Q4B-P3BBLE and 6LoWPAN Wireless module

IPPAN3-B Installation Manual Version 1.0 May 2020 CONTENTS 1.0 OVERVIEW 2.0 IPPAN3-B MODULE 2.1 SPECIFICATIONS 2.2 ANTENNAS 2.3 OPERATING CHANNELS 3.0 MODES OF OPERATION 4.0 INSTALLATION 4.1 DESIGN GUIDELINES 4.2 END USER GUIDELINES 5.0 AGENCY CERTIFICATIONS 6.0 OEM LABELING REQUIREMENTS 7.0 END USER LICENSE AGREEMENT 1.0 OVERVIEW Thank you for choosing the IPPAN3-B module by Wattstopper. This manual will guide you through the process of installing the module. IPPAN3-B embeds wireless IPv6-based communication into each Wattstopper or host device, and uses wireless mesh networking technology to connect to the internet. Each IPPAN3-B module has a unique IPv6 address and “smart” functionality which enables wireless data gathering, communication, and control of the host device. The IPPAN3-B module is designed to be a self-contained IEEE® 802.15.4 and BLE compliant wireless interface to be employed in conjunction with a variety of daughter boards that maintain a stable 2.1-3.3Vdc supply. IPPAN3-B provides a diverse set of I/O options such as serial interface or general purpose I/O. IPPAN3-B is comprised of a microcontroller, transceiver, amplifier, and two antennas. 2.0 IPPAN3-B MODULE FIG 1.0 2.1 SPECIFICATIONS Specification IPPAN3-B Performance Tuning Range Internally calibrated for the selected IEEE channel Data Rate 250kb/s Max 802.15.4 Radio Output Power 16.4dBm Max BLE Radio Output Power 2.0dBm 802.15.4 Receiver Sensitivity -101dBm BLE Receiver Sensitivity -96 dBm Power Requirements VCC 2.0 - 3.3Vdc, 0.3A General Dimensions 5.7 x 24.3 x 33 mm (H x W x D) Operating Temperature -30° C to + 60° C Humidity 90% RH (max), non-condensing Agency Approval United States (FCC, 15.247) Q4B-P3B Industry Canada (IC) 21161-P3B FIG 2.0 FIG 3.0 PIN # NAME DESCRIPTION 1 3v3/VCC Voltage Supply 2 UART-DOUT Serial UART Out 3 UART-DIN Serial UART In 4 GPIO_4 High Drive General Purpose Input/Output 5 RESET Module Inverted Reset 6 EXT_SPI_MISO SPI Master Input → Slave Output 7 EXT_SPI_CLK SPI Clock 8 GPIO_0 General Purpose Input/Output 9 EXT_SPI_MOSI SPI Master Output → Slave Input 10 GND Ground 11 SPARE(<10kHz) General Purpose Input/Output (Low Frequency) 12 SPARE(HI f) General Purpose Input/Output (High Frequency) 13 IN_SCLK General Purpose Input/Output 14 IN_BUS_MOSI SPI Master Output → Slave Input 15 IN_BUS_MISO SPI Master Input → Slave Output 16 SLEEP_AMP/NFC1 Radio sleep control or Near-Field Communication 17 AMP_BYPASS/NFC2 Front End Bypass or Near-Field Communication 18 CTX General Purpose Input/Output (Low Frequency) 19 GPIO_6 General Purpose Input/Output 20 SWDCLK SWD Clock 21 SWDIO SWD Data 22 GPIO_2 General Purpose Input/Output 23 GPIO_5 General Purpose Input/Output 24 EXT_SPI_CS SPI CS or General Purpose Input/Output 25 I2C_DATA I2C Data 26 I2C_CLK I2C Clock 27 GPIO-3 General Purpose Input/Output 28 GPIO_1 General Purpose Input/Output 29 AtoD PWM GPIO Analog to Digital Converter or Pulse Width Modulation or General Purpose Input/Output 30 AtoD PWM GPIO Analog to Digital Converter or Pulse Width Modulation or General Purpose Input/Output 31 AtoD PWM GPIO Analog to Digital Converter or Pulse Width Modulation or General Purpose Input/Output 32 AtoD PWM GPIO Analog to Digital Converter or Pulse Width Modulation or General Purpose Input/Output FIG 4.0 2.2 Antennas The IPPAN3-B module can have two antennas. ANT1 antenna use ceramic antenna , the gain less than 0.5dBi, and the ANT2 antenna can use Dipole antenna and other wire antennas, but the gain can not higher than 2.0dBi. 2.3 Operating Channels IPPAN3-B provides a wide range of channels. IEEE 802.15.4 Operating Channels Operating Frequency [GHz] 11 2.405 12 2.410 13 2.415 14 2.420 15 2.425 16 2.430 17 2.435 18 2.440 19 2.445 20 2.450 21 2.455 22 2.460 23 2.465 24 2.470 25 2.475 FIG 5.0 3.0 Modes of Operation The final use and application of IPPAN3-B is dependent on the firmware pre-installed at the factory. However, all applications have common modes of operations that can be summarized as follows for