SQG-LYRA24PLyra 24P Series - Bluetooth v5.3 PCB Module (20dBm) with integrated antenna / Lyra 24P Series - Bluetooth v5.3 PCB Module (20dBm) with RF Trace Pad / Lyra 24P Series - Bluetooth v5.3 PCB Module (10dBm) with integrated antenna

A Datasheet Lyra 24P Version 1.0 Lyra 24P Datasheet https://www.lairdconnect.com/ 2 © Copyright 2023 Laird Connectivity All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2762-4823 REVISION HISTORY Version Date Notes Contributors Approver 1.0 24 May 2023 Initial Release Robert Gosewehr, Raj Khatri, Dave Drogowski Jonathan Kaye 1.1 26 May 2023 Updated figure in section Lyra 24P USB Adaptor Label Marking Raj Khatri Jonathan Kaye Lyra 24P Datasheet https://www.lairdconnect.com/ 3 © Copyright 2023 Laird Connectivity All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2762-4823 CONTENTS 1 Introduction ........................................................................................................................................................................ 5 1.1 Key Features .............................................................................................................................................................. 5 1.2 Hardware Features ..................................................................................................................................................... 6 1.3 Firmware Options ....................................................................................................................................................... 7 2 Ordering Information .......................................................................................................................................................... 7 3 System Overview ............................................................................................................................................................... 8 3.1 Block Diagram ............................................................................................................................................................ 8 3.2 EFR32BG24 SoC ....................................................................................................................................................... 9 3.3 Integrated Antenna ..................................................................................................................................................... 9 3.4 External Antenna ........................................................................................................................................................ 9 3.5 Power Supply ........................................................................................................................................................... 10 3.6 General Purpose Input / Output (GPIO) ................................................................................................................... 10 3.7 Security .................................................................................................................................................................... 10 4 Electrical Characteristics ................................................................................................................................................. 13 4.1 Absolute Maximum Ratings ...................................................................................................................................... 13 4.2 General Operating Conditions .................................................................................................................................. 14 4.3 MCU Current Consumption with 3 V Supply ............................................................................................................. 15 4.4 Radio Current Consumption with 3 V Supply ........................................................................................................... 16 4.5 RF Transmitter General Characteristics for the 2.4 GHz Band ................................................................................. 