SVNDH-DS21Wireless Chime

2 Wireless Chime Quick Start Guide V1.1.0 This chapter describes the contents covering proper handling of the device, hazard prevention, and prevention of property damage. Read these contents carefully before using the device, comply with them when using, and keep it well for future reference. About the Manual The manual is for reference only. If there is inconsistency between the manual and the actual product, the actual product shall prevail. We are not liable for any loss caused by the operations that do not comply with the manual. The manual would be updated according to the latest laws and regulations of related regions. For detailed information, see the paper manual, CD-ROM, QR code or our official website. If there is inconsistency between paper manual and the electronic version,the electronic version shall prevail. All the designs and software are subject to change without prior written notice. The product updates might cause some differences between the actual product and the manual. Please contact the customer service for the latest program and supplementary documentation. There still might be deviation in technical data, functions and operations description, or errors in print. If there is any doubt or dispute, please refer to our final explanation. Upgrade the reader software or try other mainstream reader software if the manual (in PDF format) cannot be opened. All trademarks, registered trademarks and the company names in the manual are the properties of their respective owners. 02 Troubleshooting 03 Important Safeguards and Warning Q: The device cannot work normally? Restore default settings of the device, and then configure the device again. Q: How to restore factory settings? Tap and hold the pairing button or the reset button for 10 seconds. The blue light will be on and then off, and voice prompts "Device is undergoing hard reset." Q: How to enter wireless configuration mode? Tap the pairing button, the indicator light flashes blue and voice prompts "Wi-Fi hotspot is enabled." Check the LED indicator light. If it is flashing blue, it means that the device failed to connect to the network. Make sure that the wireless router can connect to the network. If the network connection is successful, please configure network for the device again. Q: The device is not online? Start to Use 01 CAUTION If your Wi-Fi network signal is weak during the setup process, please move your router closer to your chime or add a Wi-Fi extender. Note that ordless product might affect the Wi-Fi signal. Do not place or install the device in a place exposed to sunlight or near the heat source. Keep the device away from dampness, dust or oot. Keep the device installed horizontally on the stable place to prevent it from falling. Do not drop or splash liquid onto the device, and make sure there is no object filled with liquid on the device to prevent liquid from flowing into the device. Install the device in a well-ventilated place, and do not block the ventilation of the device. Operate the device within the rated range of power input and output. Do not dissemble the device. Transport, use and store the device under the allowed humidity and temperature conditions. Operation Requirements Q: Connection is overtime? After the device has enabled hotspot, your smartphone doesn’t connect to the hotspot for a long time, which leads to connection overtime. Before the app prompts waiting to connect to the network, the device already starts configuration. a. b. Please visit our website, contact the supplier or customer service if there is any problem occurred when using the device. If there is any uncertainty or controversy, please refer to our final explanation. Step 1: Download and Log in to App 1 Connect your mobile phone to Wi-Fi , and then scan QR code below to download and install the app. 1 3 Step 2: Add Device Tap "+" at the upper-right conner on the Home page and tap SN/Scan Scan QR code on the device or the packaging box to get the SN, or manually enter the SN. Power on the chime, tap the pairing button to enable Wi-Fi hotspot, the voice prompts "Wi-Fi hotspot is enabled", and the indicator light flashes blue. 2 Run the app, and register an account for the first-time use. Step 3: Link Chime 1 2 3 4 Connect your mobile phone with hotspot. Hotspot Wi-Fi name is Doorbell-device serial number. 