SZV-STM550UTemperature and Humidity Sensor with transmitter

USER MANUAL STM 550 / EMSI – ENOCEAN MULTISENSOR FOR IOT APPLICATIONS © 2020 EnOcean | www.enocean.com F-710-017, V1.0 STM 550 / EMSI User Manual | v1.4 | November 2020 | Page 1/97 Patent protected: WO98/36395, DE 100 25 561, DE 101 50 128, WO 2004/051591, DE 103 01 678 A1, DE 10309334, WO 04/109236, WO 05/096482, WO 02/095707, US 6,747,573, US 7,019,241 Observe precautions! Electrostatic sensitive devices! EnOcean Multisensor For IoT Applications STM 550 / EMSI 17.11.2020 USER MANUAL STM 550 / EMSI – ENOCEAN MULTISENSOR FOR IOT APPLICATIONS © 2020 EnOcean | www.enocean.com F-710-017, V1.0 STM 550 / EMSI User Manual | v1.4 | November 2020 | Page 2/97 REVISION HISTORY The following major modifications and improvements have been made to this document: Version Author Reviewer Date Major Changes 1.0 MKA TM, EM, MH, MF 19.02.2020 First public release 1.1 MKA MKA 18.05.2020 Added description of mechanical interface Added description of product variants 1.2 MKA MKA 30.06.2020 Added illustration of backup battery interface 1.3 MKA MKA 03.09.2020 Added ARIB certificate 1.4 MKA MKA 17.11.2020 Update for revision DB-06 Published by EnOcean GmbH, Kolpingring 18a, 82041 Oberhaching, Germany www.enocean.com, [email protected], phone +49 (89) 6734 6890 © EnOcean GmbH, All Rights Reserved Important! This information describes the type of component and shall not be considered as assured characteristics. No responsibility is assumed for possible omissions or inaccuracies. Circuitry and specifications are subject to change without notice. For the latest product specifications, refer to the EnOcean website: http://www.enocean.com. As far as patents or other rights of third parties are concerned, liability is only assumed for modules, not for the described applications, processes and circuits. EnOcean does not assume responsibility for use of modules described and limits its liability to the replacement of modules determined to be defective due to workmanship. Devices or systems containing RF components must meet the essential requirements of the local legal authorities. The modules must not be used in any relation with equipment that supports, directly or indirectly, human health or life or with applications that can result in danger for people, animals or real value. Components of the modules are considered and should be disposed of as hazardous waste. Local government regulations are to be observed. Packing: Please use the recycling operators known to you. USER MANUAL STM 550 / EMSI – ENOCEAN MULTISENSOR FOR IOT APPLICATIONS © 2020 EnOcean | www.enocean.com F-710-017, V1.0 STM 550 / EMSI User Manual | v1.4 | November 2020 | Page 3/97 TABLE OF CONTENT 1 General description ........................................................................................ 7 1.1 Basic functionality ......................................................................................... 7 1.2 Product variants ............................................................................................ 8 1.3 Technical data ............................................................................................... 9 1.4 Environmental conditions ............................................................................... 9 1.5 Packaging information .................................................................................. 10 1.5.1 STM 550 ............................................................................................. 10 1.5.2 STM 550 installation kit ........................................................................ 10 1.5.3 EMSI .................................................................................................. 10 1.6 Ordering information ................................................................................... 10 2 Functional overview ..................................................................................... 11 2.1 Product description ...................................................................................... 11 2.2 Functional modes ........................................................................................ 11 2.2.1 Standard operation mode ..................................................................... 12 2.2.2 Standby (Sleep) mode .......................................................................... 12 2.2.3 Learn mode......................................................................................... 12 2.2.4 Function test mode .............................................................................. 12 2.2.5 Illumination test mode ......................................................................... 13 2.2.6 Acceleration test mode ......................................................................... 13 2.2.7 Factory reset mode .............................................................................. 13 2.3 Reporting interval ........................................................................................ 14 2.3.1 Energy considerations .......................................................................... 14 2.3.2 Standard reporting interval ................................................................... 15 2.3.3 Illumination-controlled reporting interval ................................................ 16 2.3.4 Temperature-controlled reporting interval ............................................... 17 2.3.5 Humidity-controlled reporting interval .................................................... 18 2.3.6 Acceleration-controlled reporting interval ................................................ 19 2.3.7 Magnet contact sensor-controlled reporting interval ................................. 20 2.3.8 Arbitration between reporting intervals ................................................... 20 3 Sensor functionality ..................................................................................... 21 3.1 Light level sensor ....................................................…

