GWIFI MIMO: ∑MPE Ratio =0.0038+0.0454=0.0492≤1, BT+2.4GWIFI MIMO +5GWIF MIMO: ∑MPE Ratio =0.0038+0.0214+0.0454=0.0706≤1, So passed. Tech nolo gy Tune up Produce power(dBm) Maximum Tune-up (dBm) Antenna Gain(ANT 1/ANT 2) (numeric) Power Density (S) (mW/ cm2) MPE Limit (mW/ cm2) ∑ MPE Ratio ∑ MPE Ratio Limit Result ANT 1 ANT 2 ANT 1 ANT 2 ANT 1 ANT 2 2.4G WIFI MIM O 14 ±1 14 ±1 15 15 1.7022 (2.31dBi) 0.0107 0.0107 1 0.0214 1 Pass Tech nolo gy Tune up Produce power(dBm) Maximum Tune-up (dBm) Antenna Gain(ANT 1/ANT 2) (numeric) Power Density (S) (mW/ cm2) MPE Limit (mW/ cm2) ∑ MPE Ratio ∑ MPE Ratio Limit Result ANT 1 ANT 2 ANT 1 ANT 2 ANT 1 ANT 2 5G WIFI MIM O 14 ±1 14 ±1 15 15 3.6058 (5.57dBi) 0.0227 0.0227 1 0.0454 1 Pass

惠州市汇智科技有限公司HuizhouHuizhiTechnologyCo.,Ltd _________________________________________深圳市鼎盛光电有限公司ShenzhenAtekoPhotoelectricityCo.,Ltd 承 认 书 SPECIFICATIONFOR APPROVAL 供应商名称/SUPPLIER:中山市博安通通信技术有限公司 物料名称/PRODUCTNO.: 内置天线-2.4G-浅灰色1.13银锡线-1 代端子-见线长210mm-铜管 -￠4.4 ×23mm 供应商型号/SUPPLIERNO.:74220219 汇智/鼎盛物料代码/ Huizhi/AtekoNO.: A755PEX2401L 汇智/鼎盛规格描述/ Huizhi/AtekoDESCRIPTION： BT天线 IPEX 单铜管天线 增益 2dBi 线长 210mm±5mm天线总长度 260±5mm 浅灰色 银锡线 汇智 /鼎盛承认栏 Huizhi/AtekoAPPROVAL 供应商承认栏 SUPPLIERAPPROVAL 质量部 QUALITY 工程部 R&D 安规 SAFTY 核准 APPROVED 检验 CHECKED 承办 DRAWING 职位：产品经理职位： 设计部经理职位：工程技术员 姓名：周泉姓名： 刘立华姓名：邱翠萍 惠州市汇智科技有限公司HuizhouHuizhiTechnologyCo.,Ltd _________________________________________深圳市鼎盛光电有限公司ShenzhenAtekoPhotoelectricityCo.,Ltd 公司: 惠州市汇智科技有限公司 公司:中山市博安通通信技术有限公司 CUSTOMER: HuizhouHuizhiTechnologyCo.,Ltd CUSTOMER: ZhongshanB&TCommunication TechnologyCo.,Ltd. 地址: 惠州大亚湾泰宏工业园C1栋三楼 地址: 广东省中山市南朗街道大车村第六工 业区东方工业园第A幢2至3楼 ADD:Thirdfloor,buildingC1,Taihong Industrial,DayaBay,Huizhou ADD: 2-3/F,BuildingA,Dongfang6thIndustrial Park,Dache,NanlangTown,ZhongshanCity, GuangdongProvince 电话/TEL: 0755-26740460 电话/TEL:0755-29976700 公司: 深圳市鼎盛光电有限公司 公司: 四川博安通通信技术有限公司 CUSTOMER: ShenzhenAtekoPhotoelectricityCo.,Ltd CUSTOMER: SichuanB&TCommunication TechnologyCo.,Ltd. 地址: 深圳市宝安区沙井街道黄埔社区镇头路黄 埔润和工业园F栋 地址: 四川省绵阳市经开区塘汛街道文武中 路218号8幢5层2、3号 ADD: BuildingF,HuangpuRunheIndustrial Park,ZhentouRoad,Huangpu Community,ShajingSub-district,Bao'an District,Shenzhen ADD: RoomNo.2and3,5F,Building8,No.218, WenwuMiddleRoad,TangxunStreet, EconomicDevelopmentZone,MianyangCity, SichuanProvince 电话/TEL: 0755-81446315 电话/TEL:0755-29976700 Formno.:B&T-qr-en-002version:B3 Page 1 of8 Project：DK20230721 Date.2024.03.01 REV：A2 AntennaSPEC Customername ： ShenzhenAtekoPhotoelectricityCo.,Ltd Customerproject ： A755 CustomerP/N ： A755PEX2401L B&TP/N ： 74220219 Spec. ： Built-inantenna-2.4G-lightgrey1.13silvertinwire-1 generationterminal-seelinelength210mm-copper tube-¢4.4 × 23mm Sealedbycorporation: compilationverifyapproval QIUcuipingLiulihuaZhouQuan Sealedbycustomer： checkverifyapproval ContactinformationofB&T: Contactpersonforsales： LongMingguo MB: 18576042661E-mail ： [email protected] Contactpersonfortechnical: Liulihua MB: 13590104459 E-mail ： liulh@tech-now ContactpersonforQuality: ZengKang MB: 18188400229 E-mail ： [email protected] Formno.:B&T-qr-en-002version:B3 Page 2 of8 Documentpreparation/revision/repealoftheresume EditionDateFormulate/Revisedcontent Formul ate approval A02023.07.27Firstformulation HuangfeihuiLiulihua/ZhouQuan A011202023.11.20Updatecablecolor HuangfeihuiLiulihua/ZhouQuan A12024.02.23Updatedheatshrinkspecifications QIUcuipingLiulihua/ZhouQuan A22024.03.01Updatedheatshrinkspecifications QIUcuipingLiulihua/ZhouQuan Formno.:B&T-qr-en-002version:B3 Page 3 of8 Contents 1 、Cover ·······································································1 2 、Indexofspecification ···················································3 3 、 Productdrawing···························································4 4 、ElectricalParameter ·····················································5 5 、Electricaltestreport ·····················································6-7 6 、 TableofMaterialsandHazardousSubstances························7 7 、 PackingSpecification·····················································8 Formno.:B&T-qr-en-002version:B3 Page 4 of8 3 、 Productdrawing Formno.:B&T-qr-en-002version:B3 Page 5 of8 4 、 Properties&parameter ElectricalParameter FreqRange 2400～2500MHz