17 4.6 RF Receiver General Characteristics for the 2.4 GHz Band..................................................................................... 18 4.7 RF Receiver Characteristics for Bluetooth Low Energy in the 2.4 GHz Band 1 Mbps Data Rate ............................. 18 4.8 RF Receiver Characteristics for Bluetooth Low Energy in the 2.4 GHz Band 2 Mbps Data Rate ............................. 19 4.9 RF Receiver Characteristics for Bluetooth Low Energy in the 2.4 GHz Band 500 kbps Data Rate .......................... 20 4.10 RF Receiver Characteristics for Bluetooth Low Energy in the 2.4 GHz Band 125 kbps Data Rate .......................... 21 4.11 High-Frequency Crystal ............................................................................................................................................ 22 4.12 Low-Frequency Crystal Oscillator ............................................................................................................................. 22 4.13 Precision Low Frequency RC Oscillator (LFRCO) .................................................................................................... 23 4.14 GPIO Pins ................................................................................................................................................................ 23 4.15 Microcontroller Peripherals ....................................................................................................................................... 24 4.16 Antenna Radiation and Efficiency for Lyra 24P Integrated Antenna ......................................................................... 24 5 Reference Diagrams ........................................................................................................................................................ 28 5.1 Network Co-Processor (NCP) Application with UART Host ...................................................................................... 28 5.2 SoC Application .................................................................................…

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Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 Subject: Laird Connectivity LLC and SQG Attestation Statement Reference: a) FCC CFR section 2.911(d)(5)(i) b) FCC Section 2.911(d)(5)(ii) c) FCC Section 2.911(d)(7) a) [Laird Connectivity LLC] certifies that the equipment [FCC ID: SQG-LYRA24P] for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules; b) [Laird Connectivity LLC] certifies that, as of the date of the filing of the application, the applicant [is not] identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment; c) [Laird Connectivity LLC] as required by section 2.911(d)(7), will also serve as the agent for service of process for the above referenced FCC Grantee Code. The service of process includes, but is not limited to, delivery of any correspondence, notices, orders, decisions, and requirements of administrative, legal, or judicial process related to Commission proceedings. The applicant acknowledges that they will maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. The applicant further acknowledges their responsibility to inform the FCC whenever the following agent information changes. Designated Agent Company name: Laird Connectivity LLC Grantee Code: SQG Contact Name: Brian Petted, Technology Leader Street Address: W66 N220 Commerce Court City/Province/Zip: Cedarburg, Wisconsin, 53012 Telephone No: (262)-421-4974 Email: [email protected] FRN: 0022590616 Sincerely yours, Signed by the Applicant Name: Brian Petted Title: Technology Leader Date:May 3, 2023

