2AFXU-EF27-S2Electronic Shelf Label

1 Ultra-thin · Full graphic Autonomous system · Environmentally friendly ELSA-E Electronic Shelf Labeling System RELIABLE CELLULAR- LIKE TECHNOLOGY Unique tree network for optimal coverage without interference from existing Wi-Fi networks EASY PLUG-AND-PLAY SYSTEM Self-networking system enables easy infrastructure setup EXCEPTIONAL READABILITY High resolution e-paper display for 180° viewing LONG BATTERY LIFE & FAST UPDATES Unique wireless protocol tuned to optimize the power consumption and network efficiency ANTI-JAMMIMG FROM Wi-Fi 13,500 graphic tags are fully updated per hour INTELLIGENT SYSTEM Acknowledges updates; battery level and signal strength notifications 2 Technical Specification MODEL NAME: EF27-S2 INFRASTRUCTURE SIZE (W x H x T) mm 83 x 42 x 9.5 WEIGHT, g 39 ANTENNA EMBEDDED NETWORK INTERFACE WIRELESS FREQUENCY SUB-GHz ISM OPERATION MODE SELF-NETWORKING (AUTOMATIC CONNECTION BUILT-UP AND RECOVERY) ENCRYPTION AES 128-bit TRANSMISSION RANGE 100 METERS (LINE OF SIGHT) OPERATING CONDITIONS OPERATING TEMP/HUMIDITY 0 ~ 40°C / 35 ~ 55% (non-condensed) STORAGE TEMP/HUMIDITY 0 ~ 40°C / 35 ~ 80% (non-condensed) POWER 2 x CR2450 APPLICATIONS Retail, Smart Display Display RESOLUTION 296 x 152 DPI 125 pixel 3 Device Setup: Access Point Setting The Access Point has a wired connection to the base station (computer) and communicates wirelessly with the Router(s) via the M2COMM proprietary protocol. Please refer to below procedure to setup your Access Point. Status Indicators and Assembly: LED status functions: Red –Power-on self-test error Green –Power on indicator Blue –Network connection, shall flash slowly during boot-up and stay on while connection is built up successfully. 4 Access Point - Network Port: GREEN network activity indicator—turns on when a cable connects the port to another Gigabit Ethernet port YELLOW activity indicator—Flashes to indicate network activity over that port Attach included Antenna Plug one end of the supplied Cat 5E cable into the Access Point, the other end should be plugged into your computer. Connect the supplied AC power adaptor as shown. Use only the adapter that came with your Access Point 5 Router Setting The Router(s) operate wirelessly, via the M2COMM proprietary protocol, with the Access Point and aisle light. Please refer to below procedure to setup the Router. Status Indicators and Assembly: LED status functions: Red –Power-on self-test error Green –Power on indicator Blue –Network connection, shall flash slowly during boot-up and stay on while connection is built up successfully. 6 Attach included Antenna Connect the included AC power adaptor as shown. Use only the adapter that came with your Router 7 ELSA-E Demo System IP setting: The ELSA-E demo system is designed to use either a static IP address for a single Access Point or a dynamic IP address when multiple Access Points are installed. IP Address Configuration (Static IP): Ensure that your Access Point is connected to your computer. The Access Point comes pre-configured with a default IP Address (192.168.2.1). It’s necessary to modify the IP Address of the Ethernet port on your computer that is cabled to the M2COMM Access Point so that they can communicate with one another. Using your computer mouse, click on Ethernet Select Properties 8 Select Internet Protocol Version 4 (TCP/IPv4), and select Properties 9 Check Use the following IP address and enter information shown above. Select OK to apply new settings IP Address Configuration (Dynamic IP): For installations that contain multiple Access Points an external TCP/IP Ethernet hub is required. And please contact M2COMM for further details. 10 M2COMM ELSA-E Demo Installation: Software Installation: Put below two executable files into the same folder on your computer. And double-click the “ELSA1.0_2.x.x.xxxx.exe” file to begin the installation. You may be asked for permission to allow the program to make changes to your computer; you must agree to this to enable installation to start. Follow the on-screen instructions to finish the installation process. Click Next> to continue 11 Select Accept, and Click Next> to continue Click Next to continue 12 Click Install to start Click Finish to complete the installation The ELSA-E Demo system has now been installed and executed on your computer. The icon will be hidden inside the toolbar, and you should now be able to locate this icon on your computer screen, by right click. 13 . And you can also launch the ELSA software by double click the icon on desktop. 14 Setting Up the ELSA-E 2.7’’ ESL Ensure that the Access Point is connected to your computer that the Router(s) and 2.7’’ ESL are installed throughout your premises and are powered on. • Install the AP Input “sa” for user name and “passw0rd” for password, to access the ELSA web. Press “Start” to initial the ELSA system installation process. 15 Input the store name, and press Submit ELSA system will find the connected AP, and press “Yes” to confirm • Preparing the Network ELSA system will start to find the available wireless channel to use, and the whole process will take 1 hour. Press “Show detail” for more information. 16 Press “Install Routers” for next step, when the progress bar reaches to 100% • Install Router Power on the Router After the ELSA system install the Router automatically, press “Install tags” Press “Yes” to confirm the device status and enter to next step 17 • Install Tags Select “Keyboard” to input the MAC address posted on the bottom side of the ESL Check “Without product” and Press “Power-on” 18 • Power ON Tags Select “Auto power-on” Wait for ESL to show the “wakeup” page • Finish After several minutes, the ELSA web will show “register finish” page Press “Finish” to leave the installation wizard and back to ELSA dashboard 19 Show the image on ELSA-E 2.7’’ ESL Load the CSV file to import the inventory list first. Switch to “Inventory” page, and press “Import” Select the CSV file, “inventory99.csv” and press “Import” Press “OK” …

