2AXOG-JT-DC-L4LED CONTROLLER

LED CONTROLLER JT-DC300V0400-L4 l. Download surp life APP Il. How to connect the controller to wi-Fi network? 1) Register/Login your surp life account. 2)open your phone Bluetooth, turn on the device. 1 surplife APP 2 3) Enter "sur p life" app, tap "Add Device" or click " + " to add the device. click Add to complete 4) Rename the device and select a room for it. DeviceBgC1 Device B9 C 1 Device B9 C 1 - 3 I l l . A p p f e a t u r e s i n d e t a i l : 1) . Colorful function In the color interface, you can adjust the color and brightness of the light strip. Click "+ " to enter the static effect interface, in the static effect interface, you can add or delete the color of the light strip, and long press a static effect to delete or edit the static effect 2). Lighting effect 1) Built-in lighting effect selection of various categories of scene modes, and can be long pressed to save or edit to add custom effects. In the Custom effect screen, click Create Custom Effect to add a custom effect Tap and hold Tap and hold 4 2) In the Custom Effects screen, click Create Custom Effect to add a custom effect. 3) . Rotation function You can select lighting effects for different categories of modes on the rotating screen and set the duration of the lighting effects. Different lighting effects can be combined and played back in sequence. - 5 4). Spreading function 1) Single-frame smear interface: click Create Smear, select dynamic effect, color and color ratio, and click Save after setting. 2) Multi-frame paint interface: click to create a paint, slide the slider can be set to adjust the speed, click “ + ”to add a frame of the canvas to select the color of each frame, click save after the settings are complete. - 6 5). Rhythmic function 1) Music Mode: Lighting jumps and changes with the rhythm of music Click “Add Sound”to import a sound file or import from the built-in sound library. 2) Microphones Cell phone cycloid or device cycloid function that converts light effects to different rhythms according to the signal received by the cycloid 7 6). Timing function The lights controlled by this unit can be switched on and off according to the set time. When the lights are turned on, you can select colorful or moody lighting effects by yourself. 7). Group control function Classify multiple controllers into the same group, you can simultaneously control the equipment in the group with one key dimming and color dimming, switching and other functions. Device6CBF Device6 E 6 B Living room Device2 3 4 D Device EBFO Living room Living room built-in... Device6CBF Device EBFO Device6 E 6B Device2 3 4 D Device2 3 4 D - 8 8) . Scene Functions In the scene interface, fi nd the corresponding controller to create different scene lighting colors or dynamic effects according to your personal needs. 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. - 8 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. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body. Attentions 1)Pleaseuse the productin adryenvironment. 2) Forinput voltage, please use the AC voltage within the specified range asinstructed inthe manual,must not connectinto 380VAC directly. 3) The product is requested common anode connection.The wrongconnection will cause.amalfunction. Input: 120VAC, 60Hz,0.3A Output: 3-30Vdc 0.01-2.0A, 12W max.

Changzhou Jutai Electronic Co., Ltd. Covered Equipment Certification Attestation Letter 6/21/2026 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2AXOG-JT-DC-L4 Changzhou Jutai Electronic Co., Ltd. (“the applicant”) 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. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not “covered” equipment. Changzhou Jutai Electronic Co., Ltd. (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Changzhou Jutai Electronic Co., Ltd. (“the applicant”) certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Applicant Signature: Printed Name: Chengqian Pan Title:Manager Address: No.8 Longfa Road, Xinbei District, Changzhou, Jiangsu 213031, China Tel.: +86 519 85129599 Email: [email protected] Date: 6/21/2026

