2A6C7-BB27283 inches portable speaker

ID:2A6C7-BB2728 ID:2A6C7-BB2728

Agent Authorization Company: ACOUS (HK) TECHNOLOGY CO.,LIMITED Address: 3F building A1 changrui industrial park pinshun road guanlan town, Shenzhen city, China Product Name: 3 inches portable speaker Model Number(s): BB2728, BT-30, BT-31, BT-32, BT-33, BT-34, BT-35, BT-36, BT-37, BT-38, BT-39, BT-40, BT-41, BT-42, BT-43, BT-44, BT-45, BT-46, BT-47, BT-48, BT- 49, BT-50, BT-51, BT-52, BT-53, BT-54, BT-55 Product Description: 3 inches portable speaker 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 equipment to the 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 our own. Signature: Date: 2023-01-04 Name: Jason he Title: Sales Director Company: ACOUS (HK) TECHNOLOGY CO.,LIMITED

Test Model No.: BB2728

FCC ID:2A6C7-BB2728 PO# 22316

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Test Model No.: BB2728

Inverted F Antenna Specification Summary ITEM ANT SPEC Model Name 2.4G ANT Horizontal Vertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.73 -0.84 -0.68 -6.15 -3.70 -2.32 MAX. Gain -0.68 Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Length 38.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -1.73178 -30.0815 -8.48713 2450 -0.845801 -38.5605 -7.88012 2500 -0.685586 -24.0318 -6.79139 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -6.1530 -24.1420 -13.0295 2450 -3.7054 -26.5836 -10.6700 2500 -2.32122 -30.4301 -9.70536 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

Global United Technology Services Co., Ltd. Report No.: GTSL202212000201F01 Authorized Signature: Robinson Luo Laboratory Manager This results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Page 1 of 27 TEST REPORT Applicant: ACOUS (HK) TECHNOLOGY CO.,LIMITED Address of Applicant: 3F building A1 changrui industrial park pinshun road guanlan town, Shenzhen city, China Manufacturer: ESI Cases & Accessories Address of Manufacturer: One Gateway Center, Suite 2600 Newark, NJ07102 Equipment Under Test (EUT) Product Name: 3 inches portable speaker Model No.: BB2728, BT-30, BT-31, BT-32, BT-33, BT-34, BT-35, BT-36, BT-37, BT-38, BT-39, BT-40, BT-41, BT-42, BT-43, BT-44, BT- 45, BT-46, BT-47, BT-48, BT-49, BT-50, BT-51, BT-52, BT-53, BT-54, BT-55 Trade Mark: billboard FCC ID: 2A6C7-BB2728 Applicable standards: FCC CFR Title 47 Part 15 Subpart C Section 15.249 Date of sample receipt: December 27, 2022 Date of Test: December 28, 2022-January 04, 2023 Date of report issued: January 04, 2023 Test Result : PASS * * In the configuration tested, the EUT complied with the standards specified above. Report No.: GTSL202212000201F01 Global United Technology Services Co., Ltd. No. 123- 128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 2 of 27 2 Version Version No. Date Description 00 January 04, 2023 Original Prepared By: Date: January 04, 2023 Project Engineer Check By: Date: January 04, 2023 Reviewer Report No.: GTSL202212000201F01 Global United Technology Services Co., Ltd. No. 123- 128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 3 of 27 3 Contents Page 1 COVER PAGE ............................................................................................................................................ 1 2 VERSION .................................................................................................................................................. 2 3 CONTENTS .............................................................................................................................................. 3 4 TEST SUMMARY ..................................................................................................................................... 4 4.1 MEASUREMENT UNCERTAINTY ............................................................................................................ 4 5 GENERAL INFORMATION ...................................................................................................................... 5 5.1 GENERAL DESCRIPTION OF EUT ......................................................................................................... 5 5.2 TEST MODE ........................................................................................................................................ 7 5.3 DESCRIPTION OF SUPPORT UNITS ....................................................................................................... 7 5.4 DEVIATION FROM STANDARDS ............................................................................................................. 7 5.5 ABNORMALITIES FROM STANDARD CONDITIONS ................................................................................... 7 5.6 TEST FACILITY .................................................................................................................................... 8 5.7 TEST LOCATION ................................................................................................................................. 8 5.8 ADDITIONAL INSTRUCTIONS ................................................................................................................. 8 6 TEST INSTRUMENTS LIST ..................................................................................................................... 9 7 TEST RESULTS AND MEASUREMENT DATA .................................................................................... 11 7.1 ANTENNA REQUIREMENT ................................................................................................................... 11 7.2 CONDUCTED EMISSIONS ................................................................................................................... 12 7.3 RADIATED EMISSION METHOD ........................................................................................................... 15 7.3.1 Field Strength of The Fundamental Signal ................................................................................ 17 7.3.2 Spurious emissions .................................................................................................................... 18 7.3.3 Bandedge emissions.................................................................................................................. 23 7.4 20DB OCCUPY BANDWIDTH .............................................................................................................. 24 8 TEST SETUP PHOTO ............................................................................................................................ 27 9 EUT CONSTRUCTIONAL DETAILS ..................................................................................................... 27 Report No.: GTSL202212000201F01 Global United Technology Services Co., Ltd. No. 123- 128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 4 of 27 4 Test Summary Test It…

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Test Model No.: BB2728 Radiated Emission Conducted Emission