2AHN6-AUBS260RGB Cylinder BLTH SPKR FM-BK

已YTECI--I" THE ART OF TECHNOLOGY BY-AU-BS-260-BK 0 Bluetooth ® LED DOME SPEAKER 2 3 4 5 I I I OO巳芦巳工 8 7 \_—6 Functions Overview 1.Mode Button 2. Previous Track/ Decrease Volume 3.Power On/Off/ Play/Pause 4. Next Track/ Increase Volume 5.LED Light Mode 6. USB Type-C Charging Port 7. USB Flash Drive Port 8. TF Card Drive Port 9.AUX-IN port 10.Indicator Light 10 Notice: Please read user manual carefully and keep it for your records. Package includes: 1 (One) Led Dome Speaker 4.33in. x 4.33in. x 5.15in. (10.99cm x 10.99cm x 13.1cm) 1 (One) USB Type-C Cable 11.8in.(30cm) 1 (One) User Manual Specifications: Bluetooth ® : V5.4 Sound Output: 5W Battery type: 500 mah built-in rechargeable lithium battery Charge Time: up to 3 hours Play Time: up to 4 hours Standby Time: 6 hours Operating Range: 1 Om Input: DC 5V 1A max Features: •With Bluetooth ® ; AUX input jack; USB & TF card ports; TWS function. •"True Wireless Stereo Function" when paired with another Led Dome Speaker. •Bass-boosting sound. •Colorful lights create a relaxing mood. Charging: Your speaker comes with a built-in rechargeable battery. Prior to using the speaker for the first time, it is recommended to fully charge the battery for 2-3 hours. When the speaker is in low power status it will emit a tone. Please recharge the battery of the speaker. Connect the Type-C end of the provided charging cable into the Type-C charging port on the back of the speaker, and connect USB-A end of the charging cable into a compatible USB power port (DC 5V 1A max). The red Indicator Light will be illuminated while charging. It takes approximately 2-3 hours to completely charge the battery. When charging is complete, the red Indicator Light with turn off. Instructions for Use: 1.Place speaker within 30 feet of the Bluetooth ® enabled device. 2.Press the ON/OFF button. 3.On your Bluetooth ® enabled smartphone, tablet or media player, navigate to the Bluetooth ® setting menu, turn on the Bluetooth ® feature, and search for new devices. 4.Find the model's Bluetooth ® name "BY-BS-260". Connect with the model by clicking the name on the smartphone. "Connected" message will appear to indicate it connected successfully. 口 83 Long Press to decrease Volume Short Press for previous song 否LongPress to turn ON/OFF Short Press to Play/Pause 巳LongPress to increase Volume Short Press for next song If the speaker doesn't connect to a Bluetooth ® device, it will automatically shutdown after 5 minutes. TWS Use: To use this speaker as a TWS true wireless pair, you will need a second LED Dome Speaker, sold separately: 1.Turn on both speakers. 2.Connect one of the speakers to the phone. 3.Choose one of them and long press the "M" button, and the two speakers will be connected automatically. When the connection is successful, long press the "M" button again, and the connection will be disconnected (the speaker connected to the phone will continue to sound). External Media: To use a USB Flash Drive port, simply plug in the USB Flash Drive into the port, the speaker will change mode automatically. To use a TF Card Drive port, press the card into the slot until it clicks and stays. The speaker will change mode automatically. To remove the card, press it in further and it will click and the spring will push it out so you can remove TF card. *Only supports audio files in mp3 format. FM Radio Use: 1.Insert the USB-A side of the charging cable into a USB Flash Drive Port (it will function as an FM radio antenna). 2.Press the "M" button until you hear the static of radio. 3.Press the Play/Pause button to begin a frequency scan. The speaker will search through the available frequencies in your area and assign each discovered frequency as a preset. 4.Now when you press the Previous and Next buttons you can search through the frequencies. 5.You can rescan the radio frequencies by pressing the Play/Pause button again. LED Light: Short press the Light Mode button to cycle through 6 light style modes. 中AUX-IN: Connect any aux enable audio device to play music directly through wired connection Warnings •Do not let small children play this product •Do not expose the speaker to liquid, moisture or humidity to avoid the product's internal circuit being affected. •Do not use abrasive cleaning solvents to clean the speaker. •Store the speaker out of direct sunlight and extreme temperatures (above 45 ° C/113 ° F or below -10 ° C/14 ° F) as this may shorten the battery life, affect the operation or degrade the performance of your speaker. •Do not dispose of the speaker in a fire to sharp objects as this will cause scratches and damage. •Do not drop the speaker, This is may cause damage to the internal circuitry. •If the speaker is left for long period without use, charge once per month to avoid the overconsumption of the battery. •This appliance is for indoor use only, Please do not use or store the unit in high temperature or hazardous locations, Please do not submerge the unit into water, as this will ruin the speaker. •The unit comes with a rechargeable battery, so please do not throw or put it in a fire to avoid explosion. •The warranty for this product is invalidated if the products had been damaged, repaired or modified in any w ay. FCC ID: 2AHN6-AUBS260 u WARRANTY-12 MONTH Please visit our website Bytechintl.com/warranty ©2026 BYTECH NY INC BYTECH ™ is a registered trademark of Bytech NY INC Bluetooth®is a registered trademark of SIG.Inc •All Trademarks and copyrights are the property of the respective companies. •Photos are for illustration purposes only 匡三亡言已艺;�-"•]勹覂詈霍 I BYT EC H lllllfflll ©2026 BY「ECHNYINC. ✓ RoHS CE: 陌宜 MADE IN CHINA Accordion Fold Broadside FCC Warnning: 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 residential installation. This equipment generates, uses and can radiate radio frequency …

