2AZ6O-C800AWireless Intercom System

3KSHKX' )UJK)NGTTKR 3KSHKX( )UJK)NGTTKR 3KSHKX) )UJK)NGTTKR 3 )U)U (( TKRTKR    9ZKV )UTTKIZ]OZNVU]KX )UTTKIZK\KX_OTZKXIUSYZGZOUTZU _U[XRUIGR')VU]KX! 9ZKV )UJK9KZZOTM :NKOTZKXIUSNGYIUJKYGTJJOLLKXKTZ [TOZYS[YZHKYKZ]OZNJOLLKXKTZIUJKY6XKYY NURJZNKIUJK T[SHKXH[ZZUTLUXYKIUTJY ]NKTYKZY[IIKYYL[RR__U[]ORRNKGX HKKVYGTJZNKIUXXKYVUTJOTMIUJKT[SHKXH[ZZUT]ORRNG\KG XKJROMNZ 9ZKV 3GQOTMGTȔ'JJXKYY2OYZȕ /L_U[NG\KGRGXMKOTZKXIUS Y_YZKS]OZNSGT_OTZKXIUS[TOZYGTJKGIN[TOZNGYGJOLLKXKTZ IUJKT[SHKX_U[SG_TKKJGTȔGJJXKYYROYZȕZUNKRV_U[ XKSKSHKX]NOINOTZKXIUSYHKRUTMZU]NOIN[YKXY 9ZKV :KYZOTMG)UTTKIZOUT 9KVGXGZKOTZKXIUSYH_GZRKGYZ SKZKXYZUVXK\KTZOTZKXLKXKTIK5TK[TOZVXKYYZNKIUJKT[SHKX ULGTUZNKX[TOZZNKTVXKYYZNK)'22H[ZZUT'TUZNKX[TOZ]ORR NG\KGXOTMZNKTVXKYY)'22H[ZZUTZUIXKGZKGIUT\KXYGZOUT ZNKTZGRQOTMZUZKYZ 9ZKV 'LZKXZKYZOTM_U[IGTGYYOMTJOLLKXKTZOTZKXIUSYZGZOUTY GTJȔGJJXKYYROYZYȕ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ȔINOSKYYKZZOTMȕSUJKZNKTVXKYY<52ZUYKZZNKINOSKZNKTVXKYY51H[ZZUTZUIUTLOXS_U[XINUOIK! 6XKYY NURJZNK<52H[ZZUTLUXYKIUTJYKTZKXȔIN OSK\UR[SKYKZZOTMȕ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Ȕ)NGTTKRYKZZOTMȕ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ͧZXU6XK]U6 TZXU  '<)*ͧZXZZU6XK]KKU]6 9VKGQKX '4:ͧGTZKTTG 51([ZZUT OTZNKYKZZOTML[TIZOUTVXKYYZUIUTLOXSZNKYKZZOTMXKY[RZGTJK^OZZNKYKZZOTMSUJK! <52 )'22 51 <52 354/:58L[TIZOUT 6U]KXH[ZZUT -85;6L[TIZOUT )UJK4[SHKX 3/) 0RGHO& Wireless Intercom Systerm FCC Warnning: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection againstharmful interference in a residential installation. This equipment generates, uses and can radiateradio frequency energy and, if not installed and used in accordance with the instructions, maycause harmful interference to radio communications. However, there is no guarantee thatinterference will not occur in a particular installation. If this equipment does cause harmfulinterference to radio or television reception, which can be determined by turning the equipmentoff and on, the user is encouraged to try to correct the interference by one or more of thefollowing measures: • Reorient or relocate the receiving antenna. • Increase the separation between the equipment and receiver. • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1)This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body. ISED Statement ‐ English: This de…

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Shenzhen Weiguo Times Technology Co.,Ltd 8th Floor, Block C, Wanguo City, Pingji Avenue, Nanwan Street, Longgang District Shenzhen China The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2023-4-6 To whom it may concern: We, Shenzhen Weiguo Times Technology Co.,Ltd , hereby certify that the equipment for which authorization is sought (FCC ID: 2AZ6O-C800A) is not “covered” equipment prohibited from receiving an equipment authorization pursuant to § 2.903 of the FCC rules. We also certify that, as of the date of the filing of the application, we are not identified on the Covered List (https://www.fcc.gov/supplychain/coveredlist) as an entity producing “covered” equipment. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(b) and (d)(5) and (6). Sincerely, Signature Yanwei Luo Manager Shenzhen Weiguo Times Technology Co.,Ltd 62_[model] CoveredEqu_2.911(d)(5)(i) and (ii) - U, V02

