YZP-ETWBCLUL05Bluetooth Low Energy Module

User Manual PRODUCT NAME : Bluetooth Low Energy Module MODEL NAME : ETWBCLUL05 (00)-0073 The information contained herein is the exclusive property of LG Innotek and shall not be distributed, reproduced or disclosed in whole or no in part without prior written permission of LG Innotek. DesignedCheckedApproved LG InnotekCo., Ltd. H.S. KimJ.H. ChangS.D. Choi Document No. 2021.04.272021.04.272021.04.27 Page9 Copyrightⓒ. 2019. All Rights Reserved. Reg. Date : 2021.04.27 User Manual MODEL NAME : ETWBCLUL05 Rev. No : 1.0 Rev. Date : 2021.04.27Page : / 9 DOCUMENT No : LG Innotek Confidential : This document is protected by security policies and laws. [Restricted] Index NoDescriptionPage 1Features2 2Block Diagram2 3Absolute Maximum Ratings 3 4Recommendation operating conditions 4 5Standard test conditions4 6RF specifications5 7Pin description6 8Application Schematic7 9Mechanical Dimension8 10Outline Drawing9 1 Copyrightⓒ. 2019. All Rights Reserved. Reg. Date : 2021.04.27 User Manual MODEL NAME : ETWBCLUL05 Rev. No : 1.0 Rev. Date : 2021.04.27Page : / 9 DOCUMENT No : LG Innotek Confidential : This document is protected by security policies and laws. [Restricted] 1. Features ETWBCLUL05 is the ultra small size with antenna BT5.0 Low energy module. ETWBCLUL05 is based on nRF52810 (Nordic) solution. Supported data rates: 1Mbps, 2Mbps Bluetooth® low energy mode -20 to +4dBm TX power, configurable in 4dB steps ARM® Cortex®-M4 32-bit processor, 64MHz Support LDO and DC/DC regulator system Integrated 2.4GHz Antenna (Option) 192kB flash and 24kB RAM 12-bit, 200ksps, ADC-8 configurable channels with programmable gain Support GPIO, PDM, PWM, SPI, I2C, UART, 64 level comparator Size : 3.28 x 5.26 x 0.69mm Application: Health care and medical, Wearable, Enterprise lighting, Remote controls, Computer peripherals and I/O devices 2 Copyrightⓒ. 2019. All Rights Reserved. Reg. Date : 2021.04.27 User Manual MODEL NAME : ETWBCLUL05 Rev. No : 1.0 Rev. Date : 2021.04.27Page : / 9 DOCUMENT No : LG Innotek Confidential : This document is protected by security policies and laws. [Restricted] 3. Absolute maximum ratings ParameterMinMaxUnit VBAT-+3.9V Storage Humidity (40°C)-90% Storage Temperature-20+85°C MSL (Moisture Sensitivity Level) 3Level ESD HBM ±1 -kV Caution: Stresses exceeding the absolute maximum ratings in Table 1 may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only. ※Other conditions 1) Do not use or store modules in the corrosive atmosphere, especially where chloride gas, sulfide gas, acid, alkali, salt or the like are contained. Also, avoid exposure to moisture. 2) Store the modules where the temperature and relative humidity do not exceed 5 to 40°Cand 20 to 60%. 3) Assemble the modules within 6 months. Check the soldering ability in case of 6 months over. 4) MSL Level 3 (Floor Life Time : 168Hrs. / Condition : ≤30°C, 60% RH), Standard : IPC / JEDEC J-STD-020C < Table 1 > 3 Copyrightⓒ. 2019. All Rights Reserved. Reg. Date : 2021.04.27 User Manual MODEL NAME : ETWBCLUL05 Rev. No : 1.0 Rev. Date : 2021.04.27Page : / 9 DOCUMENT No : LG Innotek Confidential : This document is protected by security policies and laws. [Restricted] ParameterMinTypMaxUnit Ambient Temperature0-60°C Ambient Humidity (40°C)--85% Supply Voltage1.93.03.6Vdc 5. Standard test conditions The Test for electrical specification shall be performed under the following condition. Otherwise this following conditions, not guaranteed this performance. Temperature 25 ±5°C Humidity 65 ±5% Input powerSupply Voltage VBAT3.0V 5-1. Ambient condition 5-2. Power supply voltages ESD Min.Max.Unit Human Body Model (HBM) ±1 kV 5-3. ESD Information 4. Recommendation operating conditions 4 MSL Level 3 (Floor Life Time : 168Hrs. / Condition : ≤30°C, 60% RH) Standard : IPC / JEDEC J-STD-020C 5-4. MSL Note 1) Discharge : Contact, Interval : 1sec, Count : 1 time Condition : 100pF, 1500ohm, JEDC JESD22-A114 Copyrightⓒ. 2019. All Rights Reserved. Reg. Date : 2021.04.27 User Manual MODEL NAME : ETWBCLUL05 Rev. No : 1.0 Rev. Date : 2021.04.27Page : / 9 DOCUMENT No : LG Innotek Confidential : This document is protected by security policies and laws. [Restricted] 6. RF Specifications(Conducted Test) 5 PARAMETERTEST CONDITIONSMINTYPMAXUNIT Receiver sensitivity 1 Mbps Packet length<=37 bytes, BER=0.1%--94-80 dBm 2 MbpsPacket length<=37 bytes, BER=0.1%--91-80 Maximum received signalstrength Maximum received signal strength at < 0.1% BER -105-dBm Maximum output powerConducted Test04-dBm Modulation Characteristics 1 Mbps delta F1 average225-275kHz ratio(delta F2/delta F1 )80--% 2 Mbps delta F1 average450-550kHz ratio(delta F2/delta F1 )80--% Carrier frequency offset and drift 1 Mbps | f[n] | --150kHz | f0 –fn| --50kHz Carrier frequency offset and drift 2 Mbps | f[n] | --150kHz | f0 –fn| --50kHz Copyrightⓒ. 2019. All Rights Reserved. Reg. Date : 2021.04.27 User Manual MODEL NAME : ETWBCLUL05 Rev. No : 1.0 Rev. Date : 2021.04.27Page : / 9 DOCUMENT No : LG Innotek Confidential : This document is protected by security policies and laws. [Restricted] 7. Pin Description 6 Pin No.Pin NamePin Description 1ANT Sub LineAntenna Sub Pattern 2NCNC 3NCNC 4NCNC 5ANT FeedInternal Antenna Feeding 6GNDGround 7RF PortRF In / Out Port 8GNDGround 9GPIO20 (P0.20)General purpose I/O pin 10GPIO16 (P0.16)General purpose I/O pin 11GPIO15 (P0.15)General purpose I/O pin 12GPIO12 (P0.12)General purpose I/O pin 13NCNC 14AIN1 (P0.03)Analog input (General purpose I/O, COMP input, SAADC input) 15GNDGround 16XL2 (P0.01)General purpose I/O pin, Connection for 32.768kHz crystal 17XL1 (P0.00)General purpose I/O pin, Connection for 32.768kHz crystal 18NCNC 19VBATPower supply pin 20GNDGround 21DC DCINDC DCInductor connection…