both the IEEE® 802.15.4 and BLE radios: NOTE: IEEE® 802.15.4 can be used only when BLE is not in use. Idle Mode IPPAN3-B enters idle mode of operation whenever the device is not in transmit, or receive mode, or when there is no data to process. Data Processing Mode When an interrupt, timer, frame reception, or frame transmission event occurs IPPAN3-B moves out of idle mode and into data processing mode. In this mode IPPAN3-B can processes information and act on data accordingly. Receive Mode When a 802.15.4, or BLE, compliant message is received by the transceiver and it’s either addressed for IPPAN3-B or broadcast the device can be said to be in receive mode. In receive mode IPPAN3-B validates data and address before accepting the message for processing. Transmit Mode In this mode IPPAN3-B generates an 802.15.4, or BLE, compliant message that can be sent directly to another IPPAN3-B or broadcast to all other IPPAN3-B modules within radio range. Transmission mode is preceded by user interaction, a data logging event, a network maintenance message or as a response to a message acknowledgement request. 4.0 INSTALLATION IPPAN3-B will come pre-programmed from the manufacturer, and in many cases pre-installed in a device. If you have elected to install IPPAN3-B in house, it is important to understand how to handle, install, and use properly. 4.1 DESIGN GUIDELINES ● The IPPAN3-B Module is designed either to be surface mounted. ● standard 20 pin footprint using the following sockets: ○ Samtec P/N: MMS-110-01-L-SV ○ Samtec P/N: SMM-110-02-SM-S ● Standard electrostatic discharge precautions should be taken when handling the module. ● The socket should be designed in a manner where the radiating structures (antenna) are away from other sensitive electronics ● No antenna modifications can be made (see section 5.0) ● FCC labeling guidelines must be maintained (see section 5.0) ● All stated electrical maximum and minimum values must be met (see section 2.1) FIG 6.0…

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SCS-F18: Project and Product Certification Representative Authorization Letter Page 1 of 3 Rev 6.0 775 Montague Expressway Milpitas, CA 95035 Tel: 408-526-1188 Fax: 408-526-1088 Email: [email protected] Project and Product Certification Representative Authorization Letter Reason for Amendment (current / obsolete) Revision History Approved Date From To Initial Release (obsolete) 1.0 1.0 Nov-14-2006 Revised wording (obsolete) 1.0 2.0 Sept–25-2007 Updated company template (obsolete) 2.0 3.0 Jan-31-2012 Updated letter information (obsolete) 3.0 4.0 May-23-2014 Added FCC ID field (obsolete) 4.0 5.0 Sep-16-2014 Updated company name & logo (current) 5.0 6.0 Jun-27-2018 SCS-F18: Project and Product Certification Representative Authorization Letter Page 2 of 3 Rev 6.0 The Watt Stopper Inc. 8/11/2020 To: BVCPS, INC. 775 Montague Expressway, Milpitas, CA 95035 USA Dear Sir/Madam, Re: Product Certification Representative Authorization Letter We, The Watt Stopper Inc. hereby authorize Bureau Veritas Consumer Product Services, Inc. to act as a Certification Body for certifying for the following project(s): FCC ID: Q4B-P3B Product Description: BLE and 6LoWPAN Wireless module Model: IPPAN3-B-LROT SCS-F18: Project and Product Certification Representative Authorization Letter Page 3 of 3 Rev 6.0 8/11/2020 To: BVCPS, INC. 775 Montague Expressway, Milpitas, CA 95035 USA Dear Sir/Madam, Re: Project and Product Certification Representative Authorization Letter We, The Watt Stopper Inc., hereby authorize Bureau Veritas Consumer Product Services, Inc. to act as a Certification Body for certifying for the following project(s): FCC ID: Q4B-P3B Product Description: BLE and 6LoWPAN Wireless module Model: IPPAN3-B-LROT We affirm that between Bureau Veritas Consumer Product Services, Inc. and The Watt Stopper Inc., any difference in understanding, including test plan, measurement methods, applicable standards and relevant procedures and processes have been resolved prior to commencement of testing activities.

