2A8T7KINGS6KINGBOLEN S6

FCC Requirement Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the 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. Note: 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 against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy, and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following 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. FCC WARNING This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. End user must follow the specififi c operating instructions for satisfying RF exposure compliance. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. The mobile device is designed to meet the requirements for exposure to radio waves established by the Federal Communications Commission (USA). These requirements set a SAR limit of 1.6 W/kg averaged over one gram of tissue. The highest SAR value reported under this standard during product certififi cation for use when properly worn on the body is 1.493 W/kg. For body operation, this device has been tested and meets FCC RF exposure guidelines when used with any accessory that contains no metal and that positions a minimum of 0mm from the body. Use of other accessories may not ensure compliance with FCC RF exposure guidelines. Operation in the band 5180–5240 MHz is only for indoor use to reduce the potential for harmful interference to co- channel mobile satellite systems. IC Requirement This device contains licence-exempt transmitter(s)/ receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence- exempt RSS(s). Operation is subject to the following two conditions: (1) This device may not cause interference. (2)This device must accept any interference, including interference that may cause undesired operation of the device. L'émetteur/récepteur exempt de licence contenu dans le présent appareil est conforme aux CNR d'Innovation, Sciences et Développement économique Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes : 1)L'appareil ne doit pas produire de brouillage; 2)L'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre l e fonctionnement. IC WARNING Cet équipement est conforme aux limites d’exposition aux rayonnements ISED établies pour un environnement non contrôlé. L’utilisateur fifi nal doit suivre les instructions spécififi ques pour satisfaire les normes. Cet émetteur ne doit pas être co-implanté ou fonctionner en conjonction avec toute autre antenne ou transmetteur. Le dispositif portatif est conçu pour répondre aux exigences d’exposition aux ondes radio établie par ledéveloppement énergétique DURABLE. Ces exigences un SAR limite de 1,6 W/kg en moyenne pour un gramme de tissu. La valeur SAR la 1.493W/kg plus élevée signalée en vertu de cette norme lors de la certififi cation de produit à utiliser lorsqu’il est correctement porté sur le corps. All LE-LAN devices contain security features to protect against modification of software by unauthorized parties.

Shenzhen Kingbolen Electrics Technology Co., Ltd. 2.911 (d)(5)(i) Equipment Type Attestation v1.2 Section 2.911(d)(5)(i) Certification – Equipment Type Company name: Shenzhen Kingbolen Electrics Technology Co., Ltd. Address: B1020-1028 Yousong Technology Building, 1st Donghuan Rd., Longhua Dist., Shenzhen, China Product Name: KINGBOLEN S6 FCC ID: 2A8T7KINGS6 Model(s): S6 2.911(d)(5)(i) Equipment Type We, [Shenzhen Kingbolen Electrics Technology 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: Nifeng Liu Date: 2023.02.28 Title and Company name: Manager / Shenzhen Kingbolen Electrics Technology Co., Ltd. NOTE 1 “Covered List ”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

Shenzhen Kingbolen Electrics Technology Co., Ltd. 2.911 (d)(5)(ii) Applicant Attestation v1.2 Section 2.911(d)(5)(ii) Certification – Applicant (Covered List ) Company name: Shenzhen Kingbolen Electrics Technology Co., Ltd. Address: B1020-1028 Yousong Technology Building, 1st Donghuan Rd., Longhua Dist., Shenzhen, China Product Name: KINGBOLEN S6 FCC ID: 2A8T7KINGS6 Model(s): S6 2.911(d)(5)(ii) Applicant filing We, [Shenzhen Kingbolen Electrics Technology 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: Nifeng Liu Date: 2023.02.28 Title and Company name: Manager / Shenzhen Kingbolen Electrics Technology Co., Ltd. NOTE 1 Delete option not applicable to this application. NOTE 2 “Covered List ”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

Shenzhen Kingbolen Electrics Technology Co., Ltd. Agent Authorization Company: Shenzhen Kingbolen Electrics Technology Co., Ltd. Address: B1020-1028 Yousong Technology Building, 1st Donghuan Rd., Longhua Dist., Shenzhen, China Product Name: KINGBOLEN S6 Model Number(s): S6 Product Description: KINGBOLEN S6 We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: 2023.02.28 Name: Nifeng Liu Title: Manager Company: Shenzhen Kingbolen Electrics Technology Co., Ltd.

