2AUFQZLD-300UAGPS Tracker & Messenger

USER MANUAL ZTACOM 1 Contents 1. Introduction ...................................................................................................................................................... 2 1.1. What does iM provide? ..................................................................................................................... 2 1.2. What is LoRa? ......................................................................................................................................... 2 1.3. Service Architecture ............................................................................................................................. 2 2. Functions............................................................................................................................................................ 3 3. Specifications ................................................................................................................................................... 3 4. Device Size ........................................................................................................................................................ 5 5. Service Operation (Mobile Application)............................................................................................... 5 5.1. QR Code ................................................................................................................................................... 5 5.2. Mobile Application ............................................................................................................................... 6 2 1. Introduction 1.1. What does iM provide? iM has a unique communication function that can be used in both non-communicable areas and communicable areas with LoRa technology. It has significantly improved working distance compared to existing smart devices. iM uses GPS and sensing functions to check your child’s location and real-time information about the situation of the vehicle. iM also has helpful built-in smart health are function. 1.2. What is LoRa? LoRa (Long Range) is a low-power wide-area network (LPWAN) technology. It is a spread spectrum modulation technique derived from chirp spread spectrum (CSS) technology. 1.3. Service Architecture The iM device working as a master connects to a smartphone via Bluetooth. iM devices are connected by LoRa communication technology. You can check the location and status of other devices with LoRa modules through the smartphone's mobile application. The information delivered through the iM device is sent to the server through the mobile application, which allows the devices to form a community (Cloud Service). 1 iM 0.5~4 mi No limit 200 ft Bluetooth LE LoRa Cloud Service 3 2. Functions ① Power button ② SOS/Function button ③ LED ④ Charge 3. Specifications (1) Long range Low Power LoRa RF Transceiver Internal Antenna  32-bit ARM® Cortex®-M0+, 192KB Flash Memory (LoRa)  32-bit ARM® Cortex®-M3, 128KB Flash Memory (BLE) (2) Tracking & Positioning  1.5GHz GNSS Acquisition (GPS/GLONASS)  2.4GHz BLE indoor positioning(optional) ① ② ③ ④ 4 (3) Embedded Sensors  3D accelerometer: ±2~16g, fall detection  3D accelerometer: ±2~16g, fall detection  3D gyroscope: ±125~2000 dps  Temperature: -40~120@±0.5/1°C accuracy  Humidity: 0 ~ 100%RH@±3.5/5%RH  Barometer: 260~1260hPa@±0.1/1hPa absolute accuracy (4) Operating Temperature  -20°C to + 80°C (5) Dimensions  L 48x W 48x H 13mm (6) Polycarbonate/ABS Housing (7) Status LED Indicator  Indicating device status: Low Battery, Network connection, Alert Events, etc. (8) Push Button (2ea) with Tactile Feedback  On/Off, Emergency Call (9) Bluetooth LE 4.2 Internal Antenna  BLE Advertising (Beacon Broadcasting) applicable for indoor positions  OTA/P2P Firmware upgrading & easy pairing via smartphone  For history dumping of data logger or device operation scenario changing (10) Battery  Rechargeable Lithium Polymer battery with micro-USB 5-pin connector 5 4. Device Size iM plus is designed to be compact and portable. 5. Service Operation (Mobile Application) We provide two type of applications which are Android and iOS to manage and utilize iM Plus. You can download the applications through Google Play and Apple Store with below QR codes. 5.1. QR Code iOS (Apple Store) Android (Google Play) 6 5.2. Mobile Application A. Device Connection to Smartphone with BLE In order for the device to connect with the smartphone, it is necessary to click the right button to enable BLE to advertise. You can see the list of iM devices around you and choose the yours. B. Transmit GPS (location) and Environment information Click the button 7 Sensors - Temperature - Humidity - Barometric GPS Pedometer 8 The iM provides the latest place and the location history feature. The iM app shows you the latest locations of your lost items and the users of iM keep you up to date with your lost items. You can also check environmental factors (temperature, humidity, air pressure). The iM device provides a pedometer service. You can see how long you walk or run and how much burn your calories. C. Direct Message and Smart Alerts You can text your iM members in a no-cell-coverage area. You can send or receive Individual messages, Group messages and smart alerts. iM device detects various physical events (fall and impact) and notifies you through the iM app. Press the emergency button on your iM device to let your friends know about your SOS. FCC Information This device complies with part 15 of the FCC Results. Operation is subject to the following two conditions : (1) This Device may not cause harmful interface, and (2) This device must accept any interference received, including interference that may cause undesired operation. Note: This equipment has been tested and found to comply with the limits for CLASS B digital device, pursuant to Part 15 of FCC Rules. These limits are designed to provide reasonable protection against harmful interference w…

