2BTFQ-WL100Wireless Control Box

1 User Manual – ZTS-WL100 Wireless Control Box Wireless Control Box for LED Signs / RRFB / Chevron Sequential Flashing System Model: ZTS-WL100 FCC ID: 2BTFQ-WL100 2 1. Product Overview The ZTS-WL100 Wireless Control Box is designed for LED warning signs, RRFB systems, and sequential Chevron signs. It integrates a wireless communication module, control board, LiFePO₄ battery pack, charging management circuitry, and external antenna interface. 2. Technical Specifications Item Specification Model ZTS-WL100 Operating Voltage 6.4V / 9.6V LiFePO₄ system Wireless Frequency 2.4 GHz (FCC Part 15) Antenna External SMA antenna (2–5 dBi, approved only) Operating Temperature -40°C to +75°C Waterproof Rating Enclosure IP65 Supported Signs LED Warning Sign, RRFB, Chevron Sequential Signs Modulation Type GFSK 3. Product Layout Front Panel: antenna port, power switch, DC charging port. Internal Components: wireless control PCB, battery pack, antenna cable. 3 4. Installation Instructions Step 1: Mount the control box securely on the sign post or back of the LED sign. Step 2: Connect the LED sign output cable to the controller’s terminal. Step 3: Install and tighten the SMA antenna. Keep upright for best wireless performance. Step 4: Ensure the LiFePO₄ battery is connected properly. Step 5: Turn on the power switch to begin operation. 5. Operating Modes 1) Simultaneous Flashing Mode: all LED signs flash together. 2) Sequential Chevron Mode: three chevrons complete one full cycle in approximately 1 second. 3) RRFB Push-Button Mode: RRFB units flash synchronously after button activation. 4) Wireless Synchronization Mode: multiple control boxes communicate and flash in sync. 6. Battery and Charging Use only approved LiFePO₄ battery packs. Charging is supported via solar panel or DC port. Do not charge the battery below 0°C (32°F). 7. Safety Information - Do not replace the antenna with a non-approved or higher-gain antenna. - Do not modify the RF module or control board. - Avoid short-circuiting the battery terminals. - Installation should be performed by qualified personnel. 4 8. Regulatory Compliance Information 9. Troubleshooting Issue Cause Solution Sign not flashing Low battery Recharge or replace battery No wireless sync Antenna not installed Install or tighten antenna Weak signal Metal obstruction Move antenna outward Incorrect flashing sequence Wrong configuration Reconfigure controller settings 10. Contact Information Manufacturer: Sugar Sound LLC (DBA Zoodico Traffic Solutions) Address: Michigan, USA Email: [email protected] FCC Statement 1. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1)This device may not cause harmful interference. (2)This device must accept any interference received, including interference that may cause undesired operation. 2. 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 residential 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 television 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 technician for help. The device has been evaluated to meet general RF exposure requirement. This equipment should be installed and operated with a minimum distance of 20 cm between the radiator and your body.

Sugar Sound, LLC 2026-02-03 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID: 2BTFQ-WL100) [Sugar Sound, LLC] (“th e 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. We also certify that, as of the date of the filing of the application, the equipment does not utilize cyber-security or anti-virus software from Kaspersky Lab, Inc, or any of its successors and assignees, which is als o on the “covered list”. Sincerely, Lidong Yuan Owner Sugar Sound, LLC 1644 Chapleau Dr, Ann Arbor, MI 48103 S ugar Sound, LLC 2026-02-03 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (FCC ID: 2BTFQ-WL100) [Sugar Sound, LLC] (“th e applicant”) certifies that, as of th e dat e of th e filin g of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, Lidong Yuan Owner Sugar Sound, LLC 1644 Chapleau Dr, Ann Arbor, MI 48103

