2AEOGDTX10Laser Distance Meter

Shenzhen Mileseey Technology Co., Ltd. Date: 2024/07/05 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Ref: Attestation Statements Part 2.911(d)(5)(i) and Part 2.911(d)(5)(ii) Filing Re. KDB 986446 D01 FCC ID: 2AEOGDTX10 Dear Sir or Madam, [Shenzhen Mileseey 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. We also certify that, [Shenzhen Mileseey 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 a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment . If you have any questions, please contact us. Sincerely, Contact name: Shunfa Tang Company name: Shenzhen Mileseey Technology Co., Ltd. Address: No.3601 Block A, Tanglang Town Plaza West, Fuguang Community, Taoyuan Street, Nansha, Taoyuan Street,Nanshan District, Shenzhen 518055, China E-mail: [email protected] Tel: 0755-86329055-8077

Shenzhen Mileseey Technology Co., Ltd. Date (2024/07/05) TUV SUD BABT UNLIMITED TCB Octagon House, Segensworth North, Fareham, Hampshire, PO15 5RL, United Kingdom Confidentiality Request FCC ID: 2AEOGDTX10 Pursuant to Sections 0.457(d)(1)(ii) and 0.459 of the Commission’s Rules, Shenzhen Mileseey Technology Co., Ltd. hereby requests permanent confidential treatment of information accompanying this application as outlined below: Schematics Bill of Materials/Parts List Block Diagrams Theory of Operation Shenzhen Mileseey Technology Co., Ltd. also hereby requests short-term confidential treatment of information accompanying this application as outlined below for a period of 180 days: Internal Photos External Photos User Manual Test Set-up Photographs The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457(d)(1)(ii), disclosure of this Application and all accompanying materials will not be made before the date of the Grant for this Application. Yours sincerely, Company Officer: Shenzhen Mileseey Technology Co., Ltd. Telephone Number: 0755-86329055-8077 Email: [email protected]

Shenzhen Mileseey Technology Co., Ltd. Date: 2024/07/05 To: Federal Communications Commission 7435 Oakland Mills Road Columbia MD FCC ID: 2AEOGDTX10 To Whom It May Concern: This letter is to ascertain that Shenzhen Mileseey Technology Co., Ltd. Product name: Laser Distance Meter, Model: DTX10, DT10, DT10-B, DT10-B3, DT10-U, DT20, DT20-B, DT30, DT40, DT50, DT60, DT70, DT80, DT90, DT100, D110, D110S, DT11, LTM2M, LTM2X, XTape 1, XTape 2, XTape 3, XTape 4, XTape 5, XTape 6 has been the units used for conducting FCC compliance testing, the SDoC part will be tested by FCC recognized test lab. If you have any question or concerns, please contact us. Sincerely, Contact name: Shunfa Tang Company name: Shenzhen Mileseey Technology Co., Ltd. Address: No.3601 Block A, Tanglang Town Plaza West, Fuguang Community, Taoyuan Street, Nansha Taoyuan Street,Nanshan District, Shenzhen 518055, China E-mail: [email protected] Tel: 0755-86329055-8077

Shenzhen Mileseey Technology Co., Ltd. file: declaration letter-template Page 1 of 1 To: TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch Date: July 04, 2024 Total Page: 1 Subject: Declaration letter We: Shenzhen Mileseey Technology Co., Ltd. No.3601 Block A, Tanglang Town Plaza West, Fuguang Community, Taoyuan Street, Nansha Taoyuan Street,Nanshan District, Shenzhen 518055, China Officially notify TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch that the <<DTX10, DT10, DT10-B, DT10-B3, DT10-U, DT20, DT20-B, DT30, DT40, DT50, DT60, DT70, DT80, DT90, DT100, D110, D110S, DT11, LTM2M, LTM2X, XTape 1, XTape 2, XTape 3, XTape 4, XTape 5, XTape 6>> have the same technical construction including circuit diagram, PCB Layout, components and component layout, all electrical construction and mechanical construction, with <<Laser Distance Meter>>, <<DTX10>>. The difference lies only in the color and marketing purpose of the different models. <<Model A>>: DT10, DT10-B, DT10-B3, DT10-U, DT20, DT20-B, DT30, DT40, DT50, DT60, DT70, DT80, DT90, DT100, D110, D110S, DT11, LTM2M, LTM2X, XTape 1, XTape 2, XTape 3, XTape 4, XTape 5, XTape 6 <<Model B>>: DTX10 <<Product>>: Laser Distance Meter FCC ID: 2AEOGDTX10 Applicant: Shenzhen Mileseey Technology Co., Ltd. _2024-07-04_ (Date)

FCC ID: 2AEOGDTX10 Shenzhen Mileseey Technology Co., Ltd. LASER DISTANCE METER -5 Accuracy:±(2.0mm+5x10D) www.mileseeytools.com Made in China Office Add:No.3601 Block A, Tanglang Town Plaza West,Fuguang Community,Taoyuan Street, Nanshan Distr ict, Shenzhen, China LASER RADIATION DO NOT STARE INTO BEAM CLASS 2 CONSUMER LASER PRODUCT EN 50689:2021 MAXIMUM OUTPUT＜1mW WAVELENGTH 630-670nm Battery Type:2600mAh rechargeable Liion bat tery Model: DTX10 FCC StatementThis 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. FCC ID: 2AEOGDTX10 GREEN WAVELENGTH 510-530NM

TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch Building 12&13, Zhiheng Wisdomland Business Park, Guankou Erlu, Nantou, Nanshan District, Shenzhen City, 518052, P. R. China Tel. +86 755 8828 6998, Fax: +86 755 8828 5299 Report Number: 68.950.23.0580.01A RF Exposure Estimation 1. Introduction Product: Laser Distance Meter Model No.: DTX10, DT10, DT10-B, DT10-B3, DT10-U, DT20, DT20-B, DT30, DT40, DT50, DT60, DT70, DT80, DT90, DT100, D110, D110S, DT11, LTM2M, LTM2X, XTape 1, XTape 2, XTape 3, XTape 4, XTape 5, XTape 6 FCC ID: 2AEOGDTX10 The EUT is a Laser Distance Meter, which contain BLE function inside. Note: All models are identical in technical construction including circuit diagram, PCB layout, components and component layout, the differences lies only in the color and marketing purpose of different models. So RF exposure estimation were applied on DTX10, other models deemed to fulfill the requirement without further estimation. 2. Details about the Test Laboratory Company name: TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch Building 12 & 13, Zhiheng Wisdomland Business Park, Guankou Erlu, Nantou, Nanshan District, Shenzhen 518052, P.R. China Telephone: 86 755 8828 6998 Fax: 86 755 828 5299 FCC Registration No.: 514049 FCC Designation Number: CN5009 3. Limit and Guidelines on Exposure to Electromagnetic Fields According to §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensure that the public is not exposed to radio frequency energy level in excess of the Commission’s guideline. According to KDB 447498 D01 General RF Exposure Guidance v06, Mobile Portable RF Exposure, no SAR required if power is lower than the flowing threshold: The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] [√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where f(GHz) is the RF channel transmit frequency in GHz Power and distance are rounded to the nearest mW and mm before calculation25 The result is rounded to one decimal place for comparison 3.0 and 7.5 are referred to as the numeric thresholds in the step 2 below 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 5) in section 4.1 is applied to determine SAR test exclusion. TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch Building 12&13, Zhiheng Wisdomland Business Park, Guankou Erlu, Nantou, Nanshan District, Shenzhen City, 518052, P. R. China Tel. +86 755 8828 6998, Fax: +86 755 8828 5299 Report Number: 68.950.23.0580.01A 4. Calculation method [(max. power of` channel, including tune-up tolerance, mW) / (min. test separation distance, mm)] ·[√f(GHz)] ≤ 3.0 Conducted Power + tune up tolerance = -6.14dBm= 0.243mW Distance = 5 mm f = 2.440 GHz [0.243/5] * SQRT (2.440) = 0.076 0.076≤ 3.0 Therefore, excluded from SAR testing. - TÜV SÜD China, Shenzhen Branch – Reviewed by: Prepared By: John Zhi/Project Manager Date: 2024-05-17 Sanvin Zheng/Project Engineer Date: 2024-05-17

AntennaSpecification Manufacture：TUYA ProductName：YLB1Antenna AntennaType：PCB TestDate：2022.01.11 Testedby：FangbingZhong Approvedby：Licco Content 1.GeneralDescription.................................................................................1 2.TestConfigurations...................................................................................2 2.1TestEnvironment............................................................................2 2.2TestEquipment...............................................................................2 2.3TestPrinciple...................................................................................2 3.TestResults..............................................................................................3 3.1GainandEfficiency..........................................................................3 3.2RadiationPattern............................................................................4 4.AntennaDimensions................................................................................6 5.EUTPhoto................................................................................................6 6.TestSetupPhoto......................................................................................7 1 1.GeneralDescription ManufacturerHangzhouTuyaInformationTechnologyCo.,Ltd Address Room701,Building3,MoreCenter,No.87GuDunRoad, Hangzhou,Zhejiang,China TestLocation Room106,Building3,LetongSciencePark,No.500, QiuyiRoad,BinjiangDistrict,Hangzhou ProductNameYLB1Antenna Productmodel YLB1 AntennaType PCBAntenna TestItems Gain;Efficiency;RadiationPattern TestFrequency 2400-2500MHz TestStandard ANSI/IEEEStd149-1979 2 2.TestConfigurations 2.1TestEnvironment Temperature(°C)25 Humidity(%RH)60 AtmosphericPressure(kPa)100.5 2.2TestEquipment TestSystemTEM24Multi-probeMicrowaveChamber TestInstrumentAgilentE5071B 2.3TestPrinciple 3 3.TestResults 3.1GainandEfficiency Frequency(MHz)PeakGain(dBi)Efficiency(%) 2400-0.2335.08 2410-0.0136.56 2420-0.135.56 24300.0236.56 24400.236.98 2450-0.0535.56 24600.0435.16 24700.1735.16 24800.1335.81 24900.1534.75 2500-0.3132.28 4 3.2RadiationPattern Phi02D Phi902D Theta902D 5 2400MHz3D 2450MHz3D 2500MHz3D 6 4.AntennaDimensions 5.EUTPhoto 7 6.TestSetupPhoto

Report Number: 68.950.23.0580.01 EMC_SZ_FR_86.00 FCC BLE Release 2024-04-15 TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch Building 12 & 13, Zhiheng Wisdomland Business Park, Guankou Erlu, Nantou, Nanshan District, Shenzhen, Guangdong, China Tel. +86 755 8828 6998, Fax: +86 755 8828 5299 Page 1 of 31 FCC - TEST REPORT Report Number : 68.950.23.0580.01 Date of Issue: 2024-05-17 Model : DTX10, DT10, DT10-B, DT10-B3, DT10-U, DT20, DT20-B, DT30, DT40, DT50, DT60, DT70, DT80, DT90, DT100, D110, D110S, DT11, LTM2M, LTM2X, XTape 1, XTape 2, XTape 3, XTape 4, XTape 5, XTape 6 Product Type : Laser Distance Meter Applicant : Shenzhen Mileseey Technology Co., Ltd. Address : No.3601 Block A, Tanglang Town Plaza West, Fuguang Community, Taoyuan Street, Nanshan District, 518500 Shenzhen, PEOPLE'S REPUBLIC OF CHINA Manufacturer : Shenzhen Mileseey Technology Co., Ltd. Address : No.3601 Block A, Tanglang Town Plaza West, Fuguang Community, Taoyuan Street, Nanshan District, 518500 Shenzhen, PEOPLE'S REPUBLIC OF CHINA Test Result : ◼ Positive  Negative Total pages including Appendices : 31 Any use for advertising purposes must be granted in writing. This technical report may only be quoted in full. This report is the result of a single examination of the object in question and is not generally applicable evaluation of the quality of other products in regular production. For further details, please see testing and certification regulation chapter A-3.4. Report Number: 68.950.23.0580.01 EMC_SZ_FR_86.00 FCC BLE Release 2024-04-15 TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch Building 12 & 13, Zhiheng Wisdomland Business Park, Guankou Erlu, Nantou, Nanshan District, Shenzhen, Guangdong, China Tel. +86 755 8828 6998, Fax: +86 755 8828 5299 Page 2 of 31 1 Table of Contents 1 Table of Contents ...................................................................................................................................................2 2 Details about the Test Laboratory ..........................................................................................................................3 3 Description of the Equipment Under Test ..............................................................................................................4 4 Summary of Test Standards ..................................................................................................................................5 5 Summary of Test Results .......................................................................................................................................6 6 General Remarks ...................................................................................................................................................7 7 Test Setups ............................................................................................................................................................8 7.1 Radiated test setups .......................................................................................................................................8 7.2 Conducted RF test setups ..............................................................................................................................8 8 Systems test configuration .....................................................................................................................................9 9 Technical Requirement ....................................................................................................................................... 10 9.1 Conducted Output Power ............................................................................................................................ 10 9.2 6 dB Bandwidth ............................................................................................................................................ 12 9.3 Power spectral density ................................................................................................................................. 14 9.4 Spurious RF conducted emissions .............................................................................................................. 16 9.5 Band edge testing ........................................................................................................................................ 21 9.6 Spurious radiated emissions for transmitter ................................................................................................ 23 10 Test Equipment List ......................................................................................................................................... 30 11 System Measurement Uncertainty .................................................................................................................. 31 Report Number: 68.950.23.0580.01 EMC_SZ_FR_86.00 FCC BLE Release 2024-04-15 TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch Building 12 & 13, Zhiheng Wisdomland Business Park, Guankou Erlu, Nantou, Nanshan District, Shenzhen, Guangdong, China Tel. +86 755 8828 6998, Fax: +86 755 8828 5299 Page 3 of 31 2 Details about the Test Laboratory Details about the Test Laboratory Test Site 1 Company name: TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch Building 12 & 13, Zhiheng Wisdomland Business Park, Guankou Erlu, Nantou, Nanshan District, Shenzhen, Guangdong, China Telephone: 86 755 8828 6998 Fax: 86 755 8828 5299 FCC Registration No.: 514049 FCC Designation Number: CN5009 Report Number: 68.950.23.0580.01 EMC_SZ_FR_86.00 FCC BLE Release 2024-04-15 TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch Building 12 & 13, Zhiheng Wisdomland Business Park, Guankou Erlu, Nantou, Nanshan District, Shenzhen, Guangdong, China Tel. +86 755 8828 6998, Fax: +86 755 8828 5299 Page 4 of 31 3 Description of the Equipment Under Test Product: Laser Distance Meter Model No.: DTX10, DT…

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