2AW74-AERIO-360Air Purifier

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Reference N Waltek Tes http://www EXHIBI EUT View 1 EUT View 2 No.: WTN20X sting Group w.semtest.co T 2 - EUT 1 2 X08051826W (Shenzhen) m.cn T EXTER W Co., Ltd. RNAL PH HOTOGR APHS Reference N Waltek Tes http://www EUT View 3 EUT View 4 No.: WTN20X sting Group w.semtest.co 3 4 X08051826W (Shenzhen) m.cn W Co., Ltd. Reference N Waltek Tes http://www EUT View 5 EUT View 6 No.: WTN20X sting Group w.semtest.co 5 6 X08051826W (Shenzhen) m.cn W Co., Ltd.

Reference N Waltek Tes http://www EXHIBI Proposed Specificatio n it is visible durable to r expected lif e Proposed No.: WTN20X sting Group w.semtest.co T 1 - PRO FCC ID La ns: The label or easily acc emain fully l etime. Label Loca X08051826W (Shenzhen) m.cn ODUCT L abel Forma shall be secu cessible to th legible and in ation on EU W Co., Ltd. LABELIN at urely affixed t he user, and ntact on the UT FCC NG to a perman e shall not be device in al l ID Label Lo ently attached readily detac l normal cond cation d part of the d chable. The l ditions of use device, in a lo label shall be e throughout ocation where e sufficiently t the device’s e y s

Reference N Waltek Tes http://www EXHIBI EUT Housi n EUT Housi n No.: WTN20X sting Group w.semtest.co T 3 - EUT ng and Boar ng and Boar X08051826W (Shenzhen) m.cn T INTER rd View 1 rd View 2 W Co., Ltd. NAL PHO OTOGRA APHS Reference N Waltek Tes http://www EUT Housi n EUT Housin No.: WTN20X sting Group w.semtest.co ng and Boar ng and Boar X08051826W (Shenzhen) m.cn rd View 3 rd View 4 W Co., Ltd. Reference N Waltek Tes http://www EUT Housi n Solder Boar No.: WTN20X sting Group w.semtest.co ng and Boar rd-Compone X08051826W (Shenzhen) m.cn rd View 5 ent View 1 W Co., Ltd. Reference N Waltek Tes http://www Solder Boa r Solder Boar No.: WTN20X sting Group w.semtest.co rd-Compone rd-Compone X08051826W (Shenzhen) m.cn ent View 2 ent View 3 W Co., Ltd. Reference N Waltek Tes http://www Solder Boa r Solder Boar No.: WTN20X sting Group w.semtest.co rd-Compone rd-Compone X08051826W (Shenzhen) m.cn ent View 4 ent View 5 W Co., Ltd.

Reference N Waltek Tes http://www Solder Boa r Solder Boar No.: WTN20X sting Group w.semtest.co rd-Compone rd-Compone X08051826W (Shenzhen) m.cn ent View 6 ent View 7 W Co., Ltd. Reference N Waltek Tes http://www Solder Boa r Solder Boar No.: WTN20X sting Group w.semtest.co rd-Compone rd-Compone X08051826W (Shenzhen) m.cn ent View 8 ent View 9 W Co., Ltd. Reference N Waltek Tes http://www Solder Boa r Solder Boar No.: WTN20X sting Group w.semtest.co rd-Compone rd-Compone X08051826W (Shenzhen) m.cn ent View 10 ent View 11 W Co., Ltd. Reference N Waltek Tes http://www Solder Boa r Antenna V i No.: WTN20X sting Group w.semtest.co rd-Compone iew X08051826W (Shenzhen) m.cn ent View 12 W Co., Ltd. Wi -FiAntenna