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Bytech NY Inc. Add: 2585 West 13th Street,Brooklyn NY 11223 United States Covered Equipment Certification Attestation Letter Date: 2026-4-6 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2AHN6-AUBS260 Bytech NY Inc. (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not “covered” equipment. Bytech NY Inc. (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Bytech NY Inc. (“the applicant”) certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Sincerely, Name/Title： Soli Mizrahi/Manager Company: Bytech NY Inc. Address: 2585 West 13th Street,Brooklyn NY 11223 United States Phone: (718) 449-3700 Fax: N/A E-Mail: [email protected]

Bytech NY Inc. 2585 West 13th Street,Brooklyn NY 11223 NewYork, NY 11223 Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2026/04/10 U.S. Agent Designation Bytech NY Inc. 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: 2AHN6-AUBS260): Name and company of U.S. agent: Bytech NY Inc. Physical U.S. address of agent: 2585 West 13th Street,Brooklyn NY 11223 NewYork, NY 11223 FRN of U.S. agent: 0025388125 Phone of U.S. agent: 718-449-3700 Email address of U.S. agent: [email protected] Bytech NY Inc. acknowledges their obligation to accept service of process on behalf of Bytech NY Inc. with the FRN [0025388125] 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. An expiration date for this letter does not exist. Sincerely, Signature Soli Mizrahi Manager Bytech NY Inc. Signature Soli Mizrahi Manager Bytech NY Inc. 48_[mo del] US_Agent_2.911(d)(7) - U, V0 5

Bytech NY Inc. Add: 2585 West 13th Street,Brooklyn NY 11223 United States Date: 2026-4-6 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act as Agent On our behalf, I appoint SHENZHEN CTA TESTING TECHNOLOGY CO., LTD.,Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community,Fuhai Street, Bao‘an District, Shenzhen, China (Name of Agent company name and address) to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commission’s regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, still resides with Bytech NY Inc.,2585 West 13th Street,Brooklyn NY 11223 United States (Applicant Name and address) Sincerely, Name/Title： Soli Mizrahi/Manager Company: Bytech NY Inc. Address: 2585 West 13th Street,Brooklyn NY 11223 United States Phone: (718) 449-3700 Fax: N/A E-Mail: [email protected]

