2ARNB-HMS101Sub-1G Module

Sub-1G Module User Manual (Model: HMS101) 2 INTRODUCTION This manual contains important instructions for HMS101 and must be read in its entirety before installing or commissioning the equipment. For safety, only qualified technician, who has received training or has demonstrated skills can install and maintain this device under the guide of this document. Contact Information Hoymiles Power Electronics Inc . No.18 Kangjing Road, Hangzhou, Zhejiang Province, China Phone: +86-571- 28056101 Fax: +86-571- 28056137 http://www.hoymiles.com Hoymiles can provide commissioning. Please contact Hoymiles customer service at 086- 0571- 89775158.More information at website:http://www.hoymiles.com 3 Table of Contents INTRODUCTION ................................................................................................................... 2 1. Important Safety Information ........................................................................................ 4 Read this First ................................................................................................................. 4 Safety Instructions .......................................................................................................... 4 Audience .......................................................................................................................... 4 2. Module Interfaces ........................................................................................................... 5 2.1 HM2401 Dimensions ............................................................................................... 5 2.2 Pin Definition ............................................................................................................ 5 3. Integration Instructions .................................................................................................. 6 3.1 List of applicable FCC rules ................................................................................... 6 3.2 Summarize the specific operational use conditions ............................................ 6 3.3 Limited module procedures .................................................................................... 7 3.4 Trace antenna designs ............................................................................................ 7 3.5 ISED RF exposure statement ................................................................................... 7 3.6 Antennas .................................................................................... 3.7 Label and compliance information .......................................... 3.8 Information on test modes and additional testing requirements ....................... 7 3.9 Additional testing, Part 15 Subpart B disclaimer ................................................. 8 4. Basic Operation .............................................................................................................. 9 4.1 NRF Channel List ..................................................................................................... 9 4.2 Change Antenna Type .............................................................. 5. Troubleshooting .............................................................................................................. 9 6. Technical Data .............................................................................................................. 10 4 1. Important Safety Information Read this First This manual contains important instructions to follow during installation and maintenance of the Sub-1G module. Safety Instructions · Only qualified personnel can install or replace the Sub-1G module. · Do not attempt to repair the module as it contains the parts that are not serviceable to users. If the module breaks down, please contact your distributor for maintenance. Opening the module without permission will invalidate the warranty. · Please read all technical instructions and cautions in this manual before installing and using the module. Audience This manual is only for professional installation and maintenance personnel to use. 5 2. Module Interfaces 2.1 HMS101 Dimensions HMS101 dimensions: 20mm(W)*33.2mm(L)*3.5mm(H) Figure 1 shows the HMS101 dimensions. Figure 1 HMS1 01 dimensions 2.2 Pin Definition This Table 1 describes the interface pins . NO. Symbol I/O Type Function 1 Gnd P Power supply reference ground pin 2 NC I Null pin, no internal connection 3 P1.5 I/O RESERVED, P1.5, which is connected to P1.5 on 6 the IC 4 P1.6 I/O RESERVED, P1.6, which is connected to P1.6 on the IC 5 P0.1 I/O RESERVED ,P0.1, which is connected to P0.1 on the IC 6 P0.6 I/O RESERVED, P0.6, which is connected to P0.6 on the IC 7 NC I/O Serial peripheral interface clock pin 8 GND P Power supply reference ground pin 9 RXD I/O UART_RX, which is connected to P0.4 on the IC 10 TXD Output UART_TX, which is connected to P0.3 on the IC 11 GND P Power supply reference ground pin 12 VCC P Power supply pin 13 PRG I/O Set high to enter flash programming mode 14 SCK I/O Serial peripheral interface clock pin 15 RST I/O Hardware reset pin (active at a low level) 16 GPIO I/O Reserved 17 MI I/O Reserved 18 SCN I/O Reserved 19 GND P Power supply reference ground pin 20 GND P Power supply reference ground pin Table 1 HM2401 interface pins 3. Integration Instructions 3.1 List of applicable FCC rules This module has been tested and found to comply with part 15.247, and RSS-247 requirements for Modular Approval. 3.2 Summarize the specific operational use conditions This module can be used in DTU, micro-converter and other equipment. The input voltage to the module should be nominally 1.9~3.6 VDC ( typical 3.3VDC) . The ambient temperature of the module should not exceed 80°C . 7 3.3 Limited module procedures NA 3.4 Trace antenna designs NA 3.5 RF exposure statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operate…