5 Go back to the app, and then set a password for your chime. 6 Follow the app guide to connect your chime. Note: Make sure that you have added a video doorbell. Setup Add Successfully Config Network Password Connect Chime Ring Linkage XXXXXXXXXXXXXXX Ring Setup Next Link Chime Ring Linkage Add Device Device Scan Setup Password OK Soft-AP enable device hotspot Next On app Home interface, select the video doorbell, and then tap Device Details. Tap Ring Linkage. The wireless chime list is displayed. Select the chime on the list, and then tap Save to add it. Legal and Regulatory Information Legal C onsiderations This product can be regulated by laws that vary from country to country. Check the laws in your local region before using it. Disclaimer Every care has been taken in the preparation of this document. Please contact us through the following contact information of any inaccuracies or omissions. Prosegur shall not be held responsible for any technical or typographical errors and reserves the right to make changes to the product and manuals without prior notice. Prosegur makes no warranty of any kind with regard to the material contained within this document, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Prosegur shall not be liable or responsible for incidental or consequential damages in connection with the furnishing, performance or use of this material. This product is only to be used for its intended purpose. Intellectual Property Rights Prosegur retains all intellectual property rights relating to technology embodied in the product described in…

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Zhejiang Dahua Vision Technology Co., Ltd Current Date 2022-10-15 To : SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. No. 588 West Jindu Road, Songjiang District, Shanghai, China. 201612 Dear Sir/Madam, Subject: Declaration Letter about Identity of Products *WE, Zhejiang Dahua Vision Technology Co., Ltd, HEREBY DECLARED THAT Our product: Product Description: Wireless Chime And the models below : Model No.: DH-DS21, DS21, DS21-USA, DHI-DS21 Manufacturer’s Name: Zhejiang Dahua Vision Technology Co., Ltd Manufacturer’s Address: No.1199, Bin'an Road, Binjiang District, Hangzhou, P.R. China with the model(s) below which samples we chose to be tested by SGS Model No.: DH-DS21 Manufacturer’s Name: Zhejiang Dahua Vision Technology Co., Ltd Manufacturer’s Address: No.1199, Bin'an Road, Binjiang District, Hangzhou, P.R. China *Except that the model number and appearance deviation, are identical with the original product as follows: Note: The definition of identical should be “electrically identical”. A device will be considered to be electrically identical if no changes are made to the devices’ schematics, board layouts, component layouts, chip sets, resistors and all other electrical aspects of the device are identical. Sincerely, Signature: Printed Name : Yolanda chen Position/Title : Certified Manager Contact Number: 0571-28822025

Zhejiang Dahua Vision Technology Co., Ltd Date: 2022-10-15 TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Regarding: SVNDH-DS21 To whom it may concern: We, the undersigned, hereby authorize Parlam Zhan to act on our behalf in all manners relating to application for equipment authorization with respect to the FCC ID above, including signing of all documents relating to these matters. Any and all acts carried out by the agent on our behalf shall have the same effect as acts of our own. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). Where our agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for Certification, as specified by SGS North America, Inc., still resides with Zhejiang Dahua Vision Technology Co., Ltd. This authorization is valid until further written notice from the applicant. Name (Printed): Yolanda chen Title: Certified Manager Signature: On behalf of Company: Zhejiang Dahua Vision Technology Co., Ltd Telephone: 0571-28822025

