2AVJP-DS55SCWLED LAMP

LED LAMP LED LAMP

Reference N Waltek Tes http://www EXHIBI EUT View 1 EUT View 2 No.: WTX20X sting Group w.semtest.co T 2 - EUT 1 2 X06035452W (Shenzhen) m.cn T EXTER W Co., Ltd. RNAL PH HOTOGR APHS Reference N Waltek Tes http://www Model: DS G EUT View 1 EUT View 2 No.: WTX20X sting Group w.semtest.co G25-AD5.5S 1 2 X06035452W (Shenzhen) m.cn E26 WIFIT W Co., Ltd. TYCW / DSG G25-AD5.5S E E26 WIFITY YW Reference N Waltek Tes http://www EUT View 3 EUT View 4 No.: WTX20X sting Group w.semtest.co 3 4 X06035452W (Shenzhen) m.cn W Co., Ltd. Reference N Waltek Tes http://www EUT View 5 EUT View 6 No.: WTX20X sting Group w.semtest.co 5 6 X06035452W (Shenzhen) m.cn W Co., Ltd. Reference N Waltek Tes http://www Model: DS A EUT View 1 EUT View 2 No.: WTX20X sting Group w.semtest.co A19-AD5.5S 1 2 X06035452W (Shenzhen) m.cn E26 WIFIT W Co., Ltd. YCW / DSA A19-AD5.5S E E26 WIFITY YW Reference N Waltek Tes http://www EUT View 3 EUT View 4 No.: WTX20X sting Group w.semtest.co 3 4 X06035452W (Shenzhen) m.cn W Co., Ltd. Reference N Waltek Tes http://www EUT View 5 EUT View 6 No.: WTX20X sting Group w.semtest.co 5 6 X06035452W (Shenzhen) m.cn W Co., Ltd. Reference N Waltek Tes http://www Model: DS S DSS EUT View 1 EUT View 2 No.: WTX20X sting Group w.semtest.co ST19-AD5.5S T19-AD5.5S 1 2 X06035452W (Shenzhen) m.cn S E26 WIFIT S E26 WIFIT W Co., Ltd. TYCW/ DSS TYW ST21-AD5.5S S E26 WIFIT TYW/ Reference N Waltek Tes http://www Model: DS S EUT View 1 EUT View 2 No.: WTX20X sting Group w.semtest.co ST19-AD5.5S 1 2 X06035452W (Shenzhen) m.cn S E26 WIFIT W Co., Ltd. TYCW/ DSS ST19-AD5.5S S E26 WIFIT TYW Reference N Waltek Tes http://www EUT View 3 EUT View 4 No.: WTX20X sting Group w.semtest.co 3 4 X06035452W (Shenzhen) m.cn W Co., Ltd. Reference N Waltek Tes http://www EUT View 5 EUT View 6 No.: WTX20X sting Group w.semtest.co 5 6 X06035452W (Shenzhen) m.cn W Co., Ltd. Reference N Waltek Tes http://www Model: DS S EUT View 1 EUT View 2 No.: WTX20X sting Group w.semtest.co ST21-AD5.5S 1 2 X06035452W (Shenzhen) m.cn S E26 WIFIT W Co., Ltd. TYW Reference N Waltek Tes http://www EUT View 3 EUT View 4 No.: WTX20X sting Group w.semtest.co 3 4 X06035452W (Shenzhen) m.cn W Co., Ltd. Reference N Waltek Tes http://www EUT View 5 EUT View 6 No.: WTX20X sting Group w.semtest.co 5 6 X06035452W (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.: WTX20X sting Group w.semtest.co T 1 - PRO FCC ID La ns: The label or easily acc emain fully l etime. Label Loca X06035452W (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 permane 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 Solder Boa r No.: WTX20X sting Group w.semtest.co T 3 - EUT ng and Boar rd-Compone X06035452W (Shenzhen) m.cn T INTER rd View 1 ent View 1 W Co., Ltd. NAL PHO OTOGRA APHS Reference N Waltek Tes http://www Solder Boa r Solder Boa r No.: WTX20X sting Group w.semtest.co rd-Compone rd-Compone X06035452W (Shenzhen) m.cn ent View 2 ent View 3 W Co., Ltd. Reference N Waltek Tes http://www Solder Boa r Solder Boa r No.: WTX20X sting Group w.semtest.co rd-Compone rd-Compone X06035452W (Shenzhen) m.cn ent View 4 ent View 5 W Co., Ltd. Reference N Waltek Tes http://www Solder Boa r Antenna V i No.: WTX20X sting Group w.semtest.co rd-Compone iew WIFI An X06035452W (Shenzhen) m.cn ent View 6 ntenna W Co., Ltd.

