2A2XC-HSA1SRLED controller

1/1 US Agent for Service of Process LETTER OF ATTESTATION TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 US Agent for Service of Process: Company Name: UGK-LVMUNITEDINC FRN: 0033476375 Contact Name: Jimmychen Address: 6547NAcademyBlvd#2266,ColoradoSprings,CO80918 Telephone No: 001-323-51 04660 Email: [email protected] Applicant: Company name: Glowworm (Shenzhen) Lighting Technology Co.,Ltd Grantee code: 2A2XC FCC ID: 2A2XC-HSA1SR Contact Name: Bu ck Address: 702, building 23, Longhua District Science and technology innovation center, Guangdong Shenzhen Telephone: 15989038477 Fax: 15989038477 E-mail: [email protected] [Glowworm (Shenzhen) Lighting Technology Co.,Ltd] certifies that, as of the date of this filing of the application with the TCB, [UGK-LVMUNITEDINC] is our designated US agent for service of process for the above referenced FCC ID. [Glowworm (Shenzhen) Lighting 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 equipment. [UGK-LVMUNITEDINC] accepts, as of the date of the filing of the application, the obligation of the designated US agent for service of process for the above reference FCC ID. The US Agent for Service of Process is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. The Applicant is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. Date: 2023/09/04 Applicant’s Name: Bu ck US Agent for Service of Process’s Name: Jimmychen Title: Manager Title: Manager Signature Signature

C5266091_X24_Ed.2 1/1 “Attestation Statements” TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 The Commission adopted rules that prohibit equipment authorization for “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List 1 , which is periodically updated. See the Covered List for more details. This Attestation Statement is to confirm that we follow the Section 2.911(d)(5)(i)-(ii) Applicant Company name: Glowworm (Shenzhen) Lighting Technology Co.,Ltd Grantee code: 2A2XC FCC ID: 2A2XC-HSA1SR Contact Name: Bu ck Address: 702, building 23, Longhua District Science and technology innovation center, Guangdong Shenzhen Telephone: 15989038477 Fax: 15989038477 E-mail: [email protected] i. [Glowworm (Shenzhen) Lighting Technology 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. The applicant must sign this certification. ii. [Glowworm (Shenzhen) Lighting Technology Co.,Ltd] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant [is not] (as a specifically named entity or any of its subsidiaries or affiliates) identified on the Covered List as an entity producing “covered” equipment. The applicant must sign this certification. [Glowworm (Shenzhen) Lighting Technology 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 an entity producing “covered”equipment . Date: 2023/09/04 Applicant’s Name: Bu ck Title: Manager Signature 1 The Commission’s Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commission’s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment. https://www.fcc.gov/supplychain/coveredlist

Glowworm (Shenzhen) Lighting Technology Co.,Ltd Product Similarity Declaration Company: Glowworm (Shenzhen) Lighting Technology Co.,Ltd Address: 702, building 23, Longhua District Science and technology innovation center, Guangdong Shenzhen Product Name: LED controller Model Number: HSA1SR HSA2SR, HSA3SR, HSA4SR, HSA5SR, LDD31-55, LDD31-75, LDD32-55, LDD32-75 FCC Identifier: 2A2XC-HSA1SR We (Glowworm (Shenzhen) Lighting Technology 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.,), the only difference is the model name and appearance color. Client’s signature Name: Bu ck Date: 2023-09-04 Title: Manager Signature of applicant:

Glowworm (Shenzhen) Lighting Technology Co.,Ltd 1/1 Letter of Authorization Company: Glowworm (Shenzhen) Lighting Technology Co.,Ltd Address: 702, building 23, Longhua District Science and technology innovation center, Guangdong Shenzhen Product Name: LED controller Model Number: HSA1SR HSA2SR, HSA3SR, HSA4SR, HSA5SR, LDD31-55, LDD31-75, LDD32-55, LDD32-75 FCC Identifier: 2A2XC-HSA1SR We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Bu ck Date: 2023-09-04 Title: Manager Signature of applicant:

Glowworm (Shenzhen) Lighting Technology Co.,Ltd 1/1 Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2023-09-04 Subject: Request for Confidentiality FCC ID: 2A2XC-HSA1SR To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual No ☐ Internal Photos No ☐ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Sincerely, Name: Bu ck Date: 2023-09-04 Title: Manager Signature of applicant:

Size: 14*12mm M/N: HSA1SR FCC ID: 2A2XC-HSA1SR Label location

ANT

FCC ID: 2A2XC-HSA1SR RF Exposure Evaluation Limits 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 KDB 447498 D01 V06 and 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 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 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. Test Result of RF Exposure Evaluation wifi 2.4G mode Channel Output power to antenna (dBm) Output power to antenna (mW) Power Density at R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result 802.11b 16.643 46.1636 0.01178 1.0 PASS 802.11g 13.415 21.9533 0.00560 1.0 PASS 802.11n HT20 14.725 29.6825 0.00757 1.0 PASS 802.11n HT40 14.071 25.5329 0.00651 1.0 PASS Remark: antenna gain=1.08dBi

Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20230817050E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 1 of 54 FCC Part 15C Test Report FCC ID: 2A2XC-HSA1SR Applicant: Glowworm (Shenzhen) Lighting Technology Co.,Ltd Address: 702, building 23, Longhua District Science and technology innovation center, Guangdong Shenzhen Manufacturer: Glowworm (Shenzhen) Lighting Technology Co.,Ltd Address: 702, building 23, Longhua District Science and technology innovation center, Guangdong Shenzhen EUT: LED controller Trade Mark: N/A Model Number: HSA1SR HSA2SR, HSA3SR, HSA4SR, HSA5SR, LDD31-55, LDD31-75, LDD32-55, LDD32-75 Date of Receipt: Aug. 09, 2023 Test Date: Aug. 09, 2023 - Aug. 17, 2023 Date of Report: Aug. 17, 2023 Prepared By: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Building C, Shuanghuan, No.8, Baoqing Road, Baolong Industrial Zone, Baolong Street, Longgang District, Shenzhen, Guangdong, China Applicable Standards: FCC PART 15 C 15.247 ANSI C63.10:2013 Test Result: Pass Report Number: DL-20230817050E 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.: DL-20230817050E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 2 of 54 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 10 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 3.4 CONDUCTED BAND EDGE EMISSION&CONDUCTED SPURIOUS EMISSIONS MEASUREMENT 29 3.4.1 APPLICABLE STANDARD 29 3.4.2 TEST PROCEDURE 29 3.4.3 DEVIATION FROM STANDARD 29 3.4.4 TEST SETUP 29 Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20230817050E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 3 of 54 Table of Contents Page 3.4.5 EUT OPERATION CONDITIONS 29 3.4.6 TEST RESULTS 29 4 . AVERAGE OUTPUT POWER 33 4.1 APPLIED PROCEDURES / LIMIT 33 4.1.1 TEST PROCEDURE 33 4.1.2 DEVIATION FROM STANDARD 33 4.1.3 TEST SETUP 33 4.1.4 EUT OPERATION CONDITIONS 33 4.1.5 TEST RESULTS 34 5 . POWER SPECTRAL DENSITY TEST 37 5.1 APPLIED PROCEDURES / LIMIT 37 5.1.1 TEST PROCEDURE 37 5.1.2 DEVIATION FROM STANDARD 37 5.1.3 TEST SETUP 37 5.1.4 EUT OPERATION CONDITIONS 37 5.1.5 TEST RESULTS 38 6 . 6DB BANDWIDTH TEST 41 6.1 APPLIED PROCEDURES / LIMIT 41 6.1.1 TEST PROCEDURE 41 6.1.2 DEVIATION FROM STANDARD 41 6.1.3 TEST SETUP 41 6.1.4 EUT OPERATION CONDITIONS 41 6.1.5 TEST RESULTS 42 7 . ANTENNA REQUIREMENT 45 7.1 STANDARD REQUIREMENT 45 7.2 EUT ANTENNA 45 8 . TEST SEUUP PHOTO 46 9 . EUT PHOTO 48 Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20230817050E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 4 of 54 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 15.205, 15.209, 15.247(d) Radiated Spurious Emission PASS 15.205, 15.247(d) Band Edge Emission& Conducted Spurious Emissions PASS 15.247(b) Average Output Power PASS 15.247(a)(2) 6dB Bandwidth PASS 15.247(e) Power Spectral Density PASS 15.203 Antenna Requirement PASS NOTE: (1)” N/A” denotes test is not applicable in this Test Report (2) Test Facility: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Building C, Shuanghuan, No.8, Baoqing Road, Baolong Industrial Zone, Baolong Street, Longgang District, Shenzhen, Guangdong, 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 Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20230817050E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 5 of 54 2. GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF EUT Product Name: LED controller Trademark N/A Model No.: HSA1SR HSA2SR, HSA3SR, HSA4SR, HSA5SR, LDD31-55, LDD31-75, LDD32-55, LDD32-75 Model Difference The product's different for model number and appearance color. Operation Frequency: 2412~2462 MHz for 802.11b/g/nHT20 2422~2452 MHz for 802.11nHT40 Channel numbers: 11 Channels for 802.11b/g/n(HT20) 7 channels for 802.11nHT40 Channel separation: 5MHz Modulation technology: 802.11b: DSSS (CCK, DQPSK, DBPSK) 802.11g/n(20): OFDM(QPSK, BPSK, 16-QAM, 64-QAM) …

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Radiated Measurement Photos Conducted Measurement Photos