2AF6B-RAK4200HLoRa Module

Version V1.1 | October 2019 RAK4200(H) LoRa Module WisDuo-LoRa Series 10 PAGES www.RAKwireless.com Visit our website for more document. Specifications for 2 Table of Contents 1. Overview................................................................................................................................................ 3 1.1 Introduction ................................................................................................................................. 3 1.2 Main Features ............................................................................................................................. 3 2. RAK4200(H) LoRa Module ........................................................................................................... 4 2.1 Overview....................................................................................................................................... 4 2.2 Pin Definition & Pin Out .......................................................................................................... 4 2.3 Mechanical Dimensions........................................................................................................... 6 2.4 Recommended Footprint........................................................................................................ 7 2.5 Recommended Reflow Profile ............................................................................................... 7 3. Warning .................................................................................................................................................. 9 4. Revision History .............................................................................................................................. 10 5. Document Summary ..................................................................................................................... 10 3 1. Overview 1.1 Introduction RAK4200(H) LoRa Module includes an STM32L071 MCU and an SX1276 LoRa chip. It has Ultra-Low Power Consumption of 1.5uA in sleep mode and high LoRa output power up to 13.92dBm max in work mode. The module complies with LoRaWAN 1.0.2 protocols. It also supports Lora Point to Point communications. The module is suitable for various applications that require long range data acquisition and low power consumption. 1.2 Main Features  LoRa module for Smart City, Smart Agriculture, Smart Industry  Compact Form Factor: 15 x 15.5 x 2.5 mm  20 Pin Stamp Pad for PCB SMT mounting  I/O ports: UART/I2C/GPIO  Temperature range: -40°C to +85°C  Supply voltage: 2.0 ~ 3.6V  Frequency range: 902.3-914.9 MHz, 903~927.5 MHz  IEEE 802.15.4g, Wireless M-Bus and Proprietary Systems  Low-Power Wireless Systems  Ultra-Low Power Consumption 1.5uA in sleep mode  Core: ARM 32-bit Cortex – M0+ with MPU  Up to 192KB flash memory with ECC  20KB RAM  6KB of data EEPROM with ECC 4 2. RAK4200(H) LoRa Module 2.1 Overview The figure below shows the top view of the RAK4200(H) LoRa Module. The dimensions of the Module are 15 x 15.5 x 2.5 mm. Figure 1 | RAK4200(H) LoRa Module 2.2 Pin Definition & Pin Out The figure below shows the pinout of the RAK4200(H) LoRa Module. 5 Figure 2 | Pinout The table below shows the pin definition of the RAK4200(H) LoRa Module. Pin Name I/O Description 1 UART2_RX I Main UART (STM32L071K8 PA10) 2 UART2_TX O Main UART (STM32L071K8 PA9) 3 UART2_DE I/O GPIO (STM32L071K8 PA12) 4 UART1_TX I/O General GPIO or UART(Reserved) (STM32L051K8 PA2) 5 UART1_RX I/O General GPIO or UART(Reserved) (STM32L051K8 PA3) 6 UART1_DE I/O General GPIO or UART(Reserved) (STM32L051K8 PA1) 7 SWDIO I/O Programming (STM32L051K8 PA13) 8 SWCLK I/O Programming (STM32L051K8 PA14) 9 I2C_SCL I/O I2C interface (STM32L051K8 PB6) 10 I2C_SDA I/O I2C interface (STM32L051K8 PB7) 11 GND - Ground 12 RF I/O RF port (reserved), default RF out by IPEX 13 GND - Ground 14 GND - Ground 15 SPI_CLK I/O Reserved PA5 16 SPI_MISO I/O Reserved PA6 17 SPI_MOSI I/O Reserved PA7 18 MCU_NRST I/O MCU reset (STM32L051K8 NRST) 19 GND - Ground 20 VDD - DC3V3 Table 1 | Pin Definitions 6 2.3 Mechanical Dimensions The figure below shows the mechanical dimension of the RAK4200(H) LoRa Module. Figure 3 | Mechanical Dimensions 7 2.4 Recommended Footprint Figure 5 | Recommended Footprint 2.5 Recommended Reflow Profile Figure 6 | Recommended Reflow Profile Standard conditions for reflow soldering:  Pre-heating Ramp (A) (Initial temperature: 150°C): 1~2.5°C/sec; 8  Soaking Time (T2) (150°C~180°C): 60sec~100sec;  Peak Temperature (G): 230~250°C;  Reflow Time (T3) (>220°C): 30~60 sec;  Ramp-up Rate (B): 0~2.5°C/ sec;  Ramp-down Rate (C): 1~3°C/ sec. Please contact us if you need technical support or need more information. Support center: https://forum.rakwireless.com/ Email us: [email protected] 9 3. Warning FCC Warning： 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. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. INTEGRATION INSTRUCTIONS 1. This module has been tested and found to comply with the FCC Part15.247 for Modular Approval. 2. This Modular Approval is limited to OEM installation for mobile and fixed applications only. The antenna installation and operating configurations of this transmitter, including any applicable source-based time- averaging duty factor, antenna gain and cable loss must satisfy MPE categorical Exclusion Requirements of 2.1091. This modular should be installed and operated with minimum distance 20 cm between the radiator& your body. 3. The U.FL connector antenna has been approved for the modular. The maximum antenna gain is 3dBi. For situations where the host manufacturer is responsible for an external connecto…