Attestation Statements (2026-02-03) TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA RE: Attestation Statements Part 2.911(d)(7) request for (FCC ID: 2BTFQ-WL100) (Sugar Sound, LLC), the undersigned, hereby authorize (Sugar Sound, LLC) to act as our designated U.S. agent for service of process,( Sugar Sound, LLC) accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. (Sugar Sound, LLC) accepts the responsibility to act as designated U.S. agent for service of process. Applicant Information ： Company name: Sugar Sound, LLC Contact Name: Lidong Yuan Address: 1644 Chapleau Dr, Ann Arbor, MI 48103 FRN: 0037699204 Telephone No: (734) 756-4874 Email: [email protected] Signature [Lidong Yuan] U.S. Agent Information: Company Name: Sugar Sound, LLC Address: 1644 Chapleau Dr, Ann Arbor, MI 48103 FRN: 0037699204 Contact Name: Lidong Yuan Telephone No: (734) 756-4874 Email: [email protected] Signature [Lidong Yuan]

Sugar Sound, LLC 2026-02-03 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Guangdong Global Testing Technology Co., Ltd. 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). This agreement expires one year from the current date. Sincerely, Lidong Yuan Owner Sugar Sound, LLC 1644 Chapleau Dr, Ann Arbor, MI 48103

Sugar Sound, LLC 2026-02-03 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (EUT Name: Wireless Control Box /Model: ZTS-WL100/FCC ID: 2BTFQ-WL100) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the (Block Diagram, Operational Description, Schematics) required to be submitted with this application be permanently withheld from public review. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Please contact me if there is any information you may need. Sincerely, Lidong Yuan Owner Sugar Sound, LLC 1644 Chapleau Dr, Ann Arbor, MI 48103

External

Model: ZTS-WL100 FCC ID: 2BTFQ-WL100 Model: ZTS-WL100 FCC ID: 2BTFQ-WL100 FCC ID LABEL FORMAT AND LOCATION Applicant: Sugar Sound, LLC FCC ID: 2BTFQ-WL100 FCC label size: 40×20 mm. Font: Arial, minimum 7 pt for FCC ID.

Internal 2.4G Custom Antenna

RF EXPOSURE EVALUATION According to FCC 1.1310: 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) FCC ID: 2BTFQ-WL100 EUT Specification EUT Wireless Control Box Frequency band (Operating) 2425MHz Device category Portable (<20cm separation) Mobile (>20cm separation) Exposure classification Occupational/Controlled exposure (S = 5mW/cm 2 ) General Population/Uncontrolled exposure (S=1mW/cm 2 ) Antenna diversity Single antenna Multiple antennas Tx diversity Rx diversity Tx/Rx diversity Max. output power -22.46dBm(0.0057mW) Antenna gain (Max) 3.3 dBi Evaluation applied MPE Evaluation SAR Evaluation 2 / 3 Limits for Maximum Permissible Exposure(MPE) Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density(mW/cm 2 ) Average Time (A) Limits for Occupational/Control Exposures 300-1500 -- -- F/300 6 1500-100000 -- -- 5 6 (B) Limits for General Population/Uncontrol Exposures 300-1500 -- -- F/1500 6 1500-100000 -- -- 1 30 Friis transmission formula: Pd=(Pout*G)\(4*pi*R2) Where P d = Power density in mW/cm 2 , P out =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=20cm P d the limit of MPE, 1mW/cm 2 . If we know the maximum gain of the antenna and total power input to the antenna, through the calculation, we will know the distance where the MPE limit is reached. For multiple RF sources: Multiple RF sources are exempt if: in the case of fixed RF sources operating in the same time-averaging period, or of multiple mobile or portable RF sources within a device operating in the same time averaging period, if the sum of the fractional contributions to the applicable thresholds is less than or equal to 1 as indicated in the following equation Evaluated k : the maximum reported SAR or MPE of fixed, mobile, or portable RF source k either in the device or at the transmitter site from an existing evaluation at the location of exposure. Exposure Limit k : either the general population/uncontrolled maximum permissible exposure (MPE) or specific Absorption rate (SAR) limit for each fixed, mobile, or portable RF source k. 3 / 3 Measurement Result Mode Max Measured Power (dBm) Tune up tolerance (dBm) Max tune up conducted power(dBm) Output Peak power (mW) Ant. Gain (dBi) Ant. Gain (numeric) Power density at 20cm (mW/ cm 2 ) Power density Limits (mW/ cm 2 ) Results Matter -22.46 -22±1 -21 0.0079 3.3 2.138 0.000003 1 PASS Signature: Shawn Wen Date: 2026-1-31