1. MAXIMUM PERMISSIBLE EXPOSURE (MPE) Client Information Applicant: Hong Kong Yunting Trading Co., Limited Address of applicant: Unit D, 16/F, One Capital Place, 18 Luard Road, Wan Chai, Hong Kong Manufacturer: Qingdao Londs Environmental Technology Co.,Ltd Address of manufacturer: Eastward 100 meters of Dongwangtuan Community Chengyang District ,Qingdao,266109 ,China General Description of EUT Product Name: Air Purifier Trade Name: / Model No.: Aerio-360 Adding Model(s): / Rated Voltage: 100-120V~ 60Hz Power adapter / Software Version: A Hardware Version: A FCC ID: 2AW74-AERIO-360 Note: The test data is gathered from a production sample provided by the manufacturer. Technical Characteristics of EUT Support Standards: 802.11a, 802.11n(HT20) , 802.11n-HT40 Frequency Range: 5150-5250MHz, 5725-5850MHz RF Output Power: 13.63dBm (Conducted) Type of Modulation: BPSK, QPSK,16QAM,64QAM, 256QAM Data Rate: 6-54Mbps, up to 150Mbps Type of Antenna: PCB Antenna Antenna Gain: 2dBi 1.2 Standard Applicable According to §1.1307(b)(1) and KDB 447498 D01 General RF Exposure Guidance v06, system operating under the provisions of this section shall be operating in a manner that the public is not exposed to radio frequency energy level in excess limit for maximum permissible exposure. (a) Limits for Occupational / Controlled Exposure Frequency range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/cm 2 ) Averaging Times | E | 2 , | H | 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842/f 4.89/f (900/f)* 6 30-300 61.4 0.163 1.0 6 300-1500 / / F/300 6 1500-100000 / / 5 6 (b) Limits for General Population / Uncontrolled Exposure Frequency range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/cm 2 ) Averaging Times | E | 2 , | H | 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 / / F/1500 30 1500-100000 / / 1 30 Note: f = frequency in MHz: * = Plane-wave equivalents power density 1.3 MPE Calculation Method S = (30*P*G) / (377*R 2 ) S = power density (in appropriate units, e.g., mw/cm 2 ) P = power input to the antenna (in appropriate units, e.g., mw) G = power gain of the antenna in the direction of interest relative to an isotropic radiator, the power gain factor is normally numeric gain. R = distance to the center of radiation of the antenna (in appropriate units, e.g., cm) 1.4 MPE Calculation Result Maximum Tune-Up output power: 14(dBm) Maximum peak output power at antenna input terminal: 25.12(mW) Prediction distance: >20(cm) Prediction frequency: 5825(MHz) Antenna gain: 2 (dBi) Directional gain (numeric gain): 1.58 The worst case is power density at prediction frequency at 20cm: 0.0079 (mw/cm 2 ) MPE limit for general population exposure at prediction frequency: 1 (mw/cm 2 ) Result: Pass

Waltek Testing Group (Shenzhen) Co., Ltd. http://www.semtest.com.cn Page 1 of 75 TEST REPORT Reference No. .................... : WTN20X08051826W FCC ID ................................ : 2AW74-AERIO-360 Applicant ........................... : Hong Kong Yunting Trading Co., Limited Address ............................. : Unit D, 16/F, One Capital Place, 18 Luard Road, Wan Chai, Hong Kong Product Name ................... : Air Purifier Test Model. ........................ : Aerio-360 Standards .......................... : FCC Part 15.407 Date of Receipt sample .... : Aug.03, 2020 Date of Test........................ : Aug.03, 2020 to Aug.26, 2020 Date of Issue ..................... : Aug.26, 2020 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 Tel.: +86-755-33663308 Fax.: +86-755-33663309 Tested by: Reviewed By: Approved & Authorized By: Jason Su / Project Engineer Lion Cai / RF Manager Silin Chen / Manager Reference No.: WTN20X08051826W Page 2 of 75 Waltek Testing Group (Shenzhen) Co., Ltd. http://www.semtest.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 TABLE FOR PARAMETERS OF TEST SOFTWARE SETTING ......................................................................................... 5 1.5 EUT OPERATING DURING TEST .............................................................................................................................. 6 1.6 TEST FACILITY ....................................................................................................................................................... 6 1.7 EUT SETUP AND TEST MODE ................................................................................................................................. 7 1.8 MEASUREMENT UNCERTAINTY .............................................................................................................................. 8 1.9 TEST EQUIPMENT LIST AND DETAILS ..................................................................................................................... 9 2. SUMMARY OF TEST RESULTS ......................................................................................................................... 11 3. RF EXPOSURE ....................................................................................................................................................... 12 3.1 STANDARD APPLICABLE ....................................................................................................................................... 12 3.2 TEST RESULT........................................................................................................................................................ 12 4. ANTENNA REQUIREMENT ................................................................................................................................ 13 4.1 STANDARD APPLICABLE ....................................................................................................................................... 13 4.2 EVALUATION INFORMATION ................................................................................................................................ 13 5. AUTOMATICALLY DISCONTINUE TRANSMISSION .................................................................................. 14 5.1 STANDARD APPLICABLE ....................................................................................................................................... 14 5.2 SUMMARY OF TEST RESULTS ............................................................................................................................... 14 6. CONDUCTED EMISSIONS .................................................................................................................................. 15 6.1 TEST PROCEDURE ................................................................................................................................................. 15 6.2 BASIC TEST SETUP BLOCK DIAGRAM ................................................................................................................... 15 6.3 TEST RECEIVER SETUP ......................................................................................................................................... 15 6.4 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 15 7. POWER SPECTRAL DENSITY ........................................................................................................................... 18 7.1 STANDARD APPLICABLE ....................................................................................................................................... 18 7.2 TEST PROCEDURE ................................................................................................................................................. 18 7.3 SUMMARY OF TEST RESUL…

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