Bytech NY Inc. Add: 2585 West 13th Street,Brooklyn NY 11223 United States Date: 2026-4-6 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Compliance Testing, LLC to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). Sincerely, Name/Title： Soli Mizrahi/Manager Company: Bytech NY Inc. Address: 2585 West 13th Street,Brooklyn NY 11223 United States Phone: (718) 449-3700 Fax: N/A E-Mail: [email protected]

Bytech NY Inc. Add: 2585 West 13th Street,Brooklyn NY 11223 United States Date: 2026-4-6 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2AHN6-AUBS260 Product Name: RGB Cylinder BLTH SPKR FM-BK Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commission’s rules, we hereby request that the following documents be held confidential: (List here the documents for which you are seeking confidentiality – for example ...) • Schematics • Block diagram • Operation description These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. Sincerely, Name/Title： Soli Mizrahi/Manager Company: Bytech NY Inc. Address: 2585 West 13th Street,Brooklyn NY 11223 United States Phone: (718) 449-3700 Fax: N/A E-Mail: [email protected]

FCC ID:2AHN6-AUBS260 External Photos of the EUT FCC ID:2AHN6-AUBS260 FCC ID:2AHN6-AUBS260

Label and Location Size: L: 2.0cm*W: 1.0cm Label and Location FCC ID : 2AHN6-AUBS260

FCC ID:2AHN6-AUBS260 Internal Photos of the EUT FCC ID:2AHN6-AUBS260 BT ANT FCC ID:2AHN6-AUBS260

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 evaluation Report Reference No. ..................... : FCC ID............................................. : CTA26032500302 2AHN6-AUBS260 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 .................................... : Apr. 01, 2026 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 ............................ : Bytech NY Inc. Address ............................................ : 2585 West 13th Street,Brooklyn NY 11223 NewYork, NY 11223 Standard ........................................... : 47CFR §1.1310 47CFR §2.1093 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 ..................... : RGB Cylinder BLTH SPKR FM-BK Trade Mark ....................................... : N/A Manufacturer .................................... : TERRY INTERNATIONAL TRADING (HK) CO.,LIMITED Model/Type reference ...................... : BY-AU-BS-260-BK Listed Models ................................... : N/A Rating ............................................... : DC 3.7V From battery and DC 5.0V From external circuit Result ............................................... : PASS Report No.: CTA26032500302 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 : RGB Cylinder BLTH SPKR FM-BK Model /Type : BY-AU-BS-260-BK Listed Models : N/A Applicant : Bytech NY Inc. Address : 2585 West 13th Street,Brooklyn NY 11223 NewYork, NY 11223 Manufacturer : TERRY INTERNATIONAL TRADING (HK) CO.,LIMITED Address : 3th Floor,Building 1,East business centre 456 XingNing Road YinZhou Ningbo City,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.: CTA26032500302 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 Conducted Power Result ......................................................................................... 7 4.3 Manufacturing tolerance .......................................................................................... 8 4.4 Evaluation Result ..................................................................................................... 8 4.5 Simultaneous Transmission for SAR Exclusion ...................................................... 8 5 Conclusion ........................................................................................................................... 8 Report No.: CTA26032500302 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-test.cn 1 T E S T S T A N D A R D S The tests were performed according to following standards: ANSI C95.1–1999: IEEE S…