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Shenzhen RAKwireless Technology Co., Ltd. Address: Room 506, Bldg B, New Compark, Pingshan First Road, Taoyuan Street, XiLi town Nanshan District, Shenzhen, China Email: [email protected] Tel: +8675586152201 Date: 2020-04-08 To: FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 To whom it may concern: The RF chip, model SX1276, which installed in our product LoRa Module, Model: RAK4200(H), FCC ID: 2AF6B-RAK4200H supports 137-1020MHz. For use in America and this chip only support 903-927.5 MHz, 902.3-914.9 MHz. The other bands was disabled by the manufacturer in the software. The end user has no capability to activate it. Sincerely Yours, Signature: Duiyu Ye Title: Engineer

QA-FR-170-B Shenzhen RAKwireless Technology Co., Ltd. Address: Room 506, Bldg B, New Compark, Pingshan First Road, Taoyuan Street, XiLi town Nanshan District, Shenzhen, China Email: [email protected] Tel: +8675586152201 FCC Authorization 2020-04 -08 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We (Shenzhen RAKwireless Technology Co., Ltd.), the undersigned, hereby authorize Bay Area Compliance Laboratories Corporation to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Bay Area Compliance Laboratory Corporation on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a 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 . This authorization is valid until further written notice from the applicant. Sincerely, Signature: Duiyu Ye Title: Engineer

Shenzhen RAKwireless Technology Co., Ltd. Address: Room 506, Bldg B, New Compark, Pingshan First Road, Taoyuan Street, XiLi town Nanshan District, Shenzhen, China Email: [email protected] Tel: +8675586152201 FCC C onfidential Authorization 2020-04 -08 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2AF6B-RAK4200H In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, (Shenzhen RAKwireless Technology Co., Ltd.) 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, Signature: Duiyu Ye Titl e: Engineer

Shenzhen Rakwireless Technology Co., Ltd. Add: Room 506, Bldg B, New Compark, Pingshan First Road, Taoyuan Street, XiLi town, Nanshan District, Shenzhen, China Tel: +8675586152201 Fax: +8675586152201 Email: [email protected] Modular Approval Letter Date: 2020-03-03 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Application Examiner, We, Shenzhen Rakwireless Technology Co., Ltd. , is submitting this application for certification of product named as LoRa Module, Model Numbers: RAK4200(H)(FCC ID: 2AF6B-RAK4200H). It is seeking modular approval. The radio meets the requirements for modular approval as detailed in FCC 15.212. Compliance to each of the requirements is described below: 1. “The modular transmitter must have its own RF shielding.” Yes, it is fulfilled. The radio portion of the module has its own RF shielding. The shielding is installed at the factory. Please see the EUT photos. 2. “The modular transmitter must have buffered modulation/data inputs.” Yes, it is fulfilled. The EUT has buffered data inputs to insure compliance with Part 15 requirements under conditions of excessive data rates or over modulation. Please see the Schematics exhibit. 3. “The modular transmitter must have its own power supply regulation.” Yes, it is fulfilled. The EUT has its own power supply regulation to insure compliance. 4. “The modular transmitter must comply with the antenna requirements of Section 15.203 and 15.204(c).” Yes. The EUT has an I-PEX connector antenna interface design. 5. “The modular transmitter must be tested in a stand-alone configuration.” Yes, it is fulfilled. The EUT was tested in a stand-alone configuration. 6. “The modular transmitter must be labeled with its own FCC ID number.” Yes, it is fulfilled. The module will be labeled with its own FCC ID number. Please see FCC ID label & location exhibit. 7. “The modular transmitter must comply with any specific rule or operating requirements applicable to the transmitter and the manufacturer must provide adequate instructions along with the module to explain any such requirements.” Yes, it is fulfilled. The necessary explanation to be complied with this requirement is contained in the user manual, and please refer to the User manual. 8. “The modular transmitter must comply with any applicable RF exposure requirements.” Yes, it is fulfilled. The module will comply with all applicable RF exposure requirements in its intended configuration/integration in a host. Please contact me if you have additional questions. Your attention to this matter is greatly appreciated. Sincerely Yours, Signature: Duiyu Ye Engineer

EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS

EXHIBIT A - FCC ID LABEL AND LOCATION FCC ID Label FCC ID Label Location Information The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925)

EXHIBIT C - EUT INTERNAL PHOTOGRAPHS Antenna

Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RGMA190904002-00B FCC Part 15.247 Page 11 of 32 FCC §15.247 (i) & §2.1091- MAXIMUM PERMISSIBLE EXPOSURE (MPE) Applicable Standard According to subpart 15.247 (i) and subpart 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 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/f 2 ) 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 Result Calculated Formulary: Predication of MPE limit at a given distance S = 2 4R PG π S = power density (in appropriate units, e.g. mW/cm2) 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) Frequency (MHz) Antenna Gain Tune up conducted power Evaluation Distance (cm) Power Density (mW/cm 2 ) MPE Limit (mW/cm 2 ) (dBi) (numeric) (dBm) (mW) 903 3.0 2.0 20.0 100.0 20 0.04 0.602 Note: To maintain compliance with the FCC’s RF exposure guidelines, place the equipment at least 20cm from nearby persons. Result: Compliance

Note: This report must not be used by the customer to claim product certification, approval, or endorsement by A2LA* or any agency of the Federal Government. This report may contain data that are not covered by the A2LA accreditation and are marked with an asterisk “★”. BACL is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with an asterisk ’*’. Customer model name, addresses, names, trademarks etc. are not considered data. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. FCC PART 15.247 TEST REPORT For Shenzhen RAKwireless Technology Co., Ltd. Room 506, Bldg B, New Compark, Pingshan First Road, Taoyuan Street, XiLi town Nanshan District, Shenzhen, China FCC ID: 2AF6B-RAK4200H Report Type: Original Report Product Type: LoRa Module Re port Number: RGMA190904002-00B Re port Date: 2020-04-20 Reviewed B y: Jimmy Xiao RF Engineer Prepared By: Bay Area Compliance Laboratories Corp. (Shenzhen) 6/F., West Wing, Third Phase of Wanli Industrial Building, Shihua Road, Futian Free Trade Zone, Shenzhen, Guangdong, China Tel: +86-755-33320018 Fax: +86-755-33320008 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RGMA190904002-00B FCC Part 15.247 Page 2 of 32 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 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 6 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 6 EUT EXERCISE SOFTWARE .......................................................................................................................................... 6 DUTY CYCLE ................................................................................................................................................................ 7 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 7 EXTERNAL I/O CABLE .................................................................................................................................................. 7 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 8 SUMMARY OF TEST RESULTS ............................................................................................................................... 9 TEST EQUIPMENT LIST ......................................................................................................................................... 10 FCC §15.247 (i) & §2.1091- MAXIMUM PERMISSIBLE EXPOSURE (MPE) ........................................................ 11 APPLICABLE STANDARD ............................................................................................................................................ 11 RESULT ...................................................................................................................................................................... 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 CORRECTED FACTOR & MARGIN CALCULATION .................................................................…

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EXHIBIT D - TEST SETUP PHOTOGRAPHS Conducted Emissions - Front View Conducted Emissions - Side View Radiated Emissions View (Below 1 GHz) Radiated Emissions View (Above 1 GHz)