2BBKM-C00-PM-Cube Laser Measure

HOZO DESIGN CO., LIMITED Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 3/1/2024 U.S. Agent Designation HOZO DESIGN CO., LIMITED 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: 2BBKM- C00-P): Name and company of U.S. agent: SELLER HELPER INC Physical U.S. address of agent: 1312 17th Street#1298, Denver, CO 80202, Jnited States FRN of U.S. agent: 0033884602 Email address of U.S. agent: [email protected] SELLER HELPER INC acknowledges their obligation to accept service of process on behalf of HOZO DESIGN CO., LIMITED HOZO DESIGN CO., LIMITED.with the FRN：0035015080. 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 signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). 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. Sincerely, Signature [Name] Tiancheng Liang [Title] Manager [Company] HOZO DESIGN CO., LIMITED [Name of U.S. agent] Fairy Lee [Title of U.S. agent] Manager [Company of U.S. agent] SELLER HELPER INC 48_[mo del] US_Agent_2.911(d)(7) - U, V05

M-Cube Laser Measure FCC ID: 2BBKM-C00-P C00-P External photographs

Label And Label Location FCC ID: 2BBKM-C00-P

M-Cube Laser Measure FCC ID: 2BBKM-C00-P C00-P Internal photographs

RF Exposure Requirements 1.1 Product Description for Equipment Under Test (EUT) Client Information Applicant: HOZO DESIGN CO., LIMITED Address of applicant: UNIT 917A, 9/F., TOWER A, NEW MANDARIN PLAZA, NO.14 SCIENCE MUSEUM ROAD, TSIMSHATSUI, KOWLOON Hong Kong Manufacturer: GuangZhou HouZuo Technology Co., Ltd Address of manufacturer: 101 AoTeLang KeJiYuan building4,room101, HuangPu District, GuangZhou, GuangDong. General Description of EUT Product Name: M-Cube Laser Measure Brand Name: Hieha Model No.: C00-P Adding Model(s): C00, C-M01, C-M03, C-M05 Rated Voltage: DC 5V or DC3.7V from battery Power Adapter: / Software Version: / Hardware Version: / Serial Number: 612420232418A07 FCC ID: 2BBKM-C00-P Technical Characteristics of EUT Bluetooth Version: V5.0 BLE Frequency Range: 2402-2480MHz RF Output Power: 4.367dBm (Conducted) Data Rate: 1Mbps Modulation: GFSK Quantity of Channels: 40 Channel Separation: 2MHz Type of Antenna: Chip Antenna Antenna Gain: 0.62dBi 1.2 Standard Applicable According to §1.1307(b)(1) and KDB 447498 D01 General RF Exposure Guidance v06, the following RF exposure evaluation shall to demonstrate RF exposure compliance. [(max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 Where -f(GHz) is the RF channel transmit frequency in GHz -Power and distance are rounded to the nearest mW and mm before calculation -The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm, and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm according to 4.1 f) is applied to determine SAR test exclusion. 1.3 Calculation Method Bluetooth Tx frequency range: 2402~2480MHz Min. test separation distance: 5mm Maximum Conducted Output Power: 4.367dBm RF channel transmit frequency: 2440MHz Result: 0.85 Limit: 3.0 So the transmitter complies with the RF exposure requirements and the SAR is not required.

