2ADHKR34MLow Power LoRa Sub-1GHz Module

WLR089U0/WLR089UC Regulatory Compliance Information Revision 0.0 Jul’ 2020 1 Revision 0.0 (07/2020) Preliminary Revision 0.0 (07/2020) Preliminary This document covers the Regulatory Compliance information which will be part of the WLR089U0/WLR089UC datasheet and related documents shared with customers. 1.1 Antenna Considerations: Table 1-1 provides the list of Approved antennas along with the manufacturer and part number details. Part Number Manufacturer Antenna Gain @ 915 MHz Band Antenna type Cable Length/Remarks RFA-S1-C55H1- 150D034 ALEAD technology 2.0dBi half-wave dipole 150mm TH-89F-150mm-IPEX BJTEK NAVIGATION,INC . 1.5dBi half-wave dipole 150mm GWF-152XMPXX-H015 Joymax Electronics Co., Ltd 2dBi half-wave dipole 153mm GWF-152XRSXX-H015 Joymax Electronics Co., Ltd 2dBi half-wave dipole Antenna has 156mm cable with RP-SMA plug and RP-SMA receptacle to u.FL cable of length 50mm used as adapter (Refer note 1 and 2) 6610D13081-100 Kinsun 2dBi half-wave dipole 100mm 6610C03061 Kinsun 2dBi half-wave dipole RP-SMA receptacle to u.FL cable of length 203.20mm used as adapter (Refer note 1 and 2) RFDPA131015IMBB301 PSA Walsin technology Corporation 0.90 dBi half-wave dipole 150mm RFA-ZW-C55-B-RP- D034 ALEAD technology 2.0dBi half-wave dipole RP-SMA receptacle to u.FL cable of length 203.20mm used as adapter (Refer note 1 and 2) Note: 2 Revision 0.0 (07/2020) Preliminary 1) If the end-product using the Module is designed to have an antenna port that is accessible to the end-user then a unique antenna connector (as permissible by FCC) must be used (e.g. RP (Reverse Polarity)-SMA socket). 2) If an RF coaxial cable is used between the module RF output and the enclosure, then a unique antenna connector must be used in the enclosure wall for interface with antenna. 1.2 WLR089U0/WLR089UC Usage Instructions under Modular Approval For USA/Canada, the module has been certified for the modulation modes listed below. The user must ensure that the module will only work on the 902-928 MHz frequency band and with one of the modulation modes listed below, when used in USA and Canada. • Operating Channels: • 500kHz BW: • 903MHz ~ 927.5MHz o 8 Uplink Channels, Channel Spacing 1.6MHz o 8 Downlink Channels, Channel Spacing 0.6MHz • 125kHz BW: o 902.3MHz ~ 927.5MHz ▪ 64 Channels, Channel Spacing 200kHz o 902.3MHz ~ 927.3 MHz ▪ 26 Channels, Channel Spacing 1MHz • Modulation: LoRa® • Spreading Factor: • 500kHz BW: 7~12 • 125kHz BW: 7~10 The host product manufacturer must ensure that the RF behavior adheres to the certification (e.g. FCC, ISED) requirements when the module is installed in the final host product. The availability of some specific channels and/or operational frequency bands are country dependent and should be programmed at the Host product factory to match the intended destination. Regulatory bodies prohibit exposing the settings to the end user. This requirement needs to be taken care of via Host implementation. The Host product manufacturer must ensure that the RF behavior adheres to the certification (e.g. FCC, ISED) requirements when the module is installed in the final Host product. 1.4 Host Board Top Layer Instructions: 3 Revision 0.0 (07/2020) Preliminary The top layer (underneath the module) of the host PCB must be ground with as many GND vias as possible. 2 WLR089U0/WLR089UC Usage Instructions under Modular Approval The WLR089U0 module has received regulatory approval for the following countries: – United States/FCC ID: 2ADHKR34M – Canada/ISED: • IC: 20266-R34M • HVIN: WLR089U0 • PMN: WLR089U The WLR089UC module has received regulatory approval for the following countries: – United States/FCC ID: 2ADHKR34M – Canada/ISED: • IC: 20266-R34M • HVIN: WLR089UC • PMN: WLR089U 2.1 United States The WLR089U0/WLR089UC module has received Federal Communications Commission (FCC) CFR47 Telecommunications, Part 15 Subpart C “Intentional Radiators” single-modular approval in accordance with Part15.212 Modular Transmitter approval. Single-modular transmitter approval is defined as a complete RF trans- mission sub-assembly, designed to be incorporated into another device, that must demonstrate compliance with FCC rules and policies independent of any host. A transmitter with a modular grant can be installed in different end-use products (referred to as a host, host product, or host device) by the grantee or other equipment manufacturer, then the host product may not require additional testing or equipment authorization for the transmitter function provided by that specific module or limited module device. The user must comply with all of the instructions provided by the Grantee, which indicate installation and/or operating conditions necessary for compliance. The host product itself is required to comply with all other applicable FCC equipment authorizations regulations, requirements and equipment functions that are not associated with the transmitter module portion. For example, compliance must be demonstrated: to regulations for other transmitter components within a host product; to requirements for unintentional radiators(Part 15 Subpart B), such as digital devices, computer peripherals, radio receivers, etc.; and to additional authorization requirements for the non-transmitter functions on the transmitter module (i.e., Suppliers Declaration of Conformity (SDoC) or certification) as appropriate (for example, Bluetooth and Wi-Fi transmitter modules may also contain digital logic functions). 2.1.1 LABELING AND USER INFORMATION REQUIREMENTS The WLR089U0/WLR089UC module has been 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 finished product into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wordings follows: For the WLR089U0/WLR089UC Contains Transmitter Module FCC ID: 2ADHKR34M or 4 Revision 0.0 (07/2020) Preliminary Contains FCC ID: 2ADHK…

