2ATW5-R3R3 4G Tracker for Temperature + Humidity + Light

Shanghai Cydiance Technology Co.,Ltd 2.911 (d)(5)(i) Equipment Type Attestation v1.2 Section 2.911(d)(5)(i) Certification – EquipmentType Company name: Shanghai Cydiance Technology Co.,Ltd Address: Room 815, Bldg 6, No.285 Rongxing Rd, Songjiang, 201600, Shanghai, China Product Name: R3 4G Tracker for Temperature + Humidity + Light FCC ID: 2ATW5-R3 Model(s): R3 2.911(d)(5)(i) EquipmentType We, [Shanghai Cydiance Technology Co.,Ltd] (“the applicant”) certify that the equipment for which authorization is sought through certification is not: •P rohibited from receiving an equipment authorization pursuant to § 2.903; of the FCC rules. •Identified as an equipment type in the “Covered List” NOTE 1 Y ours sincerely, N ame: Grace Zhu Date: 1/7/2026 T itle and Company name: Manager / Shanghai Cydiance 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

Shanghai Cydiance Technology Co.,Ltd 2.911 (d)(5)(ii) Applicant Attestation v1.3 Section 2.911(d)(5)(ii) Certification – Applicant (Covered List ) Company name: Shanghai Cydiance Technology Co.,Ltd Address: Room 815, Bldg 6, No.285 Rongxing Rd, Songjiang, 201600, Shanghai, China Product Name: R 3 4G Tracker for Temperature + Humidity + Light FCC ID: 2ATW5-R3 Model(s): R3 2.911(d)(5)(ii) Applicant filing We, [ Shanghai Cydiance Technology Co.,Ltd] ( “the applicant”) certify that, as of t he date of t he 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 coveredcommunications equipment. Y ours sincerely, N ame: Grace Zhu Date: 1/7/2026 T itle and Company name: Manager / Shanghai Cydiance 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 R eferences; 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

Shanghai Cydiance Technology Co.,Ltd Room 815,Bldg 6,No.285 Rongxing Rd,Songjiang ,201600 Shanghai China Date: 2026-1-7 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2ATW5-R3 FRN: 0028630432 US Agent – Attestation Statement / Part 2.911(d)(7) Shanghai Cydiance Technology Co.,Ltd certifies, that as of 2026-1-7, we have designated FCC US Agent, LLC to accept service of process on our behalf for FCC ID: 2ATW5-R3. Shanghai Cydiance Technology Co.,Ltd accepts to maintain an agent of 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. FCC US Agent, LLC, accepts as of the date of the filing of this application, the obligation of being the designated agent for the purpose of accepting service of process on behalf of Shanghai Cydiance Technology Co.,Ltd for FCC ID: 2ATW5-R3 Designated Agent Information: Company Name: FCC US Agent, LLC FRN: 0033402884 Address: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA Contact Person: Tim Payne Phone: 708-571-3148 Email: [email protected] Sincerely, Company: Shanghai Cydiance Technology Co.,Ltd Designated Agent: FCC US Agent, LLC Company Representative: Grace Zhu Designated Agent Representative: Tim Payne Signature: Signature:

Shanghai Cydiance Technology Co.,Ltd Family models difference declaration Product Name: R3 4G Tracker for Temperature + Humidity + Light Trade Name: Cydiance Model Name: R3 Family Model: R Series Difference declaration: We (Shanghai Cydiance 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 colors and appearances. Regards, Signature Name: Grace Zhu Date: 1/7/2026

Shanghai Cydiance Technology Co.,Ltd Of fice of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 1/7/2026 Subject; Request for Confidentiality FCC ID: 2ATW5-R3 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. Thes e 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 BOM List and turn up Block Diagram Operational Description 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. Si ncerely, Si gnature: Nam e: Grace Zhu Ti tle: Manager

Shanghai Cydiance Technology Co.,Ltd Letter of Authorization Company: Shanghai Cydiance Technology Co.,Ltd Address: Room 815, Bldg 6, No.285 Rongxing Rd, Songjiang, 201600, Shanghai, China Product Name: R3 4G Tracker for Temperature + Humidity + Light Model Number(s): R3 Product Description: R3 4G Tracker for Temperature + Humidity + Light 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 e quipment to t he 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 o ur own. Signature: Date: 2026/1/7 Name: Grace Zhu Title: Manager Company: Shanghai Cydiance Technology Co.,Ltd

