2ADOE-PHPLUS2Water quality tester

FCC Warnning: 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. Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment. 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. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 0cm between the radiator and your body.

Industrial Test Systems, Inc. Add: 1875 Langston Street, Rock Hill, SC 29730, USA Covered Equipment Certification Attestation Letter Date: 2026-6-1 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2ADOE-PHPLUS2 Industrial Test Systems, 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. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not “covered” equipment. Industrial Test Systems, 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 a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Industrial Test Systems, Inc. (“the applicant”) certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Sincerely, Name/Title： Bin You/R&D manager Company: Industrial Test Systems, Inc. Address: 1875 Langston Street, Rock Hill, SC 29730, USA Phone: 18008619712 Fax: 18033299743 E-Mail: [email protected]

Industrial Test Systems, Inc. 1875 Langston Street, Rock Hill, SC 29730 Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2026/05/29 U.S. Agent Designation Industrial Test Systems, Inc. acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2ADOE-PHPLUS2): Name and company of U.S. agent: Industrial Test Systems, Inc. Physical U.S. address of agent: 1875 Langston Street, Rock Hill, SC 29730 FRN of U.S. agent: 0024114118 Phone of U.S. agent: 18008619712 Email address of U.S. agent: [email protected] Industrial Test Systems, Inc. acknowledges their obligation to accept service of process on behalf of Industrial Test Systems, Inc. with the FRN [0024114118] accepts its obligation to 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. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. An expiration date for this letter does not exist. Sincerely, Signature Bin You Manager Industrial Test Systems, Inc. Signature Bin You Manager Industrial Test Systems, Inc. 48_[mo del] US_Agent_2.911(d)(7) - U, V0 5

Industrial Test Systems, Inc. Add: 1875 Langston Street, Rock Hill, SC 29730, USA Date: 2026-6-1 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act as Agent On our behalf, I appoint SHENZHEN CTA TESTING TECHNOLOGY CO., LTD.,Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community,Fuhai Street, Bao‘an District, Shenzhen, China (Name of Agent company name and address) to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commission’s regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, still resides with Industrial Test Systems, Inc.,1875 Langston Street, Rock Hill, SC 29730, USA (Applicant Name and address) Sincerely, Name/Title： Bin You/R&D manager Company: Industrial Test Systems, Inc. Address: 1875 Langston Street, Rock Hill, SC 29730, USA Phone: 18008619712 Fax: 18033299743 E-Mail: [email protected]

Industrial Test Systems, Inc. Add: 1875 Langston Street, Rock Hill, SC 29730, USA Date: 2026-6-1 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Compliance Testing, LLC to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). Sincerely, Name/Title： Bin You/R&D manager Company: Industrial Test Systems, Inc. Address: 1875 Langston Street, Rock Hill, SC 29730, USA Phone: 18008619712 Fax: 18033299743 E-Mail: [email protected]

Industrial Test Systems, Inc. Add: 1875 Langston Street, Rock Hill, SC 29730, USA Date: 2026-6-1 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2ADOE-PHPLUS2 Product Name: Water quality tester Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commission’s rules, we hereby request that the following documents be held confidential: (List here the documents for which you are seeking confidentiality – for example ...) • Schematics • Block diagram • Operation description These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. Sincerely, Name/Title： Bin You/R&D manager Company: Industrial Test Systems, Inc. Address: 1875 Langston Street, Rock Hill, SC 29730, USA Phone: 18008619712 Fax: 18033299743 E-Mail: [email protected]

Industrial Test Systems, Inc. Add: 1875 Langston Street, Rock Hill, SC 29730, USA Date: 2026-6-1 FCC ID: 2ADOE-PHPLUS2 Dear Sir/Madam, We, Industrial Test Systems, Inc. Hereby declares the following statement for Federal Communications Commission, PCB board, circuit, structure and internal of these model(s) are the same, Only model number and colour is different for these model: Product name: Water quality tester Model no.: PHPLUS2, eXact pH+ II Sincerely, Name/Title： Bin You/R&D manager Company: Industrial Test Systems, Inc. Address: 1875 Langston Street, Rock Hill, SC 29730, USA Phone: 18008619712 Fax: 18033299743 E-Mail: [email protected]