1 Antenna Datasheet 2.4 GHz Black Rubber Antenna Model: BW2.4JWX110-10KK BAT WIRELESS Website: www.batwireless.cn Version: July-1-2025-A01 Date: July 1, 2025 2 BAT WIRELESS Antenna Datasheet 2.4G Black Rubber Duck Antenna Model: BW2.4JWX110-10KK Description: 2.4G black rubber duck antenna with SMA female connector. Features: • Frequency range: 2400–2500 MHz • SMA female connector Structure: Foldable 360° omnidirectional radiation Dimensions: 108 mm × Ø10 mm Compliant with RoHS & REACH requirements www.batwireless.cn 3 Table of Contents • 1. Product Description • 2. Specifications • 3. Product Photos • 4. Mechanical Drawing • 5. Test Equipment • 6. Performance Data • 6.1 VSWR • 6.2 Return Loss • 6.3 Gain • 6.4 Efficiency • 6.5 Gain and Efficiency vs. Frequency • 7. Radiation Patterns • 7.1 2D Radiation Patterns • 7.2 3D Radiation Patterns • Document Record / Change Log • Company Contact Information Legal Statement Shenzhen Bat Wireless Technology Co., Ltd. ("BAT WIRELESS") strives to provide users with detailed and accurate product information in this manual. However, because the content may change over time, BAT WIRELESS cannot guarantee that this document is always current or applicable in every situation. BAT WIRELESS reserves the right to update the contents of this manual without prior notice. To obtain the latest information, please visit the official BAT WIRELESS website regularly or contact BAT WIRELESS staff. Copyright Notice: All contents of this manual (including text, charts, logos, and design) are protected by copyright laws and international copyright treaties. No organization or individual may copy, modify, distribute, or use any part of this manual in any form (including electronic, mechanical, or photocopying methods) without prior written authorization from BAT WIRELESS. Infringers will bear corresponding legal liability. All rights reserved. Trademark Notice: Product names and corporate identifiers appearing in this manual are legally owned by BAT WIRELESS (including its affiliates). Any unauthorized use, copying, or imitation is strictly prohibited. Third-party trademarks referenced in this manual belong to their respective owners and are used for descriptive purposes only; they do not imply any commercial relationship or authorization. BAT WIRELESS reserves all rights to pursue legal action for infringement. Disclaimer: The product information in this manual is for reference only. Actual performance may vary depending on the use environment and configuration differences. BAT WIRELESS makes no express or implied warranties regarding the accuracy, completeness, or applicability of the contents, and shall not be liable for any direct or indirect losses arising from the use of or inability to use this manual. Users should evaluate product suitability and follow proper operating practices. Final interpretation rights belong to BAT WIRELESS. 