2ALKI-CS20-1Cloud Speaker

FCC Statement 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. Caution: Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. NOTE: 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 important announcement

Wuhan Tianyu Info rmati on Industr y Co., Ltd . Huazhong Univ ers it y of Sc i. & Tech., Ea st Lake Dev. Zone, Wuhan 430223,Hubei, Chin a The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. Federa l Communications Commission Authori zation and Evaluati on Division Equipment Authori zation Bra nch 7435 Oakland Mills Road Columbia, MD 21046 7/4/23 U.S . Agent Designati on Sincerely By signing th is fo rm, we confirm th e above and th at we are aware of th e applicati on requirements liste d under § 2.9 11(d)(7) [Wuhan Tianyu Information Industry Co., Ltd.]acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID:[2ALKI-CS20-1]): Name and company of U.S. agent:Tim Payne, FCC US Agent, LLC Physical U.S. address of agent: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA FRN of U.S. agent: 0033402884 Email address of U.S. agent: [email protected] [FCC US Agent, LLC]acknowledges their obligation to accept service of process on behalf of [Wuhan Tianyu Information Industry Co., Ltd.]. [Wuhan Tianyu Information Industry Co., Ltd.]with the FRN[0026371674]acceptsitsobligationto m aintain an agent for service of process in the United States for no less than one year after either the g rantee has permanently terminated all marketing and importation of the applicable equipment within t he U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving t he equipment, whichever is later. . , Signature XuedongSu manager WuhanTianyuInformationIndustryCo.,Ltd. Signature TimPayne Manager FCCUSAgent,LLC 48_[model] US_Agent_2.911(d)(7)-U, V04

Page1of8ReportNo.:AIT23042708 PHOTOGRAPHSOFEUT AllVIEWOFEUT TOPVIEWOFEUT FCC ID: 2ALKI-CS20-1 Page2of8ReportNo.:AIT23051706 BOTTOMVIEWOFEUT FRONTVIEWOFEUT FCC ID: 2ALKI-CS20-1 Page3of8ReportNo.:AIT23051706 BACKVIEWOFEUT FCC ID: 2ALKI-CS20-1

Label

Page4of8ReportNo.:AIT23051706 OPENVIEWOFEUT(FIGURE1) OPENVIEWOFEUT(FIGURE2) FCC ID: 2ALKI-CS20-1 Page5of8ReportNo.:AIT23051706 OPENVIEWOFEUT(FIGURE3) OPENVIEWOFEUT(FIGURE4) FCC ID: 2ALKI-CS20-1 Page6of8ReportNo.:AIT23051706 OPENVIEWOFEUT(FIGURE5) OPENVIEWOFEUT(FIGURE6) FCC ID: 2ALKI-CS20-1 Page7of8ReportNo.:AIT23051706 ANT WIFI-BT GSM/WCDMA/LTE FCC ID: 2ALKI-CS20-1 Page8of8ReportNo.:AIT23051706 Battery ----ENDOFREPORT---- FCC ID: 2ALKI-CS20-1

Page 1 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity SAR TEST REPORT For Wuhan Tianyu lnformation Industry Co., Ltd. Cloud Speaker Test Model:CS20-1 Prepared for : Wuhan Tianyu lnformation Industry Co., Ltd. Address : Huazhong University of Sci. & Tech., East Lake Dev. ZoneWuhan 430223,Hubei,China Prepared by : Shenzhen LCS Compliance Testing Laboratory Ltd. Address : 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel : (86)755-82591330 Fax : (86)755-82591332 Web : www.LCS-cert.com Mail : [email protected] Date of receipt of test sample : May 15, 2023 Number of tested samples : 1 Sample No. : A051123105-1 Serial number : Prototype Date of Test : May 15, 2023~ June 16, 2023 Date of Report : June 19, 2023 Page 2 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity SAR TEST REPORT Report Reference No. ................. : LCSA051123105E Date Of Issue ................................ : June 19, 2023 Testing Laboratory Name ........... : Shenzhen LCS Compliance Testing Laboratory Ltd. Address ......................................... : 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Applicant’s Name ........................ : Wuhan Tianyu lnformation Industry Co., Ltd. Address ......................................... : Huazhong University of Sci. & Tech., East Lake Dev. ZoneWuhan 430223,Hubei,China Test Specification: Standard ........................................ : IEEE Std C95.1, 2019/ IEC-IEEE 62209-1528-2020/FCC Part 2.1093 Test Report Form No. ................... : LCSEMC-1.0 TRF Originator............................... : Shenzhen LCS Compliance Testing Laboratory Ltd. Master TRF ................................... : Dated 2011-03 Shenzhen LCS Compliance Testing Laboratory Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen LCS Compliance Testing Laboratory Ltd. is acknowledged as copyright owner and source of the material. Shenzhen LCS Compliance Testing Laboratory Ltd. takes noresponsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test Item Description. ................. : Cloud Speaker Trade Mark .................................... : Model/Type Reference .................. : CS20-1 Operation Frequency .................... : GSM 850,1900;WCDMA II,V; LTE2,4,7,12;WLAN2.4G and Bluetooth4.1. Ratings .......................................... : DC 4.35V by Rechargeable Li-ion Battery, 2600mAh. Result .......................................... : Positive Compiled by: Supervised by: Approved by: Jay Zhan/ File administrators Cary Luo / Technique principal Gavin Liang/ Manager Page 3 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity SAR -- TEST REPORT Test Result Positive The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Test Report No. : LCSA051123105E June 19, 2023 Date of issue Type / Model......................... : CS20-1 EUT....................................... : Cloud Speaker Applicant.............................. : Wuhan Tianyu lnformation Industry Co., Ltd. Address.................................. : Huazhong University of Sci. & Tech., East Lake Dev. ZoneWuhan 430223,Hubei,China Telephone.............................. : / Fax......................................... : / Manufacturer....................... : Wuhan Tianyu lnformation Industry Co., Ltd. Address.................................. : Huazhong University of Sci. & Tech., East Lake Dev. ZoneWuhan 430223,Hubei,China Telephone.............................. : / Fax......................................... : / Factory.................................. : Wuhan Tianyu lnformation Industry Co., Ltd. Address.................................. : Huazhong University of Sci. & Tech., East Lake Dev. ZoneWuhan 430223,Hubei,China Telephone.............................. : / Fax......................................... : / Page 4 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Revison History Revision Issue Date Revision Content Revised By 000 June 19, 2023 Initial Issue --- Page 5 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity TABLE OF CONTENTS 1. TEST STANDARDS AND TEST DESCRIPTION ...........................................…

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Page 84 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 85 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 86 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 87 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 88 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity 5.3 SID835Dipole Calibration Ceriticate Page 89 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 90 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 91 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 92 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 93 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 94 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 95 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 96 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 97 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 98 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 99 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity 5.4 SID1800 Dipole Calibration Certificate Page 100 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-…

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Page 115 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 116 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 117 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 118 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 119 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 120 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 121 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity 5.6 SID2450 Dipole Calibration Ceriticate Page 122 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 123 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 124 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 125 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 126 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 127 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 128 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 129 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 130 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Page 131 of 147 FCC ID: 2ALKI-CS20-1 Report No.: LCSA051123105E Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: webmaster@lcs-cert.…

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Page 1 of 36 Report No.: AIT23042708FW2 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. TEST REPORT Client Information: Applicant: Wuhan Tianyu lnformation Industry Co., Ltd. Applicant add.: Huazhong University of Sci. & Tech., East Lake Dev. Zone,Wuhan 430223,Hubei,China Manufacturer: Wuhan Tianyu lnformation Industry Co., Ltd. Manufacturer add.: Huazhong University of Sci. & Tech., East Lake Dev. Zone,Wuhan 430223,Hubei,China Product Information: Product Name: Cloud Speaker Model No.: CS20-1 Brand Name: FCC ID: 2ALKI-CS20-1 Applicable standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 Prepared By: Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang,Dongguan, Guangdong, China Tel.: +86-769-8202 0499 Fax.: +86-769-8202 0495 Date of Receipt: 2023.04.30 Date of Test: 2023.04.30~2023.06.17 Date of Issue: 2023.06.17 Test Result: Pass This device described above has been tested by Dongguan Yaxu (AiT) Technology Limited and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. Note: This report shall not be reproduced except in full, without the written approval of Dongguan Yaxu (AiT) Technology Limited, this document may be altered or revised by Dongguan Yaxu (AiT) Technology Limited, personal only, and shall be noted in the revision of the document. This test report must not be used by the client to claim product endorsement. Reviewed by: Approved by: Simba Huang Seal.chen Page 2 of 36 Report No.: AIT23042708FW2 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. 1 Contents Page COVER PAGE 1 CONTENTS ......................................................................................................................................................................... 2 2 TEST SUMMARY ............................................................................................................................................................... 4 2.1 Statement of the Measurement Uncertainty ....................................................................................... 4 2.2 Measurement Uncertainty ................................................................................................................... 4 3 TEST FACILITY .................................................................................................................................................................. 5 3.1 Deviation from standard ...................................................................................................................... 5 3.2 Abnormalities from standard conditions .............................................................................................. 5 3.3 Test Location ....................................................................................................................................... 5 4 GENERAL INFORMATION .............................................................................................................................................. 6 4.1 Test frequencies .................................................................................................................................. 7 4.2 EUT Peripheral List ............................................................................................................................. 7 4.3 Test Peripheral List ............................................................................................................................. 7 4.4 TEST METHODOLOGY ..................................................................................................................... 8 4.5 Description of Test Modes ................................................................................................................... 9 5 EQUIPMENT USED DURING TEST ............................................................................................................................. 10 6 TEST RESULTS AND MEASUREMENT DATA ......................................................................................................... 11 6.1 Antenna requirement ......................................................................................................................... 11 6.2 On Time and Duty Cycle ................................................................................................................... 12 6.3 Maximum Conducted Output Peak Power Measurement ................................................................ 13 6.4 6 dB Spectrum Bandwidth Measurement ......................................................................................... 15 6.5 Power Spectral Density..................................................................................................................... 16 6.6 Conducted Spurious Emissions and Band Edges Test .................................................................... 18 6.7 Restrict-band Band-edge Measurements ......................................................................................... 20 6.8 Radiated Emissions Measurement ................................................................................................... 23 6.9 Conducted Emissions ....................................................................................................................... 33 7 TEST SETUP PHOTOGRAPHS OF EUT ..................................................................................................................... 36 8 EXTERNAL PHOTOGRAPHS OF EUT ........................................................................................................................ 36 9 INTERNAL PHOTOGRAPHS OF EUT ......................................................................................................................…

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Page 1 of 42 Report No.: AIT23042708FW3 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. TEST REPORT Client Information: Applicant: Wuhan Tianyu lnformation Industry Co., Ltd. Applicant add.: Huazhong University of Sci. & Tech., East Lake Dev. Zone,Wuhan 430223,Hubei,China Manufacturer: Wuhan Tianyu lnformation Industry Co., Ltd. Manufacturer add.: Huazhong University of Sci. & Tech., East Lake Dev. Zone,Wuhan 430223,Hubei,China Product Information: Product Name: Cloud Speaker Model No.: CS20-1 Brand Name: FCC ID: 2ALKI-CS20-1 Applicable standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 Prepared By: Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang,Dongguan, Guangdong, China Tel.: +86-769-8202 0499 Fax.: +86-769-8202 0495 Date of Receipt: 2023.04.30 Date of Test: 2023.04.30~2023.06.17 Date of Issue: 2023.06.17 Test Result: Pass This device described above has been tested by Dongguan Yaxu (AiT) Technology Limited and the test results show that the equipment under test (EUT) is in compliance with the FCC/ISED requirements. And it is applicable only to the tested sample identified in the report. Note: This report shall not be reproduced except in full, without the written approval of Dongguan Yaxu (AiT) Technology Limited, this document may be altered or revised by Dongguan Yaxu (AiT) Technology Limited, personal only, and shall be noted in the revision of the document. This test report must not be used by the client to claim product endorsement. Reviewed by: Approved by: Simba Huang Seal.chen Page 2 of 42 Report No.: AIT23042708FW3 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. 1 Contents …

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