2AN76-SSD025Smart USB Dongle

Specification Rev. D 2024-07-24 1 © Smart Sensor Devices in Sweden AB Technical Specification Smart USB Dongle SSD025 Scope The document is a technical description of SMART SENSOR DEVICES Bluetooth Low Energy USB dongle white label product SSD025. The document defines the product technical features and specifications. Specification Rev. D 2024-07-24 2 © Smart Sensor Devices in Sweden AB Table of Contents Scope ....................................................................................................................................................... 1 1 Performance Data ................................................................................................................................. 3 2 Block Diagram ....................................................................................................................................... 4 3 Functional description .......................................................................................................................... 4 3.1. USB interface ................................................................................................................................ 4 3.2 Radio standard ............................................................................................................................... 4 3.3 Device Address .............................................................................................................................. 5 3.4 External Clock ................................................................................................................................ 5 3.5 Memory ......................................................................................................................................... 5 3.6 Antenna ......................................................................................................................................... 5 3.7 ESD Protection ............................................................................................................................... 6 3.8 Power Management Unit .............................................................................................................. 6 4 Printed Circuit Board ............................................................................................................................ 6 5 Enclosure .............................................................................................................................................. 7 6 Marking information ............................................................................................................................. 8 7 Regulatory requirements ...................................................................................................................... 9 8 Packaging information ........................................................................................................................ 10 +0.2dBi Specification Rev. D 2024-07-24 3 © Smart Sensor Devices in Sweden AB 1 Performance Data Parameter Value Bluetooth QDID QDID 165746 Host QDID 162131 Controller Model Name Operational Frequency Band [MHz] 2402-2480 Number Of Channels 40 Channels Channel Spacing [MHz] 2 Modulation GFSK Nominal Input[V] 5 Max Input [V] 5.25 Min Input [V] 4.75 Operational Max Temperature [⁰C] 65 Operational Min Temperature [⁰C] -20 Storage Max temperature [⁰C] 70 Storage Min temperature [⁰C] -30 Nominal Conducted RF Output Power [dBm] +5.6 Antenna Peak Antenna Gain [dB] Peak Current Consumption Active[mA] <10 USB Suspend Mode [mA] < 2.5 Power Supply USB VBUS Nominal RF Range [m] 25 Weight [g] 5 Complies with Bluetooth 5.2, ETSI EN 300 328 and FCC CFR47 Part 15 (US). SSD025/1,SSD025/2,SSD025/3,SSD025/4,SSD025/5,SSD025/6 Specification Rev. D 2024-07-24 4 © Smart Sensor Devices in Sweden AB 2 Block Diagram 3 Functional description confidential confidential Specification Rev. D 2024-07-24 5 © Smart Sensor Devices in Sweden AB 3.6 Antenna Antenna is to be implemented in PCB trace (IFA type) and tuned for 2.4GHz Band. The antenna system efficiency measurements are carried out in a scattered field chamber. The antenna system efficiency, 휀푇, is the ratio of the power delivered at the 50Ω antenna interface, 푃푡, relative to the power radiated from the antenna, 푃푟푎푑푖푎푡푒푑. 휀푇=푃푟푎푑푖푎푡푒푑푃푡 The antenna system efficiency can be expressed in dB or %, where 100% corresponds to 0dB. Antenna system efficiency Freq [Mhz]Antenna efficiency [dB] 2405 -8.4 2440 -4.1 2480 -6.3 The antenna efficiency is in the order of -5.5 to -6dB with the USB dongle positioned in a computer laptop. The maximum antenna peak gain is measured to be: USB dongle as stand-alone:-2.3dBi USB donglepositioned in a Lenovo laptop, display closed:+0.2dBi USB dongle positioned in a Lenovo laptop, display open:-0.2dBi Specification Rev. D 2024-07-24 6 © Smart Sensor Devices in Sweden AB 3.7 ESD Protection The unit is equipped with a TVS protection circuit on the USB interface. VBUS and data +/- lines is protected up to 8KV (contact) according to IEC 61000-4-2, level 4 (ESD) 3.8 Power Management Unit The Bluetooth SoC DA14695 has a complete integrated Power Management Unit (PMU). With several LDOs for the different power rails of the system. 4 Printed Circuit Board The PCB is a four-layer printed circuit board on FR4 material, gold plated. Specification Rev. D 2024-07-24 7 © Smart Sensor Devices in Sweden AB 5 Enclosure Plastic material assembled in two parts in PBT + 20% glass fiber. Specification Rev. D 2024-07-24 8 © Smart Sensor Devices in Sweden AB 6 Marking information The device is laser engraved with part number and regulatory information on the metal connector part. FCC and CE logo size requirement is minimum 5mm and font size must be 4pt or 1.5mm. Specification Rev. D 2024-07-24 9 © Smart Sensor Devices in Sweden AB 7 Regulatory requirements Complies with Radio Equipment Directive (RED) 2014/53/EU and US FCC ID. Complies with Restriction o…