FCC ID:2ADOE-PHPLUS2 External Photos of the EUT FCC ID:2ADOE-PHPLUS2

Label and Location Size: L: 2.0cm*W: 1.0cm Label and Location FCC ID : 2ADOE-PHPLUS2

FCC ID:2ADOE-PHPLUS2 Internal Photos of the EUT FCC ID:2ADOE-PHPLUS2 BLE ANT FCC ID:2ADOE-PHPLUS2 FCC ID:2ADOE-PHPLUS2

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn RF Exposure evaluation Report Reference No. .................... : FCC ID. ........................................... : CTA26040901002 2ADOE-PHPLUS2 Compiled by ( position+printed name+signature) . : File administrators Zoey Cao Supervised by ( position+printed name+signature) . : Project Engineer Ace Chai Approved by ( position+printed name+signature) . : RF Manager Eric Wang Date of issue .................................... : Apr. 14, 2026 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address ........................................... : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name ........................... : Industrial Test Systems, Inc. Address ........................................... : 1875 Langston Street, Rock Hill, SC 29730 Standard ........................................... : 47CFR §1.1310 47CFR §2.1093 KDB447498 D01 General RF Exposure Guidance v06 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purpses as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : Water quality tester Trade Mark ....................................... : Manufacturer .................................... : JiNan Huiquan Electronic Co., Ltd. Model/Type reference ...................... : PHPLUS2 Listed Models ................................... : eXact pH+ II Rating ............................................... : DC 4.5V From battery Result ............................................... : PASS Report No.: CTA26040901002 Page 2 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : Water quality tester Model /Type : PHPLUS2 Listed Models : eXact pH+ II Model Difference : The PCB board, circuit, structure and internal of these models are the same, Only model number and colour is different for these model. So the tests were performed on model PHPLUS2 and the test results for the main test model can cover the listed models. Applicant : Industrial Test Systems, Inc. Address : 1875 Langston Street, Rock Hill, SC 29730 Manufacturer : JiNan Huiquan Electronic Co., Ltd. Address : Building 120-101, Xinmao Qilu Science and Technology Park, No. 299, Zidong Avenue, Tianqiao District, Jinan City, Shandong Province, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA26040901002 Page 3 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 TEST STANDARDS ............................................................................................................ 4 2 SUMMARY .......................................................................................................................... 5 2.1 General Remarks ..................................................................................................... 5 2.2 Product Description ................................................................................................. 5 2.3 Special Accessories ................................................................................................. 5 2.4 Modifications ............................................................................................................ 5 3 TEST ENVIRONMENT ....................................................................................................... 6 3.1 Address of the test laboratory .................................................................................. 6 3.2 Test Facility .............................................................................................................. 6 3.3 Statement of the measurement uncertainty ............................................................. 6 4 Test limit .............................................................................................................................. 7 4.1 Requirement ............................................................................................................ 7 4.2 Conducted Power Results ....................................................................................... 7 4.3 Manufacturing tolerance .......................................................................................... 7 4.4 Evaluation Result ..................................................................................................... 8 4.5 Simultaneous Transmission for SAR Exclusion ...................................................... 8 5 Conclusion ........................................................................................................................... 8 Report No.: CTA26040901002 Page 4 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, …