1. MAXIMUM PERMISSIBLE EXPOSURE (MPE) 1.1 General Information Client Information Applicant: Hangzhou Sky-Lighting CO., Ltd. Address of applicant: No.161 North Star-Bridge Road. Linping. Hangzhou. Zhejiang. 311100 China Manufacturer: Hangzhou Sky-Lighting CO., Ltd. Address of manufacturer: No.161 North Star-Bridge Road. Linping. Hangzhou. Zhejiang. 311100 China General Description of EUT: Product Name: LED LAMP Trade Name: SKYING Model No.: DSG25-AD5.5S E26 WIFITYCW Adding Model(s): DSA19-AD5.5S E26 WIFITYCW, DSST19-AD5.5S E26 WIFITYCW, DSST19-AD5.5S E26 WIFITYW, DSST21-AD5.5S E26 WIFITYW, DSA19-AD5.5S E26 WIFITYW, DSG25-AD5.5S E26 WIFITYW FCC ID: 2AVJP-DS55SCW Rated Voltage: AC 120V /60Hz Technical Characteristics of EUT: Support Standards: 802.11b, 802.11g, 802.11n Frequency Range: 2412-2462MHz for 802.11b/g/n-HT20 RF Output Power: 17.52dBm (Conducted) Type of Modulation: DBPSK,BPSK,DQPSK,QPSK,16QAM,64QAM Data Rate: 1-11Mbps, 6-54Mbps, up to 72.2Mbps Quantity of Channels: 11 for 802.11b/g/n-HT20 Channel Separation: 5MHz Type of Antenna: Integral Antenna Antenna Gain: 1dBi 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: 18(dBm) Maximum peak output power at antenna input terminal: 63.10(mW) Prediction distance: >20(cm) Prediction frequency: 2462 (MHz) Antenna gain: 1.0(dBi) Directional gain (numeric gain): 1.26 The worst case is power density at prediction frequency at 20cm: 0.0158(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 63 TEST REPORT Reference No. .................... : WTX20X06035452W FCC ID ................................ : 2AVJP-DS55SCW Applicant ........................... : Hangzhou Sky-Lighting CO., Ltd. Address ............................. : No.161 North Star-Bridge Road. Linping. Hangzhou. Zhejiang. 311100 China Product Name ................... : LED LAMP Test Model. ........................ : DSG25-AD5.5S E26 WIFITYCW Standards .......................... : FCC Part 15.247 Date of Receipt sample .... : Jun.09, 2020 Date of Test........................ : Jun.09, 2020 to Jun.29, 2020 Date of Issue ..................... : Jun.29, 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: Jack Huang / Project Engineer Lion Cai / RF Manager Silin Chen / Manager Reference No.: WTX20X06035452W Page 2 of 63 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 TEST FACILITY ....................................................................................................................................................... 5 1.5 EUT SETUP AND TEST MODE ................................................................................................................................. 6 1.6 MEASUREMENT UNCERTAINTY .............................................................................................................................. 7 1.7 TEST EQUIPMENT LIST AND DETAILS ..................................................................................................................... 8 2. SUMMARY OF TEST RESULTS ......................................................................................................................... 10 3. RF EXPOSURE ....................................................................................................................................................... 11 3.1 STANDARD APPLICABLE ....................................................................................................................................... 11 3.2 TEST RESULT........................................................................................................................................................ 11 4. ANTENNA REQUIREMENT ................................................................................................................................ 12 4.1 STANDARD APPLICABLE ....................................................................................................................................... 12 4.2 EVALUATION INFORMATION ................................................................................................................................ 12 5. POWER SPECTRAL DENSITY ........................................................................................................................... 13 5.1 STANDARD APPLICABLE ....................................................................................................................................... 13 5.2 TEST SETUP BLOCK DIAGRAM ............................................................................................................................. 13 5.3 TEST PROCEDURE ................................................................................................................................................. 13 5.4 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 13 6. DTS BANDWIDTH ................................................................................................................................................. 18 6.1 STANDARD APPLICABLE ....................................................................................................................................... 18 6.2 TEST SETUP BLOCK DIAGRAM ............................................................................................................................. 18 6.3 TEST PROCEDURE ................................................................................................................................................. 18 6.4 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 18 7. RF OUTPUT POWER ............................................................................................................................................ 23 7.1 STANDARD APPLICABLE ....................................................................................................................................... 23 7.2 TEST SETUP BLOCK DIAGRAM ........................................................................................…

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