Modular Approval Request FCC (KDB 996369 D01 & Part 15.212) FCC ID: SQG-LYRA24P Items to be covered by Single modular transmitters. Answer from applicant 1. The modular transmitter must have its own RF shielding. The modular has a shielding Case. Please refer to EUT Photo. 2. The modular transmitter must have buffered modulation/data inputs (if such inputs are provided) to ensure that the module will comply with Part 15 requirements under conditions of excessive data rates or over-modulation. The component number is BOBCAT_QFN40 3. The modular transmitter must have its own power supply regulation. The component number is BOBCAT_QFN40 4. The modular transmitter must comply with the antenna requirements of Section 15.203 and 15.204(b)(c). The antenna must either be permanently attached or employ a “unique” antenna coupler (at all connections between the module and the antenna, including the cable). Antenna Connectors is IPEX MHF4. And no external amplifier will be used with this modular. 5. The modular transmitter must be tested in a stand-alone configuration, i.e., the module must not be inside another device during testing. This is intended to demonstrate that the module is capable of complying with Part 15 emission limits regardless of the device into which it is eventually installed. This modular is tested under stand-alone configuration. Please refer to Test setup photo. 6. The modular transmitter must be equipped with either a permanently affixed label or must be capable of electronically displaying its FCC identification number in accordance with 15.212 (a)(1)(vi)(A) / (B). The modular transmitter is labeled with its own FCC ID number. Please refer to label sample and label location. 7. The modular transmitter must comply with any specific rule or operating requirements applicable to the transmitter and the manufacturer must provide adequate instructions along with the module to explain any such requirements. A copy of these instructions must be included in the application for equipment authorization. For example, there are very strict operational and timing requirements that must be met before a transmitter is authorized for operation under Section 15.231. For instance, data transmission is prohibited, except for operation under Section 15.231(e), in which case there are separate field strength level and timing requirements. Compliance with these requirements must be assured. The modular complies with this requirement. Please refer to user manual. 8. The modular transmitter must comply with any applicable RF exposure requirements. For example, FCC Rules in Sections 1.1310, 2.1091, 2.1093, and specific Sections of Part 15, including 15.319(i), 15.407(f), 15.253(f) and 15.255(g), require that Unlicensed PCS, UNII and millimeter wave devices perform routine environmental evaluation for RF Exposure to demonstrate compliance. In addition, spread spectrum transmitters operating under Section 15.247 are required to address RF Exposure compliance. Modular transmitters approved under other Sections of Part 15, when necessary, may also need to address certain RF Exposure concerns, typically by providing specific installation and operating instructions for users, installers and other interested parties to ensure compliance. The device complies with this requirement. Please refer to RF exposure report. Name and surname of applicant (or authorized representative): __________________ Date: ___05 July 2023____ Signature: ___________________________

Laird Connectivity, LLC W66N220 Commerce Court, Cedarburg, Wisconsin 53012, USA Confidentiality Request Letter Date: 2023/5/16 Federal Communications Commission Authorization and Evaluation Division FCC ID：SQG-LYRA24P Permanent Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, the Applicant Hereby requests confidential treatment of information accompanying this Application As outlined below: 1. Block Diagram 2. Circuit Diagram 3. Operational Description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application Sincerely, Brian Petted Technology Leader Laird Connectivity LLC [email protected] Tel: 262-421-4974