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ZTACOM Co.,Ltd Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: March 16, 2021 Subject; Request for Confidentiality FCC ID: 2AUFQZLD-300UA 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 indefinitely. • Schematic Diagram • Block Diagram • Part List • Operational Description 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. In additional to above mentioned documents, pursuant to Public Notice DA 04-1705 of the Commission' s policy, in order to comply with the marketing regulations in 47 CFT §2.803 and the importation rules in 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices. We are requesting the commission to grant shot-term confidentiality request on the following attachment(s) for 180 days after the grant as outlined in Public Notice DA 04-1705. • External Photos • Internal Photos • Test Setup Photos • User Manual 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: Byungmin Park Title: Director of Technology

ZTACOM Co.,Ltd Company : ZTACOM Co.,Ltd Address : 103-510, KT Daeduk 2 Research Center, 70, Yuseong-daero-1689beon-gil, Yuseong-gu, Daejeon, 34047, South Korea Product Name : GPS Tracker & Messenger Model Number : ZLD-300U FCC Identifier : 2AUFQZLD-300UA We authorize MiCOM Labs Inc, 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the above named equipment. Any individual within MiCOM Labs is authorized to act on our behalf and take action on the application. We declare that MiCOM Labs Inc, 575 Boulder Court, Pleasanton, California 94566, USA, 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 MiCOM Labs on our behalf shall have the same effect as acts of our own. Name: Byungmin Park Date: March 16, 2021 Title: Director of Technology Signature of applicant:

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Page 1 of 1 IDENTIFICATION LABEL: PROPOSED FCC ID LABEL The FCC ID shall be permanently affixed in the rear side of the equipment

Page 1 of 8 Page 2 of 8 Page 3 of 8 Page 4 of 8 Page 5 of 8 Page 6 of 8 GPS: FPCB Antenna Page 7 of 8 LoRa(900 MHz): FPCB Antenna Page 8 of 8 Bluetooth LE: Chip Antenna

Page 1 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) FCC SAR Test Report Test Report No. : OT-214-RWD-016 Reception No. : 2102000816 Applicant : ZTACOM Co., Ltd Address : 103-510, KT Daeduk 2 Research Center, 70, Yuseong-daero-1689beon-gil, Yuseong-gu, Daejeon, 34047, South Korea Manufacturer : ZTACOM Co., Ltd. Address : Unit1301, 165, Magokjungang-ro, Gangseo-gu, Seoul, Republic of Korea Type of Equipment : GPS Tracker & Messenger FCC ID : 2AUFQZLD-300UA Model Name : ZLD-300U Multiple Model Name: N/A Serial number : N/A Total page of Report : 68 pages (including this page) Date of Incoming : Feb. 22, 2021 Date of Test : Apr. 05, 2021 ~ Apr. 06, 2021 Date of issue : Apr. 07, 2021 SUMMARY The equipment complies with the regulation; CFR §2.1093. This test report only contains the result of a single test of the sample supplied for the examination. It is not a generally valid assessment of the features of the respective products of the mass-production. Reviewed by: Approved by: No Gyun, Im / Senior Manager ONETECH Corp. Jung Wook Kim / Technical Manager ONETECH Corp. Page 2 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Revision history Report No. Reason for Change Date Issued OT-214-RWD-016 Initial release 2021-04-07 Page 3 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) TABLE OF CONTENTS 1. Summary of Maximum SAR Value ............................................................................ 4 2. Device Under Test ..................................................................................................... 4 3. INTRODUCTION ...................................................................................................... 7 4. DOSIMETRIC ASSESSMENT .................................................................................. 9 5. TEST CONFIGURATION POSITIONS .................................................................... 10 6. RF EXPOSURE LIMITS .......................................................................................... 11 7. FCC MEASUREMENT PROCEDURES .................................................................. 12 8. RF CONDUCTED POWERS .................................................................................. 13 9. SYSTEM VERIFICATION ....................................................................................... 16 10. SAR TEST DATA SUMMARY .................................................................................. 18 11. FCC MULTI-TX AND ANTENNA SAR CONSIDERATIONS .................................... 20 12. EQUIPMENT LIST .................................................................................................. 22 13. MEASUREMENT UNCERTAINTIES ....................................................................... 23 14. CONCLUSION ........................................................................................................ 24 15. REFERENCES ....................................................................................................... 25 APPENDIX A: SYSTEM VERIFICATION ................................................................................... 27 APPENDIX B: SAR TEST DATA ................................................................................................ 30 APPENDIX C: PROBE & DIPOLE ANTENNA CALIBRATION ................................................... 33 APPENDIX D: SAR TISSUE SPECIFICATIONS ........................................................................ 61 APPENDIX E: SAR SYSTEM VALIDATION ............................................................................... 63 APPENDIX F: DUT ANTENNA DIAGRAM & SAR TEST SETUP PHOTOGRAPHS .................. 64 Page 4 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) 1. Summary of Maximum SAR Value Equipment Class Band & Mode Tx Frequency SAR 1 g Body (W/kg) DSS LoRa (125 KHz) 902.3 ~ 914.9 MHz 0.67 DTS LoRa (500 KHz) 903.0 ~ 914.2 MHz 0.70 DTS Bluetooth LE 2 402 ~ 2 480 MHz 0.05 Simultaneous SAR per KDB 690783 D01v01r03: 0.75 This wireless portable device has been shown to be capable of compliance for localized specific absorption rate (SAR) for uncontrolled environment/general population exposure limits specified in ANSI/IEEE C95.1-1992 and has been tested in accordance with the measurement procedures specified in Section 7 of this report. Note 1: Per FCC KDB Publication 447498 D01, Bluetooth LE SAR was not required. So, this is the estimated SAR value for simultaneous transmission assessment involving the transmitter. 2. Device Under Test 2.1. DUT Information DUT Type GPS Tracker & Messenger FCC ID 2AUFQZLD-300UA Model Name ZLD-300U Additional Model Name(s) - Antenna Type Fixed Internal Antenna - LoRa: FPCB Antenna (Gain: - 2.9 dBi) DUT Stage Identical Prototype 2.2. Device Overview Band & Mode Operating Modes Tx Frequency LoRa (Bandwidth: 125 KHz) Data 902.3 ~ 914.9 MHz LoRa (Bandwidth: 500 KHz) Data 903.0 ~ 914.2 MHz Bluetooth LE Data 2 402 ~ 2 480 MHz 2.3. Power Reduction for SAR There is no power reduction used for any band/mode implemented in the device for SAR purposes. 2.4. Nominal and Maximum Output Power Specifications This device operates using the following maximum and nominal output power specifications. SAR values were scaled to the maximum allowed power to determine compliance per KDB Publication 447498 D01 v06. Maximum LoRa Output Power Mode / Band Modulated Average (dBm) LoRa (125, 500 KHz) Maximum 17.0 Nominal 16.0 Page 5 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43…