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Microchip Technology Incorporated 2355 West Chandler Blvd. Chandler, AZ 85224-6199 Main Office 480-792-7200 Fax 480-899-9210 Authority to Act as Agent D ate: 26 May 2020 TUV Rheinland Group 762 Park Avenue Youngsville, NC 27596 To Whom It May Concern: I appoint TÜV Rheinland Taiwan Ltd. 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 FCC or Industry Canada’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, as specified by TUV Rheinland Group, still resides with Microchip Technology Inc. / 2355 West Chandler Blvd., Chandler, AZ 85224-6199, USA F or TCB applications, 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. Thank you, Agency Agreement Expiration Date: Permanent By : Steve Caldwell (Signature) (Print Name) Title : Vice President Telephone : 480-792-7464 On behalf of : Microchip Technology Inc. (Company Name)

Microchip Technology Incorporated 2355 West Chandler Blvd. Chandler, AZ 85224-6199 Main Office 480-792-7200 Fax 480-899-9210 Confidentiality Letter Date: 15 Jul 2020 Subject: Confidentiality Request for FCC ID: 2ADHKR34M and IC: 20266-R34M ; Pursuant to FCC 47 CRF 0.457(d) and 0.459 and IC RSP-100, Section 10, the applicant requests that a part of the subject FCC/IC application be held confidential. Type of Confidentiality Requested Exhibit Short Term Permanent Block Diagrams Short Term External Photos Short Term Permanent Internal Photos Short Term Permanent Operation Description/Theory of Operation Short Term Permanent Part List/Tune-Up Procedure Short Term Permanent Schematics Short Term Test Setup Photos Short Term Permanent User’s Manual Microchip Technology 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: The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of 180 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 TUV Rheinland in the event information regarding the product or the product is made available to the public. TUV Rheinland will then release the documents listed above for public disclosure pursuant to FCC Public Notice DA 04- 1705. Sincerely, Vice President By: Steve Caldwell (Signature/Title) (Print name)