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Compan y: Hoymiles Power Electronics Inc. Add: No. 18 Kangjing Road, Hangzhou, Zhejiang Province, P.R. China Tel: 18606510925 Fax: 0571-8977516 0 E-mail: [email protected] FCC Confidential Authorization Date:2020-12-18 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 74 35 Oakland Mills Road Columbia, MD 21 046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2ARNB-HMS101 To: whom it may concern, In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, Hoymiles Power Electronics Inc. hereby requests long-term confidential treatment of information accompanying this application as outlined below: Block Diagram Schematics Operation Description The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely Yours, Sig nature: Typed or Printed Name: Hongbin Yu Title: Senior Engineer

Applicant Hoymiles Power Electronics Inc. FCC ID: 2ARNB-HMS101 Section 15.212 Modular Transmitters Request for Modular Approval Request for Limited Modular Approval  RequirementsEUT ConditionsComply(Y/N) Single Modular Approval Requirements 1 The radio elements of the modular transmitter must have their own shielding. The physical crystal and tuning capacitors may be located external to the shielded radio elements. Refer to external photos. This module has shield cover. Y 2 The modular transmitter must have buffered modulation/data inputs (if such inputs are provided) to ensure that the module will comply with part 15 requirements under conditions of excessive data rates or over‐modulation. All inputs to the modules are buffered through logic or microprocessor inputs. Refer to Schematics. Y 3 The modular transmitter must have its own power supply regulation. The Module uses the chip U1 and U2 with built-in power management components, the module r ated power is 3.3V power, Refer to schematics. Y 4 The modular transmitter must comply with the antenna and transmission system requirements of §§15.203, 15.204(b) and connector, the antenna gian 15.204(c). The antenna must either be is 3.0dBi. permanently attached or employ a “unique” antenna coupler (at all connections between the module and the antenna, including the cable). The “professional installation” provision of §15.203 is not applicable to modules but can apply to limited modular approvals under paragraph (b) of this section. The modular has an external omni antenna with IPEX Y Company: Hoymiles Power Electronics Inc. Add: No. 18 Kangjing Road, Hangzhou, Zhejiang Province, P.R. China Tel: 18606510925 Fax: 0571-89775160 E-mail: [email protected] 5 The modular transmitter must be tested in a stand‐alone configuration, i.e., the module must not be inside another device during testing for compliance with part 15 requirements. Unless the transmitter module will be battery powered, it must comply with the AC line conducted requirements found in §15.207. AC or DC power lines and data input/output lines connected to the module must not contain ferrites, unless they will be marketed with the module (see §15.27(a)). The length of these lines shall be the length typical of actual use or, if that length is unknown, at least 10 centimeters to insure that there is no coupling between the case of the module and supporting equipment. Any accessories, peripherals, or support equipment connected to the module during testing shall be unmodified and commerciall y available (see §15.31(i)). The modular is connected to the controlled board when testing. Please refer to setup photo. Y 6 If using a permanently affixed label, the modular transmitter must be labeled with its own FCC identification number, and, 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:“ContainsTransmitter Module FCC ID: 2ARNB-HMS101” Any similar wording that expresses the same meaning may be used. The Grantee may either provide such a label, an example of which must be included Refer to the label. Y in the application for equipment authorization, or, must provide adequate instructions along with the module which explain this requirement. In the latter case, a copy of these instructions must be included in the application for equipment authorization. 7 The modular transmitter must comply with any specific rules or operating requirements that ordinarily apply to a complete transmitter and the manufacturer must provide adequate instructions along with the module to explain any such requirements. A copy of these instructions must be included in the application for equipment authorization. Refer to manual Y 8 Y The modular transmitter must comply with any applicable RF exposure requirements in its final configuration. The EUT meets RF exposure evaluation § 2.1091, If the device built into a host as a portable usage, the additional RF exposure evaluation may be required as specified by§ 2.1093 Signature: Typed or Printed Name: Hongbin Yu Title: Senior Engineer

