2AYZG-SO800EDigital Wall Clock

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ShenZhen litian technology Co.,Ltd Rm609, #2 Zonghe Bldg, Bao yun da center, Xixiang St, Bao an District, Shenzhen, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2025/11/21 U.S. Agent Designation ShenZhen litian technology Co.,Ltd acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2AYZG-SO800E): Name and company of U.S. agent: GLOCERTS TECHNOLOGY INC Physical U.S. address of agent: 19784 SUNKISSED RIDGE DR RIVERSIDE, CA 92507 United States FRN of U.S. agent: 0036339737 Email address of U.S. agent: [email protected] GLOCERTS TECHNOLOGY INC acknowledges their obligation to accept service of process on behalf of ShenZhen litian technology Co.,Ltd ShenZhen litian technology Co.,Ltd with the FRN [0030614184] accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission- related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. Sincerely, Signature Siyin Ye Manager ShenZhen litian technology Co.,Ltd Signature Huiying Fan Director GLOCERTS TECHNOLOGY INC 48_[mo del] US_Agent_2.911(d)(7) - U, V0 5

FCC ID:2AYZG-SO800E External Photos of the EUT FCC ID:2AYZG-SO800E FCC ID:2AYZG-SO800E

Label and Location Size: L: 4.0cm*W: 3.0cm Label and Location FCC ID : 2AYZG-SO800E

FCC ID:2AYZG-SO800E Internal Photos of the EUT FCC ID:2AYZG-SO800E FCC ID:2AYZG-SO800E 433 Receiving antenna FCC ID:2AYZG-SO800E BT ANT

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn RF Exposure MPE Report Reference No. .................... : FCC ID. ........................................... : CTA25111000902 2AYZG-SO800E Compiled by ( position+printed name+signature) . : File administrators Zoey Cao Supervised by ( position+printed name+signature) . : Project Engineer Ace Chai Approved by ( position+printed name+signature) . : RF Manager Eric Wang Date of issue .................................... : Nov. 14, 2025 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address ........................................... : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name ........................... : ShenZhen litian technology Co.,Ltd Address ........................................... : Rm609, #2 Zonghe Bldg, Bao yun da center, Xixiang St, Bao an District, Shenzhen, China Standard ........................................... : 47CFR §1.1310 47CFR §2.1091 KDB447498 D01 General RF Exposure Guidance v06 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purpses as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : Digital Wall Clock Trade Mark ....................................... : N/A Manufacturer .................................... : ShenZhen litian technology Co.,Ltd Model/Type reference ...................... : SO800E Listed Models ................................... : N/A Rating ............................................... : DC 5.0V From external circuit Result ............................................... : PASS Report No.: CTA25111000902 Page 2 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : Digital Wall Clock Model /Type : SO800E Listed Models : N/A Applicant : ShenZhen litian technology Co.,Ltd Address : Rm609, #2 Zonghe Bldg, Bao yun da center, Xixiang St, Bao an District, Shenzhen, China Manufacturer : ShenZhen litian technology Co.,Ltd Address : Rm609, #2 Zonghe Bldg, Bao yun da center, Xixiang St, Bao an District, Shenzhen, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA25111000902 Page 3 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 TEST STANDARDS ............................................................................................................ 4 2 SUMMARY .......................................................................................................................... 5 2.1 General Remarks ..................................................................................................... 5 2.2 Product Description ................................................................................................. 5 2.3 Special Accessories ................................................................................................. 5 2.4 Modifications ............................................................................................................ 5 3 TEST ENVIRONMENT ....................................................................................................... 6 3.1 Address of the test laboratory .................................................................................. 6 3.2 Test Facility .............................................................................................................. 6 3.3 Statement of the measurement uncertainty ............................................................. 6 4 Test limit .............................................................................................................................. 7 4.1 Requirement ............................................................................................................ 7 4.2 MPE Calculation Method ......................................................................................... 7 4.3 Conducted Power Results ....................................................................................... 7 4.4 Manufacturing tolerance .......................................................................................... 8 4.5 Standalone MPE Result ........................................................................................... 8 4.6 Simultaneous Transmission for MPE Result ........................................................... 8 5 Conclusion ........................................................................................................................... 8 Report No.: CTA25111000902 Page 4 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-…