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CFR 47 §2.911(d)(5)(i) Attestation Letter Attestation Letter Date: 05/25/2026 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(i)(ii) Filing FCC ID: 2AFXU-EF27-S2 M2communication INC. (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. M2communication INC. (“the applicant”) 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. M2communication INC. (“the applicant”) certifies that the equipment does not use Kaspersky's software information. Sincerely, Signature Contact Person: Brett Chen Title: Assistant Manager Company Name & Address: M2communication INC./ 17F.-3, No. 32, Gaotie 2nd Rd., Zhubei City, Hsinchu County ,Taiwan (R.O.C.)

QA-FR-170-B 7/29/2014 FCC Authorization 05/25/2026 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We M2communication INC. the undersigned, Hereby authorizes Bay Area Compliance Laboratories Corp. (Linkou Laboratory) to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Bay Area Compliance Laboratories Corp. (Linkou Laboratory) on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Client’s signature Client’s name/ title : Brett Chen / Assistant Manager Contact information/address: M2communication INC. /17F.-3, No. 32, Gaotie 2nd Rd., Zhubei City, Hsinchu County ,Taiwan (R.O.C.)

QA-FR-171-A FCC Confidential Authorization 05/25/2026 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2AFXU-EF27-S2 In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, M2communication INC. hereby requests long-term confidential treatment of information accompanying this application as outlined below: • Block Diagram • Schematics • Operation Description The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely, Client’s signature Client’s name/ title : Brett Chen / Assistant Manager Contact information/address: M2communication INC. /17F.-3, No. 32, Gaotie 2nd Rd., Zhubei City, Hsinchu County ,Taiwan (R.O.C.)

Bay Area Compliance Laboratories Corp. (Linkou Laboratory) Project No.: RLK260421066 Page 1 of 3 External Photographs Bay Area Compliance Laboratories Corp. (Linkou Laboratory) Project No.: RLK260421066 Page 2 of 3 Bay Area Compliance Laboratories Corp. (Linkou Laboratory) Project No.: RLK260421066 Page 3 of 3 ***** END *****

