2ARXS-ZKC21BElectronic Shelf Label

HangZhou Zkong Networks Co., Ltd 2.911 (d)(5)(i) Equipment Type Attestation v1.2 Section 2.911(d)(5)(i) Certification – EquipmentType Company name: HangZhou Zkong Networks Co., Ltd Address: Room 2201, Building 1, No.558 Science and Technology Park Road, Baiyang Street,Hangzhou ETDZ, Zhejiang Province, China Product Name: Electronic Shelf Label FCCID: 2ARXS-ZKC21B Model(s): ZKC21B, ZKC18B, ZKC22B, ZKC24B, ZKC26B, ZKC27B, ZKC29B, ZKC26BP, ZKC30B, ZKC35B, ZKC37B, ZKC42B, ZKC42BP, ZKC43B, ZKC44B, ZKC45B, ZKC58B, ZKC73B, ZKC75B, ZKC82B, ZKC102B, ZKC97B, ZKC15V, ZKC18V, ZKC26V, ZKC29V, ZKC35V, ZKC37V, ZKC42V, ZKC58V, ZKC75V, ZKC102V, ZKC116V, ZKC133V, ZKC15S, ZK21SF, ZK26SF, ZKC27S, ZKC26S, ZKC29S, ZKC37S, ZKC42S, ZKC59V 2.911(d)(5)(i) EquipmentType We, [HangZhou Zkong Networks 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: Richard Shi Date: Apr. 28, 2024 Title: CEO Company name: HangZhou Zkong Networks Co., Ltd Signature: 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

HangZhou Zkong Networks Co., Ltd 2.911 (d)(5)(ii) Applicant Attestation v1.3 Section 2.911(d)(5)(ii) Certification – Applicant (Covered List ) Company name: HangZhou Zkong Networks Co., Ltd Address: Room 2201, Building 1, No.558 Science and Technology Park Road, Baiyang Street,Hangzhou ETDZ, Zhejiang Provinc e, China Product Name: Electronic Shelf Label FCCID: 2ARXS-ZKC21B Model(s): ZKC21B, ZKC18B, ZKC22B, ZKC24B, ZKC26B, ZKC27B, ZKC29B, ZKC26BP, ZKC30B, ZKC35B, ZKC37B, ZKC42B, ZKC42BP, ZKC43B, ZKC44B, ZKC45B, ZKC58B, ZKC73B, ZKC75B, ZKC82B, ZKC102B, ZKC97B, ZKC15V, ZKC18V, ZKC26V, ZKC29V, ZKC35V, ZKC37V, ZKC42V, ZKC58V, ZKC75V, ZKC102V, ZKC116V, ZKC133V, ZKC15S, ZK21SF, ZK26SF, ZKC27S, ZKC26S, ZKC29S, ZKC37S, ZKC42S, ZKC59V 2.911(d)(5)(ii) Applicant filing We, [HangZhou Zkong Networks 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: Richard Shi Date: Apr. 28, 2024 Title: CEO Company name: HangZhou Zkong Networks Co., Ltd Signature: 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

