2BAPJ-ELG02Ecolink HVAC Gateway(U)

INSTALL MANUAL Read before installing ecolink Gateway The ecolink Gateway Provides remote access to ecolink Adapter through the internet and Ecoer Smart Service (ESS) Pro Must be installed by a trained, experienced technician. Read these instructions carefully. Failure to follow these instructions can damage the Product or cause a hazardous condition. Specifications Model: ELG02 Operating Ambient Temperature: -13°F to 167°F (-25°C to 75°C) Operating Relative Humidity: 5% to 95% (non-condensing) Power Adapter Rated Input Voltage: 100 VAC ~ 240 VAC @ 50 Hz/60 Hz Power Adapter Output Voltage Range: 4.80 VDC ~ 5.20 VDC Max Output Current: 2000mA Maximum Number of Units: 5 per ecolink Gateway Need help For more information about this Product please visit www.ecoer.com or call +1 (703) 348-2538 for technical support. AndroidIOS www.ecoer.com Install Manual Download the ESS Pro A “Unit” is: ecolink Adapter that is wired to the heating/cooling equipment. ecolink Zone Panel wired by thermostats. Step 1 Connect an enthernet cable from the ecolink gateway to an internet-connected home router. Step 2 Connect the power cable to the ecolink gateway. Step 3 Connect the power adapter to a wall socket. Then the blue led start to light up. After connecting to the cloud server, the gateway will start flashing the green led. Step 4 Power up the ecolink Adapter. Step 5 Following the ESS Pro App instructions to register the ecolink system by scaning the QR code. LED BEHAVIOR Solid Blue: The Gateway starts to up. Blinking Blue: The Gateway is connected to Ecoer server and exchanging data with Adapter. Blinking Red: Connecting to Internet and logging in Ecoer server. Solid Red: The Gateway fail to connect to the Ecoer server Blinking Green: The Gateway is not communicating with the ecolink system. ECOLINK GATEWAY CHECKLIST: Power Cable is Connected. Ethernet Cable is Connected. ecolink Adapter is power on. Gateway and Adapter are registered to ESS Pro App. Register new AC by ESS Pro App to remotely monitor and trouble shoot from your smart devices. Sign an agreement with homeowner Select existing agreement > Next > ecolink Gateway ① ② ④ ⑤ ③ 1/2 www.ecoer.com Install Manual INSTALLATION FCC Compliance Statement Compliance Notice: 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 thereceiver is connected. Consult the dealer or an experienced radio/TV technician for help. This device complies with part 15 of FCC rules. Operation is subject to thefollowing two conditions: This device may not cause harmful interference. This device must accept any interference received, including interference thatmay cause undesired operation. Change or modifications that are not expressly approved by the manufacturer could void the user's authority to operate the equipment. RF Exposure Information: This equipment complies with FCC radiation exposure limits set forth for anuncontrolled environment. In order to avoid the possibility of exceeding the FCC radio frequency exposure limits, human proximity to the antenna shall not be less than 8 inches during normal operation. Warning: Changes or modifications not expressly approved by ECOER INC could void the user's authority to operate the equipment. www.ecoer.com Install Manual 2/2 MAKING YOUR HOME GREEN & SMART Model: ELG02 Addr.: 43671 Trade Center Place, Suite 100 Dulles, VA 20166 Tel: (703) 348-2538 Website: www.ecoer.com

Attestation Statements (2024/3/7) 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: 2BAPJ-ELG02) (Ecoer, Inc), the undersigned, hereby authorize Ecoer, Inc to act as our designated U.S. agent for service of process, (Ecoer, Inc) 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. Ecoer, Inc accepts the responsibility to act as designated U.S. agent for service of process. Applicant Information： Company Name: Ecoer, Inc Address: 43671 Trade Center Place, Suite 100 Dulles, Virginia, 20166, United States Contact Name: Shaoming Pong FRN: 0033593088 Telephone No: 13538218145 Email: [email protected] Signature [Shaoming Pong] U.S. Agent Information: Company Name: Ecoer, Inc Address: 43671 Trade Center Place, Suite 100 Dulles, Virginia, 20166, United States Contact Name: Shaoming Pong FRN: 0033593088 Telephone No: 13538218145 Email: [email protected] Signature [Shaoming Pong]

