2AUXFMP87XVOXiLink Wireless Transmitters

Product Name：VOXiLink Last Modify Date： 2024/12/24 Document Name：MP87X Controlled Part of Manual Originator：JunJie Lu Doc No.：CER90312 Rev. No.：1 Page 1 of 9 ⚫ Never operate the monitor when the cover is removed. ⚫ Use only mPower replaceable battery pack P/N:025-3003-X00 ⚫ This instrument has not been tested in an explosive gas/air atmosphere having an oxygen concentration greater than 21%. ⚫ Substitution of components may impair suitability for intrinsic safety. ⚫ Substitution of components may void warranty. ⚫ This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. ⚫ CAUTION: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. ⚫ NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: ⚫ Reorient or relocate the receiving antenna. ⚫ Increase the separation between the equipment and receiver. ⚫ Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. ⚫ Consult the dealer or an experienced radio/TV technician for help. ⚫ This device complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20 cm between the radiator and your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. Read Before Operating This manual must be carefully read by all individuals who have or will have the responsibility of using, maintaining, or servicing this product. The product will perform as designed only if it is used, maintained, and serviced in accordance with the manufacturer’s instructions. The user should understand how to set the correct parameters and interpret the obtained results. Warning Product Name：VOXiLink Last Modify Date： 2024/12/24 Document Name：MP87X Controlled Part of Manual Originator：JunJie Lu Doc No.：CER90312 Rev. No.：1 Page 2 of 9 WARNINGS: CAUTION: UNDERSTAND MANUAL FIRST BEFORE OPERATING! ATTENTION: COMPRENDRE LE MANUEL AVANT D’UTILISER CE PRODUIT! Product Name：MP87X Last Modify Date： 2024/12/24 Document Name：MP87X Controlled Part of Manual Originator：JunJie Lu Doc No.：CER90312 Rev. No.：1 Page 3 of 9 MP87X Multi Gas Detector Marking MP87X Multi Gas Detector is certified by IECEx. The MP87X Multi Gas Detector contains the following marking: ⚫ Ex Mark ⚫ Ex ibIIC T4 Gb /Ex ib ia op is IIC T4 Gb ⚫ Multi Gas Detector ⚫ MP87X ⚫ VOXILink ⚫ Battery: 3.6V ⚫ Warnings: Use only mPower replaceable battery pack P/N:025-3003-X00 . UNDERSTAND MANUAL FIRST BEFORE OPERATING. ⚫ Serial No ⚫ -40°C≤Tamb≤60°C ⚫ Manufacture name and logo CAUTION: SUBSTITUTION OF COMPONENTS MAY IMPAIR INTRINSIC SAFETY. ATTENTION: LA SUBSTITUTION DE COMPOSANTS PEUT ENDOMMAGER LA SÉCURITÉ INTRINSEQUE. Product Name：MP87X Last Modify Date： 2024/12/24 Document Name：MP87X Controlled Part of Manual Originator：JunJie Lu Doc No.：CER90312 Rev. No.：1 Page 4 of 9 CAUTION: FOR SAFETY REASONS THIS EQUIPMENT MUST BE OPERATED AND SERVICED BY QUALIFIED PERSONNEL ONLY. READ AND UNDERSTAND INSTRUCTION MANUAL COMPLETELY BEFORE OPERATING OR SERVICING. ATTENTION: POUR DES RAISONS DE SÉCURITÉ, CET ÉQUIPEMENT DOIT Caution ⚫ Battery replacement can only be done by mPower Electronics or authorized service department, to avoid any damage to PCB. ⚫ Use only mPower replaceable battery pack P/N:M025-3003-X00. Product Name：MP87X Last Modify Date： 2024/12/24 Document Name：MP87X Controlled Part of Manual Originator：JunJie Lu Doc No.：CER90312 Rev. No.：1 Page 5 of 9 Year of manufacturing To identify the year of manufacturing, please refer to the serial number of the instrument. The fifth to sixth digit in the serial number indicates the year of manufacturing. 00~99 indicates the manufacturing year of 2000~2099. *The following operation instruction may changes according to firmware development. 1. Setup: a) Connection: i. Connect red (V+) & black (GND) wire to an DC supply for testing purpose. Set DC supply to 3.6V. For actual operation, a primary battery pack will be placed inside the enclosure and connected to the two power supply wires. b) Power consumption: i. LCD ON: 15 mA – jump to 21 mA briefly once a second LCD OFF: 0 mA – jump to 12 mA briefly once a second 2. Operation: a) Turn On Power: i. Open the programming port, press the red button for 3 seconds. The LCD display and LED should turn on b) LCD display: i. The LCD display shows the sensor name (H2S, LEL, etc.), measurement unit ii. (ppm, %LEL, etc.) and sensor readings. After 3 minutes, the LCD display will turn off. The LED remains on. Press once red button, the LCD display will turn on again. c) Normal mode: i. Press [↓] key, the Site ID will be displayed. After 2 seconds, it returns to ÊTRE UTILISÉ ET ENTRETÉ PAR DU PERSONNEL QUALIFIÉ UNIQUEMENT. LIRE ET COMPRENDRE LE MANUEL D'INSTRUCTIONS COMPLÈTEMENT AVANT D'UTILISER OU D'ENTRETIEN. Product Name：MP87X Last Modify Date： 2024/12/24 Document Name：MP87X Controlled Part of Manual Originator：JunJie …

