2AVNE-AW1Radio Module

October 18, 2022 Page 1 / 5 P53 User Manual User instructions: This device is a subpart of various applications. Usage depends on application where device is implemented, see user manual for actual application. Operating instructions: The product is a Machine Controller board. It has Cortex M0+ MCU and for Bluetooth it has an DA14531 IC and PCB antenna. The BLE chip has 3.3V supply from on-board power supply. The machine controller has an AC motor control output and a current sense measurement circuit. It has several generic I/O’s, outputs for buzzer and solenoid and furthermore UART and SPI data connections. PCB functions: AC motor control with regulation Solenoid output Buzzer output EC motor output Current measurement circuit 5 x Generic analog inputs 3 x Generic digital I/O External UART interface for TC-1 External SPI interface General data: Rating 85-265 VAC input voltage Working temperature -10~40° C Relative Humidity: 15.0~93.0 % For Bluetooth Module: Operation Frequency: 2402 MHz ~ 2480MHz Bluetooth Version: 5.1 LE Modulation Technique: GFSK Data transmission rate: 1Mbit/s Number of Channel: 40 Antenna Type PCB Antenna Antenna Gain 3.42 dBi October 18, 2022 Page 2 / 5 Crystal: 32 MHz Installation instructions: P53 installation instruction_HU.pdf The module is limited to Nilfisk A/S installation only. Nilfisk A/S is responsible for ensuring that the end- user has no manual instruction to remove or install module. For USA FCC Statement FCC standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 PCB antenna 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. Any Changes or modifications 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 part15 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: —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 a Nilfisk service technician for help. We will retain control over the final installation of the modular such that compliance of the end product is assured. In such cases, an operating condition on the limit modular approval for the module must be only approved for use when installed in devices produced by a specific manufacturer. If any hardware modify or RF control software modify will be made by host manufacturer, C2PC or new certificate should be applied to get approval, if those change and modification made by host manufacturer not expressly approved by the party responsible for compliance, then it is illegal. FCC Radiation Exposure Statement October 18, 2022 Page 3 / 5 The modular can be installed or integrated in mobile or fix devices. This modular cannot be installed in any portable device if without any further certify include C2PC with SAR. This modular complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. This modular must be installed and operated with a minimum distance of 20 cm between the radiator and user body. If the FCC identification number is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wording such as the following: “Contains Transmitter Module FCC ID: 2AVNE-AW1 Or Contains FCC ID: 2AVNE-AW1” When the module is installed inside another device, the user manual of the host must contain below warning statements: 1. 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. (2) This device must accept any interference received, including interference that may cause undesired operation. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part15 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: —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 a Nilfisk service technician for help. 2. Changes or modifications not expressly approved by the party responsible for co…

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Page 1 / 2 Date: 11/10/2022 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Modular Approval Request FCC ID: 2AVNE-AW1 The following attestation addresses the requirements to support modular approval: Modular approval requirement Yes (provide brief statement) No * (a) The radio elements must have the radio frequency circuitry shielded. Physical components and tuning capacitor(s) may be located external to the shield, but must be on the module assembly There is no complete RF shield attached to the radio module, only a ground layer in its PCB. Therefore Nilfisk is only requesting a Limited Modular Approval. The transmitter conducted output power is below 1.8 mW. (b) The module must have buffered modulation/data inputs to ensure that the device will comply with Part 15 requirements with any type of input signal Yes (c) The module must contain power supply regulation on the module Yes (d) The module must contain a permanently attached antenna, or contain a unique antenna connector, and be marketed and operated only with specific antenna(s), per Sections 15.203, 15.204(b), 15.204(c), 15.212(a), 2.929(b) Yes (e) The module must demonstrate compliance in a stand-alone configuration Yes Page 2 / 2 Modular approval requirement Yes (provide brief statement) No * (f) The module must be labelled with its permanently affixed FCC ID label, or use an electronic display (See KDB Publication 784748 about labelling requirements) FCC ID / IC will be labelled on the PCB. 1) short-term solution: attached adhesive label 2) long-term solution: integrated in PCB silkscreen. (g) The module must comply with all specific rules applicable to the transmitter. The grantee must provide comprehensive instructions to explain compliance requirements. Yes, installation manual according to KDB996369D03 – OEM manual. Chapter 2. 2AVNE-AW1 is for use by Nilfisk production only. No external installations. Modular approval requirement Yes (provide brief statement) (h) The module must comply with RF exposure requirements Yes As transmitter conducted output power is below 1.8 mW, there is no risk of exceeding RF exposure requirements. * Please provide a detailed explanation if the answer is “No.” Sincerely, Oluf Kristensen Global Compliance Manager ___________________________________________________________________________________________________________________________________________________________________________________________ Nilfisk A/S | Regulatory Team, Corporate Affairs | Kornmarksvej 1 | DK-2605 Broendby | Cell: +45 3065 4734 | [email protected] | www.nilfisk.com