(Ecoer, Inc) (2024.3.7) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID: 2BAPJ-ELG02) [Ecoer, Inc] (“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. Sincerely, (Applicant signature) (Applicant printed name) Shaoming Pong (Ecoer, Inc) (2024.3.7) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (FCC ID: 2BAPJ-ELG02) [Ecoer, Inc] (“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. Sincerely, (Applicant signature) (Applicant printed name) Shaoming Pong

Ecoer, Inc 2024.3.7 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Shenzhen BCTC Testing Co., Ltd 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). This agreement expires one year from the current date. Sincerely, Client’s signature: Client’s name / title : Shaoming Pong / Manager Contact information / address: 43671 Trade Center Place, Suite 100 Dulles, Virginia, 20166, United States

Ecoer, Inc 2024.3.7 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: CONFIDENTIALITY REQUEST FOR EUT NAME: Ecolink HVAC Gateway(U) Trademark: N/A MODEL: ELG02 FCC ID: 2BAPJ-ELG02 To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the - Block Diagram - Schematics - Operational Description required to be submitted with this application be permanently withheld from public review. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Please contact me if there is any information you may need. Sincerely, Client’s signature: Client’s name / title : Shaoming Pong / Manager Contact information / address: 43671 Trade Center Place, Suite 100 Dulles, Virginia, 20166, United States

External Photos

Label & label location

Internal Photos Antenna

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2BAPJ-ELG02 Applied procedures / limit According to FCC §15.247(i) and §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842 / f 4.89 / f (900 / f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-100,000 5 6 Note: ƒ is frequency in MHz * = Power density limit is applicable at frequencies greater than 100 MHz Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-100,000 1.0 30 Note: f = frequency in MHz * = Plane-wave equivalent power density MPE PREDICTION Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to antenna G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna, R=0.2m TEST RESULTS Frequency (MHz) Tune up Produce power Maximum peak output power (dBm) Output power to antenna (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW/ cm2) Result 914.9 10±1 11 25.12 1.26 (1dBi) 0.00316 0.61 Pass 920.9 11±1 12 15.85 1.26 (1dBi) 0.00397 0.61 Pass The simultaneous transmitting consideration: Two chips of the product cannot work at the same time. Conclusion: For the max result ≤ Limit, compliance with FCC's RF Exposure

Copyright ©2019, Chengdu Ziisor Technology Co., Ltd. TX900-TH-2 8WSpring Antenna s pecification 铜镀金 弯折头弹簧天线 成都致哲科技有限公司 TX900-TH-28W产品规格书 Copyright ©2019, Chengdu Ziisor Technology Co., Ltd. 第 1 页 第一章 产品简介Product introduction TX900-TH -28W 是一款铜镀金 弯折头的弹簧天线。 The TX900-TH-28W is a spring antenna with gold-plated copper bent head. 第二章 规格参数Specification 第三章 产品尺寸Product Size 基本参数 频率Frequency 868/915M 阻抗Impedance 50Ω 接口Interface 焊接sealing-in 天线增益Gain 1dBi 材质texture 铜镀金Gold-platedbrass 颜色color 黄铜本色Brass color 天线尺寸size 圈径Loop diameter： 5mm,线径wire diameter：0.8mm,总长Length：24mm 成都致哲科技有限公司 TX900-TH-28W产品规格书 Copyright ©2019, Chengdu Ziisor Technology Co., Ltd. 第 2 页 第四章 天线特性antenna performance 电压驻波比（VSWR） 史密斯圆图(Smith chart) 以上是天线在空气中的测试数据，仅供参考 成都致哲科技有限公司 TX900-TH-28W产品规格书 Copyright ©2019, Chengdu Ziisor Technology Co., Ltd. 第 3 页 辐射方向图 效率测试（EFFICIENCY） Frequency/MHZ Efficiency/% Gain/dBi 860MHz 41.12 -0.51 870MHz 42.31 -0.25 880M 44.11 0.1 890MHz 46.71 0.58 900MHz 47.23 0.87 910MHz 49.88 1.00 920MHz 47.11 0.72 930MHz 46.18 0.55 以上是天线在空气中的测试数据，仅供参考 成都致哲科技有限公司 TX900-TH-28W产品规格书 Copyright ©2019, Chengdu Ziisor Technology Co., Ltd. 第 4 页 第五章 常见问题 ⚫天线频率必须和无线设备频率匹配，否则通信效果不佳； ⚫通信频率越低，波长越长，绕射性能越好； ⚫当存在直线通信障碍时，通信距离会相应的衰减； ⚫请注意天线辐射方向，天线安装方向不正确导致传输距离近； ⚫地面吸收无线电波，靠近地面测试效果较差，建议提高高度； ⚫海水具有极强的吸收无线电波能力，故海边测试效果不佳； ⚫天线附近有金属物体或置于金属壳内，信号衰减会非常严重； ⚫天线与通信设备阻抗匹配程度差会导致通信效果差。 公司全称 NAME 成都致哲科技有限公司 公司电话 NUMBER 028-61542639 官方网址 WEBSITE www.ziisor.com 商务合作 BUSINESS [email protected] 技术支持 SUPPORT [email protected] 批量采购 BATCH 马小姐 17602800813 徐先生 13547243087 公司地址 ADDRESS 四川省成都市高新西区西区大道199号模具工业园B5 淘宝企业店 SAMPLING https://ziisor.taobao.com/ 天猫旗舰店 SAMPLING https://ziisor.tmall.com/