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1 FCC Appendix RF Test Data for BT FCC ID : 2AHN6-AUBS260 Company : Bytech NY Inc. EUT : RGB Cylinder BLTH SPKR FM-BK Model Number : BY-AU-BS-260-BK Report No. : CTA26032500301 Reviewed By : Eric Wang 2 Appendix A: 20dB Emission Bandwidth Test Result TestMode Antenna Freq(MHz) 20dB EBW[MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict DH5 Ant1 2402 0.957 2401.547 2402.504 --- --- 2441 0.966 2440.544 2441.510 --- --- 2480 0.948 2479.547 2480.495 --- --- 2DH5 Ant1 2402 1.281 2401.376 2402.657 --- --- 2441 1.287 2440.376 2441.663 --- --- 2480 1.353 2479.334 2480.687 --- --- 3DH5 Ant1 2402 1.311 2401.358 2402.669 --- --- 2441 1.311 2440.358 2441.669 --- --- 2480 1.311 2479.355 2480.666 --- --- 3 Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 4 2DH5_Ant1_2402 2DH5_Ant1_2441 5 2DH5_Ant1_2480 3DH5_Ant1_2402 3DH5_Ant1_2441 6 3DH5_Ant1_2480 7 Appendix B: Occupied Channel Bandwidth Test Result TestMode Antenna Freq(MHz) OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict DH5 Ant1 2402 0.87157 2401.5774 2402.4490 --- --- 2441 0.86006 2440.5799 2441.4399 --- --- 2480 0.86609 2479.5773 2480.4434 --- --- 2DH5 Ant1 2402 1.1823 2401.4203 2402.6026 --- --- 2441 1.1814 2440.4198 2441.6012 --- --- 2480 1.1846 2479.4181 2480.6027 --- --- 3DH5 Ant1 2402 1.1906 2401.4152 2402.6058 --- --- 2441 1.1878 2440.4129 2441.6007 --- --- 2480 1.1876 2479.4161 2480.6037 --- --- 8 Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 9 2DH5_Ant1_2402 2DH5_Ant1_2441 10 2DH5_Ant1_2480 3DH5_Ant1_2402 3DH5_Ant1_2441 11 3DH5_Ant1_2480 12 Appendix C: Maximum conducted output power Test Result Peak Test Mode Antenna Freq(MHz) Conducted Peak Powert[dBm] Conducted Limit[dBm] Verdict DH5 Ant1 2402 -0.02 ≤20.97 PASS 2441 -0.38 ≤20.97 PASS 2480 -0.40 ≤20.97 PASS 2DH5 Ant1 2402 -0.96 ≤20.97 PASS 2441 -1.23 ≤20.97 PASS 2480 -1.23 ≤20.97 PASS 3DH5 Ant1 2402 -0.56 ≤20.97 PASS 2441 -0.85 ≤20.97 PASS 2480 -0.82 ≤20.97 PASS 13 Appendix D: Carrier frequency separation Test Result TestMode Antenna Freq(MHz) Result[MHz] Limit[MHz] Verdict DH5 Ant1 Hop 1.014 ≥0.966 PASS 2DH5 Ant1 Hop 0.968 ≥0.902 PASS 3DH5 Ant1 Hop 1.014 ≥0.874 PASS 14 Test Graphs DH5_Ant1_Hop 2DH5_Ant1_Hop 3DH5_Ant1_Hop 15 16 Appendix E: Time of occupancy Test Result TestMode Antenna Freq(MHz) BurstWidth [ms] TotalHops [Num] Result[s] Limit[s] Verdict DH1 Ant1 Hop 0.407 320 0.13 ≤0.4 PASS DH3 Ant1 Hop 1.662 152 0.253 ≤0.4 PASS DH5 Ant1 Hop 2.911 107 0.311 ≤0.4 PASS 2DH1 Ant1 Hop 0.417 316 0.132 ≤0.4 PASS 2DH3 Ant1 Hop 1.667 153 0.255 ≤0.4 PASS 2DH5 