Applicant/Grantee Microchip Technology Inc. FCC ID: 2ADHKR34M Section 15.212 Modular Transmitters / X Request for Modular Approval Request for Limited Modular Approval Requirements Device Conditions Comply (Y/N) Single Modular Approval Requirements 1 The radio elements must have the radio frequency circuitry must be shielded. Physical/discrete and tuning capacitors may be located external to the shield, but must be on the module assembly. The module has its own RF shielding. Shield Can is employed on the board structure, please see exhibition External Photo, the emission measurement was conducted without further shielding added. Y 2 The module shall have buffered modulation/data input(s) (if such inputs are provided) to ensure that the module will comply with the requirements set out in the applicable RSS standard under conditions of excessive data rates or over-modulation. All modulation and data input(s) are Buffered on the EUT. These are integrated on the RF chip Y 3 The module shall have its own power supply regulation on the module. This is to ensure that the module will comply with the requirements set out in the applicable standard regardless of the design of the power supplying circuitry in the host device which houses the module. Requirements set out in the applicable standard regardless of the design of the power supplying circuitry in the host device which houses the module. The EUT and the RF SiP (System in package) has integrated LDOs to provide the required core voltages for RF sections including both Transmitter and Receiver sections. Y 4 The module shall comply with the provisions for external power amplifiers and antennas detailed in this standard. The Equipment certification submission shall contain a detailed description of the configuration of all antennas that will be used with the module. Includes different antenna assemblies in the list, it is connected by an u.FL connector based cable to EUT. Y 5 The module shall be tested for compliance with the applicable standard in a stand- alone configuration, i.e. the module must not be inside another device during testing. The modular transmitter was tested in a stand-alone configuration. See Setup Photos. Y 6 The module shall comply with the Category I equipment labelling requirements. In the exhibition OEM manual, there are Instructions given to the OEM on how to label the end product. See Label Exhibit. Y 7 The modular transmitter complies with all specific rules or operating requirements that ordinarily apply to a complete transmitter and the manufacturer will provide adequate instructions along with the module to explain any such requirements. A copy of these instructions is included in this application for equipment authorization: Instructions in User Manual Y 8a Address compliance with the Commission's RF exposure limits in Sections 1.1310 and 2.1093. In addition, spread spectrum transmitters operating under Section 15.247 are required to address RF exposure compliance in accordance with Section 15.247(b)(4). Please refer the Maximum Permissible Exposure Information. Y A limited modular approval may be granted for single or split modular transmitters that do not comply with all of the above requirements, e.g., shielding, minimum signaling amplitude, buffered modulation/data inputs, or power supply regulation, if the manufacturer can demonstrate by alternative means in the application for equipment authorization that the modular transmitter meets all the applicable Part 15 requirements under the operating conditions in which the transmitter will be used. Limited modular approval also may be granted in those instances where compliance with RF exposure rules is demonstrated only for particular product configurations. The applicant for certification must state how control of the end product into which the module will be installed will be maintained such that full compliance of the end product is always ensured. Signature Name/Title: Steve Caldwell / Vice President, Wireless Solutions Group Company Name: Microchip Technology Inc. Date: 15 Jul 2020

Appendix P Photo Documentation Page 1 of 10 60390718 001 Product: Low Power LoRa® Sub-1GHz Module Type Identification: WLR089U0, WLR089UC WLR089U0/WLR089UC : Radiated Sample for External Antenna WLR089U0/WLR089UC : Conducted Sample Appendix P Photo Documentation Page 2 of 10 60390718 001 Product: Low Power LoRa® Sub-1GHz Module Type Identification: WLR089U0, WLR089UC WLR089U0 Top view WLR089U0 Bottom view Appendix P Photo Documentation Page 3 of 10 60390718 001 Product: Low Power LoRa® Sub-1GHz Module Type Identification: WLR089U0, WLR089UC Slno. Part Number Manufacturer Peak Antenna Gain Antenna type 1 RFA-S1-C55H1- 150D034 ALEAD technology 2.0dBi half-wave dipole Appendix P Photo Documentation Page 4 of 10 60390718 001 Product: Low Power LoRa® Sub-1GHz Module Type Identification: WLR089U0, WLR089UC Slno. Part Number Manufacturer Peak Antenna Gain Antenna type 2 TH-89F-150mm- IPEX BJTEK NAVIGATION,INC. 1.5dBi half-wave dipole Appendix P Photo Documentation Page 5 of 10 60390718 001 Product: Low Power LoRa® Sub-1GHz Module Type Identification: WLR089U0, WLR089UC Slno. Part Number Manufacturer Peak Antenna Gain Antenna type 3 GWF-152XMPXX-H015 Joymax Electronics Co., Ltd 2dBi 1/2 Wavelength Dipole Antenna Appendix P Photo Documentation Page 6 of 10 60390718 001 Product: Low Power LoRa® Sub-1GHz Module Type Identification: WLR089U0, WLR089UC Slno. Part Number Manufacturer Peak Antenna Gain Antenna type 4 GWF-152XRSXX-H015 Joymax Electronics Co., Ltd 2dBi 1/2 Wavelength Dipole Antenna Appendix P Photo Documentation Page 7 of 10 60390718 001 Product: Low Power LoRa® Sub-1GHz Module Type Identification: WLR089U0, WLR089UC Slno. Part Number Manufacturer Peak Antenna Gain Antenna type 5 6610D13081-100 Kinsun 2dBi 1/2- Appendix P Photo Documentation Page 8 of 10 60390718 001 Product: Low Power LoRa® Sub-1GHz Module Type Identification: WLR089U0, WLR089UC Slno. Part Number Manufacturer Peak Antenna Gain Antenna type 6 6610C03061 Kinsun 2dBi 1/2- Appendix P Photo Documentation Page 9 of 10 60390718 001 Product: Low Power LoRa® Sub-1GHz Module Type Identification: WLR089U0, WLR089UC Slno. Part Number Manufacturer Peak Antenna Gain Antenna type 7 RFDPA131015IMBB301 PSA Walsin technology Corporation 0.90 dBi Dipole Antenna Appendix P Photo Documentation Page 10 of 10 60390718 001 Product: Low Power LoRa® Sub-1GHz Module Type Identification: WLR089U0, WLR089UC Slno. Part Number Manufacturer Peak Antenna Gain Antenna type 8 RFA-ZW-C55-B-RP-D034 ALEAD technology 2.0dBi half-wave dipole