Applicant Declaration Applicant Declaration Rev:0. 0 SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Legal Business Name Zhejiang Dahua Vision Technology Co., Ltd Address No.1199, Bin'an Road, Binjiang District, Hangzhou, 310053, P.R. China Grantee Code SVN FCC ID SVNDH-DS21 Authorized Contact Name Yolanda chen Contact Email [email protected] Contact Phone 0571-28822025 I, the undersigned, certify that I am an authorized signatory for the Applicant and therefore declare; a) in accordance with 47CFR2.911(d), all of the statements herein and the exhibits attached hereto are true and correct to the best of my knowledge and belief. b) in accepting a Grant of Equipment Authorization issued by a TCB, under the authority of the FCC, as a result of the representations made in this application, the Applicant is responsible for: (1) labeling the equipment with the exact FCC ID as specified in this application, (2) compliance statement labeling pursuant to the applicable rules, (3) compliance of the equipment with the applicable technical rules, c) if the Applicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that production units of this equipment will continue to comply with the FCC’s technical requirements. d) in accordance with 47 CFR 2.909 and KDB394321, the Applicant has read, understood and agrees to accept that they are the responsible party and agree to abide by their responsibilities as specified under 47 CFR 2.909 and KDB394321. e) in accordance with ISO17065, FCC KDB641163, FCC KDB610077, KDB394321 and RSP-100, the Applicant has read, understood, accepts and agrees to abide by the post market surveillance requirements. (1) the Applicant understands, accepts and agrees that a sample may be requested for surveillance testing. (2) the Applicant shall make provisions to always have a production sample available upon request by SGS, FCC and/or ISED. (3) the Applicant shall, upon request by SGS, at the Applicant’s expense, provide a production sample of the requested product to SGS, FCC and/or ISED as instructed. The sample shall include all support devices, cables, software, accessories or other hardware or software required for evaluation, review, certification and audit surveillance of products certified by SGS. f) neither the Applicant nor any party to the application is subject to a denial of Federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. §862 because of a conviction for possession or distribution of a controlled substance. See 47CFR 1.2002(b) for the definition of a “party” for these purposes. g) the Applicant has read, understood, accepts and agrees to abide by the SGS North America, Inc.(TCB) terms and conditions. Link to CFRs: https://www.fcc.gov/wireless/bureau-divisions/technologies-systems-and-innovation-division/rules-regulations-title-47 Link to KDBs: https://apps.fcc.gov/oetcf/kdb/index.cfm Link to RSP-100: https://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf01130.html Applicant Signature: Date: 2022-10-15 Print Name: Yolanda chen Title: Certified Manager *NOTE: This declaration cannot be signed by an Agent, it shall be signed by an authorized person listed in the FCC database

Zhejiang Dahua Vision Technology Co., Ltd To: SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia United States From: Zhejiang Dahua Vision Technology Co., Ltd No.1199, Bin'an Road, Binjiang District, Hangzhou, 310052, P.R. China Regarding: Confidentiality Request regarding application for FCC ID: SVNDH-DS21 LONG TERM CONFIDENTIALITY Pursuant to 47 CFR Section 0.459 and 0.457 of the commission’s rules, the applicant hereby request confidential treatment of the documents listed below, associated with the certification application referenced above. Schematic(s) Block Diagrams Operational Descriptions The documents above contain proprietary information not released to the public. Public disclosure of this information may prove harmful to the business of the applicant. Sincerely, Signature: Printed Name (on file with the FCC associated with the Grantee Code): Yolanda chen Title: Certified Manager Company Name: Zhejiang Dahua Vision Technology Co., Ltd

Compliance Certification Services (Kunshan) Inc. Page: 1 of 4 External Photos for KSCR2210001926AT Test Model No.: DH-DS21 Compliance Certification Services (Kunshan) Inc. Page: 2 of 4 EUT Constructional Details (EUT Photos) Compliance Certification Services (Kunshan) Inc. Page: 3 of 4 Compliance Certification Services (Kunshan) Inc. Page: 4 of 4