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Letter of Authorization Company : LG Innotek Co., Ltd. Address : 26, Hanamsandan 5beon-ro Gwangsan-gu, 506-731, Gwangju, South Korea Product Name : Bluetooth Low Energy Module Model Number : ETWBCLUL05 FCC Identifier : YZP-ETWBCLUL05 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: Inchang Jeong Date: June 01, 2021 Title: Senior Research Engineer Signature of applicant:

FCC – Modular Approval Request Rev 2.0 Modular Transmitter Approval Request Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Company name: LG Innotek Co., Ltd. FCC ID: YZP-ETWBCLUL05 Gentlemen, In accordance with 47CFR 15.212 Modular Transmitters and KDB 996369 D01 ‘Module Certification Guide v01r04’. FCC ID YZP-ETWBCLUL05 has been examined against the following requirements. Requirement per 15.212 and KDB 996369 D01 ‘Modular Certification Guide v01r04 Explanation from Grantee (do not write yes/no, but explain why product complies/how it is achieved) The radio elements must have the radio frequency circuitry shielded. Physical components and tuning capacitor(s) may be located external to the shield, but must be on the module assembly Yes. The EUT provides the RF Shielding. See EUT photo. The module must have buffered modulation/data inputs to ensure that the device will comply with Part 15 requirements with any type of input signal Yes. The EVT has its buffered modulation. Please see the Schematic Diagram. The module must contain power supply regulation on the module Yes. The EVT has its own power supply regulation, Please see the Schematic Diagram The module must contain a permanently attached antenna, or contain a unique antenna connector, and be marketed and operated only with specific antenna(s), per Sections 15.203, 15.204(b), 15.204(c), 15.212(a), 2.929(b) Yes. The EUT meets the FCC antenna requirements; unique antenna connector and photo of antenna are shown in the test report. The module must demonstrate compliance in a stand-alone configuration Yes. The EUT was tested with a test board, Please see test report and setup photo. The module must be labelled with its permanently affixed FCC ID label, or use an electronic display (See KDB Publication 784748 about labelling requirements) Yes. Users manual, there are instructions give to the OEM on how to label the end product. The module must comply with all specific rules applicable to the transmitter including all the conditions provided in the integration instructions by the grantee Yes. The EUT is compliant with all applicable FCC rules. Details instructions for maintaining compliance are give in the User Manual. The module must comply with RF exposure requirements Yes. The EUT complies with RF exposure requirement. Name: Inchang Jeong Date: June 01, 2021 Title: Senior Research Engineer Signature of applicant:

Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: June 01, 2021 Subject; Request for Confidentiality FCC ID: YZP-ETWBCLUL05 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: Inchang Jeong Title: Senior Research Engineer

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LG Innotek Confidential : This document is protected by security policies and laws. [Restricted] FCC: YZP-ETWBCLUL05 IC: 7414C-ETWBCLUL05 HVIN:ETWBCLUL05

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Page 1 of 7 Report No.: OT-214-RWD-107 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-107 Reception No. : 2104001698 Applicant : LG Innotek Co., Ltd. Address : 26, Hanamsandan 5beon-ro Gwangsan-gu, Gwangju, 506-731, South Korea Manufacturer : LG Innotek Co., Ltd. Address : 26, Hanamsandan 5beon-ro Gwangsan-gu, Gwangju, 506-731, South Korea Type of Equipment : Bluetooth Low Energy Module FCC ID. : YZP-ETWBCLUL05 Model Name : ETWBCLUL05 Serial number : N/A Total page of Report : 7 pages (including this page) Date of Incoming : April 16, 2021 Date of issue : April 29, 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 7 Report No.: OT-214-RWD-107 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 ............................................................................................................................. 4 2. GENERAL INFORMATION ............................................................................................................................................ 5 2.1 PRODUCT DESCRIPTION ................................................................................................................................................. 5 2.2 ALTERNATIVE TYPE(S)/MODEL(S); ALSO COVERED BY THIS TEST REPORT. ................................................................ 5 3. EUT MODIFICATIONS .................................................................................................................................................... 5 4. MAXIMUM PERMISSIBLE EXPOSURE ...................................................................................................................... 6 4.1 RF EXPOSURE CALCULATION ....................................................................................................................................... 6 4.2 EUT DESCRIPTION ......................................................................................................................................................... 6 4.3 CALCULATED MPE SAFE DISTANCE............................................................................................................................. 7 Page 3 of 7 Report No.: OT-214-RWD-107 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) Revision History Rev. No. Issue Report No. Issued Date Revisions Section Affected 0 OT-214-RWD-107 April 29, 2021 Initial Release All Page 4 of 7 Report No.: OT-214-RWD-107 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) 1. VERIFICATION OF COMPLIANCE Applicant : LG Innotek Co., Ltd. Address : 26, Hanamsandan 5beon-ro Gwangsan-gu, Gwangju, 506-731, South Korea Contact Person : KIM HYUNG SUK / Engineer Telephone No. : +82-10-3999-6575 FCC ID : YZP-ETWBCLUL05 Model Name : ETWBCLUL05 Brand Name : - Serial Number : N/A Date : April 29, 2021 EQUIPMENT CLASS DTS – DIGITAL TRNSMISSION SYSTEM E.U.T. DESCRIPTION Modular Transmitter, Bluetooth Low Energy Module THIS REPORT CONCERNS Original Grant MEASUREMENT PROCEDURES ANSI C63.10: 2020 TYPE OF EQUIPMENT TESTED Pre-Production KIND OF EQUIPMENT AUTHORIZATION REQUESTED Certification EQUIPMENT WILL BE OPERATED UNDER FCC RULES PART(S) FCC PART 15 SUBPART C Section 15.247 KDB 558074 D01 15.247 Meas Guidance v05r02 Modifications on the Equipment to Achieve Compliance None Final Test was Conducted On 3 m, Semi Anechoic Chamber -. The above equipment was tested by ONETECH Corp. for compliance with the requirement set forth in the FCC Rules and Regulations. This said equipment in the configuration described in this report, shows the maximum emission levels emanating from equipment are within the compliance requirements. Page 5 of 7 Report No.: OT-214-RWD-107 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) 2. GENERAL INFORMATION 2.1 Product Description The LG Innotek Co., Ltd., Model ETWBCLUL05 (referred to as the EUT in this report) is a Bluetooth Low Energy Module. The product specification described herein was obtained from product data sheet or user’s manual. DEVICE TYPE Bluetooth Low Energy Module OPERATING FREQUENCY 2 402 MHz ~ 2 480 MHz MODULATION TYPE GFSK RF OUTPUT POWER 1 Mbps 3.31 dBm 2 Mbps 3.32 dBm ANTENNA TYPE PCB Antenna ANTENNA GAIN 0.08 dBi List of each Osc. or crystal Freq.(Freq. >= 1 MHz) 32 MHz 2.2 Alternative type(s)/model(s); also covered by this test report. -. None 3. EUT MODIFICATIONS -. None Page 6 of 7 Report No.: OT-214-RWD-107 It should not be reproduced except in full, without the written approval of ONETECH Corp. OTC-TRF-RF-001(0) ONETECH Corp.: 43-14, Ji…