Size：3*1.5cm Label Label location

FCC ID:2ATW5-R3 Maximum Permissible Exposure (MPE) According to FCC 1.1310: 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) MPE Calculation Method E (V/m) ＝ d G P * * 30 Power Density: Pd (W/m²) ＝ 377 2 E E ＝ Electric field (V/m) P ＝ Average RF output power (W) G ＝ EUT Antenna numeric gain (numeric) d ＝ Separation distance between radiator and human body (m) The formula can be changed to Pd ＝ 2 *377 **30 D GP From the EUT RF output power, the minimum mobile separation distance, d=0.2m, as well as the gain of the used antenna, the RF power density can be obtained. BT Measurement Result Operation Frequency: 2402MHz~2480MHz Power density limited: 1mW/ cm 2 Antenna Type: PCB Antenna Antenna gain:-3.2 dBi R=20cm mW=10^(dBm/10) antenna gain Numeric=10^(dBi/10)= 10^(-3.2/10)=0.48 conducted power Evaluation result Power density Limits (dBm) (mW) (dBi) Numeric 2402 -1.11 -1±1 0 1.000 -3.2 0.48 0.0001 1 2440 -0.98 -1±1 0 1.000 -3.2 0.48 0.0001 1 2480 -0.95 -1±1 0 1.000 -3.2 0.48 0.0001 1 (mW/cm2 ) (mW/cm2) Antenna Gain GFSK(1M ） Max tune-up power Channel Freq. (MHz) modulation Tune-up power (dBm) (dBm) GSM/LTE GSM850: TX824.2MHz~848.8MHz /RX869.2MHz~893.8MHz; PCS1900: TX1850.2MHz~1909.8MHz /RX1930.2MHz~1989.8MHz; LTE FDD Band 2 Uplink: 1850MHz-1910MHz, Downlink: 1930MHz-1990MHz; LTE FDD Band 4 Uplink: 1710MHz-1755MHz, Downlink: 2110MHz-2155MHz; LTE FDD Band 5 Uplink: 824MHz-849MHz, Downlink: 869MHz-894MHz; Antenna Type: FPC Antenna Antenna gain: GSM 850:2.78dBi, GSM 1900:-0.85dBi Band 2: -0.85 dBi; Band 4: 0.95 dBi; Band 5: 2.78 dBi Maximum Permissible Exposure: Channel Freq. (MHz) mode EIRP power (dBm) EIRP power (mW) Tune-up power (dBm) Max tune-up power (dBm) Evaluation result (mW/cm2) Power density Limits mW/cm2 ) 824.2 GSM 850 30.12 1028.016 31±1 32 0.2045 0.5495 1880 GSM 1900 28.23 665.273 29±1 30 0.1323 1.0000 1880 LTE B2 22.81 190.985 23±1 24 0.0380 1.0000 1745 LTE B4 22.96 197.6970 23±1 24 0.03933 1.0000 836.5 LTE B5 22.96 197.697 23±1 24 0.03933 0.5577 SIMULTANEOUS TRANSMISSIONS When a number of sources at different frequencies, and/or broadband sources, contribute to the total exposure, it becomes necessary to weigh each contribution relative to the MPE. To comply with the MPE, the fraction of the MPE in terms of E 2 , H 2 (or power density) incurred within each frequency interval should be determined and the sum of all such fractions should not exceed unity. In order to ensure compliance with the MPE for a controlled environment, the sum of the ratios of the power density to the corresponding MPE should not exceed unity. That is Worst case is Simultaneous Transmissions for GSM + WIFI2.4G Standalone Standalone Evaluation result Power density Limits Evaluation result GSM 32 1584.89 0.2045 0.5495 2.4G WIFI 0 1.00 0.0001 1 Mode (mW/cm2) (mW/cm2 ) raio BLE+GSM PASS Tune up (mW) Tune up (dBm) Simultaneous Limit 1 0.3723 Verdict Band Signature: Date: 2026-01-14 NAME AND TITLE (Please print or type): alex li/Manager COMPANY (Please print or type): Shenzhen NTEK Testing Technology Co., Ltd./ No. 24 Xinfa East Road, Xiangshan Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, People's Republic of China

data report item information Customer nameYunxi Project name23000 Report time2025.4.28 Antenna research and development Report versionA0 Antenna frequency band 2400-2500MHz personal record versionUpdate description A0Machine passive test data A1 A2 A3 A4 A5 A6 A7 A8 Shangyuan Technology (China) Co., Ltd. sunnyway Technology （china） Co., LTD. Whole machine picture Motherboard v 23000-NOW-DT_V1_0 20240919 Parameters of antenna S11 Antenna efficiency Frequency/MhzEfficiency / dBiEfficiency / % 2400-3.7442.27 2410-3.6942.76 2420-3.5743.95 2430-3.5144.57 2440-3.4145.6 2450-3.3646.13 2460-3.2946.88 2470-3.3845.97 2480-3.247.82 2490-3.2247.6 2500-3.2547.33 summary 1. This is the latest test data of the onboard antenna of the machine. Concluding remarks Thank You 上海研发中心:上海市青浦区高光路215弄99号4号楼1楼 深圳研发中心: 深圳市光明区南太云创谷中心5栋6楼 重庆研发中心：重庆市渝北区仙桃数据谷东路19号ARM生态产业园1F 惠州工厂地址：惠州市惠城区水口镇龙湖工业区中心村路一号4-5楼 公 司 网 址：www.sunnyway-iot.com

