FCC ID: 2AF6B-RAK11720 WisDuo LPWAN Module

RAK11720 WisDuo LPWAN Module Datasheet Overview Description The RAK11720 is a low-power long-range transceiver module.It consists of a Bluetooth integrated MCU and a LORA transceiver. RAK11720 is designed based on AMA3B1KK-KBR-B0 form Ambiq Micro that supports Bluetooth 5.0 (Bluetooth Low Energy) and the newest SX1262 LoRa transceiver from Semtech. This module complies with Class A, B, & C of LoRaWAN 1.0.3 specifications and also supports LoRa Point-to-Point (P2P) communication mode which helps you in implementing your own customized long-range LoRa network quickly. The two RF communication characteristic of the module (Lora + BLE) makes it suitable for a variety of applications in the IoT field, such as home automation, sensor networks, building automation, and IoT network applications. NOTE There are two variants available for the RAK11720 Module: (1) MHF4 IPEX connector on RAK11720 to connect to the external antennas (2) The antenna signal route to stamp holes so users can use their own antennas. Features Based on AMA3B1KK-KBR-B0 and SX1262 ARM Cortex-M4F 1MB Flash and 348KB SRAM I/O ports: UART/I2C/SPI/ADC/GPIO LoRaWAN 1.0.3 specification compliant Supported bands: EU433, CN470, IN865, EU868, AU915, US915, KR920, RU864, and AS923-

1/2/3/4 LoRaWAN activation via OTAA/ABP LoRa Point-to-Point (P2P) communication Easy to use AT command set via UART interface Long-range - greater than 15km with optimized antenna Ultra-low-power consumption of 2.37A in sleep mode Supply Voltage: 1.8V ~ 3.6V Temperature range: -40C ~ 85C Specifications This section covers the hardware and software specifications of RAK11720. Also, it includes the block diagram and the update firmware link of the RAK11720 WisDuo module. Overview Block Diagram Figure 1: RAK11720 System Block Diagram Hardware The hardware specification discusses the interfaces, pinouts and corresponding functions and diagrams. It also covers the parameters of both RAK11720 modules in terms of RF, electrical, mechanical, and operating characteristics. Pin Definition Pin No. 1 2 3 4 5 6 7 Name Type Description GP43/UART1_RX I/O GPIO and UART2 Interface (RX) GP42/UART1_TX I/O GPIO and UART2 Interface (TX) GP12/ADC9 I/O GPIO and ADC GP39/UART0_TX I/O GPIO and UART0 Interface(TX) GP40/UART0_RX I/O GPIO and UART0 Interface(RX) GP45 I/O GPIO only GP21/SWDIO GPIO and SWD debug pin (SWDIO) Pin No. Name Type Description 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 GP20/SWDCK GPIO and SWD debug pin (SWDCK) GP27/I2C2_SCL GP25/I2C2_SDA I/O I/O GPIO and I2C2 (SCL) GPIO and I2C2 (SDA) GND POWER Ground connections LORA RF GP7/SPI0_MOSI GP6/SPI0_MISO GP5/SPI0_CLK GP1/SPI0_NSS RF I/O I/O I/O I/O LORA RF Port (only available on RAK11720 No-

IPEX connector variant) GPIO and SPI0 (MOSI) GPIO and SPI0(MISO) GPIO and SPI0 (CLK) GPIO and SPI0 (NSS) GND GND GP4 GP36 SWO RST GND VDD GP32/ADC4 GP31/ADC3 GP37 GND GP44 GP38 GP33/ADC5 GP13/ADC8 BLE RF POWER Ground connections POWER Ground connections I/O I/O I/O GPIO only GPIO only SBL log output MCU Reset (nRST) POWER Ground connections POWER VDD - Voltage Supply I/O I/O I/O GPIO and ADC GPIO and ADC GPIO only POWER Ground connections I/O I/O I/O I/O RF GPIO only GPIO only GPIO and ADC GPIO and ADC BLE RF Port (only available on RAK11720 No-IPEX connector variant) GND POWER Ground connections RF Characteristics LORA The RAK11720 module supports the LoRaWAN bands shown in the table below. When buying a RAK11720 module, pay attention to specifying the correct core module RAK11720 H/L for your region, in which H stands for high-frequency regions and L for low-frequency regions. Operating Frequencies Module RAK11720(L) RAK11720(H) Region Europe China Europe North America Australia Korea Asia India Russia Frequency EU433 CN470 EU868 US915 AU915 KR920 AS923-1/2/3/4 IN865 RU864 Electrical Characteristics Operating Voltage Feature Minimum Typical Maximum Unit VCC 1.8 3.3 3.6 Volts (V) Operating Current Feature Condition Minimum Typical Maximum Unit Operating Current BLE TX Mode LORA TX Mode