深圳市金航标电子有限公司 http://www.BDS666.com - 1 - 产 品 技 术 规 格 书 SPECIFICATION 深圳市龙华区民治大道1079号展滔科技大厦C座C809室 TEL：0755-83040901 FAX：0755-83040901 拟制Prepared by： 审核Checked by ： 批准Approved by： 送样日期Formed On 产品版本Document Version ( V1.3 ) 产品型号 PART NO： KH3216-A27 客户料号CUSTOMER PART NO： 客户确认CUSTOMER APPROVED BY： 确认日期APPROVED DATE： 深圳市金航标电子有限公司 深圳市金航标电子有限公司 http://www.BDS666.com - 2 - 目 录 Table of contents 规格书版本更改记录 Version rejigger track record ..............................3 1. 概述 Introduction..................................................................4 2. 外型尺寸及测试板焊盘尺寸 D i m e n s i o n s.....................4～5 3. 测试电路和匹配电路 Evaluation Board and Matching Circuits............5 4. 电气性能 Electrical Characteristics..........................................6 5. 特性曲线 Characteristic curve...................................................6 6. 方向图 Radiation Pattern...................................................7～8 7. 可靠性试验后允许误差 Post Dependability Tolerance ...............9 8. 可靠性试验 Dependability Test..........................................9～10 9. 回流焊温度 Reflow Soldering Standard Condition.....................10 10.包装尺寸 Packaging and Dimensions ....................................11 深圳市金航标电子有限公司 http://www.BDS666.com - 3 - 产品规格书版本更改记录 Version rejigger track record 版本号 Version 更改记录 Rejigger 拟制 Prepared 批准 Approve 日期 Date V1.0 首次发行 姚富鑫 贺俊驹 2015.8.11 V1.1 更改编带厚度 陈星 贺俊驹 2016.10.11 V1.2 更改产品尺寸公差值 姚富鑫 贺俊驹 2017.05.24 V1.3 修正可靠性试验说明内容8.1~8.4 姚富鑫 贺俊驹 2017.11.07 备注： 1、更改产品电性能指标时，版本号需更换（V1.0换为V2.0、V3.0......）； 2、更改产品测试方法（包括可靠性测试条件），或更改使用条件时，当前版本号加系列（V1.0 换为V1.1、V1.2......）。 深圳市金航标电子有限公司 http://www.BDS666.com - 4 - 1. 概述 INTRODUCTION 金航标微波多层陶瓷天线LA系列产品设计用于WLAN、WiFi、蓝牙、PHS，手机 多频天线, FM等小体积SMD片式设计。 kinghelm Microwave Multi-Layer Ceramic Antenna LA series are designed to be used in WLAN、WiFi、Bluetooth、PHS、 Multiple-band Mobile phone antenna, FM, etc and compact size SMD chip design. 2. 外型尺寸及测试板焊盘尺寸 Dimensions（Unit：mm） 深圳市金航标电子有限公司 http://www.BDS666.com - 5 - 3. 测试电路和匹配电路 Evaluation Board and Matching Circuits 5.6nH 0.5pF Unit:mm 50ΩFeeding Line GND VIA πType Matching Network Clearance Area 5.0 6.0 1.25 1 . 8 2.25 0 . 7 4 0 . 7 4 3 . 3 4 3 . 7 7 1.0 1.63 技术详询 深圳市金航标电子有限公司 http://www.BDS666.com - 6 - 4.电气性能Electrical Characteristics No. Item （项目） Specifications （特性） 5.1 Central Frequency 中心频率(No matching) 2545MHz (带匹配电路测试)After Matching 2450 MHz 5.2 Band Width 通带宽度 100 MHz typ. 5.3 Peak Gain 峰值增益 0.62dBi 5.4 V.S.W.R (in BW) 驻波比 ≤2.0 5.5 Polarization 极化方式 Linear 线性 5.6 Azimuth Beam width 方位角 Omni-directional 全向 5.7 Impedance 阻抗 50 Ω 5.特性曲线Characteristic curve 深圳市金航标电子有限公司 http://www.BDS666.com - 7 - 6.方向图及效率Radiation Pattern & Efficiency coordinates： X-Z Plane X-Y Plane 深圳市金航标电子有限公司 http://www.BDS666.com - 8 - Y-Z Plane 3D Radiation Pattern Frequency (MHz) 2400 2450 2500 Avg. Gain (dBi) -1.56-1.28-1.15 Peck Gain (dBi) 0.62 0.54 0.48 Efficiency (%) 71.8 73.5 75.6 深圳市金航标电子有限公司 http://www.BDS666.com - 9 - No. Item （项目） 7.