4 1. Product Description Typical Application Scenarios: • Industry 4.0: Real-time monitoring for CNC machines • Smart Healthcare: Surgical robot control • Intelligent Transportation: Railway catenary/contact-line monitoring • Energy IoT: Substation inspection robots The BAT WIRELESS BW2.4JWX110-10KK is a high-performance omnidirectional antenna designed for devices that require frequent movement or temporary networking. It uses a high-quality plastic (ABS) housing and a foldable structure, providing stable and reliable signal transmission and reception. Its compact rubber-antenna form factor makes it easy to install, transport, and carry. BAT WIRELESS also provides customization services to optimize your device. Our experienced R&D team can respond quickly to your requirements. If you have any requests, please contact our Sales or FAE team. Part Number Definition: Code Meaning Description / Value BW Company BAT WIRELESS 2.4 Frequency Band 2400-2500 MHz J Name Rubber antenna W Type External X Constant X 110-10 Approx. Dimensions 110-10 mm K Feature Foldable K Connector SMA female Full Part Number: BW2.4JWX110-10KK 5 2. Specifications Key specifications for model BW2.4JWX110-10KK are listed below. Parameter Value Unit Notes Antenna Type Rubber antenna Frequency Range 2400-2500 MHz Input Impedance 50 Ohm VSWR < 1.5 Gain (typ.) 3.3 dBi Polarization Vertical Power Capacity 50 W Lightning Protection - DC Voltage - V Radiator - Dimensions 108 x Ø10 mm Connector Type SMA Female Cable Type - Cable Length - mm Mounting Method Screw-on Color Black Material ABS Weight - g Waterproof Rating - RoHS Compliant Yes Operating Temperature -45 to +85 °C Storage Temperature -45 to +85 °C Original Datasheet Page 4 (Specifications Table) 6 3. Product Photos Photo of the antenna (foldable rubber antenna with SMA female connector). Product Photo (Original Datasheet Page 5) 4. Mechanical Drawing Mechanical drawing and dimensions of BW2.4JWX110-10KK. 7 Mechanical Drawing (Original Datasheet Page 6) 8 5. Test Equipment The antenna performance data in this datasheet was measured using the following equipment and a multi-probe spherical near-field test system (DT-3500). • Keysight E5071C Network Analyzer • Rohde & Schwarz CMW500 Radio Communication Tester • Rohde & Schwarz SMBV100B Vector Signal Generator • DT-3500 Multi-Probe Spherical Near-Field Test System (400 MHz to 8.5 GHz) DT-3500 System (Typical) Specifications: Item Value Test Frequency 400 MHz - 8.5 GHz System Size (L x W x H) 4 x 3.5 x 3.5 m Number of Probes 23 probes + 1 link Interval Angle 15° Sampling Diameter 2200 mm Carrying Capacity <= 40 kg 9 Test Equipment and DT-3500 Summary (Original Datasheet Page 7) 10 11 RF Link Diagram of Near-Field Test System (Original Datasheet Page 8) 6. Performance Data 6.1 VSWR The following plot shows the measured Voltage Standing Wave Ratio (VSWR) over frequency. 6.2 Return Loss The following plot shows the measured return loss over frequency. 12 VSWR and Return Loss Plots (Original Datasheet Page 9) 13 6.3 Gain and 6.4 Efficiency (Key Points) Measured maximum gain a…