Compliance Certification Services (Kunshan) Inc. Page: 1 of 8 In ternal Photos for KSCR2210001926AT Test Model No.: DH-DS21 Compliance Certification Services (Kunshan) Inc. Page: 2 of 8 EUT Constructional Details (EUT Photos) Compliance Certification Services (Kunshan) Inc. Page: 3 of 8 Compliance Certification Services (Kunshan) Inc. Page: 4 of 8 Compliance Certification Services (Kunshan) Inc. Page: 5 of 8 Compliance Certification Services (Kunshan) Inc. Page: 6 of 8 Compliance Certification Services (Kunshan) Inc. Page: 7 of 8 Compliance Certification Services (Kunshan) Inc. Page: 8 of 8

Compliance Certification Services (Kunshan) Inc. Report No.: KSCR221000192602 Page: 1 of 11 Eric Lin Laboratory Manager 1 Cover Page RF Exposure Evaluation Report Application No.: KSCR2210001926AT FCC ID: SVNDH-DS21 Applicant: ZHEJIANG DAHUA VISION TECHNOLOGY CO.,LTD. Address of Applicant: No.1199, Bin'an Road, Binjiang District, Hangzhou, P.R. China Manufacturer: ZHEJIANG DAHUA VISION TECHNOLOGY CO.,LTD. Address of Manufacturer: No.1199, Bin'an Road, Binjiang District, Hangzhou, P.R. China Equipment Under Test (EUT): EUT Name: Wireless Chime Model No.: DH-DS21, DS21, DS21-USA, DHI-DS21 Standard(s) : FCC Rules 47 CFR §2.1091 KDB 447498 D04 interim General RF Exposure Guidance v01 Date of Receipt: 2022-10-14 Date of Test: 2022-10-19 to 2022-10-24 Date of Issue: 2022-10-24 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. Compliance Certification Services (Kunshan) Inc. Report No.: KSCR221000192602 Page: 2 of 11 Revision Record Version Description Date Remark 00 Original 2022-10-24 / Authorized for issue by: Eric_Liu /Project Engineer Eric Lin /Reviewer Compliance Certification Services (Kunshan) Inc. Report No.: KSCR221000192602 Page: 3 of 11 2 Contents Page 1 COVER PAGE .................................................................................................................................... 1 2 CONTENTS ........................................................................................................................................ 3 3 GENERAL INFORMATION ................................................................................................................ 4 3.1 GENERAL DESCRIPTION OF E.U.T. ................................................................................................ 4 3.2 DETAILS OF E.U.T. ....................................................................................................................... 4 3.3 TEST LOCATION ............................................................................................................................ 5 3.4 TEST FACILITY .............................................................................................................................. 5 4 FCC RADIOFREQUENCY RADIATION EXPOSURE LIMITS .......................................................... 6 4.1 BLANKET 1 MW BLANKET EXEMPTION ........................................................................................... 6 4.2 MPE-BASED EXEMPTION .............................................................................................................. 6 4.3 SAR-BASED EXEMPTION ............................................................................................................... 7 5 MEASUREMENT AND CALCULATION .......................................................................................... 10 5.1 MAXIMUM TRANSMIT POWER ....................................................................................................... 10 5.2 RF EXPOSURE CALCULATION ...................................................................................................... 