2AUXBDSGW-290Multi Protocol Host Gateway

杭州软库科技有限公司 Hangzhou Roombanker Technology Co., Ltd. A DUSUN company 杭州市大关路 189 号万通中心 A幢 8楼 Floor 8,Building A,Wantong Center Hangzho u,China Tel: 86 - 0571 - 86769027 / 88810480 Website: www. dusuniot.com www. dusunremotes.com www. dusunlock . com Product Specification Product Name: Multi Protocol Host Gateway Model Name: DSGW-290/DSGW-291 Revision History Specification Sect. Update Description By Rev Date 1.0 2022-07-08 New version release Li 1.1 2022-07-13 Add hardware block Li 1.2 2022-7-19 Change coreboard into RK3568 Li 1.3 2022-7-29 Adjust interface Li 1.4 2023-03-02 Add resource list WX 1.5 2023-04-03 Adjust resource list Li Approvals Organization Name Title Date 杭州软库科技有限公司 Hangzhou Roombanker Technology Co., Ltd. A DUSUN company 杭州市大关路 189 号万通中心 A幢 8楼 Floor 8,Building A,Wantong Center Hangzho u,China Tel: 86 - 0571 - 86769027 / 88810480 Website: www. dusuniot.com www. dusunremotes.com www. dusunlock . com DSGW-290 DSGW-291 Model List Resource List Remark : [1] Model corresponds to the model list chart above; [2] M.2 SSD slot is reserved on the gateway, users can install SSD by themselves [3] Note:DSGW-290-X-N .X means different RAM and eMMC configurations.N means support protocols. Model Feature wifi2.4/5G BLE LTE cat.4 ZigBe e Z-wave Ethernet 1000Mbps lora tuya- Zigbee sub-g DSGW-290-X-1        DSGW-290-X-2      DSGW-291-X-1         DSGW-291-X-2       DSGW-290-X-3    Model Feature RAM eMMC SSD Remark -G 2GB 32GB Slot Support [ 2 ] -H 4GB 64GB Slot Support Default Sample Resources -I 8GB 128GB Slot Support 杭州软库科技有限公司 Hangzhou Roombanker Technology Co., Ltd. A DUSUN company 杭州市大关路 189 号万通中心 A幢 8楼 Floor 8,Building A,Wantong Center Hangzho u,China Tel: 86 - 0571 - 86769027 / 88810480 Website: www. dusuniot.com www. dusunremotes.com www. dusunlock . com Contents 1. Introduction ................................................................................................................................................................................................... 4 1.1Purpose& Description ................................................................................................................................ 4 1.2 Product Feature Summary ........................................................................................................................ 4 1.3 Hardware block ......................................................................................................................................... 4 2.Mechanical Requirement ............................................................................................................................................................................ 5 3.Specifications .................................................................................................................................................................................................. 7 3.1 Basic parameters ....................................................................................................................................... 7 3.2 Wireless protocol parameters ................................................................................................................... 8 4.QA Requirements .......................................................................................................................................................................................... 9 4.1Quality and Testing Information ............................................................................................................... 9 杭州软库科技有限公司 Hangzhou Roombanker Technology Co., Ltd. A DUSUN company 杭州市大关路 189 号万通中心 A幢 8楼 Floor 8,Building A,Wantong Center Hangzho u,China Tel: 86 - 0571 - 86769027 / 88810480 Website: www. dusuniot.com www. dusunremotes.com www. dusunlock . com 1. Introduction 1.1Purpose& Description Dusun Pi4 is an IoT gateway for developers，which is basically similar to Raspberry Pi4. It adopts Rockchip RK3568 processor, based on ARM Quad-core Cortex-A55 core, 64bit, 2GHz.It can run multiple systems, linux, debian, android etc. there are rich external interface,HDMI,USB,Ethernent.And compared to raspberry pi 4, it has built-in IoT wireless module,including zigbee,z- wave,bluetooth,Wi-Fi, LTE. Developers can quickly develop their own gateways.and hardware encryption and also supported. 1.2 Product Feature Summary  Support audio input and output (3.5mm)  1000M Ethernet*2  2 × USB 3.0 ports  1 × micro HDMI port  SD card support: Micro SD card slot for loading operating system and data storage  Input power: 12V DC via USB-C connector (minimum 3A1)  Power over Ethernet (PoE)–enabled (requires separate PoE HAT)  supports 2.4GHz / 5GHz dual-band WiFi, 802.11a/b/g/n/ac protocol  Support zigbee3.0, BLE5, Z-WAVE,sub-G,LoRaWAN,LTE  Support Android, Linux, Ubuntu and other operating systems 1.3 Hardware block 杭州软库科技有限公司 Hangzhou Roombanker Technology Co., Ltd. A DUSUN company 杭州市大关路 189 号万通中心 A幢 8楼 Floor 8,Building A,Wantong Center Hangzho u,China Tel: 86 - 0571 - 86769027 / 88810480 Website: www. dusuniot.com www. dusunremotes.com www. dusunlock . com 2.Mechanical Requirement DSGW-291（External antennas with lora） 杭州软库科技有限公司 Hangzhou Roombanker Technology Co., Ltd. A DUSUN company 杭州市大关路 189 号万通中心 A幢 8楼 Floor 8,Building A,Wantong Center Hangzho u,China Tel: 86 - 0571 - 86769027 / 88810480 Website: www. dusuniot.com www. dusunremotes.com www. dusunlock . com  DSGW-290（Built-in antennas without lora） 杭州软库科技有限公司 Hangzhou Roombanker Technology Co., Ltd. A DUSUN company 杭州市大关路 189 号万通中心 A幢 8楼 Floor 8,Building A,Wantong Center Hangzho u,China Tel: 86 - 0571 - 86769027 / 88810480 Website: www. dusuniot.com www. dusunremotes.com www. dusunlock . com 3.Specifications 3.1 Basic parameters Basic parameters Main chip RK3568 CPU ARM® Quad-core 64-bit processor, Quad-core Cortex-A55 GPU ARM G52 2EE Support OpenGL ES 1.1/2.0/3.2，OpenCL 2.0，Vulkan 1.1 Video Processor Support 4K VP9 and 4K 10bits H265/…