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Page 33 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) APPENDIX C: PROBE & DIPOLE ANTENNA CALIBRATION Page 34 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 35 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 36 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 37 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 38 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 39 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 40 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 41 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 42 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 43 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 44 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 45 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 46 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 47 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 48 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 49 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 50 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 51 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 52 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 53 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 54 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599)

Page 55 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 56 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 57 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 58 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 59 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 60 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Page 61 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) APPENDIX D: SAR TISSUE SPECIFICATIONS Measurement Procedure for Tissue verification: 1) The network analyzer and probe system were configured and calibrated. 2) The probe was immersed in the tissue. The tissue was placed in a nonmetallic container. Trapped air bubbles beneath the flange were minimized by placing the probe at a slight angle. 3) The complex admittance with respect to the probe aperture was measured. 4) The complex relative permittivity ε r can be calculated from the below equation (Pournaropoulos and Misra): Table D-1 Composition of the Tissue Equivalent Matter Frequency (MHz) 900 Tissue Head Ingredients (% by weight) Bactericide 0.1 DGBE HEC 1 NaCl 1.45 Sucrose 57 Tween 20 Water 40.45 Table D-2 Recommended Tissue Dielectric Parameters (IEC 62209-1) Page 62 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Figure D-1 Liquid Height for Head & Body Position (SAM Twin Phantom) Figure D-2 Liquid Height for Body Position (ELI Phantom) Page 63 of 68 Report No. OT-214-RWD-016 EMC-003 (Rev.2) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) APPENDIX E: SAR SYSTEM VALIDATION Per FCC KDB Publication 865664 D02v01r02, SAR system validation status should be documented to confirm measurement accuracy. The SAR systems (including SAR probes, system components and software versions) used for this device were validated against its performance specifications prior to the SAR measurements. Reference dipoles were used with the required tissue-equivalent media for system validation, according to the procedures outlined in FCC KDB Publication 865664 D01v01r04 and IEEE 1528-2013. Since SAR probe calibrations are frequency dependent, each probe calibration point was validated at a frequency within the valid frequency range of the probe calibration point, using the system that normally operates with the probe for routine SAR measurements and according to the required tissue-equivalent media. A tabulated summary of the system validation status including the validation date(s), measurement frequencies, SAR probes and tissue dielectric parameters has been included. Table E-1 SAR System Validation Summary – 1g SAR System Freq. (MHz) Date Probe SN Probe Cal Point Cond. (σ) Perm. (εr) CW VALIDATION MOD. VALIDATION SENSITIVITY PROBE LINEARITY PROBE ISOTROPY MOD. TYPE DUTY FACTO R PAR 4 750 2020.09.09 7610 750 Head 0.898 42.449 Pass Pass Pass N/A N/A N/A 4 900 2020.09.09 7610 900 Head 0.972 42.118 Pass Pass Pass GMSK PASS N/A 4 1750 2020.09.10 7610 1750 Head 1.342 39.217 Pass Pass Pass N/A N/A N/A 4 1950 2020.09.10 7610 1950 Head 1.430 39.014 Pass Pass Pass GMSK Pass N/A 4 2450 2020.09.11 7610 2450 Head 1.825 38.782 Pass Pass Pass OFDM/TDD Pass N/A Note: Wile the probes have been calibrated for both CW and modulated signals, all measurements were performed using communication systems calibrated for CW signals only. Modulations in the table above represent test configurations for which the measurement system has been validated per FCC KDB Publication 865664 D01v01r04 for scenarios when CW probe calibrations are used with other signal types. SAR systems were validated for modulated signals with a periodic duty cycle, such as GMSK, or with a high peak to average ratio (> 5 dB), such as OFDM according to FCC KDB Publication 865664 D01v01r04.