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EnOcean GmbH Kolpingring 18a 82041 Oberhaching Germany Phone +49.89.67 34 689-0 Fax +49.89.67 34 689-50 [email protected] www.enocean.com Managing Directors: Andreas Schneider, Dr. Peter Klein Registered Court Munich HRB 139781 VAT Reg.No. DE813355588 Account: HypoVereinsbank München No. 2440610 Bank Code 700 202 70 EnOcean GmbH Kolpingring 18a 82041 Oberhaching/Germany Armin Anders VP Business Development Phone +49 89 6734689-33 [email protected] Authority to Act as Agent FCC SUBJECT: FCC Application for “FCC ID: SZV-STM550U” To Whom It May Concern: We, the undersigned, hereby authorize Jason Stewart of VPI Laboratories at 313 W. 12800 S,. Suite 311, Draper UT 84020 to act as our agent and on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by VPI Laboratories on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely, Armin Anders FEDERAL COMMUNICATIONS COMMISSION 7435 Oakland Mills Road Columbia, MD 21046 U.S.A. Date: January 11, 2021

EnOcean GmbH | Kolpingring 18a | 82041 Oberhaching | Germany Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 U.S.A. FCC Confidentiality Request To Whom It May Concern: Pursuant to paragraphs 0.457(d) and 0.459 of the Commission’s rules (47 C.F.R.) and section 552(b)(4) of the Freedom of Information Act, EnOcean GmbH requests confidentiality for the following product(s): Applicant: EnOcean GmbH Model: STM 550U FCC ID: SZV-STM550U For the product(s) stated above, we request that the following information be held confidential. 1. Schematics 2. Block Diagram 3. Operational Description The above exhibits contain EnOcean GmbH trade secrets and proprietary information that could be of benefit to our competitors regarding the design of our product. This material is not customarily available to the general public and we request that it be withheld from public inspection. If you have any questions, please feel free to contact me. Sincerely, Armin Anders VP Business Development EnOcean GmbH Kolpingring 18a 82041 Oberhaching Germany www.EnOcean.com [email protected] Armin Anders VP Business Development T +49.89. 67 34 689 – 33 F +49 89. 67 34 689 – 55 [email protected] Date 25. Jan. 2021 Managing Directors Andreas Schneider, Dr. Peter Klein Registered Court Munich HRB 139781 VAT Reg.No. DE813355588 Account HypoVereinsbank München IBAN DE19700202700002440610 BIC HYVEDEMMXXX

313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 STM550U_ExtPho.docx Page 1 of 4 PROPRIETARY External Photographs Photograph 1 – Front View of the EUT Photograph 2 – Side 1 View 313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 STM550U_ExtPho.docx Page 2 of 4 PROPRIETARY Photograph 3 – Back View of the EUT Photograph 4 – Side 2 View 313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 STM550U_ExtPho.docx Page 3 of 4 PROPRIETARY Photograph 5 – Side 3 View Photograph 6 – Side 4 View 313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 STM550U_ExtPho.docx Page 4 of 4 PROPRIETARY Photograph 7 – PCB Placement View

STM 550U Label _______________________________________________________________________________________ _____________________________________________ © EnOcean www.enocean.com STM 550U Label: STM 550U Label Position on Device:

STM 550U Label _______________________________________________________________________________________ _____________________________________________ © EnOcean www.enocean.com STM 550U Label: STM 550U Label Position on Device:

313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 STM550U_IntPho.docx Page 1 of 3 PROPRIETARY Internal Photographs Photograph 1 – Front View of the Device Trace Antenna RF Shield 313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 STM550U_IntPho.docx Page 2 of 3 PROPRIETARY Photograph 2 – Back View of the Device 313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 STM550U_IntPho.docx Page 3 of 3 PROPRIETARY Photograph 3 – View of Circuitry Under the RF Shield

313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 STM550U_MPE.docx Page 1 of 1 PROPRIETARY 47 C.F.R. Part 1, Subpart I, Section 1.1310 47 C.F.R. Part 2, Subpart J, Section 2.1091 Maximum Permissible Exposure Calculations FCC ID: SZV-STM550U EUT Device Category = General Population/Uncontrolled Exposure EUT consists of one ISM band radio transmitting operating at a frequency of: 902.875 MHz MPE Summary: According subpart 1.1307 (b)(1) and 2.1091 systems operating under the provisions of this section shall be operated in a manner that ensures the public is not exposed to RF energy level in excess of the communication guidelines. Limits for General Population/Uncontrolled Exposure Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm2) Averaging Time (Minutes) 0.3-1.34 614 1.63 *(100) 30 1.34-30 824/f 2.19/f *(180/f2) 30 30-300 27.5 0.073 0.2 30 300-1500 / / f/1500 30 1500-100,000 / / 1.0 30 f = frequency in MHz; * = Plane-wave equivalent power density Calculated Formulary: Predication of MPE limit at a given distance S = power density (in appropriate units, e.g. mW/cm 2 ) R = distance to the center of radiation of the antenna (appropriate units, e.g., cm) PG = EIRP MPE and Limit are calculated as follows: f (MHz) Field Strength (dBuV/m) EIRP (mW) Power Density (mW/cm^2) Limit (mW/cm^2) ∆ 902.875 73.1 0.006 0.000001 0.6 0.599999 Result: The device meets FCC MPE limit at 20 cm for General Population/Uncontrolled Exposure as specified in 47 CRF §1.1310 and §2.1091.