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Hangzhou Roombanker Technology 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 DATE TO: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 ATTN.: Reviewing Engineer FCC ID: 2AUXBDSGW-290 FRN of Grant: 0028932861 Per section 2.911(d)(7) of the FCC rules, Hangzhou Roombanker Technology 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: Stariver Consulting Company FCC Registration Number (FRN): 0033400433 Company Address: 2363 James St #1098 Syracuse, NY 13206, USA Agent Name: Chong He 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: Agent Signed: Signed: Printed name: Lin Su Title: Manager Company Name: Hangzhou Roombanker Technology Co., Ltd. Date: 6/8/2023 Signed: Printed name: Chong He Title: Manager Company Name: Stariver Consulting Company Date: 7/2/2023

Hangzhou Roombanker Technology Co., Ltd. Covered Equipment Certification Attestation Letter DATE Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2AUXBDSGW-290 Hangzhou Roombanker 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. 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. Hangzhou Roombanker 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. Signed: Printed name: Lin Su Title: Manager Company Name: Hangzhou Roombanker Technology Co., Ltd. Date: 6/8/2023

Hangzhou Roombanker Technology Co., Ltd. DATE :2023-6-8 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2AUXBDSGW-290 Product Name: Multi Protocol Host Gateway Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commissions rules, we hereby request that the following documents be held confidential:  Schematics  Block diagram  Operation description  Bom  Tune up 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. Dated this 2023-6-8 By: Lin Su Signature Printed Title: Manager On behalf of : Hangzhou Roombanker Technology Co., Ltd. Telephone: 0571-86769027

Hangzhou Roombanker Technology Co., Ltd. Date: 2023-6-8 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, Dated this 2023-6-8 By: Lin Su Signature Printed Title: Manager On behalf of : Hangzhou Roombanker Technology Co., Ltd. Telephone: 0571-86769027

Hangzhou Roombanker Technology Co., Ltd. DATE:2023-6-8 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act asAgent On our behalf, I appoint Jianyan Testing Group Shenzhen Co., Ltd.; No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community,Xinqiao Street, Bao'an District, Shenzhen, Guangdong,People's Republic of 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, as specified by Nemko Canada Inc, still resides with 1688 Meridian Av.Suite 700, Miami Beach,FL,US Dated this 2023-6-8 By: Lin Su Signature Printed Title: Manager On behalf of : Hangzhou Roombanker Technology Co., Ltd. Telephone: 0571-86769027