22 How to Display FCC ID Label(After certification, display it on the "Pairing Page) 1. Wake Up the Tag: Ensure the EPD is not blank or shows a "sleep mark" (red/black square in the top-left corner). please activate wake-up mode from ELSA WEB until ED removes the "sleep mark." Active wake-up mode from ELSA web 2.Switch Screens: Switch the EPD display to the "Pairing Page Select the ED from ELSA WEB, then click the "Show Barcode" button. The ED will be preset to display the "Pairing Page" upon shipment. 2.2 display results

Bay Area Compliance Laboratories Corp. (Linkou Laboratory) Project No.: RLK000000000 Page 1 of 7 Internal Photographs Bay Area Compliance Laboratories Corp. (Linkou Laboratory) Project No.: RLK000000000 Page 2 of 7 Bay Area Compliance Laboratories Corp. (Linkou Laboratory) Project No.: RLK000000000 Page 3 of 7 Bay Area Compliance Laboratories Corp. (Linkou Laboratory) Project No.: RLK000000000 Page 4 of 7 Bay Area Compliance Laboratories Corp. (Linkou Laboratory) Project No.: RLK000000000 Page 5 of 7 Bay Area Compliance Laboratories Corp. (Linkou Laboratory) Project No.: RLK000000000 Page 6 of 7 RF Chip Antenna Bay Area Compliance Laboratories Corp. (Linkou Laboratory) Project No.: RLK000000000 Page 7 of 7 ***** END *****

Note: It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. (Linkou Laboratory) Page 1 of 8 FCC Part 1.1310 FCC Part 2.1091 RF Exposure Evaluation REPORT For M2communication INC. 17F.-3, No. 32, Gaotie 2nd Rd., Zhubei City, Hsinchu County ,Taiwan (R.O.C.) FCC ID: 2AFXU-EF27-S2 Report Type: Original Report Product Type: Electronic Shelf Label Report Producer : Jojo Lu Report Number : RLK260421066RF02 Report Date : 2026-05-26 Reviewed By: Jack Hsu Prepared By: Bay Area Compliance Laboratories Corp. (Linkou Laboratory) No. 6, Wende 2Rd., Guishan Dist., Taoyuan City 33382, Taiwan (R.O.C.). Tel: +886 (3) 3961072 Fax: +886 (3) 3961027 www.baclcorp.com.tw Bay Area Compliance Laboratories Corp. (Linkou Laboratory) No.: RLK260421066RF02 Note: It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. (Linkou Laboratory) Page 2 of 8 Revision History Revision No. Report Number Issue Date Description Author/ Revised by 0.0 RLK260421066 RLK260421066RF02 2026-05-26 Original Report Jojo Lu Bay Area Compliance Laboratories Corp. (Linkou Laboratory) No.: RLK260421066RF02 Note: It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. (Linkou Laboratory) Page 3 of 8 TABLE OF CONTENTS 1. General Information ............................................................................................................................. 4 1.1 Product Description for Equipment under Test (EUT) .......................................................... 4 1.2 Statement of Compliance ....................................................................................................... 5 1.3 Measurement Uncertainty ...................................................................................................... 5 2. FCC §1.1310 - RF Exposure ................................................................................................................. 6 Applicable Standard ..................................................................................................................................... 6 3.1 RF Exposure Evaluation Result ........................................................................................................... 8 Bay Area Compliance Laboratories Corp. (Linkou Laboratory) No.: RLK260421066RF02 Note: It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. (Linkou Laboratory) Page 4 of 8 1. General Information 1.1 Product Description for Equipment under Test (EUT) Applicant M2communication INC. 17F.-3, No. 32, Gaotie 2nd Rd., Zhubei City, Hsinchu County ,Taiwan (R.O.C.) Manufacturer LuenHuei Electronics CO., LTD. No. 17, Guangfu Rd., Hukou Township, Hsinchu County 303036, Taiwan (R.O.C.) microview electronics Room 1005, Block B, Building 5, Huaqiang Creative Industry Park, Guanhua Road, Guangming District, Shenzhen, Guangdong, China Brand(Trade) Name Product (Equipment) Electronic Shelf Label Main Model Name EF27-S2 Frequency Range 903 ~ 927 MHz Output Power 12.26 dBm Modulation Technique GFSK Power Operation (Voltage Range) DC 3V from battery Received Date 2026/4/30 Date of Test 2026/5/6~2026/5/14 *All measurement and test data in this report was gathered from production sample serial number: RLK260421066-01(Assigned by BACL, Linkou Laboratory). Bay Area Compliance Laboratories Corp. (Linkou Laboratory) No.: RLK260421066RF02 Note: It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. (Linkou Laboratory) Page 5 of 8 1.2 Statement of Compliance Decision Rule: No, (The test results do not include MU judgment) 1. It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. (Linkou Laboratory). 2. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. 3. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. 4. The determination of the test results does not require consideration of the uncertainty of the measurement, unless the assessment is required by customer agreement, regulation or standard document specification. 5. Bay Area Compliance Laboratories Corp. (Linkou Laboratory) is not responsible for the authenticity of the information provided by the applicant that affects the test results. 1.3 Measurement Uncertainty Parameter Uncertainty RF output power ±3.42 (dB) Bay Area Compliance Laboratories Corp. (Linkou Laboratory) No.: RLK260421066RF02 Note: It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. (Linkou Laboratory) Page 6 of 8 2. FCC §1.1310 - RF Exposure Applicable Standard RF exposure evaluation of this device was performed in accordance with the requirements of 47 CFR §1.1310 and §2.1091 for mobile devices. According to §2.1091, equipment intended to be used with a separation distance of 20 cm or more from the user may demonstrate compliance with Maximum Permissible Exposure (MPE) limits instead of SAR testing. The applicable MPE limits for the general population/uncontrolled exposure are specified in 47 CFR §1.1310(b). These limits are summarized in the table below: (B) Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) 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 Notes: • f = frequency in MHz; * = Plane-wave equivalent power density; • These values represent the power density (S) limits for general population/uncontrolled exposure. • For frequencies below 30 MHz, power density is der…