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Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn FCC PART 15 SUBPART C TEST REPORT FCC PART 15.247 Report Reference No. ...................: FCC ID. ......................................... : CTA26040901001 2ADOE-PHPLUS2 Compiled by ( position+printed name+signature) : File administrators Zoey Cao Supervised by ( position+printed name+signature) : Project Engineer Ace Chai Approved by ( position+printed name+signature) : RF Manager Eric Wang Date of issue ...................................: Apr. 14, 2026 Testing Laboratory Name .............: Shenzhen CTA Testing Technology Co., Ltd. Address ..........................................: Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name...........................: Industrial Test Systems, Inc. Address ...........................................: 1875 Langston Street, Rock Hill, SC 29730 Test specification ......................... : Standard ..........................................: FCC Part 15.247 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Equipment description ................ : Water quality tester Trade Mark ......................................: Manufacturer ...................................: JiNan Huiquan Electronic Co., Ltd. Model/Type reference .....................: PHPLUS2 Listed Models ..................................: eXact pH+ II Modulation ......................................: GFSK Frequency .......................................: From 2402MHz to 2480MHz Ratings ............................................: DC 4.5V From battery Result ..............................................: PASS Report No.: CTA26040901001 Page 2 of 33 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : Water quality tester Model /Type : PHPLUS2 Listed Models : eXact pH+ II Model Difference : The PCB board, circuit, structure and internal of these models are the same, Only model number and colour is different for these model. So the tests were performed on model PHPLUS2 and the test results for the main test model can cover the listed models. Applicant : Industrial Test Systems, Inc. Address : 1875 Langston Street, Rock Hill, SC 29730 Manufacturer : JiNan Huiquan Electronic Co., Ltd. Address : Building 120-101, Xinmao Qilu Science and Technology Park, No. 299, Zidong Avenue, Tianqiao District, Jinan City, Shandong Province, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA26040901001 Page 3 of 33 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 TEST STANDARDS ...................................................................................................................................... 4 2 SUMMARY .................................................................................................................................................... 5 2.1 General Remarks .............................................................................................................................. 5 2.2 Product Description* .......................................................................................................................... 5 2.3 Equipment Under Test ....................................................................................................................... 5 2.4 Short description of the Equipment under Test (EUT) ...................................................................... 5 2.5 EUT configuration .............................................................................................................................. 5 2.6 EUT operation mode ......................................................................................................................... 5 2.7 Block Diagram of Test Setup ............................................................................................................. 6 2.8 Related Submittal(s) / Grant (s) ......................................................................................................... 6 2.9 Modifications ...................................................................................................................................... 6 3 TEST ENVIRONMENT ................................................................................................................................. 7 3.1 Address of the test laboratory............................................................................................................ 7 3.2 Test Facility ....................................................................................................................................... 7 3.3 Environmental conditions .................................…