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Form: RFT-AMER-TCB-OP-19n Revision: 1 Page 1 of 1 Date: 1/25/2023 Attention: Application Examiner Re: Covered List, located at https://www.fcc.gov/supplychain/coveredlist and 47 CFR parts §2.903 and §2.911(d)(5)(ii) of the FCC rules Applicant: Smart Sensor Devices in Sweden AB FCC ID: 2AN76-SSD025 To whom it may concern, Smart Sensor Devices in Sweden AB (“Applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to 47 CFR part §2.903 of the FCC rules and does not originate directly or indirectly from any company named on the covered list located in the link above or any subsidiary or affiliate thereof. Applicant further certifies that, as of the date of the filing of the application, the Applicant [is not] identified on the Covered List as an entity producing “covered” equipment and is not a subsidiary or affiliate of any such entity pursuant to 47 CFR part §1.50002 and required by 47 CFR part §2.911(d)(5)(ii) of the FCC rules. I HEREBY CERTIFY THAT I am authorized to make the representations above on behalf of the Applicant and agree to immediately notify Intertek if there is any change in the status identified above. ______________________________ [Signature of authorized Proprietor, Partner or Authorized Officer] Axel Hammar CEO Smart Sensor Devices in Sweden AB 07/05/2024

six SSD025 Marking Declaration 2024-07-17 To Whom it may concern. The Product Model SSD025 is Manufactured by Smart Sensor Devices in Sweden AB. We declare that there are six versions marked SSD025/1 , SSD025/2 , SSD025/3 , SSD025/4 , SSD025/5 and SSD025/6 according to following brands. SSD025/1 PHYSEC SSD025/2 BleuIO SSD025/3 JCM SSD025/4 BaroPAM SSD025/5 Renesas SSD025/6 Spare These versions differ only in the branding, color and application use, there is no other difference. Your Sincerely, Axel G. Hammar CEO Smart Sensor Devices in Sweden AB Signature; Stockholm, Sweden, 2024-07-17

07/05/2024 Federal Communications Commission 445 12 th Street SW Washington, DC 20554 Subject: Limited Agency Agreement Smart Sensor Devices in Sweden AB FCC ID: 2AN76-SSD025 To Whom It May Concern: We, Smart Sensor Devices in Sweden AB, hereby authorized Intertek Testing Services Shenzhen Ltd. Guangzhou Branch to act as our Agent for the purpose of preparing application for FCC ID number 2AN76-SSD025 under all applicable parts of the FCC rules and regulations. The effective date of this limited agency agreement is 08 July 2024. The Limited Agency Agreement expires on (08 January 2025) unless sooner terminated or extended by written notice to Intertek Testing Services Shenzhen Ltd. Guangzhou Branch and the Federal Communications Commission. This is to advise that we are in full compliance with the Anti-Drug Abuse Act. The applicant is not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 U.S.C. 862, and no party to the application is subject to a denial of federal benefits pursuant to that section. If you have any questions or comments, please do not hesitate to contact me. Sincerely, [Signature] Axel Hammar CEO