SCS-F19: Confidentiality Request Letter Page 1 of 3 Rev 6.0 775 Montague Expressway Milpitas, CA 95035 Tel: 408-526-1188 Fax: 408-526-1088 Email: [email protected] Confidentiality Request Letter Reason for Amendment (current / obsolete) Revision History Approved Date From To Initial Release (obsolete) 1.0 1.0 Nov-14-2006 Adding CFR 2.459 (obsolete) 1.0 2.0 August – 11 - 2008 Updated company template & Added text box (obsolete) 2.0 3.0 Jan-31-2012 Added IC confidentiality letter form (obsolete) 3.0 4.0 March-26-2015 Corrections to STC form. Added reference to KDB (obsolete) 4.0 5.0 Nov-19-2015 Updated company logo (current) 5.0 6.0 Jun-26-2019 SCS-F19: Confidentiality Request Letter Page 2 of 3 Rev 6.0 8/11/2020 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD Subject: Permanent Confidentiality Request for FCC ID: Q4B-P3B Pursuant to sections 0.457 and 0.459 of CFR 47, we respectfully request permanent confidential treatment of the following Exhibits accompanying this application as: - Block Diagram - Schematics - Operational Description 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 disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. SCS-F19: Confidentiality Request Letter Page 3 of 3 Rev 6.0 8/11/2020 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD Subject: Permanent Confidentiality Request for FCC ID: Q4B-P3B To Whom It May Concern: Pursuant to sections 0.457 and 0.459 of CFR 47, and to avoid premature release of sensitive information prior to marketing or release of the product to the public, the applicant requests the following documents contained in this certification application be temporarily withheld from public disclosure for an initial period of 45 or 180 days; or for a specified date of / / not to exceed 180 days from the Grant Date. See KDB 726920. - User Manual - Internal Photo 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.

SCS-F26 Modular Approval Letter Page 1 of 4 Rev 12.0 775 Montague Expressway Milpitas, CA 95035 Tel: 408-526-1188 Fax: 408-526-1088 Email: [email protected] Modular Approval Declaration Letter Reason for Amendment (current / obsolete) Revision History Approved Date From To Initial Release (Obsolete) 1.0 1.0 Dec-04-2006 Added IC Modular Letter (Obsolete) 1.0 2.0 Feb 16 2009 Add LMA and MA option (Obsolete) 2.0 3.0 April 14 2010 Revised per RSS Gen issue 3.0 (Obsolete) 3.0 4.0 Jan 12 2011 Removed Foot(2) (obsolete) 4.0 5.0 July 19 2011 Adding New note per KDB996369 D01 V01R03 (obsolete) 5.0 6.0 August 29 2011 Updated company template & Added text box (obsolete) 6.0 7.0 Jan-31-2012 Updated modular requirement (obsolete) 7.0 8.0 Sept 05 2014 Updated template to meet RSP 100 issue 10 (obsolete) 8.0 9.0 Nov 20 2014 Updated template to meet RSP 100 issue 11 (obsolete)) 9.0 10.0 March 19 2015 Revised the Modular Requirement statements (obsolete) 10.0 11.0 July 28, 2016 Updated template with BV logo (current) 11.0 12.0 June 26, 2019 SCS-F26 Modular Approval Letter Page 2 of 4 Rev 12.0 The Watt Stopper Inc. 8/11/2020 IPPAN3-B-LROT FCC ID:Q4B-P3B , is seeking FCC Authorization as a Single Modular Transmitter / Single Limited Modular Transmitter (Please check one) The EUT meets the requirements for Single Modular Approval / Single Limited Modular Approval (Please check one) as detailed in KDB 996369. Compliance to each of the requirements is described below: Item Modular requirement Yes No Please provide a detailed explanation if the answer is “No.” 1 Have its own RF shielding Yes 2 Have buffered modulation/data inputs (if such inputs are provided) Yes 3 The modular transmitter must have its own power supply regulation. Yes 4 Meet the antenna requirements of section 15.203 Yes 5 Be tested in a stand-alone configuration, i.e., the antenna, AC or DC power and data input/output lines must be connected to the module but, the module must not be inside another case during testing. Yes 6 Be labeled with its own FCC ID number, and if the FCC ID 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. Yes 7 The modular transmitter is manufactured so that the user can not influence the operation of the transmitter that will operate outside of the scope of the regulations. Yes 8 Address compliance with the Commission`s RF exposure limits in Sections 1.1310 and 2.1093. Yes Note: (1) LMA may be granted when one or more of the requirements in the table above cannot be demonstrated. LMA will also be issued in those instances where applicants can demonstrate that they will retain control over the final installation of the device, such that compliance of the end product is assured. In such cases, an operating condition on the LMA for the module must state that the module is only approved for use when installed in devices produced by a specific manufacturer. When LMA is sought, the application for equipment certification must specifically state how control of the end product into which the module will be installed, and will be maintained, such that full compliance of the end product is always ensured. (2) Please provide Clear and specific instructions describing the conditions, limitations and procedures for third-parties to use and/or integrate the module into a host device. (3) For non-Software Defined Radio transmitter modules where software is used to ensure compliance of the device, technical description of how such control is implemented to ensure prevention of third party modification must be provided (see KDB 594280). Note 1: Compliance of a module in its final configuration is the responsibility of the applicant. A host device will not be considered certified if the instructions regarding antenna configuration provided in the original description, of one or more separately certified modules it contains, were not followed. Example: A separately certified low-power transceiver module using Bluetooth technology which is housed in a desktop computer, laptop or peripheral does not require the overall system to be recertified, if the desktop computer, laptop or peripheral, as a stand-alone unit, complies with all applicable technical standards. Client’s signature Client’s name / title Contact information / address