12.7@6.0 dBm 87 (@22dBm 868Mhz)

mA mA Sleep Current Feature Condition Minimum

(2.1V) Typical

(3.3V) Maximum Unit Current Consumption EU868

2.37

A Feature Condition Minimum

(2.1V) Typical

(3.3V) Maximum Unit US915 CN470

2.37 2.37

A A Mechanical Characteristics Module Dimensions Figure 3: RAK11720 Physical Dimension Layout Recommendation Figure 4: RAK11720 Layout Environmental Characteristics Operating Temperature Feature Minimum Typical Maximum Unit Operating Temperature

-40 25 85 C Storage Temperature Feature Minimum Typical Maximum Unit Storage Temperature

-40

85 C Recommended Reflow Profile Standard conditions for reflow soldering:

Pre-heating Ramp (A) (Initial temperature: 150): 1~2.5/sec Soaking Time (T2) (150~180): 60~100sec Peak Temperature (G): 230~250 Reflow Time (T3) (>220): 30~60sec Ramp-up Rate (B): 0~2.5/sec Ramp-down Rate (C): 1~3/sec RAK11720 1 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. FCC Statement:

"This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 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:

Reorient or relocate the receiving antenna. 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 an experienced radio/TV technician for help."

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. RAK11720 3. The RPSMA connector antenna has been approved for the modular. The maximum antenna gain is 2.3dBi for Lora and 3.12dBi for BLE. For situations where the host manufacturer is responsible for an external connector, the integration instructions shall inform the installer that a unique antenna connector must be used on the Part 15 authorized transmitters used in the host product. 4. When the module is installed in the host device, the FCC ID label must be visible through a window on the final device or it must be visible when an access panel, door or cover is easily removed. If not, a second label must be placed on the outside of the final device that contains the following text: Contains FCC ID: 2AF6B-RAK11720. 5. The Shenzhen Rakwireless Technology Co., Ltd. uses various test mode programs for test set up which operate separate from production firmware. Host integrators should contact Shenzhen Rakwireless Technology Co., Ltd. for assistance with test modes needed for module/host compliance test requirements. 6. The Shenzhen Rakwireless Technology Co., Ltd. modular transmitter is only FCC authorized for the FCC Part15.247 listed on the grant, and that the host product manufacturer is responsible for compliance to any other FCC rules that apply to the host not covered by the modular transmitter grant of certification. If the grantee markets their product as being Part 15 Subpart B compliant (when it also contains unintentional-

radiator digital circuity), then the grantee shall provide a notice stating that the final host product still requires Part 15 Subpart B compliance testing with the modular transmitter installed. ISED Warning:

This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canadas licence-exempt RSS(s). Operation is subject to the following two conditions:

1. This device may not cause interference. 2. This device must accept any interference, including interference that may cause undesired operation of the device. Lmetteur/rcepteur exempt de licence contenu dans le prsent appareil est conforme aux CNR dInnovation, Sciences et Dveloppement conomique Canada applicables aux appareils radio exempts de licence. Lexploitation est autorise aux deux conditions suivantes :

1. Lappareil ne doit pas produire de brouillage;

2. Lappareil doit accepter tout brouillage radiolectrique subi, mme si le brouillage est susceptible den compromettre le fonctionnement. This equipment complies with ISED radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.This transmitter must not be 1 1 RAK11720 co-located or operating in conjunction with any other antenna or transmitter located or operating in conjunction with any other antenna or transmitter. Cet quipement est conforme avec les limites dexposition la radiation de lISED mises dans un environnement contrl. Cet quipement devrait tre install et fonctionnel avec un minimum de distance entre le radiateur et votre corps dau moins 20 cm. Ce transmetteur ne doit pas tre co-situ prs dune autre antenne ou en conjonction avec un autre transmetteur. The host product shall be properly labelled to identify the modules within the host product. The ISED certification label of a module shall be clearly visible at all times when installed in the host product; otherwise, the host product must be labelled to display the ISED certification number for the module, preceded by the word "contains"

or similar wording expressing the same meaning, as follows:

Contains IC: 25908-RAK11720 Le numro d'homologation d'ISDE, le NIVM, le NMP et le NIVL ne doivent pas ncessairement tre adjacents. Le numro d'homologation se compose d'un numro de compagnie (NC), attribu par le Bureau d'homologation et de services techniques dISDE, suivi du numro de produit unique (NPU) attribu par le requrant. Le numro d'homologation doit apparatre comme suit : IC: 25908-RAK11720 Labelling The proposed FCC IC label format is to be placed on the module. If it is not visible when the module is installed into the system, Contains FCC ID: 2AF6B-RAK11720, Contains IC: 25908- RAK11720 shall be placed on the outside of final host system. Labelling This radio transmitter [25908- RAK11720] has been approved by Innovation, Science and Economic Development Canada to operate with the antenna types listed below, with the maximum permissible gain indicated. Antenna types not included in this list that have a gain greater than the maximum gain indicated for any type listed are strictly prohibited for use with this device. Le prsent metteur radio [25908- RAK11720] a t approuv par Innovation, Sciences et Dveloppement conomique Canada pour fonctionner avec les types d'antenne numrs cidessous et ayant un gain admissible maximal. Les types d'antenne non inclus dans cette liste, et dont le gain est suprieur au gain maximal indiqu pour tout type figurant sur la liste, sont trictement interdits pour l'exploitation de l'metteur. Antenna info 2 2 RAK11720 For Lora:

Antenna #

Model Antenna Gain Antenna Type Connector Type KRAKBJ2701C01A KRAKBJ2701C01C 2.3 dBi 2.3 dBi Dipole Antenna RPSMA connector Dipole Antenna RPSMA connector 1#

2#

For BLE:

Antenna #

Model Antenna Gain Antenna Type Connector Type 1#

S2B1BH2A1B01000 3.12 dBi PCB Layout Antenna IPEX connector Manufacturer name and address Shenzhen Rakwireless Technology Co., Ltd. Room 506, Bldg B, New Compark, Pingshan First Road, Taoyuan Street, Nanshan Distr ict, Shenzhen About RAKwireless:

RAKwireless is a pioneer in providing innovative and diverse Cellular and LoRaWAN connectivity solutions for both Edge and Gateway IoT devices. We believe that through easy to use and modular designs we can accelerate the time to market for various IoT Applications in order to optimize system deployment in both Developer and Commercial settings. 3 3

Technology Co., Ltd. 12mm Arial Blod 3pt Arial Blod 2.2pt RAK11720 DEVEUI: XXXXXXXXXXXXXXXX SN: XXXXXXXXXXXXXXXXXX FCC ID: 2AF6B-RAK11720 IC: 25908-RAK11720 9.5mm MADE IN CHINA On Shielding case

40x7.0x1.0mm WiFi PCB Antenna 4007-01 1.Explanation of Product Number Product Code:

(1) Product Categories:

B1: PCB Antenna

(2) Application:

B: Wi-Fi Dual Band antenna

(3) Dimensions:

H1: 40x7.0x1.0 L=1.13*100mm+IPEX

(4) Material:

A: PCB

(5) Working Frequencies 1B: 2400~2500MHz

(6) Antenna Series:

01: serial number Tolerances (Unless otherwise specified) X : 1 0.01 Angle :

Scale :

Hole Dia. :

Unitmm X.X : 0.1 X.XX :

Prepared By :shelley Checked By :Joy Approved By : Frank TITLE 40x7.0x1.0mmWiF PCB Antenna

(4007-01) Unictron Technologies Corporation Website: www.unictron.com THIS SPECIFICATION IS THE PROPERTY OF UNICTRON TECHNOLOGIES CORPORATION AND SHALL NOT BE REPRODUCED OR USED IN ALL CIRCUMSTANCES WITHOUT WRITTEN PERMISSION PART N O . S2B1BH2A1B01000 R E V. A PAGE 1 O F 7 2.Features

*Stable and reliable in performances

*Compact size

*RoHS compliance 3.Applications

* IEEE802.11 (b/g/n).