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2910 Scott Blvd. Santa Clara CA 95054 USA Toll Free: +1(866)mPower7 www.mpowerinc.com 092723-17 rev 10 Certification Application Attestation Statements Date: April 6, 2026 American Certification Body, Inc. 313 Park Avenue Suite 300 Falls Church, VA 22046 To Whom It May Concern: Statement for 47 CFR section 2.911(d)(5)(i) mPower Electronics, Inc_______ certifies that as of the date of the application the equipment for which authorization is sought is not “covered” equipment 1 prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, including affiliates or subsidiaries of the named companies, the applicant must include an explanation on why the equipment is not “covered” equipment. Additional Explanation: <N/A> Statement for 47 CFR section 2.911(d)(5)(ii) mPower Electronics, Inc_______ (“the applicant”) certifies that, as of the date of the filing of this application, the applicant
- is /  - is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates – see KDB 986446 Question 5) as an entity producing “covered” equipment. The applicant also certifies that the device does not have cybersecurity and/or anti-virus software produced by Kaspersky Lab, Inc or any of its successors and assignees identified on the covered list installed on the device, nor will it be installed by the applicant at any time after certification. Thank you, By: __________________________ _____ Hong T. Sun _________ (Signature 2 ) (Print name) Title: _______President____________ Company: _mPower Electronics, Inc._____ Telephone: __408-320-1266_____ 1 - The Commission’s Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commission’s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment. https://www.fcc.gov/supplychain/coveredlist . 2 - Letters must be placed on appropriate letterhead.

2910 Scott Blvd. Santa Clara CA 95054 USA Toll Free: +1(866)mPower7 www.mpowerinc.com 092723-17 Rev 10 U.S. Agent Designation for Service of Process (Applicant is Both Grantee and U.S. Agent) TO: American Certification Body, Inc. 313 Park Avenue Suite 300 Falls Church, VA 22046 ATTENTION: FCC Certification – Section 2.911(d)(7) Information This letter is to confirm that the Applicant will also serve as the U.S. Agent for Service of Process as required by 47 CFR 2.911(d)(7). The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The Applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information changes. Applicant Company name: mPower Electronics, Inc. FRN #: 0028933448 Grantee Code: 2AUXF Contact Name: Hong Sun Street Address: 2910 Scott Blvd City/Province/Zip: Santa Clara/CA/95054 Telephone No: 408-320-1266 Email: [email protected] Applicant Signature 1 : Date: April 6, 2026 Signed by (Printed Name/Title): Hong T. Sun / President 1 - Letters must be placed on appropriate letterhead. The signee for the applicant must be one of the following: Applicant (grantee) contact of record in the FCC’s authorization system, or authorized officers or employee of the applicant (grantee).