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Label and Label Location

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Report No.: LGD-ESH-P19112802B-2 Page No. 1 / 6 Report Format Verision: 6.1.1 MPE Test Report Report No.: LGD-ESH-P19112802B-2 FCC ID: Q4B-P3B Product: BLE and 6LoWPAN Wireless module Model: IPPAN3-B-LROT Received Date: Dec.08, 2019 Test Date: Mar.15 to May.29, 2020 Issued Date: Jun.02, 2020 Applicant: The Watt Stopper, Inc. Address: 2700 Zanker Road Suite 168 San Jose California United States Manufacturer: Shanghai Legrand Electrical Co.,Ltd Address: 1/F,Building 1, No.1358 Xiangyang Road, Minhang District, Shanghai Issued By: BUREAU VERITAS ADT (Shanghai) Corporation Lab Address: No. 829, Xinzhuan Road, Shanghai, P.R.China (201612) This report is for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence, provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Unless specific mention, the uncertainty of measurement has been explicitly taken into account to declare the compliance or non-compliance to the specification. The report must not be used by the client to claim product certification, approval, or endorsement by TAF or any government agencies. Report No.: LGD-ESH-P19112802B-2 Page No. 2 / 6 Report Format Verision: 6.1.1 Table of Contents Release Control Record ............................................................................................................................... 3 1 Certificate of Conformity .................................................................................................................... 4 2 General Information ........................................................................................................................... 5 2.1 General Description of EUT............................................................................................................ 5 3 RF Exposure ..................................................................................................................................... 6 3.1 Limits For Maximum Permissible Exposure (MPE) ......................................................................... 6 3.2 MPE Calculation Formula ............................................................................................................... 6 3.3 MPE Calculation Formula ............................................................................................................... 6 3.4 Calculation Result of Maximum Permissible Exposure.................................................................... 6 Report No.: LGD-ESH-P19112802B-2 Page No. 3 / 6 Report Format Verision: 6.1.1 Release Control Record Issue No. Description Date Issued LGD-ESH-P19112802B-2 Original release Jun.02, 2020 Report No.: LGD-ESH-P19112802B-2 Page No. 5 / 6 Report Format Verision: 6.1.1 2 General Information 2.1 General Description of EUT 802.15.4 Product BLE and 6LoWPAN Wireless module Brand Test Model IPPAN3-B-LROT Power Rating 2.0-3.3Vdc Modulation Type O-QPSK Modulation Technology DSSS Operating Frequency 2405MHz to 2480MHz Number of Channel 16 Antenna Type Ant 1:Ceramic Ant 2:Dipole Antenna Connector -- Antenna Gain Ant 1:0.5dBi Ant 2:2.0dBi BLE Product BLE and 6LoWPAN Wireless module Brand Test Model IPPAN3-B-LROT Power Rating 2.0-3.3Vdc Modulation Type GFSK Modulation Technology Bluetooth Low Energy 5.0 Operating Frequency 2402 ~ 2480MHz Number of Channel 40 Antenna Type Ant 1:Ceramic Ant 2:Dipole Antenna Gain Ant 1:0.5dBi Ant 2:2.0dBi Note:1. For more details, please refer to the User’s manual of the EUT. Report No.: LGD-ESH-P19112802B-2 Page No. 6 / 6 Report Format Verision: 6.1.1 3 RF Exposure 3.1 Limits For Maximum Permissible Exposure (MPE) Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Average Time (minutes) Limits For General Population / Uncontrolled Exposure 300-1,500 - - F/1500 30 1,500-100,000 - - 1.0 30 F = Frequency in MHz 3.2 MPE Calculation Formula Power density (S) is calculated according to the formula: S = PG / (4πR²) Where S = power density in mW/cm² P = transmit power in mW G = numeric gain of transmit antenna (numeric gain=Log-1(dB antenna gain/10)) R = distance (cm) 3.3 MPE Calculation Formula The antenna of this product, under normal use condition, is at least 20cm from the body of the user. So the device is classified as Mobile Device. 3.4 Calculation Result of Maximum Permissible Exposure Frequency Band (MHz) Max. Conducted output power(dBm) Antenna Gain (dBi) Distance (cm) Power Density (mW/cm 2 ) Limit (mW/cm 2 ) 2405-2480 12.00 2.0 20 0.0049998 1 2402-2480 -0.92 2.0 20 0.0002552 1 Conclusion: The calculation result of MPE is less than the limit. Note: The Bluetooth and Zigbee function can not be transmission at the same time --- END ---