Date: 2023/6/30 Federal Communications Commission 7435 Oakland Mills Rd Columbia MD 21046-1609 Subject: Product Certification Representative Authorization Letter FCC ID: SQG-LYRA24P Product name: Lyra 24P Series - Bluetooth v5.3 PCB Module (20dBm) with integrated antenna ; Lyra 24P Series - Bluetooth v5.3 PCB Module (20dBm) with RF Trace Pad; Lyra 24P Series - Bluetooth v5.3 PCB Module (10dBm) with integrated antenna To whom it may concern: We the undersigned, hereby authorize following person to act as our agent in the preparation of an application for FCC equipment authorization, including the signing of all documents relating to these matters. International Certification Corp. Address : No.3-1, Lane 6, Wen San 3rd St. Kwei Shan Dist., TaoYuan City 333, Taiwan (R.O.C.) Name : Gary Chang Job Title : Manager e-mail : [email protected] Webs We further certifies that neither the applicant nor any party to this application, as defined in 47 CFR Ch. 1.2002(b), is subject to a denial to Federal benefits, that include FCC benefits, pursuant to section 5301 of the Anti-Drug Abuse Act of 1998, 21 U.S.C. 862. Brian Petted Technology Leader Laird Connectivity LLC [email protected] Tel: 262-421-4974

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Project No.: EP2D3001 Page No. : 1 of 3 Photographs of EUT

THIRD ANGLE PROJECTION 19.50 11.50 R1.50 Notes: 1.Material: Polyester, White 2.Unit: mm 3.Tolerance: 0.1mm 4.Font: Arial Label info: 1.Model name 2.Part number 3.Revision of Product: Refer to the PO 4.Contains FCC ID 5.Contains IC 6.Date code:SSYYWWD SS: manufacturer number YY: last two numbers of the year WW: Week number of the year D: Sun=1,Mon=2,Tue=3,Wed=4,Thu=5, Fri=6,Sat=7 7.MIC Logo and ID, logo min size 3mm 8.RCM Logo, logo min size 3mm 9.CE Logo 10.UKCA Logo 11.KC logo REVISIONS REV.DESCRIPTIONDATEAPPROVED 1.0Initial releaseFeb 10, 2023AC ITEM NO.PART NUMBER REV. DESCRIPTION QTY. 1168-00023 1.0 Label Stock, Polyester, White, 11.5mm x 19.5mm x R1.5mm 1 1.0 160-02388 SHEET 1 OF 1 UNLESS OTHERWISE SPECIFIED: SCALE: 8:1 REVDWG. NO.SIZE TITLE: DATE INTERPRET GEOMETRIC TOLERANCING PER: ASME 14.5M DIMENSIONS ARE IN MILLIMETERS TOLERANCES: ANGULAR: X.X X.XX 5 4 32 1 6 7 8 A B C D E F 8 7 6 5 4 32 1 F E D C B A B Label, Lyra 24P USB Adapter, 11.5mm x 19.5mm CAD FILE: 160-02388 ± .5 ± .2 ± .1 UNLESS OTHERWISE NOTED, THIS DOCUMENT CONTAINS LAIRD CONNECTIVITY INFORMATION. REPRODUCTION, USE, DISCLOSURE OR TRANSMITTAL OF ALL OR ANY PART OF THIS DOCUMENT IS PROHIBITED EXCEPT TO THE EXTENT APPROVED IN WRITING BY AN AUTHORIZED REPRESENTATIVE OF LAIRD CONNECTIVITY. LAIRD CONNECTIVITY RESERVES ALL RIGHTS UNDER PATENTS, TRADEMARKS, COPY RIGHTS AND TRADE SECRETS. COPYRIGHT, LAIRD CONNECTIVITY 2020, ALL RIGHTS RESERVED. Feb 10, 2023 UNIT: mm

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Project No.: EP2D3001 Page No. : 3 of 9 Project No.: EP2D3001 Page No. : 4 of 9 FlexPIFA antenna Project No.: EP2D3001 Page No. : 5 of 9 mFlexPIFA antenna Project No.: EP2D3001 Page No. : 6 of 9 NanoBlue antenna Project No.: EP2D3001 Page No. : 7 of 9 Project No.: EP2D3001 Page No. : 8 of 9 EDA-8709-2G4C1-B27-CY antenna Project No.: EP2D3001 Page No. : 9 of 9

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Report No.: FA2D3001 Page : 1 of 8 Report Version: Rev. 01 FCC RF Exposure Report FCC ID : SQG-LYRA24P Equipment : Lyra 24P Series - Bluetooth 5.3 PCB module (Please refer to section 1.1.1 for more details) Model No. : Lyra 24P Brand Name : Laird Connectivity Applicant : Laird Connectivity LLC Address : W66N220 Commerce Court, Cedarburg, WI 53012 United States Of America Standard : 47 CFR FCC Part 2.1091 Received Date : Dec. 30, 2022 Tested Date : Jan. 12 ~ May 15, 2023 We, International Certification Corporation, would like to declare that the tested sample has been evaluated and in compliance with the requirement of the above standards. The test results contained in this report refer exclusively to the product. It shall not be reproduced except in full without the written approval of our laboratory. Reviewed by: Approved by: Along Chen / Assistant Manager Gary Chang / Manager Report No.: FA2D3001 Page : 2 of 8 Report Version: Rev. 01 Table of Contents 1 GENERAL DESCRIPTION .................................................................................................................... 4 1.1 Information.............................................................................................................................................. 4 2 RF EXPOSURE TEST EXEMPTIONS ................................................................................................... 