* Hand-held devices when WiFi (802.11 b/g/n) functions are needed. 4.Description Unictrons PCB antenna series are specially designed for WiFi (802.11 b/g/n) applications. Based on Unictrons proprietary design and processes, this PCB antenna has excellent stability and sensitivity to consistently provide high signal reception efficiency. 5.Electrical Specifications 5-1. Electrical Table (2400~2500MHz Band) C h aracteristics Outline Dimensions Working Frequency Bandwidth VSWR Impedance Polarization Gain*

Peak Efficiency S p ecificatio n s 40 x 7.0 x 1 2400~2500 100 min. 2 max. 50 Linear Polarization 3.12(typical) 79.95 (typical) U n it mm MHz MHz dBi

*The data was measured by A Test Lab Techno Corp.(CTIA Authorized Test Lab). Tolerances (Unless otherwise specified) X : 1 0.01 Angle :

Scale :

Hole Dia. :

Unitmm X.X : 0.1 X.XX :

Prepared By :shelley Checked By :Joy Approved By : Frank TITLE 40x7.0x1.0mmWiF PCB Antenna

(4007-01) Unictron Technologies Corporation Website: www.unictron.com THIS SPECIFICATION IS THE PROPERTY OF UNICTRON TECHNOLOGIES CORPORATION AND SHALL NOT BE REPRODUCED OR USED IN ALL CIRCUMSTANCES WITHOUT WRITTEN PERMISSION PART N O . S2B1BH2A1B01000 R E V. A PAGE 2 O F 7 6.Antenna Dimensions (unit: mm) . Tolerances (Unless otherwise specified) X : 1 0.01 Angle :

Scale :

Hole Dia. :

Unitmm X.X : 0.1 X.XX :

Prepared By :shelley Checked By :Joy Approved By : Frank TITLE 40x7.0x1.0mmWiF PCB Antenna

(4007-01) Unictron Technologies Corporation Website: www.unictron.com THIS SPECIFICATION IS THE PROPERTY OF UNICTRON TECHNOLOGIES CORPORATION AND SHALL NOT BE REPRODUCED OR USED IN ALL CIRCUMSTANCES WITHOUT WRITTEN PERMISSION PART N O . S2B1BH2A1B01000 R E V. A PAGE 3 O F 7 7.Return Loss & VSWR Return Loss (S11) VSWR (S11) Unictron Technologies Corporation Website: www.unictron.com THIS SPECIFICATION IS THE PROPERTY OF UNICTRON TECHNOLOGIES CORPORATION AND SHALL NOT BE REPRODUCED OR USED IN ALL CIRCUMSTANCES WITHOUT WRITTEN PERMISSION PART N O . S2B1BH2A1B01000 R E V. A PAGE 4 O F 7 Tolerances (Unless otherwise specified) X : 1 0.01 Angle :

Scale :

Hole Dia. :

Unitmm X.X : 0.1 X.XX :

Prepared By :shelley Checked By :Joy Approved By : Frank TITLE 40x7.0x1.0mmWiF PCB Antenna

(4007-01) 8.Radiation Pattern 8-1.3D Gain Pattern @ 2400 MHz (unit: dBi) Z Y X Unictron Technologies Corporation Website: www.unictron.com THIS SPECIFICATION IS THE PROPERTY OF UNICTRON TECHNOLOGIES CORPORATION AND SHALL NOT BE REPRODUCED OR USED IN ALL CIRCUMSTANCES WITHOUT WRITTEN PERMISSION PART N O . S2B1BH2A1B01000 R E V. A PAGE 5 O F 7 Tolerances (Unless otherwise specified) X : 1 0.01 Angle :

Scale :

Hole Dia. :

Unitmm X.X : 0.1 X.XX :

Prepared By :shelley Checked By :Joy Approved By : Frank TITLE 40x7.0x1.0mmWiF PCB Antenna

(4007-01) 8-2.complete machine Efficiency Table Freq(MHz) Gain(dB) Efficiency(dB) Efficiency(%) 2400 2.95