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Page 1 of 47 Report No.: OT-214-RWD-106 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-106 Reception No. : 2104001698 Applicant : LG Innotek Co., Ltd. Address : 26, Hanamsandan 5beon-ro Gwangsan-gu, Gwangju, 506-731, South Korea Manufacturer : LG Innotek Co., Ltd. Address : 26, Hanamsandan 5beon-ro Gwangsan-gu, Gwangju, 506-731, South Korea Type of Equipment : Bluetooth Low Energy Module FCC ID. : YZP-ETWBCLUL05 Model Name : ETWBCLUL05 Serial number : N/A Total page of Report : 47 pages (including this page) Date of Incoming : April 16, 2021 Date of issue : April 29, 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 47 Report No.: OT-214-RWD-106 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 ............................................................................................................................. 5 2. TEST SUMMARY .............................................................................................................................................................. 6 2.1 TEST ITEMS AND RESULTS ............................................................................................................................................. 6 2.2 ADDITIONS, DEVIATIONS, EXCLUSIONS FROM STANDARDS ........................................................................................... 6 2.3 RELATED SUBMITTAL(S) / GRANT(S) ............................................................................................................................ 6 2.4 PURPOSE OF THE TEST ................................................................................................................................................... 6 2.5 TEST METHODOLOGY .................................................................................................................................................... 6 2.6 TEST FACILITY ............................................................................................................................................................... 6 3. GENERAL INFORMATION ............................................................................................................................................ 7 3.1 PRODUCT DESCRIPTION ................................................................................................................................................. 7 3.2 ALTERNATIVE TYPE(S)/MODEL(S); ALSO COVERED BY THIS TEST REPORT. ................................................................ 7 4. EUT MODIFICATIONS .................................................................................................................................................... 7 5. SYSTEM TEST CONFIGURATION ............................................................................................................................... 8 5.1 JUSTIFICATION ............................................................................................................................................................... 8 5.2 PERIPHERAL EQUIPMENT .............................................................................................................................................. 8 5.3 MODE OF OPERATION DURING THE TEST ...................................................................................................................... 9 5.4 CONFIGURATION OF TEST SYSTEM ............................................................................................................................. 12 6. PRELIMINARY TEST .................................................................................................................................................... 12 6.1 AC POWER LINE CONDUCTED EMISSIONS TESTS ....................................................................................................... 12 6.2 GENERAL RADIATED EMISSIONS TESTS ..................................................................................................................... 12 7. MINIMUM 6 DB BANDWIDTH .................................................................................................................................... 13 7.1 OPERATING ENVIRONMENT ......................................................................................................................................... 13 7.2 TEST SET-UP ................................................................................................................................................................. 13 7.3 TEST DATE ................................................................................................................................................................... 13 7.4 TEST DATA FOR 1 MBPS ............................................................................................................................................... 14 7.5 TEST DATA FOR 2 MBPS ............................................................................................................................................... 16 8. MAXIMUM PEAK OUTPUT POWER ....…

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