5 2.1 1-mW TEST EXEMPTION ..................................................................................................................... 5 2.2 SAR-BASED EXEMPTION .................................................................................................................... 5 2.3 MPE-BASED EXEMPTION .................................................................................................................... 5 2.4 REFERENCE GUIDANCE ..................................................................................................................... 6 2.5 DEVIATION FROM TEST STANDARD AND MEASUREMENT PROCEDURE ................................... 6 2.6 MEASUREMENT UNCERTAINTY ......................................................................................................... 6 2.7 EXEMPTION CALCULATION ................................................................................................................ 7 3 TEST LABORATORY INFORMATION ................................................................................................. 8 Report No.: FA2D3001 Page : 3 of 8 Report Version: Rev. 01 Release Record Report No. Version Description Issued Date FA2D3001 Rev. 01 Initial issue Jul. 05, 2023 Report No.: FA2D3001 Page : 4 of 8 Report Version: Rev. 01 1 General Description 1.1 Information 1.1.1 Product Details The following models are provided to this EUT. Brand Name Model Name Product Name Laird part number Laird Connectivity Lyra 24P Lyra 24P Series - Bluetooth v5.3 PCB Module (20dBm) with integrated antenna 453-00145 Laird Connectivity Lyra 24P Lyra 24P Series - Bluetooth v5.3 PCB Module (20dBm) with RF Trace Pad 453-00148 Laird Connectivity Lyra 24P Lyra 24P Series - Bluetooth v5.3 PCB Module (10dBm) with integrated antenna 453-00142 Report No.: FA2D3001 Page : 5 of 8 Report Version: Rev. 01 2 RF Exposure Test Exemptions 2.1 1-mW TEST EXEMPTION Available maximum time-averaged power is no more than 1 mW. 2.2 SAR-BASED EXEMPTION This exemption is applicable to the frequency range between 300 MHz and 6 GHz, with test separation distances between 0.5 cm and 40 cm, and for all RF sources in fixed, mobile, and portable device exposure conditions. The maximum time-averaged power or effective radiated power (ERP), whichever is greater, ≤ Pth Pth (mW) = ERP 20cm (d/20) x d≤20cm Pth (mW) = ERP 20cm 20 cm < d ≤40cm Where = - log 10 Pth (mW) = ERP 20cm (mW) = 2040f 0.3GHz ≤ f < 1.5 GHz Pth (mW) = ERP 20cm (mW) = 3060 1.5GHz ≤ f < 6 GHz Frequency (MHz) Power Thresholds mW dBm 663 1353 31.31 699 1426 31.54 704 1436 31.57 777 1585 32.00 824 1681 32.26 902 1840 32.65 1500 ~ 6000 3060 34.86 2.3 MPE-BASED EXEMPTION For a much wider frequency range, from 300 kHz to 100 GHz, applicable for separation distances greater or equal to λ/2π, where λ is the free-space operating wavelength in meters. Radio Source Frequency Minimum Distance Threshold ERP F L MHz F H MHz λ L / 2π λ H / 2π W 0.3 - 1.34 159 m - 35.6 m 1920 R 2 1.34 - 30 35.6 m - 1.6 m 3450 R 2 /f 2 30 - 300 1.6 m - 159 mm 3.83 R 2 300 - 1500 159 mm - 31.8 mm 0.0128 R 2 f 1500 - 100000 31.8 mm - 0.5 mm 19.2 R 2 Note: R is the antenna-person separation distance. Report No.: FA2D3001 Page : 6 of 8 Report Version: Rev. 01 2.4 REFERENCE GUIDANCE 447498 D04 Interim General RF Exposure Guidance v01. 2.5 DEVIATION FROM TEST STANDARD AND MEASUREMENT PROCEDURE None 2.6 MEASUREMENT UNCERTAINTY The measurement uncertainties given below are based on a 95% confidence level (based on a coverage factor (k=2)). Parameters Uncertainty Conducted power ±0.808 dB Declaration of Conformity: The test results with all measurement uncertainty excluded are presented in accordance with the regulation limits or requirements declared by manufacturers. Comments and Explanations: The declared of product specification for EUT presented in the report are provided by the manufacturer, and the manufacturer takes all the responsibilities for the accuracy of product specification. Report No.: FA2D3001 Page : 7 of 8 Report Version: Rev. 01 2.7 EXEMPTION CALCULATION Frequency Range (MHz) Maximum Conducted Power (dBm) Maximum Tune Up Limit (dBm) Antenna Gain (dBi) EIRP (dBm) ERP (dBm) ERP (mW) SAR-Based Exemption Thresholds (mW) Pass/ Fail 2402 ~ 2480 (DTS) 19.89 20 2 22 19.85 96.61 3060 Pass 2402 ~ 2480 (FHSS) 19.89 20 2 22 19.85 96.61 3060 Pass Note: 1. Minimum separation distance = 20 cm. 2. Maximum conducted power is from part number: 453-00148 Report No.: FA2D3001 Page : 8 of 8 Report Version: Rev. 01 3 Test laboratory information Established in 2012, ICC provides foremost EMC & RF T…