Ant1 Hop 2.916 117 0.341 ≤0.4 PASS 3DH1 Ant1 Hop 0.415 318 0.132 ≤0.4 PASS 3DH3 Ant1 Hop 1.666 170 0.283 ≤0.4 PASS 3DH5 Ant1 Hop 2.917 121 0.353 ≤0.4 PASS 17 Test Graphs DH1_Ant1_Hop DH3_Ant1_Hop 18 DH5_Ant1_Hop 19 2DH1_Ant1_Hop 2DH3_Ant1_Hop 20 2DH5_Ant1_Hop 21 3DH1_Ant1_Hop 3DH3_Ant1_Hop 22 3DH5_Ant1_Hop 23 24 Appendix F: Number of hopping channels Test Result TestMode Antenna Freq(MHz) Result[Num] Limit[Num] Verdict DH5 Ant1 Hop 79 ≥15 PASS 2DH5 Ant1 Hop 79 ≥15 PASS 3DH5 Ant1 Hop 79 ≥15 PASS 25 Test Graphs DH5_Ant1_Hop 2DH5_Ant1_Hop 3DH5_Ant1_Hop 26 27 Appendix G: Band edge measurements Test Result TestMode Antenna ChName Freq(MHz) RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5 Ant1 Low 2402 -0.09 -57.87 ≤-20.09 PASS High 2480 -0.81 -57.12 ≤-20.81 PASS Low Hop_2402 -3.78 -57.02 ≤-23.78 PASS High Hop_2480 -4.62 -58.16 ≤-24.62 PASS 2DH5 Ant1 Low 2402 -3.70 -56.21 ≤-23.7 PASS High 2480 -4.95 -56.39 ≤-24.95 PASS Low Hop_2402 -8.61 -58.07 ≤-28.61 PASS High Hop_2480 -4.09 -35.32 ≤-24.09 PASS 3DH5 Ant1 Low 2402 -5.69 -56.63 ≤-25.69 PASS High 2480 -3.90 -55.8 ≤-23.9 PASS Low Hop_2402 -12.35 -57.34 ≤-32.35 PASS High Hop_2480 -8.03 -56.48 ≤-28.03 PASS 28 Test Graphs DH5_Ant1_Low_2402 DH5_Ant1_High_2480 DH5_Ant1_Low_Hop_2402 29 DH5_Ant1_High_Hop_2480 2DH5_Ant1_Low_2402 30 2DH5_Ant1_High_2480 2DH5_Ant1_Low_Hop_2402 2DH5_Ant1_High_Hop_2480 31 3DH5_Ant1_Low_2402 3DH5_Ant1_High_2480 32 3DH5_Ant1_Low_Hop_2402 3DH5_Ant1_High_Hop_2480 33 Appendix H: Conducted Spurious Emission Test Result TestMode Antenna Freq(MHz) FreqRange [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5 Ant1 2402 Reference -1.28 -1.28 --- PASS 30~1000 -1.28 -67.99 ≤-21.28 PASS 1000~26500 -1.28 -41.7 ≤-21.28 PASS 2441 Reference -1.54 -1.54 --- PASS 30~1000 -1.54 -67.67 ≤-21.54 PASS 1000~26500 -1.54 -36.1 ≤-21.54 PASS 2480 Reference -0.50 -0.50 --- PASS 30~1000 -0.50 -65.17 ≤-20.5 PASS 1000~26500 -0.50 -42.24 ≤-20.5 PASS 2DH5 Ant1 2402 Reference -4.91 -4.91 --- PASS 30~1000 -4.91 -67.46 ≤-24.91 PASS 1000~26500 -4.91 -49.85 ≤-24.91 PASS 2441 Reference -6.73 -6.73 --- PASS 30~1000 -6.73 -59 ≤-26.73 PASS 1000~26500 -6.73 -48.13 ≤-26.73 PASS 2480 Reference -5.78 -5.78 --- PASS 30~1000 -5.78 -57.57 ≤-25.78 PASS 1000~26500 -5.78 -47.84 ≤-25.78 PASS 3DH5 Ant1 2402 Reference -6.19 -6.19 --- PASS 30~1000 -6.19 -61.49 ≤-26.19 PASS 1000~26500 -6.19 -48.75 ≤-26.19 PASS 2441 Reference -6.26 -6.26 --- PASS 30~1000 -6.26 -67.17 ≤-26.26 PASS 1000~26500 -6.26 -45.45 ≤-26.26 PASS 2480 Reference -6.47 -6.47 --- PASS 30~1000 -6.47 -67.51 ≤-26.47 PASS 1000~26500 -6.47 -50.7 ≤-26.47 PASS