Label & label location

Appendix P Photo Documentation Page 1 of 2 60390718 001 Product: Low Power LoRa® Sub-1GHz Module Type Identification: WLR089U0, WLR089UC Internal photo for reference only (WLR089UC) Internal photo for reference only (WLR089U0) Appendix P Photo Documentation Page 2 of 2 60390718 001 Product: Low Power LoRa® Sub-1GHz Module Type Identification: WLR089U0, WLR089UC Internal photo for reference only (WLR089UC with Alternate Components) Internal photo for reference only (WLR089U0 with Alternate Components)

Produkte Products Prüfbericht - Nr.: Test Report No. 60390718 001 Seite 37 von 42 Page 37 of 42 6. Safety Human exposure 6.1 Radio Frequency Exposure Compliance 6.1.1 Electromagnetic Fields RESULT: Passed Test standard : FCC KDB Publication 447498 D01 RSS-102 issue 5, Table 4 FCC: Since the maximum output power of the transmitter is 59.02 mW < 63 mW (Distance: 20 mm), hence the EUT is excluded from SAR evaluation according to FCC KDB publication 447498 D01: Mobile Portable RF Exposure. ISED: Maximum conducted average power: 59.02 mW Antenna Gain: 2 dBi Maximum EIRP available 93.54 mW Since maximum output power of the transmitter is 93.54 mW < 95.72 mW (distance ≤ 35 mm), hence the EUT is excluded from SAR evaluation according to Table 1 in RSS-102. For limb-worn devices where the 10 gram value applies, the exemption limits for routine evaluation in Table 1 of RSS-102 are multiplied by a factor of 2.5. ---End---