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A https://www.lairdconnect.com/ 1 © Copyright 2023 Laird Connectivity All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2762 4823 The evolution of technology has brought the need to communicate everywhere and at all times without being confined to one space. Our antennas feature wide bandwidth to enhance the performance and application of portable wireless devices based on standards such as 802.11 and Bluetooth®. The antennas are specifically designed to be embedded inside devices for aesthetically pleasing integration with high durability. ▪ Versatile, easy-to-use for 2.4 to 2.5 GHz Bluetooth® and IEEE 802.11 devices ▪ Designed for an easy connection to radio cards ▪ Uses patented PCB Microsphere technology ▪ Has a ground plane incorporated into the resonator structure – no additional ground plane is required to radiate efficiently Operating Frequency (MHz) 2.4 – 2.5 GHz VSWR – Max <2.5:1 Gain (dBi) 2 Nominal Impedance (Ohms) 50 Polarization Linear Dimensions – mm (in.) 44.45 x 12.7 x 0.81 mm (1.75 x 0.5 x 0.032 in.) Weight – g (oz.) 2 g (0.071 oz.) MAF94045 100 mm, Ø 1.13 mm IPEX MHF MAF94102 100 mm, RG178 Flying Lead MAF95096 100 mm, RG178 Right Angle MMCX EBL2400A1-10MH4L 100 mm, Ø 1.13 mm MHF4 EBL2400R1-20MHF4 200 mm, Ø 1.13 mm MHF4 Note: Specifications are based on the 100mm cable length, standard antenna version with MHF1 / U.FL connector. Varying the cable length or type or connector will cause variations in these antenna specifications. https://www.lairdconnect.com/ 2 © Copyright 2023 Laird Connectivity All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2762 4823 Please contact your local Laird Connectivity sales representative or our support team for further assistance: Support Center https://www.lairdconnect.com/resources/support Phone Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2762 4823 Web https://www.lairdconnect.com/internal-antennas Address Laird Connectivity 50 S. Main Street, Suite 1100 Akron, OH 44308 [email protected] [email protected] www.lairdconnect.com © Copyright 2023 Laird Connectivity. All Rights Reserved. Patent pending. Any information furnished by Laird Connectivity and its agents is believed to be accurate and reliable. All specifications are subject to change without notice. Responsibility for the use and application of Laird Connectivity materials or products rests with the end user since Laird Connectivity and its agents cannot be aware of all potential uses. Laird Connectivity makes no warranties as to non-infringement nor as to the fitness, merchantability, or sustainability of any Laird Connectivity materials or products for any specific or general uses. Laird Connectivity or any of its affiliates or agents shall not be liable for incidental or consequential damages of any kind. All Laird Connectivity products are sold pursuant to the Laird Connectivity Terms and Conditions of Sale in effect from time to time, a copy of which will be furnished upon request. Nothing herein provides a license under any Laird Connectivity or any third-party intellectual property right.

https://www.lairdconnect.com/ 1 © Copyright 2023 Laird Connectivity All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2762 4823 ▪ Quick and easy installation ▪ Adhesive holds to surface during humidity exposure and hot/cold cycles ▪ RoHS-compliant ▪ Can be installed in the following ways: – On different non-conductive surfaces and thicknesses – Near metals or the human body – On flat or curved surfaces Frequency (MHz) 2400 - 2480 Peak Gain (dBi) +2.0 Average Gain (dBi) > -1.5 VSWR (MHz) < 2.0:1 Impedance (Ω) 50 Polarization Linear Antenna Type Flexible Planar Inverted F Antenna (FlexPIFA) Dimensions – mm (inches) 40.1 x 11.0 x 2.5 (1.58 x 0.43 x 0.098) Weight – g (oz.) 1.13 (0.040) Color Clear yellow Adhesive 3M 100MP Connector Mating Height (max) – mm MHF1 (U.FL) 2.5 MHF4L 1.4 Operating Temperature – °C (°F) -40 to +85°C (-40 to +185°F) Material Substance Compliance RoHS 001-0014 100 mm MHF1 001-0022 100 mm MHF4L 001-0025 100 mm MHF1 EFB2400A3S-13MHF1 130 mm MHF1 EFB2400A3S-22MHF1 220 mm MHF1 Note: Specifications are based on the 100mm cable length, standard antenna version with MHF1 / U.FL connector. Varying the cable length or type or connector will cause variations in these antenna specifications. https://www.lairdconnect.com/ 2 © Copyright 2023 Laird Connectivity All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2762 4823 Figure 1: FlexPIFA mechanical drawing of 001-0014, 001-0022, and EFB2400A3S-22MHF1 RF Connector https://www.lairdconnect.com/ 3 © Copyright 2023 Laird Connectivity All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2762 4823 Figure 2: FlexPIFA mechanical drawing of 001-0025 RF Connector https://www.lairdconnect.com/ 4 © Copyright 2023 Laird Connectivity All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2762 4823 Figure 3: FlexPIFA mechanical drawing of EFB2400A3S-13MHF1 https://www.lairdconnect.com/ 5 © Copyright 2023 Laird Connectivity All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2762 4823 Antenna measurements such as VSWR were measured with an Agilent E5071C vector network analyzer. Radiation patterns were measured with a CMT Planar 804/1 vector network analyzer in a Howland Company 3100 chamber equivalent. Phase center is nine inches above the Phi positioner. Flat surface measurements were done with the antenna centered on a 1.5 mm-thick plate of polycarbonate. Curved surface measurements were taken by placing the antenna on the inside and outside of different diameter PVC tubing. Figure 4: Antenna chamber Figure 5: Antenna VSWR measured on a 1.5 mm-thick plate of polycarbonate https://www.lairdconnect.com/ 6 © Copyright 2023 Laird Connectivity All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2762 4823 Figure 6: Flat surface setup Z Y X https://www.lairdconnect.com/ 7 © Copyright 2023 Laird Connectivity All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2762 4823 Figure 7: Vertical, horizontal, and total gain patterns – 2400 MHz Figure 8: Vertical, horizontal, and total gain plots – 2400 MHz -30 -20 -10 0 10 30 210 60 240 90 270 120 300 150 330 180 0 Gain - Vertical Polarization at 2400.0 (MHz) Gain Summary (dBi) at 2400.0 (MHz) min: -28.3 (dBi) max: +1.4 (dBi) avg: -5.5 (dBi) 0 15 30 45 60 75 90 105 120 135 150 165 Theta (deg) -30 -20 -10 0 10 30 210 60 240 90 270 120 300 150 330 180 0 Gain - Horizontal Polarization at 2400.0 (MHz) Gain Summary (dBi) at 2400.0 (MHz) min: -25.9 (dBi) max: -2.7 (dBi) avg: -8.0 (dBi) 0 15 30 45 60 75 90 105 120 135 150 165 Theta (deg) -30 -20 -10 0 10 30 210 60 240 90 270 120 300 150 330 180 0 Gain - Total at 2400.0 (MHz) Gain Summary (dBi) at 2400.0 (MHz) min: -13.3 (dBi) max: +1.9 (dBi) avg: -1.6 (dBi) 0 15 30 45 60 75 90 105 120 135 150 165 Theta (deg) https://www.lairdconnect.com/ 8 © Copyright 2023 Laird Connectivity All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2762 4823 Figure 9: Vertical, horizontal, and total gain patterns – 2440 MHz Figure 10: Vertical, horizontal, and total gain plots – 2440 MHz -30 -20 -10 0 10 30 210 60 240 90 270 120 300 150 330 180 0 Gain - Vertical Polarization at 2440.0 (MHz) Gain Summary (dBi) at 2440.0 (MHz) min: -22.5 (dBi) max: +1.3 (dBi) avg: -5.1 (dBi) 0 15 30 45 60 75 90 105 120 135 150 165 Theta (deg) -30 -20 -10 0 10 30 210 60 240 90 270 120 300 150 330 180 0 Gain - Horizontal Polarization at 2440.0 (MHz) Gain Summary (dBi) at 2440.0 (MHz) min: -29.9 (dBi) max: -2.8 (dBi) avg: -8.0 (dBi) 0 15 30 45 60 75 90 105 120 135 150 165 Theta (deg) -30 -20 -10 0 10 30 210 60 240 90 270 120 300 150 330 180 0 Gain - Total at 2440.0 (MHz) Gain Summary (dBi) at 2440.0 (MHz) min: -12.1 (dBi) max: +1.9 …

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