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Lenze Technology Co.,LTD Tel:+86 0755-82031775;25332530 Fax:+86 0755-82713604 7 th Floor,Ching Po Buildind, 6008 shennan Avenue,Futian District, Shenzhen City, Guangdong Province,China GENERAL INFORMATION 1.1 Test Environment Condition Ambient Temperature 19 to 25 °C Ambient Relative 45 to 55 % Humidity Ambient Pressure N/A (Not applicable) 1.2 Announce (1) The test report is invalid if not marked with the signatures of the persons responsible for preparing and approving the test report. (2) The test report is invalid if there is any evidence and/or falsification. (3) The results documented in this report apply only to the tested sample, under the conditions and modes of operation as described herein. (4) This document may not be altered or revised in any way unless done so and all revisions are duly noted in the revisions section. (5) Content of the test report, in part or in full, cannot be used for publicity and/or promotional purposes without prior written approval from the laboratory. Lenze Technology Co.,LTD Tel:+86 0755-82031775;25332530 Fax:+86 0755-82713604 7 th Floor,Ching Po Buildind, 6008 shennan Avenue,Futian District, Shenzhen City, Guangdong Province,China PRODUCT INFORMATION 2.1 Applicant Applicant Lenze Technology Co.,LTD Address 7 th Floor,Ching Po Buildind, 6008 shennan Avenue, Futian District , Contact Person Tony Telephone Number +86 0755-82031775;25332530 Fax Number +86 0755-82713604 E-mail Address [email protected] 2.2 Manufacturer Manufacturer Lenze Technology Co.,LTD Address 7 th Floor,Ching Po Buildind,, 6008 shennan Avenue, Futian District , Shenzhen City, Guangdong Province, China Contact Person N/A Telephone Number N/A Fax Number N/A E-mail Address N/A 2.3 General Description for Equipment under Test (EUT) EUT Type Bluetooth Antenna Model Name SHUIBEI-V5 Antenna Type PCB Antenna Hardware Version N/A Serial Number N/A Dimensions N/A 2.4 Technical Information Frequency Range 2400MHz~ 2500MHz Test Frequencies 2402MHz, 2441MHz, 2480MHz SUMMARY OF TEST RESULTS 3.1 Test Standards No. Identity Document Title 1 IEEE149-1979 IEEE Standard Test Procedures for Antennas Lenze Technology Co.,LTD Tel:+86 0755-82031775;25332530 Fax:+86 0755-82713604 7 th Floor,Ching Po Buildind, 6008 shennan Avenue,Futian District, Shenzhen City, Guangdong Province,China 3.2Test Verdict Report Section Description Remark ANNEX A.1 Gain And Efficiency -- ANNEX B Radiation Pattern -- 3.3Test Uncertainty The uncertainty is calculated using the methods suggested in the "Guide to the Expression of Uncertainty in Measurement" (GUM) published by ISO. Item Uncertainty VSWR(S11) 0.4dB Gain 0.5dB Lenze Technology Co.,LTD Tel:+86 0755-82031775;25332530 Fax:+86 0755-82713604 7 th Floor,Ching Po Buildind, 6008 shennan Avenue,Futian District, Shenzhen City, Guangdong Province,China GENERAL TEST CONFIGURATIONS 4.1 Test Condition Environment Parameter Selected Values During Tests Temperature Voltage Relative Humidity Normal Temperature, Normal Voltage 25°C N/A 51% (NTNV) 4.2 Test Equipment List Description Manufacturer Model Serial No. Cal. Date Cal. Due Vector Network Agilent E5071C MY46103472 2014.09.07 2015.09.06 Analyzer 5*5*5 Full Anechoic SATIMO 5*5*5 N/A 2014.09.05 2015.09.04 Chamber SG24 Multi-probe Antenna Measurement SATIMO SG24-L 1101855-0001 2014.10.25 2015.10.24 System 4.3 Test Setup Lenze Technology Co.,LTD Tel:+86 0755-82031775;25332530 Fax:+86 0755-82713604 7 th Floor,Ching Po Buildind, 6008 shennan Avenue,Futian District, Shenzhen City, Guangdong Province,China ANNEX A TEST RESULTS A.1 Gain and Efficiency Frequency Peak Gain (dBi) Efficiency (%) 2402MHz 2.85 14 2441MHz 2.99 14 2480MHz 2.87 16 ANNEX B RADIATION PATTERN 3D Pattern Lenze Technology Co.,LTD Tel:+86 0755-82031775;25332530 Fax:+86 0755-82713604 7 th Floor,Ching Po Buildind, 6008 shennan Avenue,Futian District, Shenzhen City, Guangdong Province,China Lenze Technology Co.,LTD Tel:+86 0755-82031775;25332530 Fax:+86 0755-82713604 7 th Floor,Ching Po Buildind, 6008 shennan Avenue,Futian District, Shenzhen City, Guangdong Province,China 1D Radiation Pattern PHI =0 Lenze Technology Co.,LTD Tel:+86 0755-82031775;25332530 Fax:+86 0755-82713604 7 th Floor,Ching Po Buildind, 6008 shennan Avenue,Futian District, Shenzhen City, Guangdong Province,China PHI =90 THETA = 90 Lenze Technology Co.,LTD Tel:+86 0755-82031775;25332530 Fax:+86 0755-82713604 7 th Floor,Ching Po Buildind, 6008 shennan Avenue,Futian District, Shenzhen City, Guangdong Province,China ANNEX C TEST SETUP PHOTO ANNEX D EUT PHOTO