2910 Scott Blvd. Santa Clara CA 95054 USA Toll Free: +1(866)mPower7 www.mpowerinc.com 050222-17 Authority to Act as Agent Date: April 6, 2026 American Certification Body, Inc. 313 Park Avenue Suite 300 Falls Church, VA 22046 To Whom It May Concern: ______Intertek Testing Services (Shanghai FTZ) Co., Ltd.______ is authorized to act on our behalf, until otherwise notified, for applications to American Certification Body, Inc. (ACB). We certify that we are not subject to 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. Further, no party, as defined in 47 CFR 1.2002 (b), to the application is subject to denial of federal benefits, that includes FCC benefits. We also declare that the information provided to the FCC is true and correct to the best of our knowledge (47 CFR 2.911(d)) and we have been informed of the grantee responsibilities (47 CFR 2.909) with regard to certified equipment. Thank you, Agency Agreement Expiration Date: April 3, 2027 By: __________________________ Hong T. Sun (Signature 1 ) (Print name) Title: President On behalf of: mPower Electronics, Inc. (Company Name) Telephone: 408-320-1266 1 - Must be signed by applicant contact given for applicant on the FCC site, or by the authorized agent if an appropriate authorized agent letter has been provided. Letters should be placed on appropriate letterhead.

2910 Scott Blvd. Santa Clara CA 95054 USA Toll Free: +1(866)mPower7 www.mpowerinc.com 050222-17 Request for Confidentiality Date: April 6, 2026 Subject: Confidentiality Request for: ______FCC ID:2AUXFMP87X____ Pursuant to FCC 47 CFR 0.457(d) and 0.459 and/or IC RSP-100, Section 12.4, the applicant requests that a part of the subject application(s) be held confidential. Type of Confidentiality Requested Exhibit
Short Term  Permanent Block Diagrams
Short Term --------------------------- External Photos
Short Term
Permanent * 1 Internal Photos
Short Term  Permanent Operation Description/Theory of Operation
Short Term
Permanent Parts List & Placement/BOM
Short Term
Permanent Tune-Up Procedure
Short Term
Permanent Schematics
Short Term --------------------------- Test Setup Photos
Short Term
Permanent * 1 User’s Manual _mPower Electronics, Inc___ has spent substantial effort in developing this product and it is one of the first of its kind in industry. Having the subject information easily available to "competition" would negate the advantage they have achieved by developing this product. Not protecting the details of the design will result in financial hardship. Permanent Confidentiality: The applicant requests the exhibits listed above as permanently confidential be permanently withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public. Short-Term Confidentiality for FCC Applications: The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of __ (specify number of days not to exceed 180) 2 ___ days from the date of the Grant of Equipment Authorization and prior to marketing. This is to avoid premature release of sensitive information prior to marketing or release of the product to the public. Applicant is also aware that they are responsible to notify ACB in the event information regarding the product or the product is made available to the public before the requested period has expired. ACB will then release the documents listed above for public disclosure pursuant to FCC Public Notice DA 04-1705. Short Term Confidentiality for Industry Canada Applications: Starting May 2022, ISED will recognize short term confidentiality on certain exhibits until the intended date of marketing. The applicant requests the exhibits selected above as short term confidential be withheld from public view until: (specify ISED expiration date / date of marketing) . Sincerely, By: __________________________ ________________________ (Signature/Title 3 ) (Print name) 1 - The asterisked items (*) require further information to be provided to ACB before permanent confidentiality will be extended to these exhibits. Please refer to FCC KDB 726920 and the specific Document link for D01 found at: https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=41731 and review section II, 3) regarding specific information that must accompany these requests. 2 - Please refer to https://acbcert.com/documents/misc-docs/Memo-Short-Term-Vs-Standard-Confidentiality.pdf for complete details. 3 - Must be signed by applicant contact given for applicant on the FCC site, or by the authorized agent if an appropriate authorized agent letter has been provided. Letters should be placed on appropriate letterhead.