HangZhou Zkong Networks Co., Ltd 2.911 (d)(7)USA Agentv1.3 Section 2.911(d)(7) USA Agent for Service of Process Company name: HangZhou Zkong Networks Co., Ltd Address: Room 2201, Building 1, No.558 Science and Technology Park Road, Baiyang Street,Hangzhou ETDZ, Zhejiang Province, China Product Name: Electronic Shelf Label FCC ID: 2ARXS-ZKC21B Model(s):ZKC21B, ZKC18B, ZKC22B, ZKC24B, ZKC26B, ZKC27B, ZKC29B, ZKC26BP, ZKC30B, ZKC35B, ZKC37B, ZKC42B, ZKC42BP, ZKC43B, ZKC44B, ZKC45B, ZKC58B, ZKC73B, ZKC75B, ZKC82B, ZKC102B, ZKC97B, ZKC15V, ZKC18V, ZKC26V, ZKC29V, ZKC35V, ZKC37V, ZKC42V, ZKC58V, ZKC75V, ZKC102V, ZKC116V, ZKC133V, ZKC15S, ZK21SF, ZK26SF, ZKC27S, ZKC26S, ZKC29S, ZKC37S, ZKC42S, ZKC59V 2.911(d)(7) USA Designated Agent for Service of Process We, [HangZhou Zkong Networks Co., Ltd] (“the applicant”) designate [USA MEIHUA TRADING INC] NOTE1 for the purpose of accepting service of process on behalf of the applicant. Applicant consent: We Acknowledgeour consent to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and email address of the designated agent and acknowledgeour acceptance of our 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. Agent obligation:We Acknowledgeourobligation to accept service of process in the United States for matters related to the applicable equipment at our physical U.S. address and email addressfor 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. Co m Add 803 FC C Con Tele Ema Sign Titl e Dat NO T of pr Refe https al-se mpany: USA dress:5379 301 United S C Registrati ntact Name ephone No: ail: meihua. nature: e:Manager e: Apr. 03, TE 1: An app rocess. erence;Federa s://www.fede ecurity-threa HangZ A MEIHUA T Pine Valley States ion Number :Harley Qui 1-312-363 .trading.inc@ 2024 plicant locate al Register doc eralregister.g ats-to-the-com Zhou Zko TRADING I y Ct Boulder r:00334061 nn -9424 @gmail.com d in the Unite cument 2022-2 gov/documen mmunication ong Net INC r CO 66 m A C N A S B P F C 00 FC C Te E S T D ed States ma 28263 publish nts/2023/02/0 s-supply-cha tworks C pplicant Company na etworks Co ddress: Roo aiyang Stre rovince, Ch CC Registra 028044436 CC Grantee Contact Nam elephone N mail:info@z ignature: itle: CEO ate: Apr. 11 ay designate hed on 02/06/2 06/2022-282 ain-through-t Co., Ltd 2.911 ame: HangZ o., Ltd om 2201, B cience and T echnology eet,Hangzho hina ation Numb e Code:2AR me: Richard No:0571-867 zkong.com 1, 2024 e itself as the 23 263/protecting the (d)(7)USA Agen Zhou Zkong Building 1, N y Park Road ou ETDZ, Z ber (FRN): RXS Shi 727532 agent for se g-against-na ntv1.3 No.558 d, Zhejiang rvice ation

HangZhou Zkong Networks Co., Ltd Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Apr. 28, 2024 Subject; Request for Confidentiality FCC ID: 2ARXS-ZKC21B 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 Parts List Operational Description Tune-up Procedure 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); External Photos Test Setup Photos Internal Photos 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: Richard Shi Title: CEO

HangZhou Zkong Networks Co., Ltd Model Difference Declaration To Whom It May Concern, We, HangZhou Zkong Networks Co., Ltd (Electronic Shelf Label) ; Model Number: ZKC21B, ZKC18B, ZKC22B, ZKC24B, ZKC26B, ZKC27B, ZKC29B, ZKC26BP, ZKC30B, ZKC35B, ZKC37B, ZKC42B, ZKC42BP, ZKC43B, ZKC44B, ZKC45B, ZKC58B, ZKC73B, ZKC75B, ZKC82B, ZKC102B, ZKC97B, ZKC15V, ZKC18V, ZKC26V, ZKC29V, ZKC35V, ZKC37V, ZKC42V, ZKC58V, ZKC75V, ZKC102V, ZKC116V, ZKC133V, ZKC15S, ZK21SF, ZK26SF, ZKC27S, ZKC26S, ZKC29S, ZKC37S, ZKC42S, ZKC59V; Model Difference: All model's the function, software and electric circuit are the same, only with product model named different. Test sample model: ZKC21B. Please contact me if you have any question. Signature: Date: Apr. 28, 2024 Name: Richard Shi Title: CEO

HangZhou Zkong Networks Co., Ltd Agent Authorization Company: HangZhou Zkong Networks Co., Ltd Address: Room 2201, Building 1, No.558 Science and Technology Park Road, Baiyang Street,Hangzhou ETDZ, Zhejiang Province, China Product Name: Electronic Shelf Label Model Number(s): ZKC21B, ZKC18B, ZKC22B, ZKC24B, ZKC26B, ZKC27B, ZKC29B, ZKC26BP, ZKC30B, ZKC35B, ZKC37B, ZKC42B, ZKC42BP, ZKC43B, ZKC44B, ZKC45B, ZKC58B, ZKC73B, ZKC75B, ZKC82B, ZKC102B, ZKC97B, ZKC15V, ZKC18V, ZKC26V, ZKC29V, ZKC35V, ZKC37V, ZKC42V, ZKC58V, ZKC75V, ZKC102V, ZKC116V, ZKC133V, ZKC15S, ZK21SF, ZK26SF, ZKC27S, ZKC26S, ZKC29S, ZKC37S, ZKC42S, ZKC59V Product Description: Electronic Shelf Label 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: Apr. 28, 2024 Name: Richard Shi Title: CEO Company: HangZhou Zkong Networks Co., Ltd

FCC ID LABEL: Ca. 8mm x 20mm label location FCC ID: 2ARXS‐ZKC21B

FCC RF Exposure EUT Description: Electronic Shelf Label Model No.: ZKC21B FCC ID: 2ARXS‐ZKC21B 1. Limits According to KDB 447498 D01 General RF Exposure Guidance v06 The 1‐g and 10‐g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤50 mm are determined by: [(max power of channel, including tune‐up tolerance, mW)/(min. test separation distance, mm)]·[√ f(GHz)]≤3.0 for 1‐g SAR and ≤ 7.5 for 10‐g extremity SAR, Where: Result=P/D*√F F= the RF channel transmit frequency in GHz P=Maximum turn‐up power in mw D=Min. test separation distance in mm 2. Test Result of RF Exposure Evaluation Frequency (MHz) Output power (dBm) Tune Up Power (dBm) Max Tune Up power dBm/mW Min test separatio n distance mm Result Limit (mW/cm 2 ) SAR Test Exclusion 2480 0.91 0±1 1/1.26 5 0.397 3.0 Pass Note: PK Output power= conducted power. Conducted power see the test report HK2404071577‐E, antenna gain= 4.83dBi Per KDB 447498 D01, when the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine RF Exposure test exclusion. The test exclusion threshold is 0.397 which is<= 3, RF Exposure testing is not required. Note: Exclusion Thresholds Results=[(max. power of channel, including tune‐up tolerance, mW)/(min. test separation distance, mm)] ·[√f(GHz)] f(GHz) is the RF channel transmit frequency in GHz Distance=5mm

胜百信息科技有限公司 SUNPARL INFORMATION TECHNOLOGY CO.,LTD - 1 - Specification number: 20190705S02 Product specification Product name： Onboard omnidirectional antenna Product model： Price tag onboard antenna within Allow： Electrical performance report Customer item No： Draw up： ZHEJIANG SUNPARL INFORMATION TECHNOLOGY CO.,LTD custome r： approv al： approv al ： confir m： confir m ： 胜百信息科技有限公司 SUNPARL INFORMATION TECHNOLOGY CO.,LTD - 2 - 目录 一、 Product overview ----------------------------------- Page3 二、 Product performance index -------------------------- Page3 三、 Antenna standing wave diagram ---------------------- Page4 四、 Antenna parameters --------------------------------- Page6 胜百信息科技有限公司 SUNPARL INFORMATION TECHNOLOGY CO.,LTD - 3 - 1、 summary This report provides the test status of various electrical performance parameters of the price tag onboard antenna produced by (sunparl). 2、 performance index 2.1.1Electrical performance index Frequency range - MHz 2400-2500MHz Bandwidth MHz 83 Gain - DBI 4.83 Horizontal lobe width - ° 360° Vertical lobe width - ° 60° Standing wave ratio VSWR ≤2 Input impedance - Ω 50Ω Polarization mode vertica l Antenna standing wave diagram 胜百信息科技有限公司 SUNPARL INFORMATION TECHNOLOGY CO.,LTD - 4 - 3 、Antenna standing wave diagram： 胜百信息科技有限公司 SUNPARL INFORMATION TECHNOLOGY CO.,LTD - 5 - 4、 Antenna parameters The radiation diagram is as follows: 2450MHz 胜百信息科技有限公司 SUNPARL INFORMATION TECHNOLOGY CO.,LTD - 6 - 4.2 Antenna gain 2.4G 2400 2420 24402460 2480 2500 1#port 4.45 4.34 4.48 4.83 4.59 4.24 Test frequency：2440MHZ Peak level：48.89db 3 DB width:97.05° Anterior posterior ratio：0.00DB Directivity value：4.48dbi frequen cy peak value 3dB width Directivity value Directivit y value 2440 -48.89 97.05 0.00 4.48

Page 1 of 41 Report No.: HK2404071577-E FCC Test Report Test Report On Behalf of HangZhou Zkong Networks Co., Ltd For Electronic Shelf Label Model No.: ZKC21B, ZKC18B, ZKC22B, ZKC24B, ZKC26B, ZKC27B, ZKC29B, ZKC26BP, ZKC30B, ZKC35B, ZKC37B, ZKC42B, ZKC42BP, ZKC43B, ZKC44B, ZKC45B, ZKC58B, ZKC73B, ZKC75B, ZKC82B, ZKC102B, ZKC97B, ZKC15V, ZKC18V, ZKC26V, ZKC29V, ZKC35V, ZKC37V, ZKC42V, ZKC58V, ZKC75V, ZKC102V, ZKC116V, ZKC133V, ZKC15S, ZK21SF, ZK26SF, ZKC27S, ZKC26S, ZKC29S, ZKC37S, ZKC42S, ZKC59V FCC ID: 2ARXS-ZKC21B Prepared For: HangZhou Zkong Networks Co., Ltd Room 2201, Building 1, No.558 Science and Technology Park Road, Baiyang Street,Hangzhou ETDZ, Zhejiang Province, China Prepared By: Shenzhen HUAK Testing Technology Co., Ltd. 1-2/F., Building B2, Junfeng Zhongcheng Zhizao Innovation Park, Heping, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Date of Test: Apr. 07, 2024 ~ Apr. 11, 2024 Date of Report: Apr. 11, 2024 Report Number: HK2404071577-E Page 2 of 41 Report No.: HK2404071577-E Test Result Certification Applicant’s Name ................... : HangZhou Zkong Networks Co., Ltd Address .................................... : Room 2201, Building 1, No.558 Science and Technology Park Road, Baiyang Street,Hangzhou ETDZ, Zhejiang Province, China Manufacturer's Name ............. : Zhejiang Sunparl Information Technology Co., Ltd Address .................................... : No19, Xinxing Road, Haining Lianhang Economic Zone, Zhejiang, China Product Description Trade Mark ................................. : N/A Product Name ............................ : Electronic Shelf Label Model and/or Type Reference .. : ZKC21B, ZKC18B, ZKC22B, ZKC24B, ZKC26B, ZKC27B, ZKC29B, ZKC26BP, ZKC30B, ZKC35B, ZKC37B, ZKC42B, ZKC42BP, ZKC43B, ZKC44B, ZKC45B, ZKC58B, ZKC73B, ZKC75B, ZKC82B, ZKC102B, ZKC97B, ZKC15V, ZKC18V, ZKC26V, ZKC29V, ZKC35V, ZKC37V, ZKC42V, ZKC58V, ZKC75V, ZKC102V, ZKC116V, ZKC133V, ZKC15S, ZK21SF, ZK26SF, ZKC27S, ZKC26S, ZKC29S, ZKC37S, ZKC42S, ZKC59V Standards ................................ : 47 CFR FCC Part 15 Subpart C 15.247 KDB 558074 D01 15.247 Meas Guidance v05r02 ANSI C63.10: 2013 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HUAK Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HUAK Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Date of Test .............................................. : Date (s) of Performance of Tests ............... : Apr. 07, 2024 ~ Apr. 11, 2024 Date of Issue ............................................. : Apr. 11, 2024 Test Result ................................................. : Pass Testing Engineer Len Liao Technical Manager Sliver Wan Authorized Signatory Jason Zhou Page 3 of 41 Report No.: HK2404071577-E Contents Page 1 Test Summary ................................................................................................................................................ 5 1.1 Test Description ......................................................................................................................................... 5 1.2 Measurement Uncertainty ......................................................................................................................... 6 1.3 Information of the Test Laboratory ............................................................................................................ 6 2 General Information ....................................................................................................................................... 7 2.1 General Description of EUT ...................................................................................................................... 7 2.2 Description of Test Conditions .................................................................................................................. 9 2.3 Description of Test Setup ........................................................................................................................ 10 2.4 Description of Support Units .................................................................................................................... 11 3 Equipments List for All Test Items ............................................................................................................. 12 4 Test Result .................................................................................................................................................... 13 4.1 Antenna Requirement.............................................................................................................................. 13 4.2 Conduction Emissions Measurement ...................................................................................................... 14 4.3 Radiated Emissions Measurement .......................................................................................................... 17 4.4 Maximum Output Power Measurement ................................................................................................... 26 4.5 Power Spectral Density ........................................................................................................................... 27 4.6 6dB Bandwidth ........................................................................................................................................ 30 4.7 Occupied Bandwidth ................................................................................................................................ 33 4.8 Band Edge ............................................................................................................................................... 34 4.9 Conducted Spurious Emissions ....................................................…

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Model: ZKC21B Radiated Emission