1(1) 07/05/2024 Attention: Application Examiner RE: Request for Confidentiality Applicant: Smart Sensor Devices in Sweden AB FCC ID: 2AN76-SSD025 To Whom It May Concern: Permanent Confidentiality [Complete this section if permanent confidentiality is requested] Request is hereby submitted by Smart Sensor Devices in Sweden AB to withhold permanently from public review certain portions of the application for equipment certification for the referenced FCC identifiers. This request for confidentiality is made pursuant to 47 CFR 0.457(d) and 0.459 of the FCC Rules. In particular, the following sections of the application are to be kept permanently confidential: [Select one or more of items below, as appropriate] • Schematics • Detailed Block Diagrams • Detailed Operational/Functional Description Rationale for request for confidentiality: Smart Sensor Devices in Sweden AB has invested considerable time and materials in research and development to produce the referenced product. [Permanent confidentiality: Disclosure of the permanently confidential portions of this application to competitors would not only give them significant competitive advantages in developing similar products, but would also disclose successful implementation of unpublished, leading edge technology developed by us.] If you have questions or need further information, please contact the undersigned. Sincerely, [Signature] Axel Hammar CEO Smart Sensor Devices in Sweden AB

Specification Rev. D 2024-07-23 8 © Smart Sensor Devices in Sweden AB 6 Marking information The device is laser engraved with part number and regulatory information on the metal connector part. FCC and CE logo size requirement is minimum 5mm and font size must be 4pt or 1.5mm.

Intertek Testing Services Shenzhen Ltd. Guangzhou Branch Room101/301/401/102/202/302/402/502/602/702/802, No. 7-2, Caipin Road, Huangpu District, Guangzhou, Guangdong, China Job No.: 240611006GZU FCC ID: 2AN76-SSD025 Version: 08 July 2020 Page 1 of 1 FCC RF Exposure-Portable RF Exposure Compliance Requirement Model no.: SSD025/1, SSD025/2, SSD025/3, SSD025/4, SSD025/5, SSD025/6 The product belongs to standalone portable device base the FCC rule part 2.1091&2.1093. The transmission frequencies of the device are between 100 MHz and 6 GHz. The worst case test separation distance is 5mm. The Max Conducted Output Power and SAR Test Exclusion Threshold (mW) are listed below: Transmit frequency (GHz) Max Conducted Output Power (mW) SAR Test Exclusion Threshold (mW) 2.402-2.480 3.63 9.5 The SAR Test Exclusion Threshold is calculated from: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] ·[√f(GHz)] ≤ 3.0 for 1-g SAR  f(GHz) is the RF channel transmit frequency in GHz  Power and distance are rounded to the nearest mW and mm before calculation17  The result is rounded to one decimal place for comparison According to SAR Exclusion Threshold in KDB 447498 (D01) General RF Exposure Guidance v06, the SAR report is not required. Test Location: Intertek Testing Services Shenzhen Ltd. Guangzhou Branch All tests were performed at: Room102/104, No 203, KeZhu Road, Science City, GETDD Guangzhou, China

SSD 025 USB BLE module Antenna measurements Doc.no: 3-3-TR-865 004-01 Revision History Date Rev. Author Description 2023-11-07 A Pär Berglund Released after internal review Manufacturer: Smart Sensor Devices in Sweden AB Sollentunavaegen 67A, 191 40 Sollentuna, Sweden Prepared: Pär Berglund Release: 2023-11-07 Page: 2 of 17 Approved: Jonas Strandell Doc.no: 3-3-TR-865 004-01 Rev: A Table of Contents REFERENCES .......................................................................................................... 3 TABLE OF FIGURES .............................................................................................. 4 TABLE OF TABLES ............................................................................................... 5 INTRODUCTION .................................................................................................... 6 ANTENNA MEASUREMENTS............................................................................ 7 5.1 ANTENNA MATCHING CIRCUIT ...................................................................................................... 7 5.2 VOLTAGE STANDING WAVE RATIO .............................................................................................. 8 5.3 ANTENNA EFFICIENCY .................................................................................................................... 9 5.4 RADIATION PATTERNS ................................................................................................................ 10 5.4.1 USB DONGLE INSERTED INTO LENOVO B590 LAPTOP WITH DISPLAY OPEN ............... 11 5.4.2 USB DONGLE INSERTED INTO LENOVO B590 LAPTOP WITH DISPLAY CLOSED ........... 13 5.4.3 USB DONGLE STAND-ALONE ................................................................................................. 15 SUMMARY ..............................................................................................................17 Prepared: Pär Berglund Release: 2023-11-07 Page: 3 of 17 Approved: Jonas Strandell Doc.no: 3-3-TR-865 004-01 Rev: A References There are no sources in the current document. Prepared: Pär Berglund Release: 2023-11-07 Page: 4 of 17 Approved: Jonas Strandell Doc.no: 3-3-TR-865 004-01 Rev: A Table of Figures Figure 5-1 Updated matching circuit for SSD025 USB dongle BLE antenna. The antenna matching consists of a parallel capacitor 0,6pF closest to the antenna followed by a serial inductor 6,2nH. C102, C103 and L100 represents a low pass filter. ................................................................................. 7 Figure 5-2 SSD025 USB dongle inserted into USB port in Lenovo B590 laptop. 8 Figure 5-3 VSWR SSD 025 USB dongle inserted into USB port in Lenovo B590 laptop. ........................................................................................................................... 8 Figure 5-4 Satimo SG-23 6 GHz Stargate Antenna Test Chamber. ......................... 10 Figure 5-5 Radiation pattern in XY-plane for SSD025 USB dongle inserted into Lenovo B590 laptop, display open. ................................................................. 11 Figure 5-6 Radiation pattern in XZ-plane for SSD025 USB dongle inserted into Lenovo B590 laptop, display open. ................................................................. 11 Figure 5-7 Radiation pattern in YZ-plane for SSD025 USB dongle inserted into Lenovo B590 laptop, display open. ................................................................. 11 Figure 5-8 3D radiation pattern for SSD025 USB dongle inserted into Lenovo B590 laptop, display open. Maximum antenna peak gain is found to be in a cut that is not covered by the three planes XY, XZ and YZ. ..... 12 Figure 5-9 Radiation pattern in XY-plane for SSD025 USB dongle inserted into Lenovo B590 laptop, display closed. .............................................................. 13 Figure 5-10 Radiation pattern in XZ-plane for SSD025 USB dongle. Dongle inserted into Lenovo B590 laptop with display closed. ......................... 13 Figure 5-11 Radiation pattern in YZ-plane for SSD025 USB dongle. Dongle inserted into Lenovo B590 laptop with display closed. ......................... 13 Figure 5-12 3D radiation pattern for SSD025 USB dongle. Dongle inserted into Lenovo B590 laptop with display closed. Maximum antenna peak gain is found to be in a cut that is not covered by the three planes XY, XZ and YZ. .................................................................................................................. 14 Figure 5-13 Radiation pattern in XY-plane for SSD025 USB dongle. USB dongle stand-alone. .............................................................................................................. 15 Figure 5-14 Radiation pattern in XZ-plane for SSD025 USB dongle. USB dongle stand-alone. .............................................................................................................. 15 Figure 5-15 Radiation pattern in YZ-plane for SSD025 USB dongle. USB dongle stand-alone. .............................................................................................................. 15 Figure 5-16 3D radiation pattern for SSD025 USB dongle as stand-alone. Maximum antenna peak gain is found to be in a cut that is not covered by the three planes XY, XZ and YZ. ................................................ 16 Prepared: Pär Berglund Release: 2023-11-07 Page: 5 of 17 Approved: Jonas Strandell Doc.no: 3-3-TR-865 004-01 Rev: A Table of Tables Table 5-1 Matching component values for SSD025 USB dongle BLE antenna. .. 7 Table 5-2 Antenna efficiency for SSD025 USB dongle inserted into Lenovo B590 laptop, display open. ................................................................................... 9 Table 5-3 Antenna efficiency for SSD025 USB dongle inserted into Lenovo B590 laptop, display closed. ................................................................................ 9 Table 5-4 Antenna efficiency for SSD025 USB dongle stand-alone.…

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Smart Sensor Devices in Sweden AB TEST REPORT SCOPE OF WORK EMC TESTING–SSD025/1, SSD025/2, SSD025/3, SSD025/4, SSD025/5, SSD025/6 REPORT NUMBER 240611006GZU-002 ISSUE DATE [REVISED DATE] 31-July-2024 [---------------------] PAGES 39 DOCUMENT CONTROL NUMBER FCC BT 4.0- f © 2017 INTERTEK TEST REPORT Room101/301/401/102/202/302/ 402/502/602/702/802, No. 7-2, Caipin Road, Huangpu District, Guangzhou, Guangdong, China Telephone: +86 20 8213 9688 Facsimile: +86 20 3205 7538 www.intertek.com.cn This report is for the exclusive use of Intertek's Client and is provided pursuant to the agreement between Intertek and its Client. Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this report. Only the Client is authorized to permit copying or distribution of this report and then only in its entirety. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test results in this report are relevant only to the sample tested. This report by itself does not imply that the material, product, or service is or has ever been under an Intertek certification program. Intertek Testing Services Shenzhen Ltd. Guangzhou Branch Room101/301/401/102/202/302/402/502/602/702/802, No. 7-2, Caipin Road, Huangpu District, Guangzhou, Guangdong, China Version: 14 December 2022 Page 2 of 39 FCC BT 4.0-f Applicant Name & Address : Smart Sensor Devices in Sweden AB Sollentunavaegen 67A, 191 40 Sollentuna, Sweden Manufacturing Site : Same as applicant Intertek Report No: FCC ID: 240611006GZU-002 2AN76-SSD025 Test standards 47 CFR PART 15 Subpart C: 2021 section 15.247 Sample Description Product : Smart USB Dongle Model No. : SSD025/1, SSD025/2, SSD025/3, SSD025/4, SSD025/5, SSD025/6 Electrical Rating : DC 5V Serial No. : Not Labeled Date Received : 11 June 2024 Date Test Conducted : 08 July 2024-10 July 2024 Prepared and Checked By Elena Lei Project Engineer Approved By: Dean Liu Sr. Project Engineer TEST REPORT Intertek Report No.: 240611006GZU-002 Version: 14 December 2022 Page 3 of 39 FCC BT 4.0-f CONTENT TEST REPORT ........................................................................................................................... 1 CONTENT ............................................................................................................................. 3 1.0 TEST RESULT SUMMARY ............................................................................................ 4 2.0 GENERAL DESCRIPTION ............................................................................................. 5 2.1 PRODUCT DESCRIPTION ........................................................................................................ 5 2.2 RELATED SUBMITTAL(S) GRANTS ........................................................................................... 6 2.3 TEST METHODOLOGY .......................................................................................................... 6 2.4 TEST FACILITY ..................................................................................................................... 6 3.0 SYSTEM TEST CONFIGURATION ................................................................................. 6 3.1 JUSTIFICATION .................................................................................................................... 6 3.2 EUT EXERCISING SOFTWARE ................................................................................................. 7 3.3 SPECIAL ACCESSORIES .......................................................................................................... 7 3.4 MEASUREMENT UNCERTAINTY .............................................................................................. 8 3.5 EQUIPMENT MODIFICATION ................................................................................................. 8 3.6 SUPPORT EQUIPMENT LIST AND DESCRIPTION .......................................................................... 9 4.0 MEASUREMENT RESULTS ........................................................................................ 10 4.1 ANTENNA REQUIREMENT ................................................................................................... 10 4.2 6 DB BANDWIDTH (DTS BANDWIDTH).................................................................................. 11 4.3 MAXIMUM PEAK CONDUCTED OUTPUT POWER ..................................................................... 14 4.4 PEAK POWER SPECTRAL DENSITY ......................................................................................... 17 4.5 OUT OF BAND CONDUCTED EMISSIONS ................................................................................ 20 4.6 OUT OF BAND RADIATED EMISSIONS .................................................................................... 23 4.7 RADIATED EMISSIONS IN RESTRICTED BANDS ......................................................................... 24 4.8 BAND EDGES REQUIREMENT ............................................................................................... 33 4.9 CONDUCTED EMISSION TEST ............................................................................................... 36 5.0 TEST EQUIPMENT LIST ............................................................................................. 39 TEST REPORT Intertek Report No.: 240611006GZU-002 Version: 14 December 2022 Page 4 of 39 FCC BT 4.0-f 1.0 TEST RESULT SUMMARY Test Item Test Requirement Test Method Result Antenna Requirement FCC PART 15 C section 15.247 (c) and Section 15.203 FCC PART 15 C section 15.247 (c) and Section 15.203 PASS 6 dB Bandwidth (DTS bandwidth) FCC PART 15 C section 15.247 (a)(2) ANSI C63.10: Clause 11.8 PA…

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Note: EUT is positioned at the center of the turntable to keep 3m between the measurement antenna and EUT for the radiated emissions measurements Radiated Emission (Below 1GHz) Radiated Emission (Above 1GHz) Conducted Emissions