FCC ID: 2AUXFMP87X FCC ID: 2AUXFMP87X FCC ID: 2AUXFMP87X FCC ID: 2AUXFMP87X

Label and label location

FCC ID: FCC ID: 2AUXFMP87X FCC ID: FCC ID: 2AUXFMP87X FCC ID: FCC ID: 2AUXFMP87X FCC ID: FCC ID: 2AUXFMP87X FCC ID: FCC ID: 2AUXFMP87X FCC ID: FCC ID: 2AUXFMP87X FCC ID: FCC ID: 2AUXFMP87X FCC ID: FCC ID: 2AUXFMP87X

mPower Electronics, Inc. SAR COMPLIANCE REPORT Report Type: FCC SAR assessment report Model: MP87X REPORT NUMBER: 2601B2072SHA-002 ISSUE DATE: July 1, 2026 DOCUMENT CONTROL NUMBER: TTRFFCCSAR-01_V1 © 2018 Intertek Intertek Testing Services Shanghai Building No.86, 1198 Qinzhou Road (North) Caohejing Development Zone Shanghai 200233, China Telephone: 86 21 6127 8200 www.intertek.com TEST REPORT 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. TTRFFCCSAR-01_V1© 2018 Intertek Page 2 of 8 Report no.: 2601B2072SHA-002 Applicant: mPower Electronics, Inc. 2910 Scott Blvd. Santa Clara, CA 95054, United States Manufacturer: mPower Electronics, Inc. 2910 Scott Blvd. Santa Clara, CA 95054, United States FCC ID: 2AUXFMP87X SUMMARY: The equipment complies with the requirements according to the following standard(s) or Specification: KDB 447498 D01 General RF Exposure Guidance v06 FCC Part2.1091, FCC Part1.1307(b) PREPARED BY: REVIEWED BY: Project Engineer Alexander Li Reviewer Wakeyou Wang Report No.: 2601B2072SHA-002 TEST REPORT TTRFFCCSAR-01_V1© 2018 Intertek Page 3 of 8 Revision History Report No. Version Description Issued Date 2601B2072SHA-002 Rev. 01 Initial issue of report July 1, 2026 Report No.: 2601B2072SHA-002 TEST REPORT TTRFFCCSAR-01_V1© 2018 Intertek Page 4 of 8 1 GENERAL INFORMATION 1.1 Description of Equipment Under Test (EUT) Product name: VOXiLink Wireless Transmitters Type/Model: MP87X Description of EUT: The EUT is a gas detector with LoRa function. Rating: 3.6Vdc by Battery Category of EUT: Class B EUT type: Table top Floor standing Software Version: / Hardware Version: / Sample received date: January 12, 2026 Date of test: January 12, 2026 to June 8, 2026 1.2 Technical Specification Frequency Range: 904.5MHz to 927MHz Type of Modulation: LoRa Channel Number: 16 Channel Separation: 1.5MHz Antenna: 1.45dBi, Rod antenna Report No.: 2601B2072SHA-002 TEST REPORT TTRFFCCSAR-01_V1© 2018 Intertek Page 5 of 8 1.3 Description of Test Facility Name: Intertek Testing Services (Shanghai FTZ) Co., Ltd Address: Building 86, No. 1198 Qinzhou Road(North), Shanghai 200233, P.R. China Telephone: 86 21 61278200 Telefax: 86 21 54262353 The test facility is recognized, certified, or accredited by these organizations: CNAS Accreditation Lab Registration No. CNAS L21189 FCC Accredited Lab Designation Number: CN0175 IC Registration Lab CAB identifier.: CN0014 VCCI Registration Lab Registration No.: R-14243, G-10845, C-14723, T-12252 A2LA Accreditation Lab Certificate Number: 3309.02 Report No.: 2601B2072SHA-002 TEST REPORT TTRFFCCSAR-01_V1© 2018 Intertek Page 6 of 8 2 MPE Assessment Test result: Pass 2.1 MPE Assessment Limit Mobile device exposure for standalone operations: Frequency range E-field strength (V/m) H-field strength (A/m) B-field (uT) Equivalent plane wave power density S eq (W/m 2 ) 0-1 Hz - 3,2 × 10 4 4 × 10 4 - 1-8 Hz 10 000 3,2 × 10 4 /f 2 4 × 10 4 /f 2 - 8-25 Hz 10 000 4 000/f 5 000/f - 0,025-0,8 kHz 250/f 4/f 5/f - 0,8-3 kHz 250/f 5 6,25 - 3-150 kHz 87 5 6,25 - 0,15-1 MHz 87 0,73/f 0,92/f - 1-10 MHz 87/f 1/2 0,73/f 0,92/f - 10-400 MHz 28 0,073 0,092 2 400-2 000 MHz 1,375 f 1/2 0,0037 f 1/2 0,0046 f 1/2 f/200 2-300 GHz 61 0,16 0,20 10 Mobile device exposure for simultaneous transmission operations: the sum of the MPE ratios for all simultaneously transmitting antennas incorporated in a host device is ≤ 1.0 Report No.: 2601B2072SHA-002 TEST REPORT TTRFFCCSAR-01_V1© 2018 Intertek Page 7 of 8 2.2 Assessment Results Power density (S) is calculated according to the formula: S = PG / (4πR²) Where S = power density in mW/cm² P = Conducted transmit power in mW G = numeric gain of transmit antenna R = distance (cm) As we can see from the test report 2601B2072SHA-001: The calculations in the table below use the highest gain of antenna for client EUT. These calculations represent worst case in terms of the exposure levels. Mode Peak Power Peak Power Antenna Gain Antenna Gain R S Limits dBm mW dBi Numeric (cm) (mW/cm2) (mW/cm2) LoRa (904.5-927MHz) 19.23 83.75 1.45 1.40 20 0.0233 1 Note: 1 mW/cm2 from 1.310 Table 1 Therefore, the MPE requirement is deemed to be satisfied without test. Report No.: 2601B2072SHA-002 TEST REPORT TTRFFCCSAR-01_V1© 2018 Intertek Page 8 of 8 Appendix I Definition below must be outlined in the User Manual: To satisfy FCC RF exposure requirements, a separation distance of 20 cm or more should be maintained between the antenna of this device and persons during device operation. To ensure compliance, operations closer than this distance are not recommended. *************************************** END ****************************************

mPower Electronics, Inc. RF TEST REPORT Report Type: FCC Part 15.247 RF report Model: MP87X REPORT NUMBER: 2601B2072SHA-001 ISSUE DATE: July 1, 2026 DOCUMENT CONTROL NUMBER: TTRF15.247-02_V1 © 2018 Intertek Intertek Testing Services (Shanghai FTZ) Co., Ltd Building No.86, 1198 Qinzhou Road (North) Caohejing Development Zone Shanghai 200233, China Telephone: 86 21 6127 8200 www.intertek.com TEST REPORT 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. TTRF15.247-02_V1 © 2018 Intertek Page 2 of 40 Report no.: 2601B2072SHA-001 Applicant: mPower Electronics, Inc. 2910 Scott Blvd. Santa Clara, CA 95054, United States Manufacturer: mPower Electronics, Inc. 2910 Scott Blvd. Santa Clara, CA 95054, United States FCC ID: 2AUXFMP87X SUMMARY: The equipment complies with the requirements according to the following standard(s) or Specification: 47CFR Part 15 (2024): Radio Frequency Devices (Subpart C) ANSI C63.10-2020+Cor. 1-2023+C63.10a-2024 + Errata to C63.10a-2024: American National Standard of Procedures for Compliance Testing of Unlicensed Wireless Devices PREPARED BY: REVIEWED BY: Project Engineer Alexander Li Reviewer Wakeyou Wang Report No.: 2601B2072SHA-001 TEST REPORT TTRF15.247-02_V1 © 2018 Intertek Page 3 of 40 Content REVISION HISTORY ....................................................................................................................................................... 5 MEASUREMENT RESULT SUMMARY ............................................................................................................................. 6 1 GENERAL INFORMATION ..................................................................................................................................... 7 1.1 DESCRIPTION OF EQUIPMENT UNDER TEST (EUT)......................................................................................................... 7 1.2 TECHNICAL SPECIFICATION ........................................................................................................................................ 7 1.3 DESCRIPTION OF TEST FACILITY .................................................................................................................................. 8 2 TEST SPECIFICATIONS........................................................................................................................................... 9 2.1 STANDARDS OR SPECIFICATION ................................................................................................................................... 9 2.2 MODE OF OPERATION DURING THE TEST ...................................................................................................................... 9 2.3 TEST SOFTWARE LIST.............................................................................................................................................. 10 2.4 TEST PERIPHERALS LIST ........................................................................................................................................... 10 2.5 TEST ENVIRONMENT CONDITION: ............................................................................................................................. 10 2.6 INSTRUMENT LIST ................................................................................................................................................. 11 2.7 MEASUREMENT UNCERTAINTY ................................................................................................................................. 12 3 MINIMUM 6DB BANDWIDTH ............................................................................................................................ 13 3.1 LIMIT ................................................................................................................................................................. 13 3.2 MEASUREMENT PROCEDURE .................................................................................................................................. 13 3.3 TEST CONFIGURATION ........................................................................................................................................... 13 3.4 TEST RESULTS OF MINIMUM 6DB BANDWIDTH ........................................................................................................... 14 4 MAXIMUM CONDUCTED OUTPUT POWER AND E.I.R.P. ..................................................................................... 15 4.1 LIMIT ................................................................................................................................................................. 15 4.2 MEASUREMENT PROCEDURE .................................................................................................................................. 15 4.3 TEST CONFIGURATION ........................................................................................................................................... 16 4.4 TEST RESULTS OF MAXIMUM CONDUCTED OUTPUT POWER ........................................................................................... 16 5 POWER SPECTRUM DENSITY ......…