CharacteristicImpedance 50 Ω VSWR 1.86dBi TheMaxinputpower <10w Polarizationmode PolarRoundness RadiationmodeOmnidirectional Connectorstyle terminal MechanicsProperties Length210 ± 5mm Maintaintheforce≥1㎏f CoaxialcableLightgrey1.13silvertinwire Saltspraytest24H Environmentparameter OperatingTemp -30 °C ~65 °C Formno.:B&T-qr-en-002version:B3 Page 6 of8 5、Electricaltestreport(Singleantenna) S11Parameter Standingwaveratiodata antennadarkroomtestdata Formno.:B&T-qr-en-002version:B3 Page 7 of8  antennadirectiondiagram 2400M3D-E1-E2-H 2450M3D-E1-E2-H 2500M3D-E1-E2-H 6 、 Materialcompositionandhazardoussubstanceslist Items are specifi cations material RoHSTheinspectionresults（PPM） ICPTestnumber Detection time CdPbHg Cr+ 6 PBB PBD E 11.13line FEP NDNDNDNDNDNDCANML22246679012022/11/21 Tinned copperwire NDNDNDNDNDNDCANEC230013364012022/10/21 Silver plated copperwire NDNDNDNDNDNDANEC230001414012023/2/13 2 1 generation RF terminal PBT NDNDNDNDNDNDA2230035037101002E 2023/2/11 Phosphor bronze NDNDNDNDNDNDCANEC23011458102023/2/8 3 Copper pipe copperND8NDNDNDND SHAEC22002307110 2022/10/14 tinningND57NDND// A2220158237101001E 2023/5/12 4cannulaHeatshrink bushing NDNDNDNDNDNDCANEC22251907012022/12/1 5Copper wire OrichalcumND21NDNDNDNDSZXEC230001114032023/2/24 Formno.:B&T-qr-en-002version:B3 Page 8 of8 PACKINGCRITERION P/N：74220219 Spec. ：Built-inantenna-2.4G-lightgrey1.13silvertinwire-1 generationterminal-seelinelength210mm-coppertube-¢4.4×23mm 一、contentsoflabel(accordingtothecustomer'sname,refertothecorrespondingfinished productlabelproductionrequirements.Ifthereisnorequirement,itwillfollowtheordinarylabel requirements.) LabelforPEbag/carton,L:10cm;W:6cmLabelforPEbag/carton,L:10cm;W:6cm buyer ************* buyer ************* vender ZhongshanB&TCommunicationTechnologyCo.,Ltd. SichuanB&TCommunicationTechnologyCo.,Ltd. vender ZhongshanB&TCommunicationTechnologyCo.,Ltd. SichuanB&TCommunicationTechnologyCo.,Ltd. PurchaseNo ************* PurchaseNo ************* MaterialNo. ***************** MaterialNo. ***************** Partname ******** QC ** Partname ******* QC ** Q’ty/Unit ***** Manufacturedate ****.**.* Q’ty/Unit ***** Manufacturedate ****.**.* Tracecode******** Runningwaternumber ********Tracecode******* Runningwaternumber ******** 二、 Packingrequirement Operatingdescription ： 1． innerpacking ： 50 PCS/smallbag , 200PCS/bigbag 2．outerpacking： QuantityaccordingtoactualpackingPCS/carton Notice：

TEST REPORT Compiled by: Reviewed by: Approved by: Zhou Kui Arron Liu Bin Mei / Director Note: If there is any objection to the inspection results in this report, please submit a written report to the company within 15 days from the date of receiving the report. 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 CTB Testing Technology Co., Ltd. this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. “*” indicates the testing items were fulfilled by subcontracted lab. “#” indicates the items are not in CNAS accreditation scope. Product Name: WIFI MODULE FCC ID: 2BGY7-HZ Trademark: N/A Model Number: HZ-LY22UV1.0 Prepared For: Huizhou Huizhi Technology Co., Ltd Address: 356 Longhai Fourth Road, Dayawan West District, Huizhou City, China Manufacturer: Huizhou Huizhi Technology Co., Ltd Address: 356 Longhai Fourth Road, Dayawan West District, Huizhou City, China Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: 1&2/F., Building A, No.26, Xinhe Road, Xinqiao, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: May. 07, 2024 Sample tested Date: May. 07, 2024 to Jun. 05, 2024 Issue Date: Jun. 05, 2024 Report No.: CTB240522006RFX Test Standards FCC CFR Title 47 Part 15 Subpart C Section 15.247 ANSI C63.10:2013 Test Results PASS Remark: This is Bluetooth radio test report. Shenzhen CTB Testing Technology Co., Ltd. Report No.:CTB240522006RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 62 TABLE OF CONTENT Test Report Declaration Page 1. VERSION .......................................................................................................................................... 4 2. TEST SUMMARY ............................................................................................................................. 5 3. MEASUREMENT UNCERTAINTY ................................................................................................... 6 4. PRODUCT INFORMATION AND TEST SETUP ............................................................................. 7 4.1 Product Information ............................................................................................................................ 7 4.2 Test Setup Configuration ................................................................................................................... 7 4.3 Support Equipment ............................................................................................................................ 7 4.4 Channel List ....................................................................................................................................... 8 4.5 Test Mode .......................................................................................................................................... 8 4.6 Test Environment ............................................................................................................................... 8 5. TEST FACILITY AND TEST INSTRUMENT USED ......................................................................... 9 5.1 Test Facility ........................................................................................................................................ 9 5.2 Test Instrument Used ......................................................................................................................... 9 6. AC POWER LINE CONDUCTED EMISSION .................................................................................. 11 6.1 Block Diagram Of Test Setup ........................................................................................................... 11 6.2 Limit .................................................................................................................................................. 11 6.3 Test procedure ................................................................................................................................. 11 6.4 Test Result ....................................................................................................................................... 13 7. RADIATED SPURIOUS EMISSION ............................................................................................... 15 7.1 Block Diagram Of Test Setup ........................................................................................................... 15 7.2 Limit .................................................................................................................................................. 15 7.3 Test procedure ................................................................................................................................. 16 7.4 Test Result ....................................................................................................................................... 17 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS ................................................ 33 8.1 Block Diagram Of Test Setup ........................................................................................................... 33 8.2 Limit .................................................................................................................................................. 33 8.3 Test procedure ................................................................................................................................. 33 8.4 Test Result ....................................................................................................................................... 34 9. COUDUCTED PEAK OUTPUT POWER ....................................................................................... 41 9.1 Block Diagram Of Test Setup ............................................................................…

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Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 2 Model: HZ-LY22UV1.0 Radiated Emission Below 1G Above 1G Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 2 Conducted emissions