FCC ID: 2A3SYHHM001 Humidifier

Humidier Model: DR-HHM001S AC IN: 120V~60HZ Power: 26W FCC ID:2A3SYHHM001 Date Code: 2023/05 3136487 UL STD.998 FCC COMPLIANCE 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. MADE IN CHINA Manufactured for Shenzhen Hesung Innovation Technology Co., LTD

Hesung Innovation Limited is allowed to forward all information related to the approval ey and to the notification entities and to discuss any issues Page | of |

SPECIFICATION SPECIFICATION SHEET FOR APPROVAL RevisionRA0 CS CUSTOMER() P/N() NAME() PART FREQUENCY() NO.() ZTX DATE() Hesung 4L Humidifier WIFI antenna 2400~2500MHz 2.00006109 2023-04-14 CUSTOMER QA ME RF CHECKED CHECKED CHECKED MANAGER CHECKED Remark Sign Shenzhen ZTX Communication Technology Co., Ltd MANAGER CHECKED MANAGER CHECKED ME RF CHECKED CHECKED LISTER

ANTENNA SPECIFICATION Revision history Version Date Record A0 2023-04-14 first edition

D a t e D

ANTENNA SPECIFICATION Index Revision history lndex Mechanical 1-1 Mechanical Specification Specification Surmmary 3-1 3-2 3-3 3-4 3-5 equipment Results Test Test Test OTA VSWR No-source Environment 2D/3D Environment packing The test Radiation data treatment Pattern Characteristic way Results 1 2 3 4 5 1 2 3 3 4 5 5 5 5 6 6 7 8

ANTENNA SPECIFICATION Specification ConfigurationWIFI antenna 1. Mechanical 1-1 Mechanical

ANTENNA SPECIFICATION 2. Test equipment

ANTENNA SPECIFICATION Surmmary Results OTA Test 3.Test 3-1 3-2 VSWR 3-3 No-source test data

ANTENNA SPECIFICATION 3-4 Environment treatment 3-5 2D/3D Radiation Pattern Results

ANTENNA SPECIFICATION 4.Environment Characteristic NO. ITEM TEST CONDITION SPECIFICATION 4-1 High Temperature/Humidity 1.Temperature: +70 2 No material deformation is Storage Test(non operating) 2.Humidity: 90~95%RH allowed. 3.Time: 48hrs 4-2 Low Temperature/Humidity 1.Temperature: -302 The VSWR, Gain, Radiation Storage Test(non operating) 2.Humidity: 0%RH Pattern must be met 3.Time:48hrs specifications after these test.

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mation Letter ite f. i Pe Ws 4 mponents used and internal wiring are identical, 4 vA Fi : : VA ae signature Berm

, Date:2023-7-10

Hesung Innovation Limited Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: July 11, 2023 Subject; Request for Confidentiality FCC ID: 2A3SYHHMO01 To Whom It May Concern, Pursuant to the provisions of the Commissions 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 XX] Block Diagram XX] 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) L_] External Photos _] Test Setup Photos L_] Internal Photos

[_] User Manual

[_] For 45 days, pursuant to Public Notice DA 04-1705. OR :

(_] For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and m _ correspondence during the certification review process cannot be granted as confidential ae documents and this information will be available for public review once the grant of equipment

~ authorization is issued. Sincerely, Signature:

i Le Name:Bera Yang Bern [ a Title: Poject Manager Ss