1 FCC Appendix RF Test Data for BLE FCC ID : 2ADOE-PHPLUS2 Company : Industrial Test Systems, Inc. EUT : Water quality tester Model Number : PHPLUS2 Report No. : CTA26040901001 Reviewed By : Eric Wang 2 Appendix A: DTS Bandwidth Test Result TestMode Antenna Freq(MHz) DTS BW [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict BLE_1M Ant1 2402 0.640 2401.696 2402.336 0.5 PASS 2440 0.640 2439.696 2440.336 0.5 PASS 2480 0.636 2479.700 2480.336 0.5 PASS 3 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 4 5 Appendix B: Occupied Channel Bandwidth Test Result TestMode Antenna Freq(MHz) OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict BLE_1M Ant1 2402 1.0121 2401.5178 2402.5299 --- --- 2440 1.0110 2439.5186 2440.5296 --- --- 2480 1.0107 2479.5173 2480.5280 --- --- 6 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 7 8 Appendix C: Maximum conducted output power Test Result Peak TestMode Antenna Freq(MHz) Conducted Peak Powert[dBm] Conducted Limit[dBm] Verdict BLE_1M Ant1 2402 -3.26 ≤30 PASS 2440 -3.58 ≤30 PASS 2480 -3.71 ≤30 PASS 9 Appendix D: Maximum power spectral density Test Result TestMode Antenna Freq(MHz) Result[dBm/3kHz] Limit[dBm/3kHz] Verdict BLE_1M Ant1 2402 -19.10 ≤8.00 PASS 2440 -19.26 ≤8.00 PASS 2480 -19.48 ≤8.00 PASS 10 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 11 12 Appendix E: Band edge measurements Test Result TestMod e Antenn a ChNam e Freq(MHz ) RefLevel[dBm ] Result[dBm ] Limit[dBm ] Verdic t BLE_1M Ant1 Low 2402 -3.43 -54.47 ≤-23.43 PASS High 2480 -4.32 -40.25 ≤-24.32 PASS 13 Test Graphs BLE_1M_Ant1_Low_2402 BLE_1M_Ant1_High_2480 14 Appendix F: Conducted Spurious Emission Test Result TestMode Antenna Freq(MHz) FreqRange [MHz] RefLevel [dBm] Result[dBm] Limit[dBm] Verdict BLE_1M Ant1 2402 Reference -4.94 -4.94 --- PASS 30~1000 -4.94 -68.42 ≤-24.94 PASS 1000~26500 -4.94 -45.24 ≤-24.94 PASS 2440 Reference -4.56 -4.56 --- PASS 30~1000 -4.56 -68.14 ≤-24.56 PASS 1000~26500 -4.56 -47.49 ≤-24.56 PASS 2480 Reference -4.27 -4.27 --- PASS 30~1000 -4.27 -67.55 ≤-24.27 PASS 1000~26500 -4.27 -47.53 ≤-24.27 PASS 15 Test Graphs BLE_1M_Ant1_2402_0~Reference BLE_1M_Ant1_2402_30~1000 BLE_1M_Ant1_2402_1000~26500 16 BLE_1M_Ant1_2440_0~Reference BLE_1M_Ant1_2440_30~1000 17 BLE_1M_Ant1_2440_1000~26500 BLE_1M_Ant1_2480_0~Reference BLE_1M_Ant1_2480_30~1000 18 BLE_1M_Ant1_2480_1000~26500 19 Appendix G: Duty Cycle Test Result TestMode Antenna Freq(MHz) ON Time [ms] Period [ms] X DC [%] xFactor Limit Verdict BLE_1M Ant1 2402 0.41 0.62 0.6613 66.13 1.80 --- --- 2440 0.41 0.62 0.6613 66.13 1.80 --- --- 2480 0.41 0.62 0.6613 66.13 1.80 --- --- 20 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 21 22 Appendix H: Emissions in Restricted Bands Test Result TestMode Antenna ChName Freq(MHz) Detector Freq [MHz] Result [dBm] Gain [dB] DC Factor [dB] Result [dBuV/m] Limit [dBuV/m] Verdict BLE_1M Ant1 Low 2402 AV 2310.000 -60.16 2.99 1.80 39.83 ≤54 PASS AV 2370.665 -58.91 2.99 1.80 41.08 ≤54 PASS AV 2390.000 -59.89 2.99 1.80 40.1 ≤54 PASS Peak 2310.000 -52.22 2.99 0.00 45.97 ≤74 PASS Peak 2353.970 -47.89 2.99 0.00 50.3 ≤74 PASS Peak 2390.000 -50.91 2.99 0.00 47.28 ≤74 PASS High 2480 AV 2483.500 -58.9 2.99 1.80 41.09 ≤54 PASS AV 2484.160 -58.11 2.99 1.80 41.88 ≤54 PASS AV 2500.000 -58.82 2.99 1.80 41.17 ≤54 PASS Peak 2483.500 -50.63 2.99 0.00 47.56 ≤74 PASS Peak 2488.320 -48.59 2.99 0.00 49.6 ≤74 PASS Peak 2500.000 -51.65 2.99 0.00 46.54 ≤74 PASS Note： The limit in dBm for average detector is conversion from 54dBuV/m, according to 15.209(a). The limit in dBm for peak detector is 20dB above the limit of average detector in dBm. 23 Test Graphs BLE_1M_Ant1_Low_2402_AV BLE_1M_Ant1_Low_2402_Peak BLE_1M_Ant1_High_2480_AV 24 BLE_1M_Ant1_High_2480_Peak

FCC ID:2ADOE-PHPLUS2 Test Setup Photos of the EUT