Shenzhen Weiguo Times Technology Co.,Ltd 8th Floor, Block C, Wanguo City, Pingji Avenue, Nanwan Street, Longgang District Shenzhen China Date: 2023-04-06 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division7435 Oakland Mills Road Columbia, MD 21046 Subject: Extended Frequencies Justification Dear Sir/Madam, The Radio with FCC ID: 2AZ6O-C800A was designed to operate in the frequency bands 420.25-438.80MHz. To aid equipment authorization in other countries which accept the United States FCC Grant for Certification, Shenzhen Weiguo Times Technology Co.,Ltd is requesting that the FCC lists the frequencies 420.25-438.80, under FCC Rule Part 90 on the FCC Grant. Shenzhen Weiguo Times Technology Co.,Ltd attests that the radio will not be marketed to USA users with the frequency band which is not allowed by the rule part 90. Per the FCC , s KDB634817 guidance, as an alternative to listing the exact frequencies, we acknowledge that its a violation of the FCC Rules if this device operates on unauthorized frequencies. UHF Frequency Range(MHz) FCC Rule Part 420.25-438.80 FCC Part 90 Also, equipment programming is the responsibility of Authorized Service Personnel, the radio complies with 47 CFR Part 90.203(e), in that the operator cannot directly program the transmit frequencies using the normally accessible external controls. Sincerely Yours, (Signed) Name/Title： Yanwei Luo/Manager Company: Shenzhen Weiguo Times Technology Co.,Ltd Address: 8th Floor, Block C, Wanguo City, Pingji Avenue, Nanwan Street, Longgang District Shenzhen China Phone: 13423998717 Fax: +86-755-21038450 E-Mail: [email protected]

Shenzhen Weiguo Times Technology Co.,Ltd 8th Floor, Block C, Wanguo City, Pingji Avenue, Nanwan Street, Longgang District Shenzhen China Date: 2023-4-6 To: FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Attestation statement regarding the Digital Portable Radio spectrum efficiency TYPE OF EQUIPMENT: Licensed Non-Broadcast Station Transmitter FCC ID: 2AZ6O-C800A Dear Sir or Madam We, Shenzhen Weiguo Times Technology Co.,Ltd declare that the time division multiple access (TDMA) technology provides two time slots in a 12.5 kHz channel bandwidth/four time slots in a 25 kHz bandwidth, thus meeting the one voice path per 6.25 kHz of spectrum requirement. Please contact the undersigned if you have any questions or need any further information. Sincerely Yours, (Signed) Name/Title： Yanwei Luo/Manager Company: Shenzhen Weiguo Times Technology Co.,Ltd Address: 8th Floor, Block C, Wanguo City, Pingji Avenue, Nanwan Street, Longgang District Shenzhen China Phone: 13423998717 Fax: +86-755-21038450 E-Mail: [email protected]

Shenzhen Weiguo Times Technology Co.,Ltd The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC. Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 4/17/2023 U.S. Agent Designation Shenzhen Weiguo Times Technology Co.,Ltd acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2AZ6O-C800A): Name and company of U.S. agent: Tim Payne, FCC US Agent, LLC Physical U.S. address of agent: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA FRN of U.S. agent: 0033402884 Email address of U.S. agent: [email protected] FCC US Agent, LLC acknowledges their obligation to accept service of process on behalf of Shenzhen Weiguo Times Technology Co.,Ltd. Shenzhen Weiguo Times Technology Co.,Ltd accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). Sincerely, Signature Yanwei Luo Manager Shenzhen Weiguo Times Technology Co.,Ltd Signature Tim Payne Manager FCC US Agent, LLC 48_[model] US_Agent_2.911(d)(7)-U, V03

CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Date:<2023-4-6> Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we requests confidentiality for the following products: FCC ID Model name 2AZ6O-C800A C800 For the product stated above, we request that the following information be held confidential; Exhibits Long-Term Confidentiality Short-Term Confidentiality Short-Term Confidentiality Days External Photos Internal Photos Block Diagram Schematics Test Setup Photos User’s Manual Parts List Tune Up Operational Descriptions The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. The short-term confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device. If you have any questions, please feel free to contact me at the address shown below. Sincerely, Name/Title： Yanwei Luo/Manager Company: Shenzhen Weiguo Times Technology Co.,Ltd Address: 8th Floor, Block C, Wanguo City, Pingji Avenue, Nanwan Street, Longgang District Shenzhen China Phone: 13423998717 Fax: +86-755-21038450 E-Mail: [email protected]

Shenzhen Weiguo Times Technology Co.,Ltd 8th Floor, Block C, Wanguo City, Pingji Avenue, Nanwan Street, Longgang District Shenzhen China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2023-4-6 To whom it may concern: We, the undersigned, hereby authorize Eurofins Product Service GmbH to act on our behalf in all matters relating to applications for equipment authorization FCC ID: 2AZ6O-C800A including the signing of all documents related to these matters. Any and all acts carried out by Eurofins Product Service GmbH on our behalf shall have the same effect as acts of our own. By signing this application form, we agree to Eurofins’ current valid General Terms and Conditions (AGB),Testing and Certification Regulations (PZO) which can be viewed on following website www.eurofins.de/ee or retrieved on request. We also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Sincerely, Name/Title： Yanwei Luo/Manager Company: Shenzhen Weiguo Times Technology Co.,Ltd Address: 8th Floor, Block C, Wanguo City, Pingji Avenue, Nanwan Street, Longgang District Shenzhen China Phone: 13423998717 Fax: +86-755-21038450 E-Mail: [email protected]

Page 1 of 4 IC: 27400-C800A FCC ID: 2AZ6O-C800A EXTERNAL PHOTOS ALL TOP VIEW OF EUT TOP VIEW OF EUT Page 2 of 4 IC: 27400-C800A FCC ID: 2AZ6O-C800A BOTTOM VIEW OF EUT FRONT VIEW OF EUT Page 3 of 4 IC: 27400-C800A FCC ID: 2AZ6O-C800A BACK VIEW OF EUT LEFT VIEW OF EUT Page 4 of 4 IC: 27400-C800A FCC ID: 2AZ6O-C800A RIGHT VIEW OF EUT **********************End of Report********************

Label&Labellocation Productname(PMN):WirelessIntercomSysterm Modelnumber:C800 HVIN:C800A FCCID:2AZ6O-C800A IC:27400-C800A

Page 1 of 3 IC: 27400-C800A FCC ID: 2AZ6O-C800A INTERNAL PHOTOS OPEN VIEW OF EUT (FIGURE 1) OPEN VIEW OF EUT (FIGURE 2) ANT Port Page 2 of 3 IC: 27400-C800A FCC ID: 2AZ6O-C800A INTERNAL VIEW OF EUT (FIGURE 1) INTERNAL VIEW OF EUT (FIGURE 2) . Page 3 of 3 IC: 27400-C800A FCC ID: 2AZ6O-C800A INTERNAL VIEW OF EUT (FIGURE 3) INTERNAL VIEW OF EUT (FIGURE 4) ****************************End of Report*******************************