Page 1 of 50 Report No.: OT-214-RWD-010 It should not be reproduced except in full, without the written approval of ONETECH Corp. OTC-TRF-RF-001(0) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) ELECTROMAGNETIC EMISSION C OMPLIANCE REPORT FOR LOW-POWER, NON-LICENSED TRANSMITTER Test Report No. : OT-214-RWD-010 Reception No. : 2102000816 Applicant : ZTACOM Co.,Ltd Address : 103-510, KT Daeduk 2 Research Center, 70, Yuseong-daero-1689beon-gil, Yuseong-gu, Daejeon, 34047, South Korea Manufacturer : ZTACOM Co.,Ltd Address : Unit1301, 165, Magokjungang-ro, Gangseo-gu, Seoul, Republic of Korea Type of Equipment : GPS Tracker & Messenger FCC ID. : 2AUFQZLD-300UA Model Name : ZLD-300U Multiple Model Name : N/A Serial number : N/A Total page of Report : 50 pages (including this page) Date of Incoming : March 02, 2021 Date of issue : April 07, 2021 SUMMARY The equipment complies with the regulation; FCC PART 15 SUBPART C Section 15.247 This test report only contains the result of a single test of the sample supplied for the examination. It is not a generally valid assessment of the features of the respective products of the mass-production. Tested by Hyung-Kwon, Oh / Manager ONETECH Corp. Reviewed by Tae-Ho, Kim / Senior Manager ONETECH Corp. Approved by Ki-Hong, Nam / General Manager ONETECH Corp. Page 2 of 50 Report No.: OT-214-RWD-010 It should not be reproduced except in full, without the written approval of ONETECH Corp. OTC-TRF-RF-001(0) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) CONTENTS PAGE 1. VERIFICATION OF COMPLIANCE ............................................................................................................................. 6 2. TEST SUMMARY .............................................................................................................................................................. 7 2.1 TEST ITEMS AND RESULTS ............................................................................................................................................. 7 2.2 ADDITIONS, DEVIATIONS, EXCLUSIONS FROM STANDARDS ........................................................................................... 7 2.3 RELATED SUBMITTAL(S) / GRANT(S) ............................................................................................................................ 7 2.4 PURPOSE OF THE TEST ................................................................................................................................................... 7 2.5 TEST METHODOLOGY .................................................................................................................................................... 7 2.6 TEST FACILITY ............................................................................................................................................................... 7 3. GENERAL INFORMATION ............................................................................................................................................ 8 3.1 PRODUCT DESCRIPTION ................................................................................................................................................. 8 3.2 ALTERNATIVE TYPE(S)/MODEL(S); ALSO COVERED BY THIS TEST REPORT. ................................................................ 8 4. EUT MODIFICATIONS .................................................................................................................................................... 8 5. SYSTEM TEST CONFIGURATION ............................................................................................................................... 9 5.1 JUSTIFICATION ............................................................................................................................................................... 9 5.2 PERIPHERAL EQUIPMENT .............................................................................................................................................. 9 5.3 MODE OF OPERATION DURING THE TEST ...................................................................................................................... 9 -. CHANNEL LIST .................................................................................................................................................................. 11 5.4 CONFIGURATION OF TEST SYSTEM ............................................................................................................................. 13 5.5 ANTENNA REQUIREMENT ............................................................................................................................................ 13 6. PRELIMINARY TEST .................................................................................................................................................... 14 6.1 AC POWER LINE CONDUCTED EMISSIONS TESTS ....................................................................................................... 14 6.2 GENERAL RADIATED EMISSIONS TESTS ..................................................................................................................... 14 7. MAXIMUM PEAK OUTPUT POWER ......................................................................................................................... 15 7.1 OPERATING ENVIRONMENT ......................................................................................................................................... 15 7.2 TEST SET-UP ................................................................................................................................................................. 15 7.3 TEST DATE ..........................................................................................................…

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