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Inverted F Antenna Specification Summary ITEM ANT SPEC Model Name 2.4GANT Center 2400MHz 2500MHz 2400MHz 2500MHz Frequency -1.26-0.76-0.58-5.25-2.46 -1.86 MAX. Gain Polarization Azimuth Beam Pattern Impedance Antenna Length Manufacture -0.58dBi Horizontal and Vertical Omni-directional 500hm 38.20mm ZHUHAI JIELI TECHNOLOGY CO.,LTD 15. 2mm 5.7mm 13.0mm Horizontal 2450MHz Vertical 2450MHz Address: No. 333 Kexing Road, Xiangzhou District, Zhuhai City Antenna Photo & Length (mm) Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div 180 Frequency ( M Hz ) Max 2400 -1.26174 2450 -0.765802 2500 -0.585582 Gain ( dBi ) Min Avg -30.0801 - 7.18716 -36.5604 - 7.48023 -22.0315 -6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div 180 Frequency ( M Hz ) Max 2400 -5.2537 2450 -2.4652 2500 -1.86120 Gain ( dBi ) Min -22.1424 -24.5837 -29.5214 ANT Test Labs: Attestation of Global Compliance Co., Ltd. Avg -12.4294 - 10.4702 -9.20432

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn FCC PART 15 SUBPART C TEST REPORT FCC PART 15.247 Report Reference No. ...................: FCC ID. ......................................... : CTA25111000901 2AYZG-SO800E Compiled by ( position+printed name+signature) : File administrators Zoey Cao Supervised by ( position+printed name+signature) : Project Engineer Ace Chai Approved by ( position+printed name+signature) : RF Manager Eric Wang Date of issue ...................................: Nov. 14, 2025 Testing Laboratory Name .............: Shenzhen CTA Testing Technology Co., Ltd. Address ..........................................: Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name...........................: ShenZhen litian technology Co.,Ltd Address ...........................................: Rm609, #2 Zonghe Bldg, Bao yun da center, Xixiang St, Bao an District, Shenzhen, China Test specification ......................... : Standard ..........................................: FCC Part 15.247 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Equipment description ................ : Digital Wall Clock Trade Mark ......................................: N/A Manufacturer ...................................: ShenZhen litian technology Co.,Ltd Model/Type reference .....................: SO800E Listed Models ..................................: N/A Modulation ......................................: GFSK Frequency .......................................: From 2402MHz to 2480MHz Ratings ............................................: DC 5.0V From external circuit Result ..............................................: PASS Report No.: CTA25111000901 Page 2 of 34 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : Digital Wall Clock Model /Type : SO800E Listed Models : N/A Applicant : ShenZhen litian technology Co.,Ltd Address : Rm609, #2 Zonghe Bldg, Bao yun da center, Xixiang St, Bao an District, Shenzhen, China Manufacturer : ShenZhen litian technology Co.,Ltd Address : Rm609, #2 Zonghe Bldg, Bao yun da center, Xixiang St, Bao an District, Shenzhen, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA25111000901 Page 3 of 34 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 TEST STANDARDS ...................................................................................................................................... 4 2 SUMMARY .................................................................................................................................................... 5 2.1 General Remarks .............................................................................................................................. 5 2.2 Product Description* .......................................................................................................................... 5 2.3 Equipment Under Test ....................................................................................................................... 5 2.4 Short description of the Equipment under Test (EUT) ...................................................................... 5 2.5 EUT configuration .............................................................................................................................. 5 2.6 EUT operation mode ......................................................................................................................... 5 2.7 Block Diagram of Test Setup ............................................................................................................. 6 2.8 Related Submittal(s) / Grant (s) ......................................................................................................... 6 2.9 Modifications ...................................................................................................................................... 6 3 TEST ENVIRONMENT ................................................................................................................................. 7 3.1 Address of the test laboratory ........................................................................................................... 7 3.2 Test Facility........................................................................................................................................ 7 3.3 Environmental conditions .................................................................................................................. 7 3.4 Summary of measurement results .................................................................................................... 8 3.5 Statement of…

