FCC ID: 2ARDB-PEZRM400T4 Remote control

TABLE OF CONTENTS 02 CUSTOMER SERVICE 03 IMPORTANT SAFETY INSTRUCTIONS 06 SAFETY NOTICE 09 SPECIFICATION 10 PRODUCT AND ACCESSORIES 11 PRODUCT INTRODUCTION 12 BEFORE START AND STORAGE 14 FUNTION MENU 15 REMOTE CONTROL 16 HOW TO USE 20 CARE AND MAINTENANCE 22 WARRANTY YouTube Video 10 10

( ) FCC Statement 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. Caution: Any changes or modications 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. RF Exposure Information The device has been evaluated to meet general RF exposure requirement. This equipment should be installed and operated with minimum distance 0mm between the radiator & your body. ISED Statement English:This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canadas 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. The digital apparatus complies with Canadian CAN ICES-3 (B)/NMB-3(B). French: Cet appareil contient des metteurs/rcepteurs exempts de licence qui sont conformes aux RSS exempts de licence d'Innovation, Sciences et Dveloppement conomique Canada. L'exploitation est soumise aux deux conditions suivantes :

(1) Cet appareil ne doit pas provoquer d'interfrences.

(2) Cet appareil doit accepter toute interfrence, y compris les interfrences susceptibles de provoquer un fonctionnement indsirable de l'appareil. l'appareil numrique du ciem conforme canadien peut - 3 (b) / nmb - 3 (b). This device meets the exemption from the routine evaluation limits in section 2.5 of RSS 102 and compliance with RSS 102 RF exposure, users can obtain Canadian information on RF exposure and compliance. cet appareil est conforme l'exemption des limites d'valuation courante dans la section 2.5 du cnr - 102 et conformit avec rss 102 de l'exposition aux rf, les utilisateurs peuvent obtenir des donnes canadiennes sur l'exposition aux champs rf et la conformit. This equipment complies with Canada radiation exposure limits set forth for an uncontrolled environment. Cet quipement est conforme aux limites d'exposition aux rayonnements du Canada tablies pour un environnement non contrl. RF Exposure Statement The device has been evaluated to meet general RF exposure requirement. This equipment should be installed and operated with minimum distance 0mm between the radiator & your body. L'appareil a t valu pour rpondre aux exigences gnrales d'exposition aux RF. Cet quipement doit tre install et utilis avec une distance minimale de 0 mm entre le radiateur et votre corps.

R:2mm 24mm 15mm WalkingPad PANTONE White C PANTONE Black C 11 mm

100*48 mm 1. 2. 3M 3. 4. 5. 6. RoHS 24.01.22 V1.0

Report No.: RFI-LAB-RF-202304-DD16 Testing Report Customer Name: Ningbo Qinghe Electronics Co., Ltd Product Name: 2.4G Antenna Sample Model: QHL020_2.4G-7.5-10.8 Reference Standard: GB/T 9410-2008; ANSI/IEEE Std149-1979 Issue Date: 2023.04.18 Engineer:

Auditor:

Approver:

Date:

Date:

Date:

Page 1 of 10 QP030-E41 Report No.: RFI-LAB-RF-202304-DD16 Version Version No. Date Description Formulate Approval A0 2023.04.18 For the first time, formulate Zkris Eason Contents 1.General Information .........................................................................................................................3 1.1 General information of testing institutions ...........................................................................3 1.2 Testing principle ................................................................................................................... 3 1.3 Test equipment ...................................................................................................................... 4 1.4 Test environment ...................................................................................................................4 1.5 Statement .............................................................................................................................. 4 2.Sample Information ......................................................................................................................... 5 2.1 Client information .................................................................................................................5 2.2 Description of EUT(S) ..........................................................................................................5 2.3 EUT appearance ....................................................................................................................6 2.4 EUT setup photo of free space OTA testing .........................................................................6 3. Test Results ..................................................................................................................................... 7 3.1 Test standard ......................................................................................................................... 7 3.2 Test uncertainty .....................................................................................................................7 3.3 Test data ................................................................................................................................ 8 3.3.1 VSWR parameters ..................................................................................................... 8 3.3.2 VSWR data ................................................................................................................ 8 3.3.3 Typical free space efficiency and gain ...................................................................... 8 3.3.4 Typical free space radiation pattern ...........................................................................9 The following is blank .............................................................................................................. 10 Page 2 of 10 QP030-E41 1.General Information Report No.: RFI-LAB-RF-202304-DD16 1.1 General information of testing institutions Name Address Tel E-mail Shenzhen RFI-LAB Communication Technology Co., Ltd. 10/F A, Lingyun Bld, Liufang Rd, Baoan District, SZ 13682621346 rfi-lab@tech-now.com Equipment All the equipment used in the report is fixed in Zone B, West Side of 1/F, Building 1, Tingwei Industrial Park, No.6 Liufang Road, Bao 'an District, Shenzhen 1.2 Testing principle Page 3 of 10 QP030-E41 1.3 Test equipment Report No.: RFI-LAB-RF-202304-DD16 Equipment Model No. Serial No. Manufacturer Calibration date Next calibration date OTA Test System RayZone-5000 RFI-LAB-RF

-D00 GTS 2023.3.14 2025.3.13 Network Analyzer E5071C RFI-LAB-RF

-D01 KEYSIGHT 2022.5.13 2023.5.12 1.4 Test environment Temperature Humidity Pressure 1.5 Statement 22.8 58%RH 100.35kPa

(1) The test results in the report are only applicable to the tested samples and the tested samples work under the environment described in the report.

(2) Only Shenzhen RFI-LAB Communication Technology Co., Ltd. have the right to modify the report, and the modification information shall be annotated in the revision form.

(3) Any objection to this report shall be raised within 30 days after formal confirmation of the report.

(4) This report is invalid if there is any evidence that the sample information provided is falsified.

(5) The report is invalid without the signature of the auditor and approver. Page 4 of 10 QP030-E41 Report No.: RFI-LAB-RF-202304-DD16 2.Sample Information 2.1 Client information Name Address Contacts Tel E-mail Manufacturer Ningbo Qinghe Electronics Co., Ltd Gao Qiao Zhen Song Jia Cao Cun, Haishu District, Ningbo City, Zhejiang

2.2 Description of EUT(S) Product Name Sample Model Antenna Size Serial No. Antenna Type 2.4G Antenna QHL020_2.4G-7.5-10.8

PCB Antenna Test Item VSWR;Antenna gain; Efficiency; Radiation pattern Frequency Range 2400-2500MHz Received Date Test Date Remark 2023.04.17 2023.04.17 The length of the RF cable is 50mm Page 5 of 10 QP030-E41 2.3 EUT appearance Report No.: RFI-LAB-RF-202304-DD16 2.4 EUT setup photo of free space OTA testing Planform Front view Page 6 of 10 QP030-E41 Report No.: RFI-LAB-RF-202304-DD16 3. Test Results 3.1 Test standard Name Parameter Method Standard no. Mobile communication antenna Antenna gain Radiation pattern VSWR Generic specification for antennas used in the mobile communications GB/T 9410-2008 Antenna Radiation efficiency Gain and directivity IEEE Standard Test Procedures for Antennas ANSI/IEEE Std 149-1979 3.2 Test uncertainty The uncertainty was calculated on the basis of the GUM published by ISO, using the inclusion factor of K=2 and the 95% confidence level to express the extended uncertainty. Item VSWR Antenna gain Radiation efficiency Uncertainty 0.3 1dB 10%

Page 7 of 10 QP030-E41 Report No.: RFI-LAB-RF-202304-DD16 3.3 Test data 3.3.1 VSWR parameters 3.3.2 VSWR data Frequency/MHz 2400 VSWR 11.219 2450 10.111 2500 10.676 3.3.3 Typical free space efficiency and gain Frequency/MHz 2400 2410 2420 2430 2440 2450 2460 2470 2480 2490 2500 Peak Gain/dBi