Changzhou Jutai Electronic Co., Ltd. * the applicant must designate a contact located in the United States for purposes of acting as the applicant’s agent for service of process, regardless of whether the applicant is a domestic or foreign entity. An applicant located in the United States may designate itself as the agent for service of process. U.S. Agent Designation for Service of Process - Certification Attestation Letter 6/21/2026 TO: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 ATTN.: Reviewing Engineer FCC ID: 2AXOG-JT-DC-L4 FRN of applicant: 0030015507 Per section 2.911(d)(7) of the FCC rules, [Changzhou Jutai Electronic Co., Ltd.] (“the applicant”) certifies that the equipment for which authorization is sought is designated to the following U.S. agent* for service of process: Company Name: Herland International Trading Inc FCC Registration Number (FRN): 0036324101 Physical U.S. Company Address: 1370 Valley Vista Dr Ste 200 Diamond Bar, CA 91765 Contact Person: Jianfeng Gao Agent Email Address: [email protected] The above contact person accepts the obligation for service of process. The applicant 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. Applicant Signed: Signed: Printed name: Chengqian Pan Title: Manager Company Name: Changzhou Jutai Electronic Co., Ltd. Date: 6/21/2026 Agent Signed (if different from Applicant): Signed: Printed name: Jianfeng Gao Title: Manager Company Name: Herland International Trading Inc Date: 6/21/2026

Changzhou Jutai Electronic Co., Ltd. 2026-6-21 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act as Agent On our behalf, I appoint Shenzhen DL Testing Technology Co., Ltd.（101-201, Comprehensive Building, Tongzhou Electronics Longgang Factory Area, No.1 Baolong Fifth Road, Baolong Community, Baolong Street, Longgang District, Shenzhen, China）to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commission’s regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, still resides with Changzhou Jutai Electronic Co., Ltd.（No.8 Longfa Road, Xinbei District, Changzhou, Jiangsu 213031, China） Applicant Signature: Printed Name: Chengqian Pan Title:Manager Address: No.8 Longfa Road, Xinbei District, Changzhou, Jiangsu 213031, China Tel.: +86 519 85129599 Email: [email protected]

Changzhou Jutai Electronic Co., Ltd. 2026-6-21 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Compliance Testing, LLC to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). Sincerely, Applicant Signature: Printed Name: Chengqian Pan Title:Manager Address: No.8 Longfa Road, Xinbei District, Changzhou, Jiangsu 213031, China Tel.: +86 519 85129599 Email: [email protected]

Changzhou Jutai Electronic Co., Ltd. 2026-6-21 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2AXOG-JT-DC-L4 Product Name: LED CONTROLLER Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commission’s rules, we hereby request that the following documents be held confidential: (List here the documents for which you are seeking confidentiality – for example ...)  Schematics  Block diagram  Operation description These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. Applicant Signature: Printed Name: Chengqian Pan Title:Manager Address: No.8 Longfa Road, Xinbei District, Changzhou, Jiangsu 213031, China Tel.: +86 519 85129599 Email: [email protected]

Changzhou Jutai Electronic Co., Ltd. Product Similarity Declaration FCC ID: 2AXOG-JT-DC-L4 Applicant: Changzhou Jutai Electronic Co., Ltd. Address: No.8 Longfa Road, Xinbei District, Changzhou, Jiangsu 213031, China Manufacturer1: Changzhou Jutai Electronic Co.,Ltd Address: 219 Huashan Middle Road, Xinbei District, Changzhou, Jiangsu 213031, China Manufacturer2: Rainbow lighting Co.,Ltd Address: HI-PARK(S.E.Z)(National Road 1 146.5 KM), SANGKAT CHROK METEAS,BAVET CITY SG, Cambodia Product Name: LED CONTROLLER Trade Mark: CZJUTAI Model Number: JT-DC300V0400-L4 JT-DCxxxVyyyy-L4(xxx-030-300 (030 to 300 indicates rated output voltage range 3V.d.c - 30V.d.c in step of 0.1V. e.g 030=3V, 300=30V) yyyy-0010-2000(010 to 2000 indicates rated output current range 10mA -2000mA in step of 1mA. e.g 0010=10mA, 2000=2000mA)) We (Changzhou Jutai Electronic Co., Ltd. ) hereby state that all the models are electrical identical including the same software parameter and hardware design (i.e., circuit design, PCB Layout, RF module/circuit, antenna type(s) and antenna location, components on PCB, etc.,), same mechanical structure and design (including product enclosure, materials, etc.,), All models are the same as the samples except model name output rating, output temminal, transformer secondary winding tums and some uncritical component for different output rating. Applicant Signature: Printed Name: Chengqian Pan Title:Manager Address: No.8 Longfa Road, Xinbei District, Changzhou, Jiangsu 213031, China Tel.: +86 519 85129599 Email: [email protected]