34 Test Graphs DH5_Ant1_2402_0~Reference DH5_Ant1_2402_30~1000 DH5_Ant1_2402_1000~26500 35 DH5_Ant1_2441_0~Reference DH5_Ant1_2441_30~1000 36 DH5_Ant1_2441_1000~26500 DH5_Ant1_2480_0~Reference DH5_Ant1_2480_30~1000 37 DH5_Ant1_2480_1000~26500 2DH5_Ant1_2402_0~Reference 38 2DH5_Ant1_2402_30~1000 2DH5_Ant1_2402_1000~26500 2DH5_Ant1_2441_0~Reference 39 2DH5_Ant1_2441_30~1000 2DH5_Ant1_2441_1000~26500 40 2DH5_Ant1_2480_0~Reference 2DH5_Ant1_2480_30~1000 2DH5_Ant1_2480_1000~26500 41 3DH5_Ant1_2402_0~Reference 3DH5_Ant1_2402_30~1000 42 3DH5_Ant1_2402_1000~26500 3DH5_Ant1_2441_0~Reference 3DH5_Ant1_2441_30~1000 43 3DH5_Ant1_2441_1000~26500 3DH5_Ant1_2480_0~Reference 44 3DH5_Ant1_2480_30~1000 3DH5_Ant1_2480_1000~26500 45 Appendix I: Duty Cycle Test Result TestMode Antenna Freq(MHz) ON Time [ms] Period [ms] DC [%] xFactor Limit Verdict DH5 Ant1 2402 2.91 3.75 77.60 1.10 --- --- 2441 2.91 3.75 77.60 1.10 --- --- 2480 2.91 3.75 77.60 1.10 --- --- 2DH5 Ant1 2402 2.92 3.75 77.87 1.09 --- --- 2441 2.92 3.76 77.66 1.10 --- --- 2480 2.92 3.75 77.87 1.09 --- --- 3DH5 Ant1 2402 2.92 3.74 78.07 1.08 --- --- 2441 2.92 3.75 77.87 1.09 --- --- 2480 2.92 3.74 78.07 1.08 --- --- 46 Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 47 2DH5_Ant1_2402 2DH5_Ant1_2441 48 2DH5_Ant1_2480 3DH5_Ant1_2402 3DH5_Ant1_2441 49 3DH5_Ant1_2480 50 Appendix J: Emissions in Restricted Bands Test Result TestMode Antenna ChName Freq(MHz) Detector Freq [MHz] Result [dBm] Gain [dB] DC Factor [dB] Result [dBuV/m] Limit [dBuV/m] Verdict DH5 Ant1 Low 2402 AV 2310.000 -60.07 2.00 1.10 38.23 ≤54 PASS AV 2363.945 -58.32 2.00 1.10 39.98 ≤54 PASS AV 2390.000 -58.85 2.00 1.10 39.45 ≤54 PASS Peak 2310.000 -51.87 2.00 0.00 45.33 ≤74 PASS Peak 2360.795 -47.91 2.00 0.00 49.29 ≤74 PASS Peak 2390.000 -52.68 2.00 0.00 44.52 ≤74 PASS High 2480 AV 2483.500 -58.48 2.00 1.10 39.82 ≤54 PASS AV 2483.760 -57.88 2.00 1.10 40.42 ≤54 PASS AV 2500.000 -59.49 2.00 1.10 38.81 ≤54 PASS Peak 2483.500 -50.9 2.00 0.00 46.30 ≤74 PASS Peak 2485.040 -46.27 2.00 0.00 50.93 ≤74 PASS Peak 2500.000 -50.8 2.00 0.00 46.40 ≤74 PASS 2DH5 Ant1 Low 2402 AV 2310.000 -60.03 2.00 1.09 38.26 ≤54 PASS AV 2364.575 -58.59 2.00 1.09 39.70 ≤54 PASS AV 2390.000 -59.31 2.00 1.09 38.98 ≤54 PASS Peak 2310.000 -52.96 2.00 0.00 44.24 ≤74 PASS Peak 2378.750 -49.57 2.00 0.00 47.63 ≤74 PASS Peak 2390.000 -52 2.00 0.00 45.20 ≤74 PASS High 2480 AV 2483.500 -58.99 2.00 