Rev 11/20/07 Nilfisk A/S Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2AVNE-AW1 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name Block Diagram Schematics Block Diagram Schematics Operation Description Operation Description PCB layout PCB layout The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Pursuant to DA04-1705 June 15, 2004 of the Commission’s public notice, we also request temporary confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name Internal Photos External Photos User’s Manual Setup Photos Internal Photos External Photos User’s Manual Setup Photos Number of days: 180 days Sincerely, (Must be signed by the person that is listed on the FCC Website) (signature) (printed name) Oluf Kristensen

External Photos Documentation Manufacturer: Nilfisk A/S. Page 1 of 3 Product: Radio Module FCC ID: 2AVNE-AW1 IC: 25476-AW1 External Photos Documentation Manufacturer: Nilfisk A/S. Page 2 of 3 Product: Radio Module FCC ID: 2AVNE-AW1 IC: 25476-AW1 External Photos Documentation Manufacturer: Nilfisk A/S. Page 3 of 3 Product: Radio Module FCC ID: 2AVNE-AW1 IC: 25476-AW1

November 04, 2022 Page 1 / 2 P53 label and location There are two solutions for label: a short-term solution and a long-term solution. The long-term solution will replace short-term solution in time. Short term solution: Paper label. November 04, 2022 Page 2 / 2 Long-term solution: Label is stamped in silk layer.

Internal Photos Documentation Manufacturer: Nilfisk A/S. Page 1 of 11 Product: Radio Module FCC ID: 2AVNE-AW1 IC: 25476-AW1 Antenna Internal Photos Documentation Manufacturer: Nilfisk A/S. Page 2 of 11 Product: Radio Module FCC ID: 2AVNE-AW1 IC: 25476-AW1 Internal Photos Documentation Manufacturer: Nilfisk A/S. Page 3 of 11 Product: Radio Module FCC ID: 2AVNE-AW1 IC: 25476-AW1 Internal Photos Documentation Manufacturer: Nilfisk A/S. Page 4 of 11 Product: Radio Module FCC ID: 2AVNE-AW1 IC: 25476-AW1 Internal Photos Documentation Manufacturer: Nilfisk A/S. Page 5 of 11 Product: Radio Module FCC ID: 2AVNE-AW1 IC: 25476-AW1 Internal Photos Documentation Manufacturer: Nilfisk A/S. Page 6 of 11 Product: Radio Module FCC ID: 2AVNE-AW1 IC: 25476-AW1 Internal Photos Documentation Manufacturer: Nilfisk A/S. Page 7 of 11 Product: Radio Module FCC ID: 2AVNE-AW1 IC: 25476-AW1 Internal Photos Documentation Manufacturer: Nilfisk A/S. Page 8 of 11 Product: Radio Module FCC ID: 2AVNE-AW1 IC: 25476-AW1 Internal Photos Documentation Manufacturer: Nilfisk A/S. Page 9 of 11 Product: Radio Module FCC ID: 2AVNE-AW1 IC: 25476-AW1 Internal Photos Documentation Manufacturer: Nilfisk A/S. Page 10 of 11 Product: Radio Module FCC ID: 2AVNE-AW1 IC: 25476-AW1 Internal Photos Documentation Manufacturer: Nilfisk A/S. Page 11 of 11 Product: Radio Module FCC ID: 2AVNE-AW1 IC: 25476-AW1

Report No: 709502219901-00B EMC_SHA_F_R_02.06E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 1 of 2 Rev. 20.00 MPE Calculation Applicant: Nilfisk A/S. Address: Korrnmarksvej 1, DK-2605 Broendby, DENMARK Product: Radio Module FCC ID: 2AVNE-AW1 Model No.: Aero P53 PCBA Reference RF report # 709502219901-00A According to subpart 15.247(i)and subpart §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Maximum Permissible Exposure (MPE) (§1.1310, §2.1091) (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 30 300–1,500 / / f/1500 30 1,500–100,000 / / 1.0 30 f = frequency in MHz; * = Plane-wave equivalent power density; According to §1.1310 and §2.1091 RF exposure is calculated. Calculated Formulary: Predication of MPE limit at a given distance S = PG/4πR² = power density (in appropriate units, e.g. mW/cm 2 ); P = power input to the antenna (in appropriate units, e.g., mW); G = power gain of the antenna in the direction of interest relative to an isotropic radiator, the power gain factor, is normally numeric gain; R = distance to the center of radiation of the antenna (appropriate units, e.g., cm); Report No: 709502219901-00B EMC_SHA_F_R_02.06E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 2 of 2 Rev. 20.00 Calculated Data: PCB antenna Maximum peak output power at antenna input terminal (dBm): 2.5 Maximum peak output power at antenna input terminal (mW): 1.78 Prediction distance (cm): 20 Antenna Gain, typical (dBi): 3.42 Maximum Antenna Gain (numeric): 2.20 The worst case is power density at predication frequency at 20 cm (mW/cm 2 ): 0.00078 MPE limit for general population exposure at prediction frequency (mW/cm 2 ): 1.0 The max power density 0.00078 (mW/cm2) < 1 (mW/cm2) Result: Compliant - TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch Reviewed by: Prepared by: Tested by: _____________________ _____________________ ______________________ Hui TONG Wenqiang LU Huali CHENG EMC Section Manager EMC Project Engineer EMC Test Engineer Date: 2022-10-27 Date: 2022-10-27 Date: 2022-10-27