Shenzhen DL Testing Technology Co., Ltd. EUT PHOTO(External Photos) FCC ID: 2AXOG-JT-DC-L4 Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. ※※※※※ END O REPORT ※※※※※

Size:22*18mm M/N: JT-DC300V0400-L4 FCC ID: 2AXOG-JT-DC-L4 Label location

Shenzhen DL Testing Technology Co., Ltd. EUT PHOTO(Internal Photos) FCC ID: 2AXOG-JT-DC-L4 Shenzhen DL Testing Technology Co., Ltd. ANT Shenzhen DL Testing Technology Co., Ltd. ※※※※※ END OF REPORT ※※※※※

FCC ID: 2AXOG-JT-DC-L4 RF Exposure Evaluation Limits KDB 447498 D01 General RF Exposure Guidance v06 FCC CFR 47 part2 2.1091: Radiofrequency radiation exposure evaluation: mobile devices The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in 1.1307(b) Limits for Maximum Permissible Exposure (MPE) Frequency range (MHz) Electric field strength (V/m) Magnetic field strength (A/m) Power density (mW/cm 2 ) Averaging time (minutes) (A) Limits for Occupational/Controlled Exposures 0.3–3.0 614 1.63 *(100) 6 3.0–30 1842/f 4.89/f *(900/f 2 ) 6 30–300 61.4 0.163 1.0 6 300–1500 f/300 6 1500–100,000 5 6 (B) Limits for General Population/Uncontrolled Exposure 0.3–1.34 614 1.63 *(100) 30 1.34–30 824/f 2.19/f *(180/f 2 ) 30 30–300 27.5 0.073 0.2 30 300–1500 f/1500 30 1500–100,000 1.0 30 f = frequency in MHz Friis transmission formula: Pd = (Pout*G)/(4*pi*r 2 ) Where Pd = power density in mW/cm 2 , Pout = output power to antenna in mW; G = gain of antenna in linear scale, Pi = 3.1416; R = distance between observation point and center of the radiator in cm Pd id the limit of MPE, 1 mW/cm 2 . If we know the maximum gain of the antenna and the total power input to the antenna, through the calculation, we will know the distance r where the MPE limit is reached. Test Procedure Software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. EIRP=E Meas +20log(d Meas )-104.7 EIRP is the equivalent isotropically radiated power, in dBm E Meas is the field strength of the emission at the measurement distance, in dBμV/m d Meas is the measurement distance, in m Test Result of RF Exposure Evaluation Channel Output power to antenna (dBm) Output power to antenna (mW) Power Density at R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result BT 0.90 1.23 0.00015 1.0 PASS Remark: antenna gain=-2.14dBi