Page 1 of 2 ReportNo.:ICAIT22112201NW2 DongguanYaxu(AiT)TechnologyLimited No.22,JinqianlingThirdStreet,Jitigang, Huangjiang,Dongguan, Guangdong,China. MPETESTREPORT FCCID:2AZ6O-C800A 1.TESTFACILITY 2.EVALUATIONMETHODANDLIMIT HumanexposuretoRFemissionsfrommobiledevices(47CFR§2.1091)maybe evaluatedbasedontheMPElimitsadoptedbytheFCCforelectricandmagneticfield strengthand/orpowerdensity,asappropriate,sinceexposuresareassumedtooccurat distancesof20cmormorefrompersons. LIMITSFORGENERALPOPULATION/UNCONTROLLEDEXPOSURE Frequency Range (MHz) E-fieldStrength (E) (V/m) MagneticField Strength(H) (A/m) PowerDensity (S) (mW/cm 2 ) AveragingTime |E| 2 ,|H| 2 orS (Minutes) 0.3--1.346141.63(100)*30 1.34--30824/f2.19/f(180/f 2 )*30 30--30027.50.0730.230 300--1500----f/150030 1500--100,000----1.030 *Note: 1.f=FrequencyinMHz*Plane-waveEquivalentPowerDensity 2.TheaveragingtimeforGeneralPopulation/Uncontrolledexposuretofixedtransmitters isnotapplicableformobileandportabletransmitters.See47CFR§§2.1091and2.1093 onsource-basedtime-averagingrequirementformobileandportabletransmitters. S=PG/4πR² Where: S=powerdensity P=powerinputtoantenna G=powergainoftheantennainthedirectionofinterestrelativetoanisotropicradiator R=distancetothecenterofradiationoftheantenna Company:DongguanYaxu(AiT)technologyLimited Address: No.22,Jinqianling3rdStreet,Jitigang,Huangjiang,Dongguan ICRegistrationNumber6819A CABidentifierCN0117 Page 2 of 2 ReportNo.:ICAIT22112201NW2 DongguanYaxu(AiT)TechnologyLimited No.22,JinqianlingThirdStreet,Jitigang, Huangjiang,Dongguan, Guangdong,China. 3.CALCULATION Aminimumtestseparationdistance≥20cmisrequiredbetweentheantennaand radiatingstructuresofthedeviceandnearbypersonstoapplymobiledeviceexposure limits.Thedistancemustbeatleast20cmandfullysupportedbytheoperatingand installationconfigurationsofthetransmitteranditsantenna(s),accordingtothe source-basedtime-averagedmaximumpowerrequirementsof§2.1091(d)(2).Incases wherecablelossesorotherattenuationsareappliedtodeterminecompliance,themost conservativeoperatingconfigurationsandexposureconditionsmustbeevaluated. BLE:AntennaGain=0.8dBi(Numeric1.20),π=3.14 4.EUTOPERATIONCONDITION SettheEUTtotransmitatlowest,middleandhighestchannelindividuallyatmaximum power. Note:onlyworstcaserecordedinthetestreport. 5.TESTRESULT AntennaGain=1.0dBi(Numeric1.26),π=3.14 Note: 1.Onlytheworstcaserecorded. 2.Thecalculateddistanceis20cm. 6.CONCLUSION Remark:EUTmeetsthebasicrequirementsinthestandard. ----ENDOFREPORT---- FrequencyOutputPowerOutputPowerPowerDensityPowerDensityLimit MHzdBmmWmW/cm 2 mW/cm 2 420.25019.27484.605773440.021190 0.28 429.00019.67092.682982340.023213 0.286 438.80019.43587.801108710.021990 0.293