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Note: It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. (Linkou Laboratory) Page 1 of 34 FCC Part 15.247 TEST REPORT For M2communication INC. 17F.-3, No. 32, Gaotie 2nd Rd., Zhubei City, Hsinchu County ,Taiwan (R.O.C.) FCC ID: 2AFXU-EF27-S2 Report Type: Original Report Product Type: Electronic Shelf Label Report Producer : Jojo Lu Report Number : RLK260421066RF01 Report Date : 2026-05-26 Reviewed By: Jack Hsu Prepared By: Bay Area Compliance Laboratories Corp.(Linkou Laboratory) No. 6, Wende 2Rd., Guishan Dist., Taoyuan City 33382, Taiwan (R.O.C.) Tel: +886 (3)3961072; Fax: +886 (3) 3961027 www.baclcorp.com.tw Bay Area Compliance Laboratories Corp. (Linkou Laboratory) No.: RLK260421066RF01 Note: It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. (Linkou Laboratory) Page 2 of 34 Revision History Revision No. Report Number Issue Date Description Author/ Revised by 0.0 RLK260421066 RLK260421066RF01 2026-05-26 Original Report Jojo Lu Bay Area Compliance Laboratories Corp. (Linkou Laboratory) No.: RLK260421066RF01 Note: It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. (Linkou Laboratory) Page 3 of 34 TABLE OF CONTENTS 1 General Information ....................................................................................................... 5 1.1 Product Description for Equipment under Test (EUT) ......................................................... 5 1.2 Objective ............................................................................................................................... 6 1.3 Test Methodology.................................................................................................................. 6 1.4 Statement of Compliance ...................................................................................................... 6 1.5 Measurement Uncertainty ..................................................................................................... 7 1.6 Environmental Conditions ..................................................................................................... 7 1.7 Test Facility ........................................................................................................................... 7 2 System Test Configuration ............................................................................................. 8 2.1 Description of Test Configuration ......................................................................................... 8 2.2 Equipment Modifications ...................................................................................................... 8 2.3 EUT Exercise Software ......................................................................................................... 8 2.4 Test Mode .............................................................................................................................. 8 2.5 Support Equipment List and Details...................................................................................... 9 2.6 External Cable List and Details ............................................................................................. 9 2.7 Block Diagram of Test Setup ................................................................................................ 9 2.8 Duty Cycle ........................................................................................................................... 10 3 Summary of Test Results .............................................................................................. 11 4 Test Equipment List and Details ................................................................................. 12 5 FCC §15.203 – Antenna Requirements ....................................................................... 13 5.1 Applicable Standard ............................................................................................................ 13 5.2 Antenna List and Details ..................................................................................................... 13 6 FCC §15.207(a) – AC Line Conducted Emissions ..................................................... 14 6.1 Applicable Standard ............................................................................................................ 14 6.2 EUT Setup ........................................................................................................................... 14 6.3 EMI Test Receiver Setup .................................................................................................... 15 6.4 Test Procedure ..................................................................................................................... 15 6.5 Corrected Factor & Margin Calculation .............................................................................. 15 6.6 Test Results ......................................................................................................................... 16 7 FCC §15.209, §15.205 , §15.247(d) – Spurious Emissions ......................................... 17 7.1 Applicable Standard ............................................................................................................ 17 7.2 EUT Setup ........................................................................................................................... 19 7.3 EMI Test Receiver & Spectrum Analyzer Setup................................................................. 20 7.4 Test Procedure ..................................................................................................................... 20 7.5 Corrected Factor & Margin Calculation .............................................................................. 20 7.6 Test Results ............................................................................................…