Report No.: N25101604105E Version.1.3 Page 1 of 51 RADIO TEST REPORT FCC ID: 2ATW5-R3 Product: R3 4G Tracker for Temperature + Humidity + Light Trade Mark: Cydiance Model No.: R3 Family Model: N/A Report No.: N25101604105E Issue Date: Dec. 18, 2025 Prepared for Shanghai Cydiance Technology Co.,Ltd Room 815, Bldg 6, No.285 Rongxing Rd, Songjiang, 201600, Shanghai, China Prepared by Shenzhen NTEK Testing Technology Co., Ltd. No. 24 Xinfa East Road, Xiangshan Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, People's Republic of China Tel. 0755-23200050 Website: http://www.ntek.org.cn Report No.: N25101604105E Version.1.3 Page 2 of 51 Table of Contents Page 1 TEST RESULT CERTIFICATION ...................................................................................................................... 3 2 SUMMARY OF TEST RESULTS ......................................................................................................................... 4 3 FACILITIES AND ACCREDITATIONS ............................................................................................................. 5 3.1 FACILITIES ..................................................................................................................................................... 5 3.2 LABORATORY ACCREDITATIONS AND LISTINGS ................................................................................. 5 3.3 MEASUREMENT UNCERTAINTY ............................................................................................................... 5 4 GENERAL DESCRIPTION OF EUT .................................................................................................................. 6 5 DESCRIPTION OF TEST MODES...................................................................................................................... 8 6 SETUP OF EQUIPMENT UNDER TEST ........................................................................................................... 9 6.1 BLOCK DIAGRAM CONFIGURATION OF TEST SYSTEM ....................................................................... 9 6.2 SUPPORT EQUIPMENT ............................................................................................................................... 10 6.3 EQUIPMENTS LIST FOR ALL TEST ITEMS .............................................................................................. 11 7 TEST REQUIREMENTS .................................................................................................................................... 13 7.1 CONDUCTED EMISSIONS TEST ............................................................................................................... 13 7.2 RADIATED SPURIOUS EMISSION ............................................................................................................ 16 7.3 6DB BANDWIDTH ....................................................................................................................................... 25 7.4 DUTY CYCLE ............................................................................................................................................... 26 7.5 PEAK OUTPUT POWER .............................................................................................................................. 28 7.6 POWER SPECTRAL DENSITY ................................................................................................................... 29 7.7 CONDUCTED BAND EDGE MEASUREMENT ......................................................................................... 31 7.8 SPURIOUS RF CONDUCTED EMISSIONS ................................................................................................ 32 7.9 ANTENNA APPLICATION .......................................................................................................................... 33 8 TEST RESULTS ................................................................................................................................................... 34 8.1 DUTY CYCLE ................................................................................................................................................... 34 8.2 MAXIMUM CONDUCTED OUTPUT POWER ....................................................................................................... 37 8.3 -6DB BANDWIDTH .......................................................................................................................................... 39 8.4 OCCUPIED CHANNEL BANDWIDTH .................................................................................................................. 41 8.5 MAXIMUM POWER SPECTRAL DENSITY LEVEL ............................................................................................... 43 8.6 BAND EDGE .................................................................................................................................................... 45 8.7 CONDUCTED RF SPURIOUS EMISSION ............................................................................................................. 48 Report No.: N25101604105E Version.1.3 Page 3 of 51 1 TEST RESULT CERTIFICATION Applicant’s name ......................... : Shanghai Cydiance Technology Co.,Ltd Address ....................................... : Room 815, Bldg 6, No.285 Rongxing Rd, Songjiang, 201600, Shanghai, China Manufacturer's Name .................. : Shanghai Cydiance Technology Co.,Ltd Address ....................................... : Room 815, Bldg 6, No.285 Rongxing Rd, Songjiang, 201600, Shanghai, China Product description Product name .............................. : R3 4G Tracker for Temperature + Humidity + Light Trade Mark .................................. : Cydiance Model and/or type reference ...... : R3 Family Model ............................... : N/A Test Sample number ................... : S2510170116-1# Date of Test ................................. : Oct. 17, 2025 ~ Dec. 18, 2025 M…

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