Page1of36ReportNo.:AIT22112201NW1 DongguanYaxu(AiT)TechnologyLimited No.22,JinqianlingThirdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. RADIOTESTREPORT FCCPart90 ClientInformation: Applicant:ShenzhenWeiguoTimesTechnologyCo.,Ltd Applicantadd.: 8thFloor,BlockC,WanguoCityPingiAvenueNanwanStreet,Longgang DistrictShenzhen518000China Manufacturer:ShenzhenTodakjCo.,Ltd. Manufactureradd.: No.40HuanDongRoad,TieGangIndustrialDistrict,Baoan,Shenzhen, China ProductInformation: ProductName:WirelessIntercomSystem ModelNo./HVIN:C800 BrandName:Chtoocy FCCID:2AZ6O-C800A PreparedBy: DongguanYaxu(AiT)TechnologyLimited No.22,JinqianlingThirdStreet,Jitigang,Huangjiang,Dongguan, Guangdong,China Tel.:+86-769-82020499Fax.:+86-769-82020495 DateofReceipt:2022.11.23DateofTest:2022.11.23~2023.03.22 DateofIssue:2023.03.22TestResult:Pass ThisdevicedescribedabovehasbeentestedbyDongguanYaxu(AiT)TechnologyLimitedandthe testresultsshowthattheequipmentundertest(EUT)isincompliancewiththeFCCrequirements. Anditisapplicableonlytothetestedsampleidentifiedinthereport. Note:Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofDongguan Yaxu(AiT)TechnologyLimited,thisdocumentmaybealteredorrevisedbyDongguanYaxu(AiT) TechnologyLimited,personalonly,andshallbenotedintherevisionofthedocument.Thistest reportmustnotbeusedbytheclienttoclaimproductendorsement. Reviewedby:Approvedby: SimbaHuangSeal.chen Page2of36ReportNo.:AIT22112201NW1 DongguanYaxu(AiT)TechnologyLimited No.22,JinqianlingThirdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. TableofContents Page 1TESTSTANDARDS................................................................................................................................................................3 2SUMMARY...........................................................................................................................................................................4 2.1PRODUCTDESCRIPTION............................................................................................................................................................4 2.2DESCRIPTIONOFTESTMODESANDTESTFREQUENCY....................................................................................................................4 2.3RELATEDSUBMITTAL(S)/GRANT(S)...........................................................................................................................................4 2.4MODIFICATIONS......................................................................................................................................................................4 3TESTENVIRONMENT...........................................................................................................................................................5 3.1TESTFACILITY..........................................................................................................................................................................5 3.2MEASUREMENTUNCERTAINTY..........................................................................................................................................5 3.3SUMMARYOFMEASUREMENTRESULTS........................................................................................................................................6 3.4EQUIPMENTSUSEDDURINGTHETEST.........................................................................................................................................6 4TESTCONDITIONSANDRESULTS.........................................................................................................................................8 4.1MAXIMUMTRANSMITTERPOWER..............................................................................................................................................8 4.2OCCUPIEDBANDWIDTHANDEMISSIONMASKTEST....................................................................................................................10 4.3TRANSMITTERRADIATEDSPURIOUSEMISSIONS..........................................................................................................................15 4.4SPURIOUSEMISSIONSONANTENNAPORT.................................................................................................................................19 4.5FREQUENCYSTABILITYTEST.....................................................................................................................................................20 4.6TRANSMITTERFREQUENCYBEHAVIOUR.....................................................................................................................................22 5ACLINECONDUCTEDEMISSIONSLIMITS.............................................................................................................25 5.1PROVISIONSAPPLICABLE..................................................................................................................................................25 5.2PRELIMINARYPROCEDUREOFLINECONDUCTEDEMISSIONTEST..................................................................................25 5.3FINALPROCEDUREOFLINECONDUCTEDEMISSIONTEST...............................................................................................26 5.4MEASUREMENTSETUP.........................................................................................................................................................26 5.5MEASUREMENTRESULT..........................................................................................................................................27 6RECEIVERRADIATEDEMISSIONSLIMITS .............................................................................................................29 6.1PROVISIONSAPPLICABLE..................................................................................................................................................29 6.2MEASUREMENTMETHOD...........................................................................................…

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Antenna report Anway radio frequency：Y e l l o w R i v e r phone：13510548234 Report：20220926 Time：2022.09.2 V 1 6 Project Debugging Plate cut State of frequency RIFD Overviewantenna band antennaAntenna TypeDesign areaMatching changes RODN/R finished 420MHz～439MHz product ODAN/A Prototype status machine environmental Passive debugging In t r o d u c t i o n t o Pr o j e c t De b u g g i n g Summary of Report Version D versions ATA V Content Overview 120220926Antenna debugging design status Project development environment Pa s s i v e e f f i c i e n c y t e s t i n g Gain&Efficiency 增益和效率 frequency 频率(MHz) gain 增益(dBi) mingain 最小增益(dBi) efficiency 效率(dBi) efficiency 效率(%) -17.51.420009-4.1238.73 -17.50.942572-4.2237.82 -17.40.942953-4.2237.87 -17.20.943132-4.0639.24 -17.30.943555-4.2137.93 -17.20.438995-4.2337.78 天线装配方式 Antenna structure Unit(mm) Structure Chart All information contained in this report is copyrighted by us and should not be The End disseminated to any third party without our permission.

Page 1 of 2 FCCID:2AZ6O-C800A IC:27400-C800A TESTSETUPPHOTOS RADIATEDEMISSIONTESTSETUPBELOW1GHz RADIATEDEMISSIONTESTSETUPABOVE1GHz Page 2 of 2 FCCID:2AZ6O-C800A IC:27400-C800A ConductedEmissions *************************EndofReport************************