Test Report No.60390718 001 Appendix D: Radiated and Mains Spurious Emission Data (File: 60390718 001Appendix D) Contents Spurious Emiss ions , Band Edges, WLR089UC w ith Externa l Antenna (RFA-S1-C55H1-150D 034) .......... 3 Spurious Emissions, TX Mode, 9kHz-30MHz, WLR089UC with External Antenna (RFA-S1-C55H1-150D034) ...................................................................................................................15 Spurious Emissions, TX Mode, 30MHz-1GHz, WLR089UC with External Antenna (RFA-S1-C55H1-150D034) ...................................................................................................................19 Spurious Emissions, TX Mode, 1GHz-18GHz, WLR089UC with External Antenna (RFA-S1-C55H1-150D034) ...................................................................................................................25 Spurious Emiss ions , Band Edges, WLR089U 0 with Externa l Antenna (RFA-S1-C55H1-150D034)..........31 Spurious Emissions, TX Mode, 30MHz-1GHz, WLR089U0 with External Antenna (RFA-S1-C55H1-150D034) ...................................................................................................................35 Spurious Emissions, TX Mode, 1GHz-18GHz, WLR089U0 with External Antenna (RFA-S1-C55H1-150D034) ...................................................................................................................37 Spurious Emissions, Band Edges, WLR089UC (Alternate Components) with External Antenna (RFA-S1-C55H1-150D034) ...................................................................................................................39 Spurious Emissions, TX Mode, 30MHz-1GHz, WLR089UC (Alternate Components) with External Antenna (RFA-S1-C55H 1-150D 034) .....................................................................................................43 Spurious Emissions, TX Mode, 1GHz-18GHz, WLR089UC (Alternate Components) with External Antenna (RFA-S1-C55H 1-150D 034) .....................................................................................................45 Spurious Emissions, TX Mode, 1GHz-18GHz, WLR089U0 (Alternate Components) with External Antenna (RFA-S1-C55H 1-150D 034) .....................................................................................................47 Spurious Emiss ions , AC Mains ..............................................................................................................53 3 Spurious Emissions, Band Edges, WLR089UC with External Antenna (RFA-S1-C55H1-150D034) Note: non-restriction band 4 Note: non-restriction band 5 Note: non-restriction band 6 Note: non-restriction band 7 Note: non-restriction band 8 Note: non-restriction band 9 Note: non-restriction band 10 Note: non-restriction band 11 Note: non-restriction band 12 Note: non-restriction band 13 Note: non-restriction band 14 Note: non-restriction band 15 Spurious Emissions, TX Mode, 9kHz-30MHz, WLR089UC with External Antenna (RFA-S1-C55H1-150D034) 16 17 18 19 Spurious Emissions, TX Mode, 30MHz-1GHz, WLR089UC with External Antenna (RFA-S1-C55H1-150D034) 20 21 22 23 24 25 Spurious Emissions, TX Mode, 1GHz-18GHz, WLR089UC with External Antenna (RFA-S1-C55H1-150D034) 26 27 28 29 Note: 6492.5MHz in the Non-Restricted Bands 30 Note: 6492.5MHz in the Non-Restricted Bands 31 Spurious Emissions, Band Edges, WLR089U0 with External Antenna (RFA-S1-C55H1-150D034) Note: non-restriction band 32 Note: non-restriction band 33 Note: non-restriction band 34 Note: non-restriction band 35 Spurious Emissions, TX Mode, 30MHz-1GHz, WLR089U0 with External Antenna (RFA-S1-C55H1-150D034) 36 37 Spurious Emissions, TX Mode, 1GHz-18GHz, WLR089U0 with External Antenna (RFA-S1-C55H1-150D034) Note: 1855MHz and 6492.5MHz in the Non-Restricted Bands 38 Note: 1855MHz and 6492.5MHz in the Non-Restricted Bands 39 Spurious Emissions, Band Edges, WLR089UC (Alternate Components) with External Antenna (RFA-S1-C55H1-150D034) Note: non-restriction band 40 Note: non-restriction band 41 Note: non-restriction band 42 Note: non-restriction band 43 Spurious Emissions, TX Mode, 30MHz-1GHz, WLR089UC (Alternate Components) with External Antenna (RFA-S1-C55H1-150D034) 44 45 Spurious Emissions, TX Mode, 1GHz-18GHz, WLR089UC (Alternate Components) with External Antenna (RFA-S1-C55H1-150D034) Note: 1855MHz, 9275Mhz and 6492.5MHz in the Non-Restricted Bands 46 Note: 1855MHz, 9275Mhz and 6492.5MHz in the Non-Restricted Bands 47 Spurious Emissions, TX Mode, 1GHz-18GHz, WLR089U0 (Alternate Components) with External Antenna (RFA-S1-C55H1-150D034) 48 49 Note: 1829.8MHz in the Non-Restricted Bands 50 Note: 1829.8MHz in the Non-Restricted Bands


   
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Appendix X Photo Documentation Page 1 of 4 60390716 001 Product: Low Power LoRa® Sub-1GHz Module Type Identification: WLR089U0, WLR089UC Photographs of the Test Set-Up Photograph 1: Set-up for Spurious Emissions (Front View 1) Photograph 2: Set-up for Spurious Emissions (Front View 2) Appendix X Photo Documentation Page 2 of 4 60390716 001 Product: Low Power LoRa® Sub-1GHz Module Type Identification: WLR089U0, WLR089UC Photograph 3: Set-up for Spurious Emissions (Back View 1) Photograph 4: Set-up for Spurious Emissions (Back View 2) Appendix X Photo Documentation Page 3 of 4 60390716 001 Product: Low Power LoRa® Sub-1GHz Module Type Identification: WLR089U0, WLR089UC Photograph 5: Set-up for Spurious Emissions (Back View 3) Photograph 6: Set-up for Mains Conducted testing (Front View) Appendix X Photo Documentation Page 4 of 4 60390716 001 Product: Low Power LoRa® Sub-1GHz Module Type Identification: WLR089U0, WLR089UC Photograph 7: Set-up for Mains Conducted testing (Back View)