Declaration Letter We, Hangzhou Roombanker Technology Co., Ltd. declared that our product Multi Protocol Host Gateway item No.: DSGW-290, DSGW-290-X (X:1~18) were identical inside, the electrical circuit design, layout, components used and internal wiring, with only difference being model name. Sincerely yours Signature: Name/Title: Manager Tel. No.: 0571-86769027 E-Mail: [email protected] Date：2023-7-10

JianYan Testing Group Shenzhen Co., Ltd. JianYan Testing Group Shenzhen Co., Ltd. Project No.: JYTSZR2302071 No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China. Tel: +86-755-23118282, Fax: +86-755-23116366 Page 1 of 3 EUT External Photos JianYan Testing Group Shenzhen Co., Ltd. JianYan Testing Group Shenzhen Co., Ltd. Project No.: JYTSZR2302071 No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China. Tel: +86-755-23118282, Fax: +86-755-23116366 Page 2 of 3 JianYan Testing Group Shenzhen Co., Ltd. JianYan Testing Group Shenzhen Co., Ltd. Project No.: JYTSZR2302071 No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China. Tel: +86-755-23118282, Fax: +86-755-23116366 Page 3 of 3 ------End------

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JianYan Testing Group Shenzhen Co., Ltd. JianYan Testing Group Shenzhen Co., Ltd. Project No.: JYTSZR2302071 No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China. Tel: +86-755-23118282, Fax: +86-755-23116366 Page 1 of 15 EUT Internal Photos JianYan Testing Group Shenzhen Co., Ltd. JianYan Testing Group Shenzhen Co., Ltd. Project No.: JYTSZR2302071 No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China. Tel: +86-755-23118282, Fax: +86-755-23116366 Page 2 of 15 JianYan Testing Group Shenzhen Co., Ltd. JianYan Testing Group Shenzhen Co., Ltd. Project No.: JYTSZR2302071 No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China. Tel: +86-755-23118282, Fax: +86-755-23116366 Page 3 of 15 JianYan Testing Group Shenzhen Co., Ltd. JianYan Testing Group Shenzhen Co., Ltd. Project No.: JYTSZR2302071 No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China. Tel: +86-755-23118282, Fax: +86-755-23116366 Page 4 of 15 JianYan Testing Group Shenzhen Co., Ltd. JianYan Testing Group Shenzhen Co., Ltd. Project No.: JYTSZR2302071 No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China. Tel: +86-755-23118282, Fax: +86-755-23116366 Page 5 of 15 JianYan Testing Group Shenzhen Co., Ltd. JianYan Testing Group Shenzhen Co., Ltd. Project No.: JYTSZR2302071 No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China. Tel: +86-755-23118282, Fax: +86-755-23116366 Page 6 of 15 JianYan Testing Group Shenzhen Co., Ltd. JianYan Testing Group Shenzhen Co., Ltd. Project No.: JYTSZR2302071 No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China. Tel: +86-755-23118282, Fax: +86-755-23116366 Page 7 of 15 JianYan Testing Group Shenzhen Co., Ltd. JianYan Testing Group Shenzhen Co., Ltd. Project No.: JYTSZR2302071 No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China. Tel: +86-755-23118282, Fax: +86-755-23116366 Page 8 of 15 JianYan Testing Group Shenzhen Co., Ltd. JianYan Testing Group Shenzhen Co., Ltd. Project No.: JYTSZR2302071 No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China. Tel: +86-755-23118282, Fax: +86-755-23116366 Page 9 of 15 JianYan Testing Group Shenzhen Co., Ltd. JianYan Testing Group Shenzhen Co., Ltd. Project No.: JYTSZR2302071 No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China. Tel: +86-755-23118282, Fax: +86-755-23116366 Page 10 of 15 JianYan Testing Group Shenzhen Co., Ltd. JianYan Testing Group Shenzhen Co., Ltd. Project No.: JYTSZR2302071 No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China. Tel: +86-755-23118282, Fax: +86-755-23116366 Page 11 of 15 JianYan Testing Group Shenzhen Co., Ltd. JianYan Testing Group Shenzhen Co., Ltd. Project No.: JYTSZR2302071 No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China. Tel: +86-755-23118282, Fax: +86-755-23116366 Page 12 of 15 JianYan Testing Group Shenzhen Co., Ltd. JianYan Testing Group Shenzhen Co., Ltd. Project No.: JYTSZR2302071 No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China. Tel: +86-755-23118282, Fax: +86-755-23116366 Page 13 of 15 JianYan Testing Group Shenzhen Co., Ltd. JianYan Testing Group Shenzhen Co., Ltd. Project No.: JYTSZR2302071 No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China. Tel: +86-755-23118282, Fax: +86-755-23116366 Page 14 of 15 JianYan Testing Group Shenzhen Co., Ltd. JianYan Testing Group Shenzhen Co., Ltd. Project No.: JYTSZR2302071 No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China. Tel: +86-755-23118282, Fax: +86-755-23116366 Page 15 of 15 ------End------

JianYan Testing Group Shenzhen Co., Ltd. Report No.: JYTSZ-R12-2300193 This equipment has been shown to be capable of compliance with the applicable technical standards as indicated in the measurement report and was tested in accordance with the measurement procedures specified in above the application standard version. Test results reported herein relate only to the item(s) tested. This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 90 days only. Cover Page RF Exposure Evaluation Report Applicant: Hangzhou Roombanker Technology Co., Ltd. Address of Applicant: A#801 Wantong center, Hangzhou, China Equipment Under Test (EUT) Product Name: Multi Protocol Host Gateway Model No.: DSGW-290, DSGW-290-X (X:1~18) FCC ID: 2AUXBDSGW-290 Applicable standards: FCC CFR Title 47 Part 2 (§2.1091) Date of sample receipt: 27 Feb., 2023 Date of Test: 28 Feb., to 26 May, 2023 Date of report issue: 29 May, 2023 Test Result: PASS Tested by: Date: 29 May, 2023 Test Engineer Reviewed by: Date: 29 May, 2023 Project Engineer Approved by: Date: 29 May, 2023 Manager Report No.: JYTSZ-R12-2300193 JianYan Testing Group Shenzhen Co., Ltd. Report Template No.: JYTSZ4b-177-C Project No.: JYTSZR2302071 No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China. Tel: +86-755-23118282, Fax: +86-755-23116366 Page 2 of 7 Version 1 Version No. Date Description 00 29 May, 2023 Original Report No.: JYTSZ-R12-2300193 JianYan Testing Group Shenzhen Co., Ltd. Report Template No.: JYTSZ4b-177-C Project No.: JYTSZR2302071 No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China. Tel: +86-755-23118282, Fax: +86-755-23116366 Page 3 of 7 Contents 2 Page Cover Page ............................................................................................................................................................. 1 Version ........................................................................................................................................................... 2 1 Contents ......................................................................................................................................................... 3 2 General Information ...................................................................................................................................... 4 3 Client Information ................................................................................................................................... 4 3.1 General Description of E.U.T. ................................................................................................................ 4 3.2 Operating Modes .................................................................................................................................... 5 3.3 Additions to, deviations, or exclusions from the method ........................................................................ 5 3.4 Laboratory Facility .................................................................................................................................. 5 3.5 Laboratory Location ................................................................................................................................ 5 3.6 Technical Requirements Specification ....................................................................................................... 6 4 Limits ...................................................................................................................................................... 6 4.1 Test Procedure ....................................................................................................................................... 6 4.2 Result ..................................................................................................................................................... 7 4.3 Conclusion .............................................................................................................................................. 7 4.4 Report No.: JYTSZ-R12-2300193 JianYan Testing Group Shenzhen Co., Ltd. Report Template No.: JYTSZ4b-177-C Project No.: JYTSZR2302071 No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China. Tel: +86-755-23118282, Fax: +86-755-23116366 Page 4 of 7 General Information 3 Client Information 3.1 Applicant: Hangzhou Roombanker Technology Co., Ltd. Address: A#801 Wantong center, Hangzhou, China Manufacturer: Hangzhou Roombanker Technology Co., Ltd. Address: A#801 Wantong center, Hangzhou, China General Description of E.U.T. 3.2 Product Name: Multi Protocol Host Gateway Model No.: DSGW-290, DSGW-290-X (X:1~18) Operation Frequency: 2.4G Wi-Fi: 2412MHz~2462MHz 5.2G Wi-Fi Band 1: 5180MHz~5240MHz 5.8G Wi-Fi Band 4: 5725MHz~5875MHz BLE: 2402MHz~2480MHz Zigbee: 2405MHz~2480MHz Z-WAVE: 908.4 MHz SUB-G:433.92 MHz WCDMA band II: 1852.4 MHz - 1907.6 MHz WCDMA band IV: 1712.4 MHz - 1752.6 MHz WCDMA band V: 826.4 MHz - 846.6 MHz LTE band 2: 1850 MHz - 1910 MHz LTE band 4: 1710 MHz - 1755 MHz LTE band 5: 824 MHz - 849 MHz LTE band 12: 699 MHz - 716 MHz LTE band 13: 777 MHz - 787 MHz LTE band 25: 1850 MHz - 1915 MHz LTE band 26: 814 MHz - 849 MHz Modulation technology: 802.11b: DSSS, 802.11a/g/n/ac: OFDM BLE: GFSK Zigbee: OQPSK SUB-G:ASK Z-WAVE: GFSK WCDMA: RMC(QPSK), HSUPA(QPSK), HSDPA(QPSK,16QAM) LTE: QPSK, 16QAM Antenn…

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JianYan Testing Group Shenzhen Co., Ltd. Report No.: JYTSZ-R12-2300185 This equipment has been shown to be capable of compliance with the applicable technical standards as indicated in the measurement report and was tested in accordance with the measurement procedures specified in above the application standard version. Test results reported herein relate only to the item(s) tested. This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 90 days only. Cover Page FCC RF Test Report (2.4G Wi-Fi) Applicant: Hangzhou Roombanker Technology Co., Ltd. Address of Applicant: A#801 Wantong center, Hangzhou, China Equipment Under Test (EUT) Product Name: Multi Protocol Host Gateway Model No.: DSGW-290, DSGW-290-X (X:1~18) FCC ID: 2AUXBDSGW-290 Applicable Standards: FCC CFR Title 47 Part 15C (§15.247) Date of Sample Receipt: 27 Feb., 2023 Date of Test: 28 Feb., to 26 May, 2023 Date of Report Issued: 29 May, 2023 Test Result: PASS Tested by: Date: 29 May, 2023 Test Engineer Reviewed by: Date: 29 May, 2023 Project Engineer Approved by: Date: 29 May, 2023 Manager Report No.: JYTSZ-R12-2300185 JianYan Testing Group Shenzhen Co., Ltd. Report Template No.: JYTSZ4b-145-C1 Project No.: JYTSZR2302071 No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China. Tel: +86-755-23118282, Fax: +86-755-23116366 Page 2 of 37 Version 1 Version No. Date Description 00 29 May, 2023 Original Report No.: JYTSZ-R12-2300185 JianYan Testing Group Shenzhen Co., Ltd. Report Template No.: JYTSZ4b-145-C1 Project No.: JYTSZR2302071 No.101, Building 8, Innovation Wisdom Port, No.155 Hongtian Road, Huangpu Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, People's Republic of China. Tel: +86-755-23118282, Fax: +86-755-23116366 Page 3 of 37 Contents 2 Page Cover Page ............................................................................................................................................................. 1 Version ........................................................................................................................................................... 2 1 Contents ......................................................................................................................................................... 3 2 General Information ...................................................................................................................................... 4 3 Client Information ................................................................................................................................... 4 3.1 General Description of E.U.T. ................................................................................................................ 4 3.2 Test Mode and Environment .................................................................................................................. 5 3.3 Description of Test Auxiliary Equipment ................................................................................................ 5 3.4 Measurement Uncertainty ...................................................................................................................... 5 3.5 Additions to, Deviations, or Exclusions from the Method ....................................................................... 5 3.6 Laboratory Facility .................................................................................................................................. 6 3.7 Laboratory Location ................................................................................................................................ 6 3.8 Test Instruments List .............................................................................................................................. 6 3.9 Measurement Setup and Procedure ........................................................................................................... 8 4 Test Channel .......................................................................................................................................... 8 4.1 Test Setup .............................................................................................................................................. 8 4.2 Test Procedure ..................................................................................................................................... 10 4.3 Test Results ................................................................................................................................................. 11 5 Summary .............................................................................................................................................. 11 5.1 Clause and Data Summary .............................................................................................................. 11 5.1.1 Test Limit .......................................................................................................................................... 12 5.1.2 Antenna Requirement .......................................................................................................................... 13 5.2 AC Power Line Conducted Emission ................................................................................................... 14 5.3 Emissions in Restricted Frequency Bands .....................................................................…

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