2ATJW-43EXYD031VIDEO BABY MONITOR

FCC WARNING This device complies with part 15 of the FCC Rules. Operation is subject to the follow ing two conditions : (1) this device may not cause harmful interference, and (2) this device must accept any interference received, inc luding interference that may cause undesired operation. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: This equipment has been tested and found 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 reasonable protection against harmful interference in a residentia l installation. This equipment generates, uses and can radiate radio 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 particular installation. If this equipment does cause harmful interference to radio or televis ion reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. -- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -- Consult the dealer or an experienced radio/TV technic ian for help. To maintain compliance with FCC’s RF Exposure guidelines, This equipment should be insta lled and operated with minimum distance between 20cm the radiator your body: Use only the supplied antenna.

C5266091_X8_Ed.1 1/1 Letter of Authorization <Shenzhen DayunLinks Co., Ltd> Company:Shenzhen DayunLinks Co., Ltd Address: 30th Park West Zhangbei Yuanhu Road Longcheng Street Longgang District, Shenzhen City. GuangDong Province, 518000 China Product Name:VIDEO BABY MONITOR Model Number:BM-43EXYD031 FCC Identifier:2ATJW-43EXYD031 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Henry Zhang Date: 2021-06-30 Title: N/A Signature of applicant:

C5266091_X10_Ed.1 1/1 <Shenzhen DayunLinks Co., Ltd> Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2021-06-30 Subject: Request for Confidentiality FCC ID:2ATJW-43EXYD031 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Confidentiality Short-Term Confidentiality ID Label/Location No No Attestation Statement No No External Photos No Block Diagram Schematics Test Report No No Test Setup Photos No User’s Manual Internal Photos Parts List / Tune Up RF Exposure Info Operational Description Cover Letter(s) No No SDR Software / Security Info No Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Henry Zhang Title: N/A

EUT PHOTO(External Photos) WIFI ANT

Label and label location VIDEO BABY MONITOR FCC ID:2ATJW-43EXYD031

EUT PHOTO(Internal Photos) RF chipset ※※※※※ ※※※※※ END OF REPORT Antenna

FCC ID:2ATJW-43EXYD031 RF Exposure Evaluation Limits The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in 1.1307(b) Limits for Maximum Permissible Exposure (MPE) Frequency range (MHz) Electric field strength (V/m) Magnetic field strength (A/m) Power density (mW/cm 2 ) Averaging time (minutes) (A) Limits for Occupational/Controlled Exposures 0.3–3.0 614 1.63 *(100) 6 3.0–30 1842/f 4.89/f *(900/f 2 ) 6 30–300 61.4 0.163 1.0 6 300–1500 f/300 6 1500–100,000 5 6 (B) Limits for General Population/Uncontrolled Exposure 0.3–1.34 614 1.63 *(100) 30 1.34–30 824/f 2.19/f *(180/f 2 ) 30 30–300 27.5 0.073 0.2 30 300–1500 f/1500 30 1500–100,000 1.0 30 f = frequency in MHz Friis transmission formula: Pd = (Pout*G)/(4*pi*r 2 ) Where Pd = power density in mW/cm 2 , Pout = output power to antenna in mW; G = gain of antenna in linear scale, Pi = 3.1416; R = distance between observation point and center of the radiator in cm Pd id the limit of MPE, 1 mW/cm 2 . If we know the maximum gain of the antenna and the total power input to the antenna, through the calculation, we will know the distance r where the MPE limit is reached. Test Procedure Software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. Test Result of RF Exposure Evaluation 2.4G WIFI mode Channel Output power to antenna (dBm) Output power to antenna (mW) Power Density at R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result 802.11b 9.211 8.34 0.001659 1.0 PASS 802.11g 8.455 7.01 0.001394 1.0 PASS 802.11n(HT20) 8.522 7.12 0.001416 1.0 PASS 802.11n(HT40) 7.925 6.20 0.001234 1.0 PASS Remark: antenna gain=0dBi