-1 79.46 2420 2.82

-1.03 78.8 2440 3.02

-1.07 78.24 2450 3.12

-0.97 79.95 2460 3.01

-1.04 78.78 2480 2.88

-0.92 80.9 2500 2.85

-0.87 81.76 Tolerances (Unless otherwise specified) X : 1 0.01 Angle :

Scale :

Hole Dia. :

Unitmm X.X : 0.1 X.XX :

Prepared By :shelley Checked By :Joy Approved By : Frank TITLE 40x7.0x1.0mmWiF PCB Antenna

(4007-01) Unictron Technologies Corporation Website: www.unictron.com THIS SPECIFICATION IS THE PROPERTY OF UNICTRON TECHNOLOGIES CORPORATION AND SHALL NOT BE REPRODUCED OR USED IN ALL CIRCUMSTANCES WITHOUT WRITTEN PERMISSION PART N O . S2B1BH2A1B01000 R E V. A PAGE 6 O F 7 9. Revision Control:

R e vis io n D a te C o n te n t A Jun.20.2022 New Issued. R e m a rk N/A Tolerances (Unless otherwise specified) X : 1 0.01 Angle :

Scale :

Hole Dia. :

Unitmm X.X : 0.1 X.XX :

Prepared By :shelley Checked By :Joy Approved By : Frank TITLE 40x7.0x1.0mmWiF PCB Antenna

(4007-01) Unictron Technologies Corporation Website: www.unictron.com THIS SPECIFICATION IS THE PROPERTY OF UNICTRON TECHNOLOGIES CORPORATION AND SHALL NOT BE REPRODUCED OR USED IN ALL CIRCUMSTANCES WITHOUT WRITTEN PERMISSION PART N O . S2B1BH2A1B01000 R E V. A PAGE 7 O F 7

Date: 2023-01-05____ Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road, Columbia, MD 21046, USA Subject: Confidentiality Request for FCC ID: 2AF6B-RAK11720 Pursuant to FCC 47 CRF 0.457(d), the applicant requests that a part of the subject FCC/IC application be held confidential. Type of Confidentiality Requested Short Term Short Term Short Term Short Term Short Term Short Term Short Term Short Term Permanent n/a Permanent Permanent Permanent Permanent Permanent Permanent Exhibit Block Diagrams External Photo Internal Photos ***

Operation Description/Theory of Operation Schematics Test Setup***

Users Manual***

Part List/ Antenna Construction Shenzhen RAKwireless Technology Co.,Ltd. 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.

(*** Exceptional case for Permanent Confidentiality for these Exhibits by PAG only) Short-Term Confidentiality:

The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of specify number of days not to exceed 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, By:

__________________________________ Vivian Xu / Engineer

(Signature/Title)

(Print name) shasha.xu@rakwireless.com MS-0044715 Page 1 of 1 Revision 1

Date: 2023-01-05 FCC ID:2AF6B-RAK11720 IC: 25908-RAK11720 Type of Module: Single Modular Transmitter No. 1 Requirements 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. Device Conditions The module has its own RF shielding. Refer to the external photos. Comply (Y/N) Y 2 3 4 5 6 7 8 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. The modular transmitter must have its own power supply regulation. The modular transmitter must comply with the antenna and transmission system requirements of 15.203, 15.204(b) and 15.204(c). The antenna must either be permanently attached or employ a unique antenna coupler. The EUT has buffered modulation/data inputs. Its integrated on the chipset IC U1 /

APOLLO3 for BLE and IC UE SX1262 for Lora. Refer to the schematics diagram. The module has its own power supply regulation. The antenna is IPEX antenna and antenna gain is 3.12dBi for BLE and 2.3dBi for Lora. 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. The modular transmitter was tested in a stand-alone configuration via a laptop PC USB interface. The modular transmitter must be equipped with either a permanently affixed label or must be capable of electronically displaying its FCC identification number. FCC ID is permanently on the PCB. Refer to the Label Location and Label. 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. The modular transmitter must comply with any applicable RF exposure requirements in its final configuration. The User Manual instruction that the OEM how to use the label. Refer to the test report. Y Y Y Y Y Y Y If you have any questions regarding this, please dont hesitate to contact us. Sincerely, _________________________

(Vivian Xu / engineer) Shenzhen Rakwireless Technology Co., Ltd.