求是价值双赢 深圳市拓频物联技术有限公司 Shenzhen Top Frequency IOT Technology Co.,Ltd. Manufacturer：Changzhou JutaiElectronic Co.,Ltd Model:JT-DCSeries Shenzhen Top Frequency IOT Technology Co.,Ltd. 求是 价值 双赢 目 录 1. Test environment 2. Description of previous commissioning records 3. Description of matching circuit 4. Active test data 5. Conduction test data 6. Acoustic simulation test of call current 7. Environmental Treatment Description 8. GPS/WIFI/BT passive parameters 9. Measured effect of GPS/WIFI/BT 10. Summary 求是 价值 双赢 测试环境 测试项目TEST ITEM设备 EQUIPMENT 1. S参数 （S- parameter） 1. 回波损耗 （Return Loss） 2. 电压驻波比（VSWR） 网络分析仪Network analyzer: Agilent E5071B, HP 8753D 2. 有源测试 （Active ） 1. 发射功率 （TRP） 2. 接收灵敏度（TIS） 1. 暗室Chamber：ETS 7x4x3 m (3D) Chamber ETS 5x3x3 m (3D) Chamber 2.综合测试仪Comprehensive test instrument: Agilent 8960 E5515B ×2 StarPoint SP6011 3.无源测试 （Passive） 1.天线增益 （Gain） 2.天线效率 （Efficiency） 1. 暗室Chamber：ETS 7x4x3 m (3D) Chamber ETS 5x3x3 m (3D) Chamber 2. 网络分析仪Network analyzer：Agilent E5071B HP 8753D 求是 价值 双赢 Description of previous commissioning records DateEditionDescription of commissioning records 2025-05-26 A1Bluetooth 2.4GHz test prototype 求是 价值 双赢 ModelJT-DC Series JT-DC300V0400-L4 TypographyA main board Antenna overview Antenna status Antenna status Antenna form Design area Match Changes antenna 2.4GHz2.4GHz 2.4GHz cable D:0.6mm L:24mm Monopole支架无 Prototype status Commissioning the machine Environmental treatment Multiple locations Complete machine debugging instructions 求是 价值 双赢 Matching circuit - BT antenna ANT PA NF 0Ω0Ω 求是 价值 双赢 Environmental treatment： 求是 价值 双赢 Environmental treatment： Follow the sample environment provided by your company 求是 价值 双赢 Actual measurement of BT antenna： 1. Remote control connects to the LED controller, and the remote control plays multi- functions(Indoor) The straight-line distance of the front test is 30m when there is no obstacle.The straight distance of back to back test is 26m when there is no obstacle. 2. Remote control connects to the LED controller, and the remote control plays multi- functions (Outdoor) The straight-line distance of the front test is 30m when there is no obstacle.The straight distance of back to back test is 25m when there is no obstacle。 3. Remote control connects to the LED controller, and the remote control plays multi- functions (Indoor) The straight-line distance of the front test is 40m when there is no obstacle.The straight distance of back to back test is 30m when there is no obstacle. 测试软件 求是 价值 双赢 Antenna Passive Efficiency Gain Data Frequency ID1 2 3 4 5 6 7 8 9 10 11 Frequency (MHz)2400.02410.02420.02430.02440.02450.02460.02470.02480.02490.02500.0 Point Values Ant. Port Input Pwr. (dBm) 0.000.000.000.000.000.000.000.000.000.000.00 Tot. Rad. Pwr. (dBm) -7.55-7.70-7.81-7.66-7.78-7.52-7.65-7.84-7.83-7.63-7.61 Peak EIRP (dBm) -2.68-2.69-2.77-2.59-2.49-2.14-2.30-2.55-2.63-2.48-2.39 Directivity (dBi) 4.865.015.045.075.295.385.355.285.215.155.22 Efficiency (dB) -7.55-7.70-7.81-7.66-7.78-7.52-7.65-7.84-7.83-7.63-7.61 Efficiency (%) 17.6017.0016.5017.2016.7017.7017.2016.5016.5017.3017.30 Gain (dBi) -2.68-2.69-2.77-2.59-2.49-2.14-2.30-2.55-2.63-2.48-2.39 NHPRP ±Pi/4 (dBm) -9.03-9.20-9.35-9.22-9.35-9.09-9.21-9.40-9.41-9.24-9.28 NHPRP ±Pi/6 (dBm) -10.63-10.78-10.91-10.76-10.90-10.63-10.74-10.93-10.99-10.89-10.98 NHPRP ±Pi/8 (dBm) -11.89-12.00-12.11-11.94-12.07-11.81-11.93-12.15-12.25-12.19-12.33 Upper Hem. PRP (dBm) -12.40-12.50-12.59-12.41-12.48-12.14-12.18-12.28-12.19-11.93-11.83 Lower Hem. PRP (dBm) -9.27-9.45-9.57-9.42-9.58-9.35-9.53-9.77-9.82-9.64-9.68 Upper Hem. PRP (%) 5.765.635.515.745.656.116.055.916.046.426.57 Lower Hem. PRP (%) 11.8411.3611.0311.4211.0211.6111.1410.5410.4310.8610.77 求是 价值 双赢 Antenna pattern and apple chart 433.00MHz @T45P45 2.4GHz @T45P45 2.4GHz @T45P45 求是 价值 双赢 Antenna pattern and apple chart 2.4GHz @T45P452.4GHz @T45P45 求是 价值 双赢 Antenna pattern and apple chart 2.4GHz @T45P45 2.4GHz @T45P45 Shenzhen Top Frequency IOT Technology Co.,Ltd. 求是 价值 双赢 Prompt description Tips: 1、 This data is only for the data generated by the prototype provided by the customer, and does not represent the customer's final mass production status; 2、 The customer is requested to carefully confirm the description of matching circuit modification and environmental treatment in our report; 3、 Before mass production, please provide trial production prototype to our company for secondary verification; Please inform us in advance if there are material changes, software updates and environmental treatment; 4、 If the customer needs a third party to retest or send it to the customer for testing, please come to our company for verification before sending the prototype; Prevent the machine from being different from the commissioning machine; 5： We do not accept the machine data other than our debugging and other darkroom test data, but you can refer to it, except for the certified darkroom. If there is any difference in the data, the debugging machine shall prevail to find the reason.

Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-250714008R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 1 of 38 FCC Part 15C Test Report FCC ID: 2AXOG-JT-DC-L4 Applicant: Changzhou Jutai Electronic Co., Ltd. Address: 219 Huashan Middle Road, Xinbei District, Changzhou, Jiangsu 213031, China Manufacturer1: Changzhou Jutai Electronic Co., Ltd Address: 219 Huashan Middle Road, Xinbei District, Changzhou, Jiangsu 213031, China Manufacturer2: Rainbow lighting Co.,Ltd Address: HI-PARK(S.E.Z)(National Road 1 146.5 KM), SANGKAT CHROK METEAS,BAVET CITY SG, Cambodia Product Name: LED CONTROLLER Trade Mark: CZJUTAI Model Number: JT-DC300V0400-L4 JT-DCxxxVyyyy-L4(xxx-030-300 (030 to 300 indicates rated output voltage range 3V.d.c -30V.d.c in step of 0.1V. e.g 030=3V, 300=30V) yyyy-0010-2000(010 to 2000 indicates rated output current range 10mA -2000mA in step of 1mA. e.g 0010=10mA, 2000=2000mA)) Date of Receipt: Jun. 07, 2026 Test Date: Jun. 07, 2026 – Jun. 30, 2026 Date of Report: Jun. 30, 2026 Prepared By: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Comprehensive Building, Tongzhou Electronics Longgang Factory Area, No.1 Baolong Fifth Road, Baolong Community, Baolong Street, Longgang District, Shenzhen, China Applicable Standards: FCC PART 15 C 15.247 ANSI C63.10:2013 Test Result: Pass Report Number: DLE-250714008R Prepared (Test Engineer): Alisa Song Reviewer (Supervisor): Jack Bu Approved (Manager): Jade Yang This test report is based on a single evaluation of one sample of above mentioned products. It is not permitted to be duplicated in extracts without written approval of Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-250714008R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 2 of 38 Table of Contents Page 1 . SUMMARY OF TEST RESULTS 4 1.1 MEASUREMENT UNCERTAINTY 4 2 . GENERAL INFORMATION 5 2.1 GENERAL DESCRIPTION OF EUT 5 2.2 DESCRIPTION OF TEST MODES 6 2.3 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 6 2.4 DESCRIPTION OF SUPPORT UNITS(CONDUCTED MODE) 7 2.5 TABLE OF PARAMETERS OF TEST SOFTWARE SETTING 7 2.6 EQUIPMENTS LIST FOR ALL TEST ITEMS 8 3 . EMC EMISSION TEST 9 3.1 CONDUCTED EMISSION MEASUREMENT 9 3.1.1 POWER LINE CONDUCTED EMISSION LIMITS 9 3.1.2 TEST PROCEDURE 9 3.1.3 DEVIATION FROM TEST STANDARD 9 3.1.4 TEST SETUP 10 3.1.5 EUT OPERATING CONDITIONS 10 3.1.6 TEST RESULTS 11 3.2 RADIATED EMISSION MEASUREMENT 13 3.2.1 RADIATED EMISSION LIMITS 13 3.2.2 TEST PROCEDURE 14 3.2.3 DEVIATION FROM TEST STANDARD 14 3.2.4 TEST SETUP 14 3.2.5 EUT OPERATING CONDITIONS 15 3.2.6 TEST RESULTS (BETWEEN 9KHZ – 30 MHZ) 16 3.2.7 TEST RESULTS (BETWEEN 30MHZ – 1GHZ) 17 3.2.8 TEST RESULTS (1GHZ~25GHZ) 19 3.3 RADIATED BAND EMISSION MEASUREMENT 23 3.3.1 TEST REQUIREMENT: 23 3.3.2 TEST PROCEDURE 23 3.3.3 DEVIATION FROM TEST STANDARD 23 3.3.4 TEST SETUP 24 3.3.5 EUT OPERATING CONDITIONS 24 4 . PEAK OUTPUT POWER 27 4.1 APPLIED PROCEDURES / LIMIT 27 4.1.1 TEST PROCEDURE 