1.09 39.30 ≤54 PASS AV 2483.840 -58.47 2.00 1.09 39.82 ≤54 PASS AV 2500.000 -59.65 2.00 1.09 38.64 ≤54 PASS Peak 2483.500 -50.06 2.00 0.00 47.14 ≤74 PASS Peak 2484.400 -47.64 2.00 0.00 49.56 ≤74 PASS Peak 2500.000 -52.22 2.00 0.00 44.98 ≤74 PASS 3DH5 Ant1 Low 2402 AV 2310.000 -60.4 2.00 1.08 37.88 ≤54 PASS AV 2370.665 -58.52 2.00 1.08 39.76 ≤54 PASS AV 2390.000 -59.61 2.00 1.08 38.67 ≤54 PASS Peak 2310.000 -52.28 2.00 0.00 44.92 ≤74 PASS Peak 2376.230 -48.12 2.00 0.00 49.08 ≤74 PASS Peak 2390.000 -52.22 2.00 0.00 44.98 ≤74 PASS High 2480 AV 2483.500 -58.72 2.00 1.08 39.56 ≤54 PASS AV 2488.080 -58.29 2.00 1.08 39.99 ≤54 PASS AV 2500.000 -58.6 2.00 1.08 39.68 ≤54 PASS Peak 2483.500 -48.61 2.00 0.00 48.59 ≤74 PASS Peak 2483.520 -48.61 2.00 0.00 48.59 ≤74 PASS Peak 2500.000 -51.65 2.00 0.00 45.55 ≤74 PASS 51 Note： 1. The limit in dBm for average detector is conversion from 54dBuV/m, according to 15.209(a). The limit in dBm for peak detector is 20dB above the limit of average detector in dBm. 52 Test Graphs DH5_Ant1_Low_2402_AV DH5_Ant1_Low_2402_Peak DH5_Ant1_High_2480_AV 53 DH5_Ant1_High_2480_Peak 2DH5_Ant1_Low_2402_AV 54 2DH5_Ant1_Low_2402_Peak 2DH5_Ant1_High_2480_AV 2DH5_Ant1_High_2480_Peak 55 3DH5_Ant1_Low_2402_AV 3DH5_Ant1_Low_2402_Peak 56 3DH5_Ant1_High_2480_AV 3DH5_Ant1_High_2480_Peak

Inverted F Antenna Specification Summary ITEMANT SPEC Model Name 2.4G ANT HorizontalVertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.26 -0.76 -0.58 -5.25 -2.46 -1.86 MAX. Gain -0.58dBi PolarizationHorizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance50 Ohm Antenna Length 38.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dBi) Frequency (MHz) Max Min Avg 2400 -1.26174 -30.0801 -7.18716 2450 -0.765802 -36.5604 -7.48023 2500 -0.585582 -22.0315 -6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dBi) Frequency (MHz) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

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. ........................................... : CTA26032500301 2AHN6-AUBS260 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 .................................... : Apr. 01, 2026 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 ........................... : Bytech NY Inc. Address ............................................ : 2585 West 13th Street,Brooklyn NY 11223 NewYork, NY …

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