10 Compliance Certification Services (Kunshan) Inc. Report No.: KSCR221000192602 Page: 4 of 11 3 General Information 3.1 General Description of E.U.T. Power supply: DH-DS21 100-240V~ 0.5A 50/60Hz Test Voltage: AC 120V/60Hz 3.2 Details of E.U.T. Operation Frequency: 802.11b/g/n(HT20): 2412MHz to 2462MHz;802.11n(HT40): 2422MHz to 2452MHz Modulation Type: 802.11b: DSSS (CCK, DQPSK, DBPSK);802.11g/n: OFDM (64QAM, 16QAM, QPSK, BPSK) Number of Channels: 802.11b/g/n(HT20):11;802.11n(HT40):7 Channel Spacing: 5MHz Antenna Type: Antenna1: FPC Antenna Antenna2: FPC Antenna Antenna Gain: Antenna1:2.81dBi(Provided by the manufacturer) Antenna2:2.81dBi(Provided by the manufacturer) Directional gain:5.82dBi S/N: 8M0024EPAG43006 Firmware Version: V2.820.0000000.0 Compliance Certification Services (Kunshan) Inc. Report No.: KSCR221000192602 Page: 5 of 11 3.3 Test Location Compliance Certification Services (Kunshan) Inc. No.10 Weiye Rd, Innovation park, Eco&Tec, Development Zone, Kunshan City, Jiangsu, China. Tel: +86 512 5735 5888 Fax: +86 512 5737 0818 Note: 1.SGS is not responsible for wrong test results due to incorrect information (e.g. max. clock frequency, highest internal frequency, antenna gain, cable loss, etc ) is provided by the applicant. (if applicable). 2.SGS is not responsible for the authenticity, integrity and the validity of the conclusion based on results of the data provided by applicant. (if applicable) 3.4 Test Facility The test facility is recognized, certified, or accredited by the following organizations: • CNAS Compliance Certification Services (Kunshan) Inc. is accredited by the China National Accreditation Service for Conformity Assessment (CNAS). Registration No. CNAS L4354 • A2LA Compliance Certification Services (Kunshan) Inc. is accredited by the American Association for Laboratory Accreditation (A2LA). Certificate No. 2541.01. • FCC Compliance Certification Services (Kunshan) Inc. has been recognized as an accredited testing laboratory. Designation Number: CN1172. • ISED Compliance Certification Services (Kunshan) Inc. has been recognized by Innovation, Science and Economic Development Canada (ISED) as an accredited testing laboratory. Company Number: 2324E • VCCI The 3m and 10m Semi-anechoic chamber and Shielded Room of Compliance Certification Services (Kunshan) Inc. has been registered in accordance with the Regulations for Voluntary Control Measures with Registration No.: R-20134, R-11600, C-11707, T-11499, G-10216 respectively. Compliance Certification Services (Kunshan) Inc. Report No.: KSCR221000192602 Page: 6 of 11 4 FCC Radiofrequency radiation exposure limits Test exemptions apply for devices used in general population/uncontrolled exposure environments, according to the SAR-based, or MPE-based exemption thresholds. 4.1 Blanket 1 mW Blanket Exemption The 1 mW Blanket Exemption of §1.1307(b…

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GaokeAntCo.,Ltd. 1 SpecificationForApproval Customer： ZhejiangDahuaTechnologyCo.,Ltd. Supplier： GaoKeAntCo.,Ltd CustomerP/N： 1.2.20.01.10433 ProductionName： WIFIInternalAntenna ProductionNumber： GKZS-WIFI-AD3213-RF1.13I-60B SupplierSignature EngineerCheckedbyApprovedby HuangYuming XieQianjuYangJingsong 21-FeB-202221-FeB-202221-FeB-2022 CustomerSignature EngineerCheckedbyApprovedby Note:Afterthecustomerconfirmstheseal,pleasesendthisacknowledgementbacktoourcompany. GaoKeAntCo.,Ltd Address:No.22,GuangcongSouthRoad,Shengang,ConghuaDistrict,GuangzhouCity,Guangdong Province,China Tel:020-87080630/87080639/87080632 Fax:020-87080731 http://www.gkzs.com.cn GaokeAntCo.,Ltd. 2 DescriptionRecord Version ContentRevisedModifierDate A/0InitialnewXieQianju 21-FeB-2022 GaokeAntCo.,Ltd. 3 1、Productstructuredrawing（mm） Sign Place Change content Version Confirm/Date Name Surface treatment Third perspective： Auditing workmanship Standardization Approved Production Number Proportion Customer P/N： Unit mm Version Page Material Weight Design GaoKe Ant Co.,Ltd 1/1A1 blend technical parameters： 1、Frequency：2400-2500MHz 2、VSWR：≤2.0 3、Operating temperature:-40°C~80°C WIFI Internal Antenna GKZS-WIFI-AD3213-RF1.13I-60B FPC Thickness：0.12mm GK-W-AD3213-B0 31.7±0.5 1 3 ± 0 . 5 60±3 IEPX RF1.13 Cable（Gray） 2、Productpicture GaokeAntCo.,Ltd. 4 3、Antennatechnicalparameters Manufacturer'sinternalmodelGKZS-WIFI-AD3213-RF1.13I-60B TypeWIFI Frequency2400-2500MHz Form Passivebuilt-inantenna（FPC） PolarizationLinearpolarization V.S.W.R ≤2.0 Efficiency 45.8%（average）50.28%（peak） Gain 2.23dBi（average）2.81dBi（peak） ConnectortypeIPEX Antennasize31.7x13x0.12mm Feedertypeandsize RF1.13Cable（Gray）Length60mm Operatingtemperature -40°C~80°C Characteristicimpedance 50Ω Saltspraytest24H Weight ≤5g GaokeAntCo.,Ltd. 5 Innerconductor Insulation Outerconductor Jacket 4、SpecificationsofRF1.13wire 1.ProductDescription 1.1ThisproductissoftTefloninsulationseriescoaxialcable.Issuitablefor themicrowaveequipment,wirelesscommunicationsystemsandequipment. 