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雲創Lora Antenna 【ARK2-2.7】Project Date 2026/01/16 Author Mark Cirocomm Technology Corp. www.cirocomm.com.twNo.5, Industrial 2nd Road., PingZhenDist., Taoyuan City 324, Taiwan(R.O.C) 1 天線型態TYPE 廠牌BRAND 型號Model Meandered IFA M2COMM 2.7 PCB Ant Environment 2 Antenna S11 (Case 1) 3 Antenna S11 (Case 2) 4 Antenna Efficiency 5 Frequency (MHz) 868915 Case 110.18 16.09 Case 210.14 18.51 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Efficiency (%) Frequency (MHz) Case 1 Case 2 Antenna Average Gain 6 Frequency (MHz) 868915 Case 1-9.92 -7.94 Case 2-9.94 -7.33 -16 -14 -12 -10 -8 -6 -4 -2 0 Efficiency (dB) Frequency (MHz) Case 1 Case 2 Antenna Peak Gain 7 Frequency (MHz) 868915 Case 1-8.71 -5.16 Case 2-8.29 -5.10 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 Gain (dBi) Frequency (MHz) Case 1 Case 2 Antenna 2D Pattern (Case 1) 8 XY-Plane XZ-Plane YZ-Plane Y Z X Antenna 3D Pattern (Case 1) 9 868 MHz 915 MHz Y Z X Antenna 2D Pattern (Case 2) 10 XY-Plane XZ-Plane YZ-Plane Y Z X Antenna 3D Pattern (Case 2) 11 868 MHz 915 MHz Y Z X Matching Circuit 12 電感 廠牌:murata 型號:LQP03TN8N2H02 電容 廠牌:murata 型號:GRM0335C1H1R8CA01 電感 廠牌:murata 型號:LQP03TN6N8H02 Case 1、Case 2相同匹配 Summary 13 1.依客戶提供樣機評估Lora天線。 2.依客戶提供Print Antenna 進行匹配阻抗的調整。 3.依客戶提供兩款PCBA調整匹配及整機測試天線特性。 4.天線效率約10~18%。 5.其餘此次實驗之Efficiency 、Average Gain 及Peak Gain等皆如報告所述， 供客戶參考評估

Bay Area Compliance Laboratories Corp. (Linkou Laboratory) Project No.: RLK260421066 Page 1 of 2 EUT Setup Photographs Radiated Emission (Below 1GHz)： Bay Area Compliance Laboratories Corp. (Linkou Laboratory) Project No.: RLK260421066 Page 2 of 2 Radiated Emission (Above 1GHz)： ***** END *****