EMC_SHA_F_R_02.10E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 1 of 37 Rev. 20.00 FCC/IC - TEST REPORT Report Number : 709502219901-00A Date of Issue: October 27, 2022 Model : Aero P53 PCBA Product Type : Radio Module Applicant : Nilfisk A/S. Manufacturer : Nilfisk A/S. Address : Korrnmarksvej 1, DK-2605 Broendby, DENMARK Test Result : ◼ Positive  Negative Total pages including Appendices : 37 TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch is a subcontractor to TÜV SÜD Product Service GmbH according to the principles outlined in ISO 17025. TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch reports apply only to the specific samples tested under stated test conditions. Construction of the actual test samples has been documented. It is the manufacturer's responsibility to assure that additional production units of this model are manufactured with identical electrical and mechanical components. The manufacturer/importer is responsible to the Competent Authorities in Europe for any modifications made to the production units which result in non-compliance to the relevant regulations. TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch shall have no liability for any deductions, inferences or generalizations drawn by the client or others from TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch issued reports. This report is the confidential property of the client. As a mutual protection to our clients, the public and ourselves, extracts from the test report shall not be reproduced except in full without our written approval. Report Number: 709502219901-00A EMC_SHA_F_R_02.10E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 2 of 37 Rev. 20.00 1 Table of Contents 1 Table of Contents .................................................................................................................. 2 2 Details about the Test Laboratory ......................................................................................... 3 3 Description of the Equipment under Test .............................................................................. 4 4 Summary of Test Standards .................................................................................................. 5 5 Summary of Test Results ...................................................................................................... 6 6 General Remarks .................................................................................................................. 7 7 Test Setups ........................................................................................................................... 8 8 Systems test configuration .................................................................................................. 11 9 Technical Requirement ....................................................................................................... 12 9.1 Conducted peak output power ...................................................................................... 12 9.2 6dB bandwidth and 99% Occupied Bandwidth ............................................................. 17 9.3 Power spectral density .................................................................................................. 20 9.4 Spurious RF conducted emissions ............................................................................... 22 9.5 Band edge .................................................................................................................... 26 9.6 Spurious radiated emissions for transmitter .................................................................. 29 10 Test Equipment List ......................................................................................................... 34 11 System Measurement Uncertainty ................................................................................... 35 12 Photographs of Test Set-ups ........................................................................................... 36 13 Photographs of EUT ........................................................................................................ 37 Report Number: 709502219901-00A EMC_SHA_F_R_02.10E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 3 of 37 Rev. 20.00 2 Details about the Test Laboratory Details about the Test Laboratory Test Site 1 Company name: TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch No.16 Lane, 1951 Du Hui Road, Shanghai 201108, P.R. China FCC Registration Number: 820234 Designation Number: CN1183 IC Company Number: 25988 CAB identifier: CN0101 Telephone: +86 21 6141 0123 Fax: +86 21 6140 8600 Report Number: 709502219901-00A EMC_SHA_F_R_02.10E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 4 of 37 Rev. 20.00 3 Description of the Equipment under Test Description of the Equipment Under Test Product: Radio Module Model no.: Aero P53 PCBA FCC ID: 2AVNE-AW1 IC: 25476-AW1 Options and accessories: NA Rating: AC 110-230V, 50-60Hz RF Transmission Frequency: 2402~2480 MHz No. of Operated Channel: 40 Modulation: GFSK Data transmission rate: 1 Mbit/s Antenna Type: PCB Antenna Antenna Gain: 3.42 dBi Description of the EUT: The Equipment Under Test (EUT) is a low-power embedded Bluetooth module (5.1). We tested it and listed the worst data in this report. Test sample no.: SHA-661569-2 The sample’s mentioned in this report is/are submitted/ supplied/ manufactured by client. The laboratory therefore …