Report No.: LGD-ESH-P19112802B-1 Page No. 1 / 112 Report Format Verision: 6.1.1 FCC Test Report Report No.: LGD-ESH-P19112802B-1 FCC ID: Q4B-P3B Product: BLE and 6LoWPAN Wireless module Test Model: IPPAN3-B-LROT Received Date: Dec.08, 2019 Test Date: Mar.15 to May.29, 2020 Issued Date: Jun.02, 2020 Applicant: The Watt Stopper, Inc. Address: 2700 Zanker Road Suite 168 San Jose California United States Manufacturer: Shanghai Legrand Electrical Co., Ltd Address: 1/F, Building 1, No. 1358 Xiangyang Road, Minhang District, Shanghai, China Issued By: BUREAU VERITAS ADT (Shanghai) Corporation Lab Address: No. 829, Xinzhuan Road, Shanghai, P.R.China (201612) This report is for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence, provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Unless specific mention, the uncertainty of measurement has been explicitly taken into account to declare the compliance or non-compliance to the specification. The report must not be used by the client to claim product certification, approval, or endorsement by TAF or any government agencies. Report No.: LGD-ESH-P19112802B-1 Page No. 2 / 112 Report Format Verision: 6.1.1 Table of Contents Release Control Record ............................................................................................................................... 4 1 Certificate of Conformity .................................................................................................................... 5 2 Summary of Test Results ................................................................................................................... 5 2.1 Test Instruments ............................................................................................................................ 7 2.2 Measurement Uncertainty .............................................................................................................. 8 2.3 Modification Record ....................................................................................................................... 8 3 General Information ........................................................................................................................... 9 3.1 General Description of EUT............................................................................................................ 9 3.2 Description of Test Modes .............................................................................................................10 3.2.1 Test Mode Applicability: ................................................................................................................. 11 3.2.2 Test Condition: ..............................................................................................................................12 3.3 Duty Cycle of Test Signal ..............................................................................................................13 3.4 General Description of Applied Standards .....................................................................................13 4 Test Procedure and Results ..............................................................................................................14 4.1 6dB Bandwidth Measurement .......................................................................................................14 4.1.1 Limit ..............................................................................................................................................14 4.1.2 Test Setup .....................................................................................................................................14 4.1.3 Test Procedures ............................................................................................................................14 4.1.4 Deviation of Test Standard.............................................................................................................14 4.1.5 Test Results ..................................................................................................................................15 4.2 Conducted Output Power Measurement ........................................................................................23 4.2.1 Limit ..............................................................................................................................................23 4.2.2 Test Setup .....................................................................................................................................23 4.2.3 Test Procedures ............................................................................................................................23 4.2.4 Deviation of Test Standard.............................................................................................................23 4.2.5 Test Results ..................................................................................................................................24 4.3 Power Spectral Density Measurement …

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Page 1 of 3 Test Setup Photo Page 2 of 3 1. Radiated Emission Below 1GHz Above 1GHz Page 3 of 3 2. Conducted Emission