No.：BCTC/RF-EMC-005 Page: 1 of 43 Edition：B.1 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2402322267-1E Applicant: Ecoer, Inc Product Name: Ecolink HVAC Gateway(U) Test Model: ELG02 Tested Date: 2024-02-27 to 2024-03-18 Issued Date: 2024-03-18 Report No.: BCTC2402322267-1E No.：BCTC/RF-EMC-005 Page: 2 of 43 Edition：B.1 FCC ID: 2BAPJ-ELG02 The test report is effective only with both signature and specialized stamp.This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen BCTC Testing Co., Ltd, this report can’t be reproduced except in full.The tested sample(s) and the sample information are provided by the client. Product Name: Ecolink HVAC Gateway(U) Trademark: N/A Model/Type Reference: ELG02 Prepared For: Ecoer, Inc Address: 43671 Trade Center Place, Suite 100 Dulles, Virginia, 20166, United States Manufacturer: Yiso (Guangdong) Smart Technology Co.,Ltd Address: One of 501, 5th Floor, No. 18, Xinfa Road, Rongli Community, Ronggui Street, Shunde District, Foshan City, Guangdong Province Prepared By: Shenzhen BCTC Testing Co., Ltd. Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Zhancheng, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China. Sample Received Date: 2024-02-27 Sample Tested Date: 2024-02-27 to 2024-03-18 Issue Date: 2024-03-18 Report No.: BCTC2402322267-1E Test Standards: FCC Part15.247 ANSI C63.10-2013 Test Results: PASS Remark: This is LoRa radio test report. Tested by: Approved by: Shanshan. Zhang / Project Handler Zero Zhou/Reviewer Report No.: BCTC2402322267-1E No.：BCTC/RF-EMC-005 Page: 3 of 43 Edition：B.1 Table Of Content Test Report Declaration Page 1. Version .................................................................................................................. 5 2. Test Summary ....................................................................................................... 6 3. Measurement Uncertainty ..................................................................................... 7 4. Product Information And Test Setup ..................................................................... 8 4.1 Product Information ............................................................................................... 8 4.2 Test Setup Configuration ...................................................................................... 9 4.3 Support Equipment ............................................................................................... 9 4.4 Channel List ........................................................................................................ 10 4.5 Test Mode ........................................................................................................... 10 4.6 Table of parameters of text software setting ....................................................... 10 5. Test Facility And Test Instrument Used ............................................................... 11 5.1 Test Facility ......................................................................................................... 11 5.2 Test Instrument Used .......................................................................................... 11 6. Conducted Emissions .......................................................................................... 13 6.1 Block Diagram Of Test Setup .............................................................................. 13 6.2 Limit .................................................................................................................... 13 6.3 Test procedure .................................................................................................... 13 6.4 EUT Operating Conditions .................................................................................. 13 6.5 Test Result .......................................................................................................... 14 7. Radiated Emissions ............................................................................................. 16 7.1 Block Diagram Of Test Setup .............................................................................. 16 7.2 Limit .................................................................................................................... 17 7.3 Test procedure .................................................................................................... 18 7.4 EUT operating Conditions ................................................................................... 19 7.5 Test Result .......................................................................................................... 19 8. Radiated Band Emission Measurement And Restricted Bands Of Operation ..... 23 8.1 Block Diagram Of Test Setup .............................................................................. 23 8.2 Limit .................................................................................................................... 23 8.3 Test Procedure ................................................................................................... 24 8.4 EUT Operating Conditions .................................................................................. 24 8.5 Test Result .......................................................................................................... 25 9. Power Spectral Density Test ............................................................................... 29 9.1 Block Diagram Of Test Setup .............................................................................. 29 9.2 Limit .................................................................................................................... 29 9.3 Test procedure .................................................................................................... 29 9.4 EUT Operating Conditions .................................................................................. 29 9.5 Test R…

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No.：BCTC/RF-EMC-005 Page: 1 of 43 Edition：B.1 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2402322267-2E Applicant: Ecoer, Inc Product Name: Ecolink HVAC Gateway(U) Test Model: ELG02 Tested Date: 2024-02-27 to 2024-03-19 Issued Date: 2024-03-19 Report No.: BCTC2402322267-2E No.：BCTC/RF-EMC-005 Page: 2 of 43 Edition：B.1 FCC ID: 2BAPJ-ELG02 The test report is effective only with both signature and specialized stamp.This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen BCTC Testing Co., Ltd, this report can’t be reproduced except in full.The tested sample(s) and the sample information are provided by the client. Product Name: Ecolink HVAC Gateway(U) Trademark: N/A Model/Type Reference: ELG02 Prepared For: Ecoer, Inc Address: 43671 Trade Center Place, Suite 100 Dulles, Virginia, 20166, United States Manufacturer: Yiso (Guangdong) Smart Technology Co.,Ltd Address: One of 501, 5th Floor, No. 18, Xinfa Road, Rongli Community, Ronggui Street, Shunde District, Foshan City, Guangdong Province Prepared By: Shenzhen BCTC Testing Co., Ltd. Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Zhancheng, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China. Sample Received Date: 2024-02-27 Sample Tested Date: 2024-02-27 to 2024-03-19 Issue Date: 2024-03-19 Report No.: BCTC2402322267-2E Test Standards: FCC Part15.247 ANSI C63.10-2013 Test Results: PASS Remark: This is LoRa radio test report. Tested by: Approved by: Shanshan. Zhang / Project Handler Zero Zhou/Reviewer Report No.: BCTC2402322267-2E No.：BCTC/RF-EMC-005 Page: 3 of 43 Edition：B.1 Table Of Content Test Report Declaration Page 1. Version .................................................................................................................. 5 2. Test Summary ....................................................................................................... 6 3. Measurement Uncertainty ..................................................................................... 7 4. Product Information And Test Setup ..................................................................... 8 4.1 Product Information ............................................................................................... 8 4.2 Test Setup Configuration ...................................................................................... 9 4.3 Support Equipment ............................................................................................... 9 4.4 Channel List ........................................................................................................ 10 4.5 Test Mode ........................................................................................................... 10 4.6 Table of parameters of text software setting ....................................................... 10 5. Test Facility And Test Instrument Used ............................................................... 11 5.1 Test Facility ......................................................................................................... 11 5.2 Test Instrument Used .......................................................................................... 11 6. Conducted Emissions .......................................................................................... 13 6.1 Block Diagram Of Test Setup .............................................................................. 13 6.2 Limit .................................................................................................................... 13 6.3 Test procedure .................................................................................................... 13 6.4 EUT Operating Conditions .................................................................................. 13 6.5 Test Result .......................................................................................................... 14 7. Radiated Emissions ............................................................................................. 16 7.1 Block Diagram Of Test Setup .............................................................................. 16 7.2 Limit .................................................................................................................... 17 7.3 Test procedure .................................................................................................... 18 7.4 EUT operating Conditions ................................................................................... 19 7.5 Test Result .......................................................................................................... 19 8. Radiated Band Emission Measurement And Restricted Bands Of Operation ..... 23 8.1 Block Diagram Of Test Setup .............................................................................. 23 8.2 Limit .................................................................................................................... 23 8.3 Test Procedure ................................................................................................... 24 8.4 EUT Operating Conditions .................................................................................. 24 8.5 Test Result .......................................................................................................... 25 9. Power Spectral Density Test ............................................................................... 29 9.1 Block Diagram Of Test Setup .............................................................................. 29 9.2 Limit .................................................................................................................... 29 9.3 Test procedure .................................................................................................... 29 9.4 EUT Operating Conditions .................................................................................. 29 9.5 Test R…

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Conducted Measurement Photos Radiated Measurement Photos