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Prepared by: Xu Ying Approved by: Xu Kai TA Technology (Shanghai) Co., Ltd. Building 3, No.145, Jintang Rd, Tangzhen Industry Park, Pudong Shanghai, China TEL: +86-021-50791141/2/3 FAX: +86-021-50791141/2/3-8000 OTA TEST REPORT TA Technology (Shanghai) Co., Ltd. tested the above equipment in accordance with the requirements in ANSI/IEEE Std 149-2008. The test results show that the equipment tested is capable of demonstrating compliance with the requirements as documented in this report. Applicant Nilfisk A/S Product PCB antenna Model Aero P53 PCBA Report No. R2209A0837-T1V1 Issue Date November 1, 2022 OTA Test Report Report No: R2209A0837-T1V1 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 2 of 13 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. TABLE OF CONTENTS 1. Test Laboratory .............................................................................................................................. 4 1.1. Notes of the Test Report ................................................................................................... 4 1.2. Test facility ........................................................................................................................ 4 1.3. Testing Location ................................................................................................................ 4 1.4. Laboratory Environment .................................................................................................... 5 2. General Description of Equipment under Test ............................................................................... 6 2.1. Applicant and Manufacturer Information ............................................................................ 6 2.2. General information ........................................................................................................... 6 2.3. Test Date ........................................................................................................................... 6 2.4. Receiving Date .................................................................................................................. 6 2.5. Applied Standards ............................................................................................................. 7 3. Test Conditions .............................................................................................................................. 8 3.1. Test Configuration ............................................................................................................. 8 3.2. Test Measurement ............................................................................................................. 8 4. Test Results ................................................................................................................................... 9 4.1. Gain and Efficiency ............................................................................................................ 9 5. Equipment List ............................................................................................................................. 10 ANNEX A 3-D Pattern Plots .................................................................................................. ................. 11 ANNEX B：The EUT Appearance and Test Configuration ................................................................. 12 B.1 EUT Appearance ................................................................................................................. 12 B.2 Test Configuration .............................................................................................................. 13 OTA Test Report Report No: R2209A0837-T1V1 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 3 of 13 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. Version Revision description Issue Date Rev.0 Initial issue of report. September 27, 2022 Rev.1 Update description. November 1, 2022 Note: This revised report (Report No. R2209A0837-T1V1) supersedes and replaces the previously issued report (Report No. R2209A0837-T1). Please discard or destroy the previously issued report and dispose of it accordingly. OTA Test Report Report No: R2209A0837-T1V1 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 4 of 13 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. 1. Test Laboratory 1.1. Notes of the Test Report This report shall not be reproduced in full or partial, without the written approval of TA technology (shanghai) co., Ltd. The results documented in this report apply only to the tested sample, under the conditions and modes of operation as described herein .Measurement Uncertainties were not taken into account and are published for informational purposes only. This report is written to support regulatory compliance of the applicable standards stated above. 1.2. Test facility A2LA (Certificate Number: 3857.01) TA Technology (Shanghai) Co., Ltd. has been listed by American Association for Laboratory Accreditation to perform measurement. 1.3. Testing Location Company: TA Technology (Shanghai) Co., Ltd. Address: Building 3, No.145, Jintang Rd, Tangzhen Industry Park, Pudong Shanghai, China City: Shanghai Post code: 201201 Country: P. R. China Contact: Xu Kai Telephone: +86-021-50791141/2/3 Fax: +86-021-50791141/2/3-8000 Website: http://www.ta-shanghai.com E-mail: [email protected] OTA Test Report Report No: R2209A0837-T1V1 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 5 of 13 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. 1.4. Laboratory Environment Temperature Min. =19°C，Max. = 25°C Relative humidity Min. =40%，Max. =72% Shield effect 0.7-6GHz > 100dB Ground resistance <0.5Ω OTA Test Report Report No: R2209A0837…

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Manufacturer: Nilfisk A/S. Product: Radio Module FCC ID: 2AVNE-AW1 IC: 25476-AW1 ©2022 Not to be reproduced, except in its entirety, Page 1 of 3 without the Permission of TÜ V SÜ D Certification and Testing (China) Co., Ltd. Shanghai Branch PHOTOGRAPHS OF TEST SET UP Field Strength and Harmonics Test Setup Radiated Emission Setup 9kHz ~ 30MHz 30MHz ~ 1GHz Manufacturer: Nilfisk A/S. Product: Radio Module FCC ID: 2AVNE-AW1 IC: 25476-AW1 ©2022 Not to be reproduced, except in its entirety, Page 2 of 3 without the Permission of TÜ V SÜ D Certification and Testing (China) Co., Ltd. Shanghai Branch 1GHz ~ 18GHz 18GHz ~ 40GHz Manufacturer: Nilfisk A/S. Product: Radio Module FCC ID: 2AVNE-AW1 IC: 25476-AW1 ©2022 Not to be reproduced, except in its entirety, Page 3 of 3 without the Permission of TÜ V SÜ D Certification and Testing (China) Co., Ltd. Shanghai Branch Conducted emission Test Setup