1.2Productfeatures：Excellentflexi-ability,goodV.S.W.R,goodshielding performance. 2.Cablewithdataandstructurediagram: 2.1Structure diagram 2.2Specificationofcable： ItemNOMaterialsandsize Innerconductor Material / Silverplatedcopperwire Composition mm 7/0.08±0.003 OD mmΦ0.24 Insulation Material / TeflonFEP(200degreesoffluorinated ethylenepropyleneresin) Thickness mm0.21 OD mmΦ0.68±0.03 Color / transparentcolor Outerconductor Material / Tinnedcopperwire Form / Weave Density % 93%26Mesh；64Coding 4*16/0.05mm GaokeAntCo.,Ltd. 6 OD mmΦ0.88±0.05 JacketMaterial / TeflonFEP(200degreesoffluorinated ethylenepropyleneresin) Thickness mm0.125 OD mmΦ1.13±0.05 colorofsheath / Grayorblack（Canalsobeprocessed accordingtocustomerrequirements） 1.Thecableproperties 1.1 Electricalproperties testproject Standardvalue Note Ratedtemperature/ voltage -55°C～+200°C/30V/ Insulatio n resistance 3000MΩ.Km Resistancetester Conductorresistance 482Ω/Km20°C/ Pressure 2KV Withstandvoltagetester Insulation Unaged Tensile Strength 2500PSIMIN.（1.76Kg/mm²） Elongation 200％MIN Aged Tensile Strength 2500PSI*75％(168HRS*232°C) Elongation 200％MIN*75％(168HRS*232°C) Jacket Unaged Tensile Strength 2500PSIMIN.（1.76Kg/mm²） Elongation 200％MIN Aged Tensile Strength 2500PSI*75％(168HRS*232°C) Elongation 200％MIN*75％(168HRS*232°C) GaokeAntCo.,Ltd. 7 characteristic impedance 50±2Ω Analysisofnetworkanalyzer TheTRKtester Capacitance 96±3PF/M Digitalcapacitancemeter Velocity 69% Analysisofnetworkanalyzer PropagationDelay 4．8ns/m/ Shielding attenuation 100dB/ Bendingradius ＜7mm/ （UL） Flameretardant passed VW-1providesmaterialreport Attenuation( dB/m ) testfrequencyAttenuation Sealevelto20DEGCtest 0.1GHz0.42 0.4GHz0.58 1GHz2.20 2GHz3.40 3GHz4.20 4GHz4.50 5GHz5.20 6GHz5.60 VSWR 0.3—3GHz≤1.35 3—6GHz≤1.45 GaokeAntCo.,Ltd. 8 5、IPEX(generation)Specifications GaokeAntCo.,Ltd. 9 6、Antennaperformancetest(withprototypetest) 6.1、Returnloss&V.S.W.R 6.2、Directionmap（2D&3Dmap） GaokeAntCo.,Ltd. 10 GaokeAntCo.,Ltd. 11 6.3、Efficiencygraph 6.4、Gaincurvegraph GaokeAntCo.,Ltd. 12 ReliabilityTestReport client's name： ZhejiangDahuaTechnology Co.,Ltd. customer number： / product name： WIFIInternalAntenna Product number GKZS-WIFI-AD3213-RF1.13I-60B Test items TestConditionsjudgementstandard quantit y result high temperat ure storage 12hoursin85°C±2°C environment； Allsizesmeetthe requirements;the appearanceisfreefrom deformation,degumming, rust,watermarks,etc.;the wiresarenotdamaged, melted,bubbles,etc.;the performanceisnormal 1PCS qualifi ed low temperat ure storage 12hoursin-40°C±2°C environment； Allsizesmeetthe requirements;no deformation,degumming, rust,watermark,etc.in appearance;normal performance 1PCS qualifi ed temperat urecycle 1.Placein-20°Cfor30 minutes,25°Cfor5 minutes,70°Cfor30 minutes,and25°Cfor5 minutes 2.Cycletimes:5times; Allsizesmeetthe requirements;no deformation,degumming, rust,watermark,etc.in appearance;normal performance 1PCS qualifi ed heat resistan t Placefor4hoursina temperatureof40°C± 2°Candahumidityof93 ±2%RH； Allsizesmeetthe requirements;no deformation,degumming, rust,watermark,etc.in appearance;normal performance 1PCS qualifi ed Salt spray test Placeinaclosed environmentwithsodium chloridesolution concentrationof5%(㎡), PHvalueof6.5-7.2, temperatureof35°C± 2°C,humidity>85%RHfor 24hours Thecableheadhasno oxidation,yellowing, greening,redrust,white rust,etc.;theperformance isnormal 1PCS qualifi ed GaokeAntCo.,Ltd. 13 Productpicturebeforesample：Productmapaftersample： Testequipment： Compilatio n/Date： XieQianju/16-Jan-2022 Review/Dat e： YangJingsong/17-Jan-2022 Note：

Compliance Certification Services (Kunshan) Inc. Page: 1 of 4 Appendix Photographs of Test Setup for KSCR2210001926AT Test Model No.: DH-DS21 Compliance Certification Services (Kunshan) Inc. Page: 2 of 4 Test Setup Photo Conducted Emissions at AC Power Line (150kHz-30MHz) RF conducted setup Compliance Certification Services (Kunshan) Inc. Page: 3 of 4 Radiated Emissions which fall in the restricted bands Radiated Spurious Emissions Below 1GHz Compliance Certification Services (Kunshan) Inc. Page: 4 of 4 Radiated Spurious Emissions Above 1GHz