27 4.1.2 DEVIATION FROM STANDARD 27 4.1.3 TEST SETUP 27 4.1.4 EUT OPERATION CONDITIONS 27 Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-250714008R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 3 of 38 Table of Contents Page 4.1.5 TEST RESULTS 28 5 . POWER SPECTRAL DENSITY TEST 31 5.1 APPLIED PROCEDURES / LIMIT 31 5.1.1 TEST PROCEDURE 31 5.1.2 DEVIATION FROM STANDARD 31 5.1.3 TEST SETUP 31 5.1.4 EUT OPERATION CONDITIONS 31 5.1.5 TEST RESULTS 31 6 . 6DB BANDWIDTH TEST 34 6.1 APPLIED PROCEDURES / LIMIT 34 6.1.1 TEST PROCEDURE 34 6.1.2 DEVIATION FROM STANDARD 34 6.1.3 TEST SETUP 35 6.1.4 EUT OPERATION CONDITIONS 35 6.1.5 TEST RESULTS 35 7 . ANTENNA REQUIREMENT 38 7.1 STANDARD REQUIREMENT 38 7.2 EUT ANTENNA 38 8 . TEST SEUUP PHOTO 38 9 . EUT PHOTO 38 Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-250714008R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 4 of 38 1.. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: FCC Part15 (15.247) , Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission PASS 15.247(c) Radiated Spurious Emission PASS 15.205 Band Edge Emission PASS 15.247(b)(1) Peak Output Power PASS 15.247(a)(2) 6dB Bandwidth PASS 15.247(d) Power Spectral Density PASS 15.203 Antenna Requirement PASS NOTE: (1)” N/A” denotes test is not applicable in this Test Report Test lab: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Comprehensive Building, Tongzhou Electronics Longgang Factory Area, No.1 Baolong Fifth Road, Baolong Community, Baolong Street, Longgang District, Shenzhen, China FCC Test Firm Registration Number: 854456 Designation Number: CN1307 IC Registered No.: 27485 CAB ID.: CN0118 1.1. MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2，providing a level of confidence of approximately 95 %。 No. Item Uncertainty 1 Conducted Emission Test ±2.56dB 2 RF power,conducted ±0.42dB 3 Spurious emissions,conducted ±2.76dB 4 All emissions,radiated(<1G) ±3.65dB 5 All emissions,radiated(>1G) ±4.89dB 6 Temperature ±0.5°C 7 Humidity ±2% 8 6dB Bandwidth ±0.2MHz 9 Power Spectral Density ±0.3dBm Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-250714008R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 5 of 38 2.. GENERAL INFORMATION 2.1. GENERAL DESCRIPTION OF EUT Product Name: LED CONTROLLER Trade Mark: CZJUTAI Model Number: JT-DC300V0400-L4 JT-DCxxxVyyyy-L4(xxx-030-300 (030 to 300 indicates rated output voltage range 3V.d.c -30V.d.c in step of 0.1V. e.g 030=3V, 300=30V) yyyy-0010-2000(010 to 2000 indicates rated output current range 10mA -2000mA in step of 1mA. e.g 0010=10mA, 2000=2000mA)) Model Difference All models have the same PCB layout, circuit diagram and enclosure except model name ou…

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Shenzhen DL Testing Technology Co., Ltd. EUT TEST PHOTO FCC ID: 2AXOG-JT-DC-L4 Radiated Measurement Photos Shenzhen DL Testing Technology Co., Ltd. Conducted Measurement Photos ※※※※※ END OF REPORT ※※※※※