Shenzhen Kingbolen Electrics Technology Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: February 28, 2023 Subject; Request for Confidentiality FCC ID: 2A8T7KINGS6 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 FCC Software Security Requirements for UNII devices 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 pursuant to 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: Nifeng Liu Title: Manager

EUT PHOTO(External Photos) FCC ID: 2A8T7KINGS6 IC: 29442-KINGS6

Label and Information FCC Label Sample FCC Label Specifications Text is Black in color and is justified. Labels are printed in indelible ink on permanent adhesive backing or silk-screened onto the EUT or shall be affixed at a conspicuous location on the EUT. Where the EUT is constructed in two or more sections connected by wires and marketed together, the above statement is required to be affixed only to the main control unit. When the EUT is so small or for such use that it is not practicable to place the statement on it, the above information shall be placed in a prominent location in the instruction manual or pamphlet supplied to the user or, alternatively, shall be placed on the container in which the device is marketed. FCC Label Location

EUT PHOTO(Internal Photos) FCC ID: 2A8T7KING7 IC: 29442-KING7 ※※※※※ END OF REPORT ※※※※※ BT/Wi-Fi ANT

Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 1 of 56 TEST REPORT Reference No. .................... : WTX23X01002266W FCC ID ................................ : 2A8T7KINGS6 Applicant ........................... : Shenzhen Kingbolen Electrics Technology Co., Ltd. Address ............................. : B1020-1028 Yousong Technology Building, 1st Donghuan Rd.,Longhua Dist., Shenzhen, China Manufacturer ..................... Shenzhen Kingbolen Electrics Technology Co., Ltd. Address ............................. B1020-1028 Yousong Technology Building, 1st Donghuan Rd.,Longhua Dist., Shenzhen, China Product Name ................... : KINGBOLEN S6 Model No.. .......................... : S6 Standards .......................... : FCC Part 2.1093, IEEE Std C95.1: 2019 IEEE Std C95.3: 2002 + Rev. 2008 Date of Receipt sample .... : 2023-01-05 Date of Test........................ : 2023-01-05 to 2023-01-09 Date of Issue ..................... : 2023-01-09 Test Report Form No. ....... : WTX_Part2_1093W Test Result ......................... : Pass Remarks: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of approver. Prepared By: Waltek Testing Group (Shenzhen) Co., Ltd. Address: 1/F., Room 101, Building 1, Hongwei Industrial Park, Liuxian 2nd Road, Block 70 Bao'an District, Shenzhen, Guangdong, China Tel.: +86-755-33663308 Fax.: +86-755-33663309 Email: [email protected] Tested by: Approved by: Jack Sun Silin Chen Reference No.: WTX23X01002266W Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 2 of 56 TABLE OF CONTENTS 1. General Information ................................................................................................................................................... 4 1.1 Product Description for Equipment Under Test (EUT) ......................................................................................... 4 1.2 Test Standards .................................................................................................................................................... 6 1.3 Test Methodology ................................................................................................................................................ 6 1.4 Test Facility ......................................................................................................................................................... 6 2. Summary of Test Results .......................................................................................................................................... 7 3. Specific Absorption Rate (SAR) ................................................................................................................................ 8 3.1 Introduction .......................................................................................................................................................... 8 3.2 SAR Definition ..................................................................................................................................................... 8 4. SAR Measurement System ........................................................................................................................................ 9 4.1 The Measurement System .................................................................................................................................. 9 4.2 Probe ................................................................................................................................................................... 9 4.3 Probe Calibration Process ................................................................................................................................. 11 4.4 Phantom ............................................................................................................................................................ 11 4.5 Device Holder .................................................................................................................................................... 12 4.6 Test Equipment List ........................................................................................................................................... 13 5. Tissue Simulating Liquids ....................................................................................................................................... 14 5.1 Composition of Tissue Simulating Liquid ........................................................................................................... 14 5.2 Tissue Dielectric Parameters for Head and Body Phantoms ............................................................................. 15 5.3 Tissue Calibration Result ................................................................................................................................... 16 6. SAR Measurement Evaluation ................................................................................................................................ 17 6.1 Purpose of System Performance Check ............................................................................................................ 17 6.2 System Setup .................................................................................................................................................... 17 6.3 Validation Results .............................................................................................................................................. 18 7. EUT Testing Position ............................................................................................................................................... 19 7.1 Body Position ....................................................…

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Project No.: ZKT-221228L9756E-2 Page 1 of 74 FCC TEST REPORT FCC ID:2A8T7KINGS6 Report Number. ................................ : ZKT-221228L9756E-2 Date of Test ......................................... December 27, 2022 to March 6, 2023 Date of issue ..................................... : March 7, 2023 Total number of pages ....................... 74 Test Result ...................................... : PASS Testing Laboratory. ........................ : Shenzhen ZKT Technology Co., Ltd. Address ........................................... : 1/F, No. 101, Building B, No. 6, Tangwei Community Industrial Avenue, Fuhai Street, Bao'an District, Shenzhen, China Applicant's name ......................... : Shenzhen Kingbolen Electrics Technology Co., Ltd. Address ........................................... : B1020-1028 Yousong Technology Building, 1st Donghuan Rd., Longhua Dist., Shenzhen, China Manufacturer's name ................... : Shenzhen Kingbolen Electrics Te chnology Co., Ltd. Address ........................................... : B1020-1028 Yousong Technology Building, 1st Donghuan Rd., Longhua Dist., Shenzhen, China Test specification: Standard ........................................... : FCC CFR Title 47 Part 15 Subpart C Section 15.247 ANSI C63.10:2013 Test procedure ................................. : / Non-standard test method .............. : N/A Test Report Form No. .................... : TRF-EL-112_V0 Test Report Form(s) Originator .... : ZKT Testing Master TRF ................................... : Dated: 2021-07-06 This device described above has been tested by ZKT, and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. This report shall not be reproduced except in full, without the written approval of ZKT, this document may be altered or revised by ZKT, personal only, and shall be noted in the revision of the document. Product name ................................. : KINGBOLEN S6 Trademark ....................................... : KINGBOLEN Model/Type reference ....................... : S6 Ratings .............................................. : DC 7.6V by battery, USB 5V Charging Project No.: ZKT-221228L9756E-2 Page 2 of 74 Testing procedure and testing location: Testing Laboratory ..................................... :Shenzhen ZKT Technology Co., Ltd. Address ...................................................... :1/F, No. 101, Building B, No. 6, Tangwei Community Industrial Avenue, Fuhai Street, Bao'an District, Shenzhen, China Tom Zou Tested by (name + signature) .................... : Jackson Fang Reviewer (name + signature) ..................... : Lake Xie Approved (name + signature) .................... : Project No.: ZKT-221228L9756E-2 Page 3 of 74 Table of Contents Page 1. VERSION ............................................................... 5 2. TEST SUMMARY ........................................................ 6 2.1 TEST FACILITY ......................................................... 7 2.2 MEASUREMENT UNCERTAINTY ......................................... 7 3. GENERAL INFORMATION ................................................ 8 3.1 GENERAL DESCRIPTION OF EUT ........................................ 8 3.2 Test Setup Configuration .................................................. 9 3.3 Support Equipment ....................................................... 9 3.4 Test Mode ............................................................. 10 3.5 EQUIPMENTS LIST FOR ALL TEST ITEMS ................................ 11 4. EMC EMISSION TEST ................................................... 13 4.1 Conducted emissions .................................................... 13 4.1.1 POWER LINE CONDUCTED EMISSION Limits ........................... 13 4.1.2 TEST PROCEDURE ................................................... 13 4.1.3 DEVIATION FROM TEST STANDARD ................................... 13 4.1.4 TEST SETUP ......................................................... 13 4.1.5 EUT OPERATING CONDITIONS ........................................ 14 4.1.6 Test Result ........................................................... 15 4.2 Radiated emissions ..................................................... 17 4.2.1 Radiated Emission Limits ............................................... 17 4.2.2 TEST PROCEDURE ................................................... 17 4.2.3 DEVIATION FROM TEST STANDARD ................................... 18 4.2.4 TEST SETUP ......................................................... 18 4.2.5 EUT OPERATING CONDITIONS ........................................ 19 4.2.6 TEST RESULTS ...................................................... 20 5. RADIATED BAND EMISSION MEASUREMENT ............................ 29 5.1 Test Requirement: ...................................................... 29 5.2 TEST PROCEDURE .................................................... 29 5.3 DEVIATION FROM TEST STANDARD .................................... 30 5.4 TEST SETUP .......................................................... 30 5.5 EUT OPERATING CONDITIONS ......................................... 30 5.6 TEST RESULT ......................................................... 31 6. CONDUCTED BAND EDGE AND SPURIOUS EMISSION .................... 32 6.1 Limit ................................................................... 32 6.2 Test Setup ............................................................. 32 6.3 Test procedure ......................................................... 32 6.4 DEVIATION FROM STANDARD .......................................... 32 6.5 CSE Test Result ........................................................ 33 7. 20DB&99% BANDWIDTH ................................................ 44 7.1 Test Setup ............................................................. 44 7.2 Limit .......................................................…

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Report No: SSP22120039A Antenna Test Report Page 1 of 4 Antenna Test Report Test Standard: IEEE 149-1979 Manufacturer: Shenzhen Kingbolen Electrics Technology Co., Ltd. Product Name: BT/Wi-Fi Antenna Model: S6 Report No.: SSP22120039A Tested Date: 2022-09-10 Issued Date: 2022-09-12 Tested By: William Liu (Engineer) Approved By: Lahm Peng (Manager) Prepared By: Shenzhen ZRLK Testing Technology Co., Ltd. 1F, No. 35 Building, Changxing Technology Industrial Park, Yutang Street, Guangming New District, Shenzhen City, Guangdong Province, China Tel.: +86-755-33019599 Fax.: +86-755-33019599 Website: www.zrlklab.com Note: This test report is limited to the above client company and the product model only. It may not be duplicated without prior permitted by Shenzhen ZRLK Testing Technology Co., Ltd. Report No: SSP22120039A Antenna Test Report Page 2 of 4 1. General Information 1.1 Product Information Manufacturer Manufacturer: Shenzhen Kingbolen Electrics Technology Co., Ltd. Address of Manufacturer: B1020-1028 Yousong Technology Building, 1st Donghuan Rd., Longhua Dist., Shenzhen, China General Description of Antenna Product Name: BT/Wi-Fi Antenna Model No.: S6 Frequency Range: 2400MHz-2483.5MHz, 5180MHz-5825MHz Type of Antenna: FPCB Antenna Antenna Gain: 2.4G: 0dBi (Max.), 5G: 0dBi (Max.) Impedance: 50 ohm Antenna View ( 37mm*15mm) 1.2 Test Methodology All measurements contained in this report were conducted with standards IEEE 149-1979 for IEEE Standard Test Procedures for Antennas. 1.3 Test Facilities Te s ting Lab: Shenzhen ZRLK Testing Technology Co., Ltd. All measurement facilities used to collect the measurement data are located at 1F, No. 35 Building, Changxing Technology Industrial Park, Yutang Street, Guangming New District, Shenzhen City, Guangdong Province, China Report No: SSP22120039A Antenna Test Report Page 3 of 4 2. OTA Test 2.1 Gain Frequency Peak Gain (dBi) Polarity 2402MHz 0 Horizontal 2402MHz -0.34 Vertical 2442MHz -1.1 Horizontal 2442MHz -1.3 Vertical 2480MHz -1.77 Horizontal 2480MHz -1.93 Vertical 5210MHz 0 Horizontal 5210MHz -0.95 Vertical 5775MHz 0 Horizontal 5775MHz -1.13 Vertical 2.2 Radiation Pattern View Report No: SSP22120039A Antenna Test Report Page 4 of 4

EUT TEST PHOTO FCC ID: 2A8T7KINGS6 IC: 29442-KINGS6 Radiated band emission (30MHz-1GHz): Conducted emission: Radiated band emission (Above 1GHz):