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TRF No.: 04-E001-0B TRF Originator: GTG TRF Date: 2023-12-13 Web: www.gtggroup.com E-mail: [email protected] Tel.: 86-400 755 8988 CFR 47 FCC PART 15 SUBPART C TEST REPORT For Wireless Control Box MODEL NUMBER: ZTS-WL100 REPORT NUMBER: E04A25120953F00101 ISSUE DATE: January 28, 2026 FCC ID: 2BTFQ-WL100 Prepared for Sugar Sound, LLC 1644 Chapleau Dr, Ann Arbor, MI 48103 Prepared by Guangdong Global Testing Technology Co., Ltd. Room 101-105, 203-210, Building 1, No.2, Keji 8 Road, Songshan Lake Park, Dongguan city, Guangdong, People’s Republic of China, 523808 This report is based on a single evaluation of the submitted sample(s) of the above mentioned product, it does not imply an assessment of the production of the products. This report shall not be reproduced, except in full, without the written approval of Guangdong Global Testing Technology Co., Ltd. REPORT NO.: E04A25120953F00101 Page 2 of 48 TRF No.: 04-E001-0B Global Testing , Great Quality. Revision History Rev. Issue Date Revisions Revised By V0 January 28, 2026 Initial Issue REPORT NO.: E04A25120953F00101 Page 3 of 48 TRF No.: 04-E001-0B Global Testing , Great Quality. Summary of Test Results Test Item Clause Limit/Requirement Result Antenna Requirement N/A FCC Part 15.203/15.247 (c) Pass AC Power Line Conducted Emission ANSI C63.10-2020, Clause 6.2 FCC Part 15.207 N/A Conducted Output Power ANSI C63.10-2020, Clause 11.9.1.3 FCC Part 15.247 (b)(3) Pass 6dB Bandwidth and 99% Occupied Bandwidth ANSI C63.10-2020, Clause 11.8.1 FCC Part 15.247 (a)(2) Pass Power Spectral Density ANSI C63.10-2020, Clause 11.10.2 FCC Part 15.247 (e) Pass Conducted Band edge and spurious emission ANSI C63.10-2020, Clause 11.11 FCC Part 15.247(d) Pass Radiated Band edge and Spurious Emission ANSI C63.10-2020, Clause 11.11 & Clause 11.12 FCC Part 15.205/15.209 Pass Duty Cycle ANSI C63.10-2020, Clause 11.6 None; for reporting purposes only. Pass *This test report is only published to and used by the applicant, and it is not for evidence purpose in China. *The measurement result for the sample received is <Pass> according to <CFR 47 FCC PART 15 SUBPART C(DTS)> when <Accuracy Method> decision rule is applied. REPORT NO.: E04A25120953F00101 Page 4 of 48 TRF No.: 04-E001-0B Global Testing , Great Quality. CONTENTS 1. ATTESTATION OF TEST RESULTS..................................................................................... 5 2. TEST METHODOLOGY......................................................................................................... 6 3. FACILITIES AND ACCREDITATION..................................................................................... 6 4. CALIBRATION AND UNCERTAINTY ................................................................................... 7 4.1. MEASURING INSTRUMENT CALIBRATION ........................................................... 7 4.2. MEASUREMENT UNCERTAINTY ............................................................................ 7 5. EQUIPMENT UNDER TEST .................................................................................................. 8 5.1. DESCRIPTION OF EUT ........................................................................................... 8 5.1. CHANNEL LIST ........................................................................................................ 8 5.2. MAXIMUM CONDUCTED OUTPUT POWER ........................................................... 9 5.3. TEST CHANNEL CONFIGURATION ........................................................................ 9 5.4. THE WORSE CASE POWER SETTING PARAMETER ............................................ 9 5.5. DESCRIPTION OF AVAILABLE ANTENNAS ........................................................... 9 5.6. SUPPORT UNITS FOR SYSTEM TEST ................................................................. 10 5.7. SETUP DIAGRAM .................................................................................................. 10 6. MEASURING EQUIPMENT AND SOFTWARE USED......................................................... 11 7. ANTENNA PORT TEST RESULTS ..................................................................................... 12 7.1. Conducted Output Power ........................................................................................ 12 7.2. 6dB Bandwidth ........................................................................................................ 14 7.1. Power Spectral Density ........................................................................................... 16 7.2. Conducted Band edge and spurious emission ........................................................ 17 7.3. Duty Cycle .............................................................................................................. 19 8. RADIATED TEST RESULTS ............................................................................................... 20 9. ANTENNA REQUIREMENT ................................................................................................ 33 10. AC POWER LINE CONDUCTED EMISSION ......................................................... 34 11. TEST DATA - Appendix A ..................................................................................... 36 REPORT NO.: E04A25120953F00101 Page 5 of 48 TRF No.: 04-E001-0B Global Testing , Great Quality. 1. ATTESTATION OF TEST RESULTS Applicant Information Company Name: Sugar Sound, LLC Address: 1644 Chapleau Dr, Ann Arbor, MI 48103 Manufacturer Information Company Name: Sugar Sound, LLC Address: 1644 Chapleau Dr, Ann Arbor, MI 48103 EUT Information Product Description: Wireless Control Box Model: ZTS-WL100 Series Model: N/A Brand: Sugar Sound Sample Received Date: December 26, 2025 Sample Status: Normal Sample ID: A25120953 0031 Date of Tested: December 26, 2025 to January 23, 2026 APPLICABLE STANDARDS STANDARD TEST RESULTS CFR 47 FCC PART 15 SUBPART C Pass Prepared By: Checked By: Poal Chen Alan He Project Engineer Laboratory Leader Approved By: …

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Radiated Band edge and Spurious Emission