可靠性试验后允许误差 Post Dependability Tolerance 经可靠性试验后允许比起始读数偏差见下表 Post Dependability Tolerance ( Refer to the table ) Post Dependability Tolerance (可靠性试验后允许附加误差) 7.1 Central Frequency 中心频率 ±5 MHz 7.2 Band Width 通带宽度 ±5 MHz 7.3 Gain 增益 ±0.1 dBi 7.4 V.S.W.R (in BW) 驻波比 ±0.1 8. 可靠性试验 Dependability Test 基准条件：温度范围 Temperature range 25±5°C 相对湿度范围 Relative Humidity range 55~75%RH 工作温度 Operating Temperature range -40°C~+85°C 贮藏温度 Storage Temperature range -40°C~+85°C 8.1 耐振动 Vibration Resist 在振动频率为10~55Hz振幅为1.5mm 沿X.Y.Z方向各振动2小时后测试符合表8.1~8.4规定。 The device should satisfy the electrical characteristics specified in paragraph 8.1~8.4 after applied to the vibration of 10 to 55Hz with amplitude of 1.5mm for 2 hours each in X , Y and Z directions. 8.2 耐跌落冲击 Drop Shock 在100cm高度处按X，Y，Z三个面分别自由跌落在木制地板上共3次后测试符合表8.1~8.4规 定。 The device should satisfy the electrical characteristics specified in paragraph 8.1~8.4 after dropping onto the hard wooden board from the height of 100cm for 3 times each facet of the 3 dimensions of the device. 8.3 耐焊接热 Solder Heat Proof 能承受经120~150°C的温度预热120秒后，在255°C+10°C的焊锡浸5±0.5秒，或300°C-10°C的 电烙铁焊接3±0.5秒，焊接面无损伤。 The device should be satisfied after preheating at 120°C~150°C for 120 seconds and dipping in soldering Sn at 255°C+10°C for 5±0.5 seconds，or electric iron 300°C-10°C for 3±0.5 seconds， without damnify. 8.4 结合力试验 Tensile Strength of Terminal 在产品电极端子上或表面上应能承受1kg垂直拉力10±1秒。 The device should not be broken after tensile force of 1.0kg is slowly applied to pull a lead pin of 深圳市金航标电子有限公司 http://www.BDS666.com - 10 - the fixed device in the lead axis direction for 10±1 seconds. 8.5 耐弯曲试验 Bending Resist Test 将产品按图焊在1.6±0.2mm的 PCB 板中间，由箭头方向施 力：1mm/S，弯曲距离：1.5mm，保持5±1S，产品金属层无脱落。 Weld the product to the center part of the PCB with the thickness 1.6±0.2mm as the illustration shows, and keep exerting force arrow-ward on it at speed of :1mm/S , and hold for 5±1S at the position of 1.5mm bending distance , so far , any peeling off of the product metal coating should not be detected . 8.6 耐湿热特性 Moisture Proof 在温度为60±2°C，相对湿度90~95%的恒温湿箱中放置96小时，在常温中恢复1~2小时后测 试，符合表8.1~8.4规定。 The device should satisfy the electrical characteristics specified in paragraph 8.1~8.4 after exposed to the temperature 60±2°Cand the relative humidity 90~95% RH for 96 hours and 1~2 hours recovery time under normal condition. 8.7 高温特性 High Temperature Endurance 在温度为85±5°C的恒温箱中放置96±2小时，在常温中恢复1~2小时后测试。符合表8.1~8.4 规定。 The device should satisfy the electrical characteristics specified in paragraph 8.1~8.4 after exposed to temperature 85±5°Cfor 96±2 hours and 1~2 hours recovery time under normal temperature. 8.8 低温特性 Low Temperature Endurance 在温度为-40°C±5°C低温箱中放置96±2小时后恢复1~2小时测试符合表8.1~8.4规定。 The device should also satisfy the electrical characteristics specified in paragraph 8.1~8.4 after exposed to the temperature -40°C±5°C for 96±2 hours and to 2 hours recovery time under normal temperature. 8.9 温度循环 Temperature Cycle Test 在-40°C温度中保持30分钟，再在+85°C温度中保持30分钟，共循环5次后在常温中恢复1~2 小时后测试符合表8.1~8.4规定。 The device should also satisfy the electrical characteristics spe…

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Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 1 of 41 TEST REPORT Reference No. .................... : WTX24X02290301W-1 FCC ID ................................ : 2BBKM-C00-P Applicant ........................... : HOZO DESIGN CO., LIMITED Address.............................. : UNIT 917A, 9/F., TOWER A, NEW MANDARIN PLAZA, NO.14 SCIENCE MUSEUM ROAD, TSIMSHATSUI, KOWLOON Hong Kong Product Name ................... : M-Cube Laser Measure Test Model. ........................ : C00-P, C00, C-M01, C-M03, C-M05 Standards .......................... : FCC Part 15.247 Date of Receipt sample .... : Feb 22, 2024 Date of Test........................ : Feb 23-28, 2024 Date of Issue ..................... : Feb 29, 2024 Test Result ......................... : Pass Remarks: The 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. Prepared By: Waltek Testing Group (Shenzhen) Co., Ltd. Address: 1/F., Room 101, Building 1, Hongwei Industrial Park, Liuxian 2nd Road, Block 70 Bao'an District, Shenzhen, Guangdong, China Tested by: Reviewed By: Approved & Authorized By: Tom Wang / Project Engineer Jason Su / RF Manager Silin Chen / Manager Reference No.: WTX24X02290301W1 Page 2 of 41 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn TABLE OF CONTENTS 1. GENERAL INFORMATION ...................................................................................................................................4 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ...............................................................................4 1.2 TEST STANDARDS ...................................................................................................................................................5 1.3 TEST METHODOLOGY .............................................................................................................................................5 1.4 TEST FACILITY .......................................................................................................................................................5 1.5 EUT SETUP AND TEST MODE .................................................................................................................................6 1.6 MEASUREMENT UNCERTAINTY ..............................................................................................................................6 1.7 TEST EQUIPMENT LIST AND DETAILS .....................................................................................................................7 2. SUMMARY OF TEST RESULTS ...........................................................................................................................9 3. ANTENNA REQUIREMENT ................................................................................................................................ 10 3.1 STANDARD APPLICABLE ....................................................................................................................................... 10 3.2 EVALUATION INFORMATION................................................................................................................................. 10 4. POWER SPECTRAL DENSITY ........................................................................................................................... 11 4.1 STANDARD APPLICABLE ....................................................................................................................................... 11 4.2 TEST SETUP BLOCK DIAGRAM ............................................................................................................................. 11 4.3 TEST PROCEDURE ................................................................................................................................................. 11 4.4 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 11 5. DTS BANDWIDTH ................................................................................................................................................. 12 5.1 STANDARD APPLICABLE ....................................................................................................................................... 12 5.2 TEST SETUP BLOCK DIAGRAM ............................................................................................................................. 12 5.3 TEST PROCEDURE ................................................................................................................................................. 12 5.3 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 12 6. RF OUTPUT POWER ............................................................................................................................................ 13 6.1 STANDARD APPLICABLE ....................................................................................................................................... 13 6.2 TEST SETUP BLOCK DIAGRAM ............................................................................................................................. 13 6.3 TEST PROCEDURE ................................................................................................................................................. 13 6.4 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 13 7. FIELD STRENGTH OF SPURIOUS EMISSIONS ............................................................................................. 14 7.1 STANDARD APPLICABLE ........…

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M-Cube Laser Measure FCC ID: 2BBKM-C00-P C00-P Test setupt photos Radiated emission 30MHz~1GHz Conducted emission Radiated emission Above 1GHz