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1 FCC Appendix RF Test Data for BLE FCC ID : 2AYZG-SO800E Company : ShenZhen litian technology Co.,Ltd EUT : Digital Wall Clock Model Number : SO800E Report No. : CTA25111000901 Reviewed By : Eric Wang 2 Appendix A: DTS Bandwidth Test Result TestMode Antenna Freq(MHz) DTS BW [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict BLE_1M Ant1 2402 0.652 2401.684 2402.336 0.5 PASS 2440 0.656 2439.684 2440.340 0.5 PASS 2480 0.636 2479.692 2480.328 0.5 PASS 3 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 4 5 Appendix B: Occupied Channel Bandwidth Test Result TestMode Antenna Freq(MHz) OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict BLE_1M Ant1 2402 1.0037 2401.5169 2402.5206 --- --- 2440 1.0045 2439.5183 2440.5228 --- --- 2480 1.0019 2479.5178 2480.5197 --- --- 6 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 7 8 Appendix C: Maximum conducted output power Test Result Peak TestMode Antenna Freq(MHz) Conducted Peak Powert[dBm] Conducted Limit[dBm] Verdict BLE_1M Ant1 2402 -0.13 ≤30 PASS 2440 -0.35 ≤30 PASS 2480 -0.23 ≤30 PASS 9 Appendix D: Maximum power spectral density Test Result TestMode Antenna Freq(MHz) Result[dBm/3kHz] Limit[dBm/3kHz] Verdict BLE_1M Ant1 2402 -15.70 ≤8.00 PASS 2440 -15.87 ≤8.00 PASS 2480 -15.64 ≤8.00 PASS 10 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 11 12 Appendix E: Band edge measurements Test Result TestMode Antenna ChName Freq(MHz) RefLevel[dBm] Result[dBm] Limit[dBm] Verdict BLE_1M Ant1 Low 2402 -0.20 -53.12 ≤-20.2 PASS High 2480 -0.71 -51.7 ≤-20.71 PASS 13 Test Graphs BLE_1M_Ant1_Low_2402 BLE_1M_Ant1_High_2480 14 Appendix F: Conducted Spurious Emission Test Result TestMode Antenna Freq(MHz) FreqRange [MHz] RefLevel [dBm] Result[dBm] Limit[dBm] Verdict BLE_1M Ant1 2402 Reference -2.23 -2.23 --- PASS 30~1000 -2.23 -67.98 ≤-22.23 PASS 1000~26500 -2.23 -42.13 ≤-22.23 PASS 2440 Reference -0.82 -0.82 --- PASS 30~1000 -0.82 -67.94 ≤-20.82 PASS 1000~26500 -0.82 -42.59 ≤-20.82 PASS 2480 Reference -0.70 -0.70 --- PASS 30~1000 -0.70 -68.34 ≤-20.7 PASS 1000~26500 -0.70 -41.96 ≤-20.7 PASS 15 Test Graphs BLE_1M_Ant1_2402_0~Reference BLE_1M_Ant1_2402_30~1000 BLE_1M_Ant1_2402_1000~26500 16 BLE_1M_Ant1_2440_0~Reference BLE_1M_Ant1_2440_30~1000 17 BLE_1M_Ant1_2440_1000~26500 BLE_1M_Ant1_2480_0~Reference BLE_1M_Ant1_2480_30~1000 18 BLE_1M_Ant1_2480_1000~26500 19 Appendix G: Duty Cycle Test Result TestMode Antenna Freq(MHz) ON Time [ms] Period [ms] X DC [%] xFactor Limit Verdict BLE_1M Ant1 2402 0.41 0.62 0.6613 66.13 1.80 --- --- 2440 0.41 0.62 0.6613 66.13 1.80 --- --- 2480 0.41 0.62 0.6613 66.13 1.80 --- --- 20 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 21

FCC ID:2AYZG-SO800E Test Setup Photos of the EUT FCC ID:2AYZG-SO800E