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FCC ID: 2AUXFMP87X Appendix A: DTS Bandwidth Test Result TestMode Antenna Frequency[MHz] DTS BW [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict LORA Ant1 904.5 0.621 903.879 905.121 0.5 PASS 915.0 0.604 914.396 915.604 0.5 PASS 927.0 0.619 926.381 927.619 0.5 PASS FCC ID: 2AUXFMP87X Test Graphs Low Channel (904.5MHz) Middel Channel (915.0MHz) High Channel (927.0MHz) FCC ID: 2AUXFMP87X Appendix B: Occupied Channel Bandwidth Test Result TestMode Antenna Frequency[MHz] OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict LORA Ant1 904.5 0.4981 904.0019 904.9981 --- --- 915.0 0.5000 914.5000 915.5000 --- --- 927.0 0.4977 926.5023 927.4977 --- --- FCC ID: 2AUXFMP87X Test Graphs Low Channel (904.5MHz) Middel Channel (915.0MHz) High Channel (927.0MHz) FCC ID: 2AUXFMP87X Appendix C: Maximum conducted output power Test Result Peak TestMode Antenna Frequency[MHz] Conducted Peak Powert[dBm] Conducted Limit[dBm] EIRP[dBm] EIRP Limit[dBm] Verdict LORA Ant1 904.5 19.23 ≤30 20.68 ≤36 PASS 915.0 19.15 ≤30 20.60 ≤36 PASS 927.0 18.50 ≤30 19.95 ≤36 PASS Test Graphs Peak Low Channel (904.5MHz) Middel Channel (915.0MHz) High Channel (927.0MHz) FCC ID: 2AUXFMP87X FCC ID: 2AUXFMP87X Appendix D: Maximum power spectral density Test Result TestMode Antenna Frequency[MHz] Result[dBm/3kHz] Limit[dBm/3kHz] Verdict LORA Ant1 904.5 6.49 ≤8.00 PASS 915.0 6.09 ≤8.00 PASS 927.0 6.32 ≤8.00 PASS FCC ID: 2AUXFMP87X Test Graphs Low Channel (904.5MHz) Middel Channel (915.0MHz) High Channel (927.0MHz) FCC ID: 2AUXFMP87X Appendix E: Band edge measurements Test Result TestMod e Antenn a ChNam e Frequency[MHz ] RefLevel[dBm ] Result[dBm ] Limit[dBm ] Verdic t LORA Ant1 Low 904.5 18.77 -34.34 ≤-1.23 PASS High 927.0 18.49 -17.11 ≤-1.51 PASS FCC ID: 2AUXFMP87X Test Graphs Low Channel (904.5MHz) High Channel (927.0MHz) FCC ID: 2AUXFMP87X Appendix F: Conducted Spurious Emission Test Result TestMod e Antenn a Frequency[MHz ] FreqRange [MHz] RefLeve l [dBm] Result[dBm ] Limit[dBm ] Verdic t LORA Ant1 904.5 Reference 19.23 19.23 --- PASS 30~1000 19.23 -55.51 ≤-0.77 PASS 1000~2650 0 19.23 -29.58 ≤-0.77 PASS 915.0 Reference 19.05 19.05 --- PASS 30~1000 19.05 -56.11 ≤-0.95 PASS 1000~2650 0 19.05 -27.35 ≤-0.95 PASS 927.0 Reference 18.50 18.50 --- PASS 30~1000 18.50 -56.04 ≤-1.50 PASS 1000~2650 0 18.50 -23.42 ≤-1.50 PASS FCC ID: 2AUXFMP87X Test Graphs Low Channel (904.5MHz)_0~Reference Low Channel (904.5MHz)_30~1000 Low Channel (904.5MHz)_1000~26500 FCC ID: 2AUXFMP87X Middel Channel (915.0MHz)_0~Reference Middel Channel (915.0MHz)_30~1000 Middel Channel (915.0MHz)_1000~26500 FCC ID: 2AUXFMP87X High Channel (927.0MHz)_0~Reference High Channel (927.0MHz)_30~1000 High Channel (927.0MHz)_1000~26500

MODEL:SA2301-915MHz Manufacturer：Shenzhen Sida RF Technology Co., Ltd. Address：2nd Floor, Building D, No. 36 Dakang Road, Henggang Subdistrict, Longgang District, Shenzhen, Guangdong, China TechnicalParameters AntennaCharacteristicsDescription FrequencyRange915MHz AntennaGain1.45dBi VoltageStandingWaveRatio ≤ 2 PolarizationVerticalPolarization RadiationPatternOmnidirectional InputImpedance 50 Ω MetalMaterialCopperPlatedBlack StructuralFeatures AntennaSize230mm AntennaMaterialSteelWirewithRubberCoating Weight30g ConnectorTypeTNC(Male)StraightPlug OperatingEnvironment OperatingTemperature -20 °C ~+80 °C StorageTemperature -50 °C ~+85 °C

FCC ID: 2AUXFMP87X Radiated emission test below 1GHz Radiated emission test above 1GHz FCC ID: 2AUXFMP87X RF Conducted test