EXHIBIT A- EUT EXTERNAL PHOTOGRAPHS Antenna

15mm 25mm

EXHIBIT B - EUT INTERNAL PHOTOGRAPHS

Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHA201218003-00A FCC Part 15.247 Page 11 of 42 FCC §1.1310 & §2.1091 - MAXIMUM PERMISSIBLE EXPOSURE (MPE) Applicable Standard According to subpart 15.247 (i) and subpart 1.1310, 2.1091 systems operating under the provisions of this section shall be operated in a manner that ensures the public is not exposed to RF energy level in excess of the communication guidelines. 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 30 300-1500 / f/1500 30 1500-100,000 / 1.0 30 f = frequency in MHz; * = Plane-wave equivalent power density 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); Calculated Data (worst case): Mode Frequency Range (MHz) Maximum Antenna Gain Tune-up Conducted Power Evaluation Distance (cm) Power Density (mW/cm 2 ) MPE Limit (mW/cm2) (dBi) (numeric) (dBm) (mW) SRD 902.25-927.75 3.0 2.0 20.00 100.00 20 0.0397 0.6015 Note: The tune-up output power was declared by the manufacturer. Conclusion: The EUT meets exemption requirement- RF exposure evaluation greater than 20cm distance specified in § 2.1091. If the device built into a host as a portable usage, the additional RF exposure evaluation may be required as specified by§ 2.1093.

FCC PART 15.247 TEST REPORT For Hoymiles Power Electronics Inc. No. 18 Kangjing Road, Hangzhou, Zhejiang Province, P.R. China FCC ID: 2ARNB-HMS101 Report Type: Original Report Product Type: Sub-1G Module Project Engineer: CK Huang Re port Number: RSHA201218003-00A Re port Date:2021-03-19 Reviewed B y: Oscar Ye EMC Manager Prepared By: Bay Area Compliance Laboratories Corp. (Kunshan) No.248 Chenghu Road,Kunshan,Jiangsu province,China Tel: +86-0512-86175000 Fax: +86-0512-88934268 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHA201218003-00A FCC Part 15.247 Page 2 of 42 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 4 OBJECTIVE ................................................................................................................................................................... 4 RELATED SUBMITTAL(S)/GRANT(S) ............................................................................................................................. 4 TEST METHODOLOGY .................................................................................................................................................. 4 MEASUREMENT UNCERTAINTY .................................................................................................................................... 5 TEST FACILITY ............................................................................................................................................................. 5 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 6 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 6 EUT EXERCISE SOFTWARE .......................................................................................................................................... 7 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 7 EXTERNAL I/O CABLE .................................................................................................................................................. 7 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 7 SUMMARY OF TEST RESULTS ............................................................................................................................... 9 TEST EQUIPMENT LIST ......................................................................................................................................... 10 FCC §1.1310 & §2.1091 - MAXIMUM PERMISSIBLE EXPOSURE (MPE) ....................................................... 11 CALCULATED DATA (WORST CASE): .......................................................................................................................... 11 FCC §15.203 - ANTENNA REQUIREMENT ........................................................................................................... 12 APPLICABLE STANDARD ............................................................................................................................................ 12 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 12 FCC §15.207 (a) – AC LINE CONDUCTED EMISSIONS ..................................................................................... 13 APPLICABLE STANDARD ............................................................................................................................................ 13 EUT SETUP ................................................................................................................................................................ 13 EMI TEST RECEIVER SETUP ....................................................................................................................................... 13 TEST PROCEDURE ...................................................................................................................................................... 13 FACTOR & OVER LIMIT CALCULATION ...................................................................................................................... 14 TEST RESULTS SUMMARY .......................................................................................................................................... 14 TEST DATA ................................................................................................................................................................ 14 FCC §15.209, §15.205 & §15.247(d) - SPURIOUS EMISSIONS ............................................................................. 17 APPLICABLE STANDARD ............................................................................................................................................ 17 EUT SETUP ................................................................................................................................................................ 17 EMI TEST RECEIVER SETUP ....................................................................................................................................... 18 TEST PROCEDURE ....................................................................................................................................…

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EXHIBIT C - TEST SETUP PHOTOGRAPHS Conducted Emissions -Front View Conducted Emissions -SideView RadiatedEmissions (Below 1GHz) RadiatedEmissions (Above 1GHz)