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Avenue .... : Shenz h .... : 30th P a Longga China .... : Shenz h .... : 30th P a Longga China .... : FCC C F ANSI C .... : / .... : N/A .... : TRF-E L .... : ZKT Te s .... : Dated: 2 been tested he FCC requ ed except in f sonal only, an .... : VIDEO .... : N/A .... : BM-43 E .... : Input: D EST R ATJW-4 06072411E , 2021 to Ju , 2021 hen ZKT Tec . 101, Buildin , Fuhai Stree hen Dayunlin ark West Zha ng District, S hen Dayunlin ark West Zha ng District, S FR Title 47 P 63.10:2013 L-110_V0 sting 2020-01-06 by ZKT, an d uirements. An full, without t nd shall be n BABY MON EXYD031 DC 5V From A REPO 43EXY n. 18, 2021 chnology Co ng B, No. 6, T et, Bao'an Di nks Co.,ltd angbei Yuanh Shenzhen Cit nks Co.,ltd angbei Yuanh Shenzhen Cit Part 15 Subpa d the test res nd it is applic the written ap noted in the r NITOR AC ADAPTE Project RT YD03 o., Ltd. Tangwei Com istrict, Shenz hu Road Lon ty. GuangDo hu Road Lon ty. GuangDo art C Section ults show tha cable only to pproval of ZK revision of th ER t No.: ZKT-2 P 1 mmunity Indu zhen, China gcheng Stre ong Province gcheng Stre ong Province n 15.247 at the equipm the tested s KT, this docu he document 106072411E Page 1 of 56 ustrial eet , 518000 eet , 518000 ment under ample ument may . E 6 Testing p Testing Address Tested b Review e Approve rocedure an Laboratory . .................... y (name + si er (name + si d (name + s i nd testing lo .................... .................... ignature) ..... gnature) ...... ignature) ..... ocation: ............... : ............... : ............... : ............... : ............... : Shenzhen 1/F, No. 10 1 Industrial Av Shenzhen, Alen He Joe Liu Lake Xie ZKT Techno 1, Building B venue, Fuha China Project ology Co., L B, No. 6, Tang ai Street, Bao t No.: ZKT-2 P Ltd. gwei Commu o'an District, 106072411E Page 2 of 56 unity E 6 1. VERS 2. SUM 2.1 T 2.2 M 3. GEN 3.1 G 3.2 D 3.3 B 3.4 D 3.5EQ 4. EMC 4.1 C 4 4 4 4 4 4 4.2 R 4 4 4 4 4 4 5.RADIA 5.1 T 5.2 T 5.3 D 5.4 T 5.5 E 5.6 T 6.POWE 6.1 A 6.2 T 6.3 D 6.4 T 6.5 E SION MARY OF TEST FACIL MEASUREM ERAL INF GENERAL D DESCRIPTI BLOCK DIG DESCRIPTI QUIPMENT EMISSIO CONDUCTE .1.1 POWE .1.2 TEST P .1.3 DEVIAT .1.4 TEST S .1.5 EUT O .1.6 TEST R RADIATED .2.1 RADI A .2.2 TEST P .2.3 DEVIAT .2.4 TEST S .2.5 EUT O .2.6 TEST R ATED BAN TEST REQU TEST PROC DEVIATION TEST SETU EUT OPERA TEST RESU ER SPECT APPLIED PR TEST PROC DEVIATION TEST SETU EUT OPERA F TEST RE LITY MENT UNC FORMATIO DESCRIPT ON OF TE S GRAM SHO ON OF SU TS LIST FO N TEST ED EMISSIO R LINE CO PROCEDU ATION FROM SETUP OPERATING RESULT EMISSION ATED EMISS PROCEDU ATION FROM SETUP OPERATING RESULTS ND EMISS UIREMENT: CEDURE FROM TE S UP ATING CON ULT TRAL DEN ROCEDUR CEDURE FROM ST A UP ATION CON Ta ESULTS ERTAINTY ON ION OF EU ST MODES OWING THE PPORT UN OR ALL TES ON MEASU ONDUCTED RE M TEST ST G CONDITIO MEASURE SION LIMIT RE M TEST ST G CONDITIO SIONMEAS : ST STANDA NDITIONS NSITY TES RES / LIMIT ANDARD NDITIONS able of Cont Y UT S E CONFIGU NITS(COND ST ITEMS UREMENT D EMISSION TANDARD ONS EMENT TS TANDARD ONS SUREMEN ARD ST tents URATION O DUCTED MO N LIMITS NT Project OF SYSTEM ODE) t No.: ZKT-2 P M TESTED 106072411E Page 3 of 56 Page 5 6 7 7 8 8 9 9 10 11 12 12 12 12 12 13 13 14 16 16 16 17 17 18 18 29 29 29 29 30 30 31 33 33 33 33 33 33 E 6 e 6.6 T 7. CHA 7.1 A 7.2 T 7.3 D 7.4 T 7.5 E 7.6 T 8.PEAK 8.1 A 8.2 T 8.3 D 8.4 T 8.5 E 8.6 T 9. CON 9.1 A 9.2 T 9.3 D 9.4 T 9.5 E 9.6 T 10. ANT 11. TES 12. EUT TEST RESU NNEL BAN APPLIED PR TEST PROC DEVIATION TEST SETU EUT OPERA TEST RESU K OUTPUT APPLIED PR TEST PROC DEVIATION TEST SETU EUT OPERA TEST RESU DUCTED APPLICABL TEST PROC DEVIATION TEST SETU EUT OPERA TEST RESU TENNA RE ST SETUP T CONSTR ULT NDWIDTH ROCEDUR CEDURE FROM ST A UP ATION CON ULT T POWER ROCEDUR CEDURE FROM ST A UP ATION CON ULT BAND ED LE STANDA CEDURE FROM ST A UP ATION CON ULTS EQUIREME PHOTO RUCTIONA H& 99% OC RES / LIMIT ANDARD NDITIONS TEST RES/LIMIT ANDARD NDITIONS DGE AND S ARD ANDARD NDITIONS ENT AL DETAIL CCUPY BA SPURIOUS LS ANDWIDT S EMISSIO Project H ON t No.: ZKT-2 P 106072411E Page 4 of 56 34 42 42 42 42 42 42 43 46 46 46 46 46 46 47 48 48 48 48 48 48 48 55 56 56 E 6 1. VERSION Re ZKT-2 N eportNo. 2106072411 E Version Rev.01 Desc Initial issu Project cription ue of report t No.: ZKT-2 P J 106072411E Page 5 of 56 Approved un. 18, 2021 E 6 1 2. SUMMAR Te s t p r o c FCC p FC FCC p FCC p FCC FCC FCC p NOTE: (1) ” RY OF TEST cedures acco Standard Section art 15.203/15 (c) CC part 15.20 part 15.247 ( part 15.247 ( C part 15.247 C part 15.247 art 15.205/15 ” N/A” denote T RESULTS ording to the 5.247 07 A b)(3) a)(2) (e) 7(d) 5.209 es test is not technical sta FCC Par Anten AC Power Lin Conducted Channel Ba…

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EUT TEST PHOTO