313 West 12800 South, Suite 311 Draper, UT 84020 (801) 260-4040 Test Report Certification FCC ID SZV-STM550U Equipment Under Test STM 550U Test Report Serial No V055826_01 Date of Test January 6, 2021 Report Issue Date January 7, 2021 Test Specifications: Applicant: FCC Part 15, Subpart C EnOcean GmbH Kolpingring 18A Oberhaching 82041 Germany 313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 V055826_01_STM_550U_FCC_C.docx Page 2 of 33 PROPRIETARY Certification of Engineering Report This report has been prepared by VPI Laboratories, Inc. to document compliance of the device described below with the requirements of Federal Communications Commission (FCC) Part 15, Subpart C. This report may be reproduced in full. Partial reproduction of this report may only be made with the written consent of the laboratory. The results in this report apply only to the sample tested. Applicant EnOcean GmbH Manufacturer EnOcean GmbH Brand Name EnOcean Model Number STM 550U FCC ID SZV-STM550U On this 7 th day of January 2021, I, individually and for VPI Laboratories, Inc., certify that the statements made in this engineering report are true, complete, and correct to the best of my knowledge, and are made in good faith. Although NVLAP has accredited the VPI Laboratories, Inc. EMC testing facilities, this report must not be used to claim product certification, approval, or endorsement by NVLAP, NIST, or any agency of the federal government. VPI Laboratories, Inc. Tested by: Norman P. Hansen Reviewed by: Benjamin N. Antczak 313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 V055826_01_STM_550U_FCC_C.docx Page 3 of 33 PROPRIETARY Revision History Revision Description Date 01 Original Report Release January 7, 2021 313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 V055826_01_STM_550U_FCC_C.docx Page 4 of 33 PROPRIETARY Table of Contents 1 Client Information ................................................................................................................................. 5 1.1 Applicant ....................................................................................................................................... 5 1.2 Manufacturer ................................................................................................................................. 5 2 Equipment Under Test (EUT) ............................................................................................................... 6 2.1 Identification of EUT .................................................................................................................... 6 2.2 Description of EUT ....................................................................................................................... 6 2.3 EUT and Support Equipment ........................................................................................................ 6 2.4 Interface Ports on EUT ................................................................................................................. 6 2.5 Modification Incorporated/Special Accessories on EUT .............................................................. 6 2.6 Deviation from Test Standard ....................................................................................................... 6 3 Test Specification, Methods and Procedures ........................................................................................ 7 3.1 Test Specification .......................................................................................................................... 7 3.2 Methods & Procedures .................................................................................................................. 7 3.3 Test Procedure ............................................................................................................................ 10 4 Operation of EUT During Testing ...................................................................................................... 11 4.1 Operating Environment ............................................................................................................... 11 4.2 Operating Modes ......................................................................................................................... 11 4.3 EUT Exercise Software ............................................................................................................... 11 5 Summary of Test Results .................................................................................................................... 12 5.1 FCC Part 15, Subpart C .............................................................................................................. 12 5.2 Result .......................................................................................................................................... 12 6 Measurements, Examinations and Derived Results ............................................................................ 13 6.1 General Comments ...................................................................................................................... 13 6.2 Test Results ................................................................................................................................. 13 6.3 Sample Field Strength Calculation ............................................................................................. 19 7 Test Procedures and Test Equipment .................................................................................................. 21 7.1 Radiated Emissions ..................................................................................................................... 21 7.2 Equipment Calibration ................................................................................................................ 23 7.3 Measurement Uncertainty ..........................................................................................…

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313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 STM550U_Tsup.docx Page 1 of 6 PROPRIETARY Test Set Up Photographs Radiated Photograph 1: Front View Radiated Emissions, Below 1000 MHz Worst Case Configuration Photograph 2: Back View Radiated Emissions, Below 1000 MHz Worst Case Configuration 313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 STM550U_Tsup.docx Page 2 of 6 PROPRIETARY Photograph 3: Front View Radiated Emissions Worst Case – Above 1000 MHz Configuration Photograph 4: Back View Radiated Emissions Worst Case – Above 1000 MHz Configuration 313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 STM550U_Tsup.docx Page 3 of 6 PROPRIETARY Photograph 5: Vertical Configuration Photograph 6: Flat Configuration 313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 STM550U_Tsup.docx Page 4 of 6 PROPRIETARY Photograph 7: On Edge Configuration 313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 STM550U_Tsup.docx Page 5 of 6 PROPRIETARY Reference Test Set Up Photographs Photograph 8: Reference Photo of Test Setup for Emissions Below 30 MHz Photograph 9: Reference Photo of Test Setup for Emissions From 30 MHz to 1000 MHz 313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 STM550U_Tsup.docx Page 6 of 6 PROPRIETARY Photograph 10: Reference Photo of Test Setup for Emissions Above 1000 MHz