2BCXR-GRAB01GrabShell

- dotBravo, Inc. - The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB986446 D01. An expiration date for this letter does not exist.In case the U.S. agent changes, the granteeis obligated to notify the FCC within 30days via thegranting TCB. Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 10/24/2023 U.S. Agent Designation [dotBravo, Inc.] acknowledges their consent for the following contactlocated in the United Statesto act astheir agent for service of process forthe equipment for which authorization is sought (FCC ID: [2BCXR-GRAB01]): Name and company of U.S. agent: Stone Trading Limited Physical U.S. address of agent: 6547 N Academy Blvd #2266,Colorado Springs,CO 80918,United States FRN of U.S. agent: Email address of U.S. agent: [email protected] [Bouge Tech Inc] acknowledges their obligation to accept service of process onbehalf of [dotBravo, Inc.]. [dotBravo, Inc.] with the FRN[0034258210] accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signingthisform, weconfirm theabove andthat we are aware of the application requirements listed under § 2.911(d)(7). Sincerely, Signature [Name] Yutaka Mikuriya [Title] CTO [Company] dotBravo, Inc. [Name of U.S. agent] Dongmei Fang [Title of U.S. agent] Manager [Company of U.S. agent] Stone Trading Limited 48_[mo del] US_Agent_2.911(d)(7) - U, V04 0033401936

dotBravo, Inc. 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. Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 10/24/2023 To whom it may concern: We, [dotBravo, Inc.], hereby certify that the equipment for which authorization is sought (FCC ID: [2BCXR-GRAB01]) is not “covered” equipment prohibited from receiving an equipment authorization pursuant to § 2.903 of the FCC rules. We also certify that, as of the date of the fi li ng of the application, we are not identified on the Covered List (https://www.fcc.gov/supplychain/coveredlist ) as an entity producing “covered” equipment. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(b) and (d)(5) and (6). Sincerely, Signature [Name] Yutaka Mikuriya [Title] CTO [Company] dotBravo, Inc. 62_[model] CoveredEqu_2.911(d)(5)(i) and (ii) - U, V02

Label Location On EUT Label Product Name: GrabShell Model Number: M1 FCC ID: 2BCXR-GRAB01 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 This device must accept any interference received, including interference that may cause undesired operation.

FCC ID: 2BCXR-GRAB01 Internal ---------------- End ---------------- PCB ANT

RF EXPOSURE EVALUATION FCC ID: 2BCXR-GRAB01 According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency(RF) Radiation as specified in §1.1307(b): Routine SAR evaluation refers to that specifically required by §2.1093, using measurements or computer simulation. When routine SAR evaluation is not required, portable transmitters with output power greater than the applicable low threshold require SAR evaluation to qualify for TCB approval. Channel (MHz) Maximum output power (dBm) Tune up tolerance (dBm) Max Tune Up Power (dBm) Distance (mm) Calculation results Limit Operating Mode 2402 4.10 4.10±1 5.10 5 1.003 3 BLE 2440 3.62 3.62±1 4.62 5 0.905 3 2480 2.58 2.58±1 3.58 5 0.718 3 Test Results: PASS.

Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 1 of 63 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China RF Te st Report For Applicant Name: dotBravo, Inc. Address: Motoichiba 60-1, Fuji-shi, Shizuoka, Japan EUT Name: GrabShell Brand Name: N/A Model Number: M1 Series Model Number: Refer to section 2 Issued By Company Name: BTF Testing Lab (Shenzhen) Co., Ltd. Address: F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China FCC ID: 2BCXR-GRAB01 Report Number: BTF231013R00401 Test Standards: 47 CFR Part 15.247 Test Conclusion: Pass Test Date: 2023-10-07 to 2023-10-13 Date of Issue: 2023-10-23 Prepared By: Chris Liu / Project Engineer Date: 2023-10-23 Approved By: Ryan.CJ / EMC Manager Date: 2023-10-23 Note: All the test results in this report only related to the testing samples. Which can be duplicated completely for the legal use with approval of applicant; it shall not be reproduced except in full without the written approval of BTF Testing Lab (Shenzhen) Co., Ltd., All the objections should be raised within thirty days from the date of issue. To validate the report, you can contact us. Test Report Number: BTF231013R00401 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 2 of 63 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China Revision History Version Issue Date Revisions Content R_V0 2023-10-23 Original Note: Once the revision has been made, then previous versions reports are invalid. Test Report Number: BTF231013R00401 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 3 of 63 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China Table of Contents 1 INTRODUCTION ..........................................................................................................................................5 1.1 Identification of Testing Laboratory ...............................................................................................5 1.2 Identification of the Responsible Testing Location ......................................................................5 1.3 Announcement .................................................................................................................................5 2 PRODUCT INFORMATION..........................................................................................................................6 2.1 Application Information ...................................................................................................................6 2.2 Manufacturer Information ................................................................................................................6 2.3 Factory Information .........................................................................................................................6 2.4 General Description of Equipment under Test (EUT) ................................................................... 6 2.5 Technical Information ......................................................................................................................6 3 SUMMARY OF TEST RESULTS .................................................................................................................7 3.1 Test Standards .................................................................................................................................. 7 3.2 Uncertainty of Test ...........................................................................................................................7 3.3 Summary of Test Result ..................................................................................................................7 4 TEST CONFIGURATION .............................................................................................................................8 4.1 Test Equipment List .........................................................................................................................8 4.2 Test Auxiliary Equipment ..............................................................................................................12 4.3 Test Modes ......................................................................................................................................12 5 EVALUATION RESULTS (EVALUATION) .................................................................................................13 5.1 Antenna requirement .....................................................................................................................13 5.1.1 Conclusion: ...........................................................................................................................13 6 RADIO SPECTRUM MATTER TEST RESULTS (RF) ...............................................................................14 6.1 Conducted Emission at AC power line ........................................................................................14 6.1.1 E.U.T. Operation: ..................................................................................................................14 6.1.2 Test Setup Diagram: .............................................................................................................14 6.1.3 Test Data: .............................................................................................................................15 6.2 Occupied Bandwidth ...............................................................................................................…

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version01 dotBravo, Inc. Declaration concerning Antenna Specification It i s hereby declared that the product Model No.: M1 FCC ID: 2BCXR-GRAB01 fulfill s the requirement in FCC test relating to the antenna type. The device specified above confirms to the FCC recommendations for PCB antenna type(s) described below: Model No. of antenna: N/A_ Type of antenna: PCB Antenna Gain of the antenna: 1.87 dBi Frequency range: 2400-2500 MHz The mounting of the antenna is fixed to the radio module and no other antenna should be used. Company name: dotBravo, Inc. Address: Motoichiba 60-1, Fuji-shi, Shizuoka, Japan City: Shizuoka ZIP / Postal code: Country: Japan Place: Place: Date: 2023-10-24 Signature:

UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Report for Broadcom By iton Lee UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Tested Products.• Antenna 1: integrated antenna. • Frequency = 2.402GHz. • Frequency = 2.441GHz. • Frequency = 2.480GHz. UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Coordinate System Reference: Antenna 1. Top view Side view Z Y X Front view Front viewRear view SMA connector X Z Y UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. XZ Plane at f = 2.402GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. YZ Plane at f = 2.402GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. XY Plane at f = 2.402GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. XZ Plane at f = 2.441GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. YZ Plane at f = 2.441GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. XY Plane at f = 2.441GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. XZ Plane at f = 2.480GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. YZ Plane at f = 2.480GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. XY Plane at f = 2.480GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Return Loss: Antenna 1 BW(-10dB) ¡ 13.48% 2 2.2 2.4 2.6 2.8 3 Frequency (GHz) -16-14-12-10 -8-6-4-2 R e t u r n L o s s ( d B ) UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Measurements summary Frequency (GHz) Plane Return Loss (dB) Polarization Gain max. (dBi) θ for Gain max. φ for Gain max. Antenna 1 2.402 XZ -10.90 Vertical -7.8 290 2.402 XZ -10.90 Horizontal 0.786 182 2.402 YZ -10.90 Vertical 1.21 226 2.402 YZ -10.90 Horizontal -7.75 10 2.402 XY -10.90 Vertical -15.4 20 2.402 XY -10.90 Horizontal 0.93 180 2.441 XZ -12.20 Vertical -7.36 318 2.441 XZ -12.20 Horizontal 1.32 180 2.441 YZ -12.20 Vertical 0.981 204 2.441 YZ -12.20 Horizontal -8.23 24 2.441 XY -12.20 Vertical -14.1 -14 2.441 XY -12.20 Horizontal 1.74 180 2.48 XZ -13.80 Vertical -7.95 312 2.48 XZ -13.80 Horizontal 1.81 186 2.48 YZ -13.80 Vertical 0.204 214 2.48 YZ -13.80 Horizontal -8.38 8 2.48 XY -13.80 Vertical -15.8 12 2.48 XY -13.80 Horizontal 1.87 180

FCC ID: 2BCXR-GRAB01 Conducted Emission at AC power line Emissions in restricted frequency bands (above 1GHz) Emissions in restricted frequency bands (below 1GHz)