-8.73

-8.24

-8.15

-8.11

-8.35

-9.27

-9.34

-9.15

-9.38

-9.42

-9.38 Efficiency/%

3.90 4.49 4.83 5.12 4.94 4.42 4.23 4.08 3.75 3.67 3.82 Page 8 of 10 QP030-E41 Report No.: RFI-LAB-RF-202304-DD16 3.3.4 Typical free space radiation pattern

(1) X-Z Plane(unitdBi):

(2) Y-Z Plane(unitdBi):

Page 9 of 10 QP030-E41

(3) X-Y Plane(unitdBi):

Report No.: RFI-LAB-RF-202304-DD16

(4) Typical Free Space 3D Radiation Pattern at 2.43GHz(unitdBi):

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The following is blank Page 10 of 10 QP030-E41

Beijing Kingsmith Technology Co., Ltd. Date2024-03-13 Product Model Number: PEZRM400T4 ;

FCC ID2ARDB-PEZRM400T4 To whom it may concern, Re: Product Certification Representative Authorization Letter We authorize QAI Laboratories Ltd. 3980 North Fraser Way, Burnaby B.C. Canada V5J 5K5 to act on our behalf on all matters concerning the above named equipment. This shall include the following:

Testing Approval applications and procedures We declare that ORGANIZATION. is allowed to forward all information related to the approval project to the applied certification body and to the notification entities and to discuss any issues concerning the approval application. Any and all acts carried out by ORGANIZATION. on our behalf shall have the same effect as acts of our own. Signature:

By: Chengxiang Gu Contact Listed on FCC Wesbite Title: Quality manager Email: liwensong@kingsmith.com.cn On behalf of: Beijing Kingsmith Technology Co., Ltd. Effective Date: April 2, 2020 Revision Date:

QSF 7.6.4-8 Agent Authorization Letter Template Revision: 0 Page 1 of 1

Attestation Statements 2024-03-13 TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA RE: Attestation Statements Part 2.911(d)(7) request for (FCC ID:2ARDB-PEZRM400T4) Beijing Kingsmith Technology Co., Ltd., the undersigned, hereby authorize HOPEK CORPORATION INC to act as our designated U.S. agent for service of process, Beijing Kingsmith Technology Co., Ltd. accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. HOPEK CORPORATION INC accepts the responsibility to act as designated U.S. agent for service of process. Applicant Information Company name: Beijing Kingsmith Technology Co., Ltd. Contact Name: Chengxiang Gu Address: Floor 4, Building 25, Area 18, ABP Park, Fengtai, Beijing, China Telephone No: 010 83680970 Email: liwensong@kingsmith.com.cn FRN: 0027877125 Signature:

Chengxiang Gu U.S. Agent Information:

Company Name:HOPEK CORPORATION INC Address:4358 S BANNOCK ST ENGLEWOOD, CO 80110 United States FRN: 0034562900 Contact Name:Peter Davis Telephone No: 561-235-6113 Email: HopekPeter@gmail.com Signature:

Peter Davis

Beijing Kingsmith Technology Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Subject; Request for Confidentiality FCC ID: 2ARDB-PEZRM400T4 To Whom It May Concern, Date: March 27, 2024 Pursuant to the provisions of the Commissions 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 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: Chengxiang Gu Title: Quality manager

Beijing Kingsmith Technology Co., Ltd. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2024-03-13 FCC ID: 2ARDB-PEZRM400T4 Ref. #1: Attestation Statements Part 2.911(d)(5)(i) Filing Beijing Kingsmith Technology Co., Ltd. certifies that the equipment for which authorization is sought is not covered equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Ref. #2: Attestation Statements Part 2.911(d)(5)(ii) Filing Beijing Kingsmith Technology Co., Ltd. certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing covered equipment. Applicant: Beijing Kingsmith Technology Co., Ltd. Address: Floor 4, Building 25, Area 18, ABP Park, Fengtai, Beijing, China Contact Person: Chengxiang Gu Tel.: 010 83680970 Email: liwensong@kingsmith.com.cn Sincerely, Signature: