2BAAL-DML0312Wireless remote control

Matching transmitter: 1 . Disconnect the power supply of the receiver and replace the battery on the transmitter. 2. Press and hold the "Stop" and " Down" key at the same time, and the red/green lights flash alternately (don't let go). 3. Power on the receiver, complete. Matching receiver: 1 . Disconnect the power supply of the receiver and replace the battery on the transmitter. 2 . Press and hold the "Stop" and "Up" "keys at the same time, and the red light flash quickly (don't let go).". 3. Power on the receiver, complete. —————————————————————————————————— NOTE: This equipment has been te sted and fo und 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 reasonabl e protection against harmful interference in a res idential installation. Thi s equipment generates , us es and can ra di ate ra di o 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 particul ar installation. If thi s equipment does cause harmful interference to radio or television reception , whi ch can be determined by turning the e quipment off and on , the user is encouraged to try to correct the interference by one or more of the following measures: —R eorient or relocate the receiv ing antenna. —Incr ease the separation between the equipment and receiver. —Connect the equipment in to an outlet on a circuit di fferent from that to whi ch the receiver is connected. —Consult the dealer or an experienced ra dio/TV technici an for help. Warning: Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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.

Daimler(Hebei) Hoisting Machinery Manufacturing Co., Ltd Covered Equipment Certification Attestation Letter 3/20/2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2BAAL-DML0312 Daimler(Hebei) Hoisting Machinery Manufacturing Co., Ltd 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. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not “covered” equipment. Daimler(Hebei) Hoisting Machinery Manufacturing Co., Ltd certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Signed: Printed name: yi Li Title: Technical manager Company Name: Daimler(Hebei) Hoisting Machinery Manufacturing Co., Ltd Date: 3/20/2023

* the applicant must designate a contact located in the United States for purposes of acting as the applicant’s agent for service of process, regardless of whether the applicant is a domestic or foreign entity. An applicant located in the United States may designate itself as the agent for service of process. Daimler(Hebei) Hoisting Machinery Manufacturing Co., Ltd U.S. Agent Designation for Service of Process - Certification Attestation Letter 3/20/2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2BAAL-DML0312 Per section 2.911(d)(7) of the FCC rules, Daimler(Hebei) Hoisting Machinery Manufacturing Co., Ltd certifies that the equipment for which authorization is sought is designated to the following U.S. agent* for service of process: Company Name: Baihetian Innovative Solutions Physical U.S. Company Address: 6837 Chase Rd, Dearborn, MI 48126, USA Contact Person: Kenneth Young Agent Email Address: [email protected] FRN: 0033401605 The above contac t person accepts the obligation for service of process. The applicant accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Applicant Signed: Signed: Printed name: yi Li Title: Technical manager Company Name: Daimler(Hebei) Hoisting Machinery Manufacturing Co., Ltd Date: 3/20/2023 Agent Signed (if different to Applicant): Signed: Printed name: Kenneth Young Title: Manager Company Name: Baihetian Innovative Solutions Date: 3/20/2023

Differences Declaration To whom concern, We company Daimler(Hebei) Hoisting Machinery Manufacturing Co., Ltd ereby declares: The product models YT440-1, YX440-1, YX880-1, YX1320-1, YX1760-1, YX2200-1, WX440-1, WX880-1, WX1320-1, WX2200-1, YX550-2, YX1320-2, YX2200-2, WX550-2, WX880-2, WX1320-2, WX1760-2, WX2200-2, WX4400LBS-2, WX2200LBS-2, WX1100LBS-2, 330LBS, 1100LBS, 2200LBS, 2200LBS, 550LBS, 660LBS, 880LBS, 1320LBS, 1760LBS, 440LBS, PA200, PA250, PA300, PA400, PA500, PA600, PA800, PA900, PA1000, PA1200, 0.3T, 0.5T, 1T, 2T, 3T, 5T, 10T, 7.5T, 15T, 20T, 25T, 30T, 35T, 50T, 75T are identical in the same PCB layout, interior structure and electrical circuits, The differences are appearance color and model name for commercial purpose. Authorized signature: Name: yi Li Date:2023-03-20

Daimler(Hebei) Hoisting Machinery Manufacturing Co., Ltd DATE : 2023-03-20 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2BAAK-DML0312 Product Name: Wireless remote control Request for Confidentiality To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Operational Description In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuantto KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Signature: Name: yi Li Title: Technical manager Company: Daimler(Hebei) Hoisting Machinery Manufacturing Co., Ltd

Test Model No.: YT440‐1

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Test Model No.: YT440‐1

FCC ID: 2BAAL-DML0312 RF Exposure evaluation According to 447498 D04 Interim General RF Exposure Guidance v01 eirp = pt x gt = (EXd) 2 /30 where: pt = transmitter output power in watts, gt = numeric gain of the transmitting antenna (unitless), E = electric field strength in V/m, --- 10 ((dBuV/m)/20) /10 6 d = measurement distance in meters (m)---3m Sopt = (EXd) 2 /30 x gt Frequency(MHz) Field Strength (dBuv/m) antenna gain(dBi) numeric gain calc. Pt (mW) erp(mW) limit (mW) min. distance (cm) 868.3 87.58 2.5 1.778 0.097 0.1 8.74 0.50 WORSE CASE ERP 0.1mW< Pth 8.74mW Then SAR evaluation is not required

Shenzhen Xinlisheng Metal Electronics Co., Ltd XLS-THGSM-ANT-0122 Product Specification 1.Brief introduction XLS-THGSM-ANT-0122 is a copper spring antenna. 2.Parameter frequency 850--2100 MHz size 24 mm gain 2.5 dBi wire diameter 0.8 mm SWR <=1.5 material copper radiation direction omnidirection connect solder input impedance 50 Ohm work temperature -40--+60 °C power capacity 20 W storage temperature -40--+60 °C 3.Product diagram and size

Global United Technology Services Co., Ltd. Report No.: GTS2023020245F01 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 20 TEST REPORT Applicant: Daimler(Hebei) Hoisting Machinery Manufacturing Co., Ltd Address of Applicant: Donglv Industrial Park,Qingyuan District,Baoding,Hebei,China Manufacturer/Factory: Daimler(Hebei) Hoisting Machinery Manufacturing Co., Ltd Address of Manufacturer/Factory: Donglv Industrial Park,Qingyuan District,Baoding,Hebei,China Equipment Under Test (EUT) Product Name: Wireless remote control Model No.: YT440-1, YX440-1, YX880-1, YX1320-1, YX1760-1, YX2200-1, WX440-1, WX880-1, WX1320-1, WX2200-1, YX550-2, YX1320-2, YX2200-2, WX550-2, WX880-2, WX1320-2, WX1760-2, WX2200-2, WX4400LBS-2, WX2200LBS-2, WX1100LBS-2, 330LBS, 1100LBS, 2200LBS, 2200LBS, 550LBS, 660LBS, 880LBS, 1320LBS, 1760LBS, 440LBS, PA200, PA250, PA300, PA400, PA500, PA600, PA800, PA900, PA1000, PA1200, 0.3T, 0.5T, 1T, 2T, 3T, 5T, 10T, 7.5T, 15T, 20T, 25T, 30T, 35T, 50T, 75T FCC ID: 2BAAL-DML0312 Applicable standards: FCC CFR Title 47 Part 15 Subpart C Section 15.231 Date of sample receipt: February 20, 2023 Date of Test: February 21, 2023-March 20, 2023 Date of report issued: March 20, 2023 Test Result : PASS * * In the configuration tested, the EUT complied with the standards specified above. Report No.: GTS2023020245F01 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 20 2 Version Version No. Date Description 01 March 20, 2023 Original Prepared By: Date: March 20, 2023 Project Engineer Check By: Date: March 20, 2023 Reviewer Report No.: GTS2023020245F01 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 20 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 ........................................................................................................................................ 6 5.3 DESCRIPTION OF SUPPORT UNITS ....................................................................................................... 6 5.4 TEST FACILITY .................................................................................................................................... 6 5.5 TEST LOCATION ................................................................................................................................. 6 5.6 OTHER INFORMATION REQUESTED BY THE CUSTOMER ......................................................................... 6 5.7 ADDITIONAL INSTRUCTIONS ................................................................................................................. 6 6 TEST INSTRUMENTS LIST ..................................................................................................................... 7 7 TEST RESULTS AND MEASUREMENT DATA ...................................................................................... 9 7.1 ANTENNA REQUIREMENT ..................................................................................................................... 9 7.2 RADIATED EMISSION METHOD ........................................................................................................... 10 7.2.1 Field Strength of The Fundamental Signal ................................................................................ 12 7.2.2 Spurious Emissions ................................................................................................................... 14 7.3 20DB OCCUPY BANDWIDTH .............................................................................................................. 18 7.4 DEACTIVATION TESTING .................................................................................................................... 19 8 TEST SETUP PHOTO ............................................................................................................................ 20 9 EUT CONSTRUCTIONAL DETAILS ..................................................................................................... 20 Report No.: GTS2023020245F01 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 20 4 Test Summary Test Item Section in CFR 47 Result …

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Test Model No.: YT440‐1 Radiated Emission