FCC ID: 2AC7Z-ESPWROOM32DC Wi-Fi Module

ESP32-WROOM-32DC Datasheet C O NFIDENTIAL Prerelease version 0.1 Espressif Systems Copyright 2018 www.espressif.com About This Document This document provides the specifications for the ESP32-WROOM-32DC module. Certification Revision History For revision history of this document, please refer to the last page. Disclaimer and Copyright Notice Documentation Change Notification Download certificates for Espressif products from www.espressif.com/en/certificates. Espressif provides email notifications to keep customers updated on changes to technical documentation. Please subscribe at www.espressif.com/en/subscribe. C O NFIDENTIAL Information in this document, including URL references, is subject to change without notice. THIS DOCUMENT IS PROVIDED AS IS WITH NO WARRANTIES WHATSOEVER, INCLUDING ANY WARRANTY OF MERCHANTABILITY, NON-INFRINGEMENT, FITNESS FOR ANY PARTICULAR PURPOSE, OR ANY WARRANTY OTHERWISE ARISING OUT OF ANY PROPOSAL, SPECIFICATION OR SAMPLE. All liability, including liability for infringement of any proprietary rights, relating to use of information in this document is disclaimed. No licenses express or implied, by estoppel or otherwise, to any intellectual property rights are granted herein. The Wi-Fi Alliance Member logo is a trademark of the Wi-Fi Alliance. The Bluetooth logo is a registered trademark of Bluetooth SIG. All trade names, trademarks and registered trademarks mentioned in this document are property of their respective owners, and are hereby acknowledged. Copyright 2018 Espressif Inc. All rights reserved. Contents 1 Overview 2 Pin Definitions 2.1 Pin Layout 2.2 Pin Description 2.3 Strapping Pins 3 Functional Description 3.1 CPU and Internal Memory 3.2 External Flash and SRAM 3.3 Crystal Oscillators 3.4 RTC and Low-Power Management 4 Peripherals and Sensors 5 Electrical Characteristics 5.1 Absolute Maximum Ratings 5.2 Recommended Operating Conditions 5.3 DC Characteristics (3.3 V, 25 C) 5.4 Reflow Profile 6 Physical Dimensions 7 Recommended PCB Land Pattern 8 Learning Resources 8.1 Must-Read Documents 8.2 Must-Have Resources Revision History 1 3 3 3 4 6 6 6 6 7 8 9 9 9 9 11 12 13 14 14 14 15 1 3 5 9 9 9 List of Tables 1 2 3 4 5 6 ESP32-WROOM-32DC Specifications Pin Definitions Strapping Pins Absolute Maximum Ratings Recommended Operating Conditions DC Characteristics (3.3 V, 25 C) C O NFIDENTIAL 3 11 12 13 List of Figures 1 2 3 4 ESP32-WROOM-32DC Pin Layout (Top View) Reflow Profile Physical Dimensions of ESP32-WROOM-32DC Recommended PCB Land Pattern C O NFIDENTIAL 1. Overview 1. Overview ESP32-WROOM-32DC is a powerful, generic Wi-Fi+BT+BLE MCU module that targets a wide variety of applications, ranging from low-power sensor networks to the most demanding tasks, such as voice encoding, music streaming and MP3 decoding. Note:

* For details on the part numbers of the ESP32 family of chips, please refer to the document ESP32 Datasheet. At the core of this module is the ESP32-D0WD chip*. The chip embedded is designed to be scalable and adaptive. There are two CPU cores that can be individually controlled, and the CPU clock frequency is adjustable from 80 MHz to 240 MHz. The user may also power off the CPU and make use of the low-power co-processor to constantly monitor the peripherals for changes or crossing of thresholds. ESP32 integrates a rich set of peripherals, ranging from capacitive touch sensors, Hall sensors, SD card interface, Ethernet, high-speed SPI, UART, I2S and I2C. The integration of Bluetooth, Bluetooth LE and Wi-Fi ensures that a wide range of applications can be targeted, and that the module is all-around: using Wi-Fi allows a large physical range and direct connection to the internet through a Wi-Fi router, while using Bluetooth allows the user to conveniently connect to the phone or broadcast low energy beacons for its detection. The sleep current of the ESP32 chip is less than 5 A, making it suitable for battery powered and wearable electronics applications. The module supports a data rate of up to 150 Mbps, and 20 dBm output power at the antenna to ensure the widest physical range. As such the module does offer industry-leading specifications and the best performance for electronic integration, range, power consumption, and connectivity. C O NFIDENTIAL Specifications 802.11 b/g/n (802.11n up to 150 Mbps) A-MPDU and A-MSDU aggregation and 0.4 s guard interval support 2.4 GHz ~ 2.5 GHz Bluetooth v4.2 BR/EDR and BLE specification NZIF receiver with 97 dBm sensitivity The operating system chosen for ESP32 is freeRTOS with LwIP; TLS 1.2 with hardware acceleration is built in as well. Secure (encrypted) over the air (OTA) upgrade is also supported, so that developers can upgrade their products even after their release, at minimum cost and effort. Table 1 provides the specifications of ESP32-WROOM-32DC. Table 1: ESP32-WROOM-32DC Specifications Frequency range Protocols Categories Bluetooth Protocols Radio Items Wi-Fi Audio AFH CVSD and SBC SD card, UART, SPI, SDIO, I2C, LED PWM, Motor PWM, I2S, IR, pulse counter, GPIO, capacitive touch sensor, ADC, DAC Hall sensor 40 MHz crystal Hardware Module interface On-chip sensor On-board clock Espressif Systems 1 ESP32-WROOM-32DC Datasheet V0.1 1. Overview Categories Specifications 2.7 V ~ 3.6 V Average: 80 mA 500 mA Items Operating voltage/Power supply Operating current Minimum current delivered by power supply Recommended operating tem-

perature range Package size (mm) 40 C ~ +85 C

(18.000.10) (25.500.10) (3.100.10) C O NFIDENTIAL Espressif Systems 2 ESP32-WROOM-32DC Datasheet V0.1 2. Pin Denitions 2. Pin Definitions 2.1 Pin Layout C O NFIDENTIAL Function Ground Power supply Module-enable signal. Active high. GPIO36, ADC1_CH0, RTC_GPIO0 GPIO39, ADC1_CH3, RTC_GPIO3 GPIO34, ADC1_CH6, RTC_GPIO4 GPIO35, ADC1_CH7, RTC_GPIO5 GPIO32, XTAL_32K_P (32.768 kHz crystal oscillator input), ADC1_CH4, TOUCH9, RTC_GPIO9 GPIO33, XTAL_32K_N (32.768 kHz crystal oscillator output), ADC1_CH5, TOUCH8, RTC_GPIO8 No. Name 1 GND 2 3V3 EN 3 SENSOR_VP 4 SENSOR_VN 5 6 IO34 IO35 7 IO32 IO33 8 9 I/O I/O Figure 1: ESP32-WROOM-32DC Pin Layout (Top View) Type P P I I I I I Table 2: Pin Definitions ESP32-WROOM-32DC has 38 pins. See pin definitions in Table 2. 2.2 Pin Description Espressif Systems 3 ESP32-WROOM-32DC Datasheet V0.1 Keepout ZoneGNDIO23IO22TXD0RXD0IO21NCIO19IO18IO5IO17IO16IO4IO0383736353433323130292827262524232221201918171615IO2IO15SD1SD0CLKCMDSD3SD2IO13GND1234567891011121314GND3V3ENSENSOR_VPSENSOR_VNIO34IO35IO32IO33IO25IO26IO27IO14IO1239 GND 2. Pin Denitions Name IO25 IO26 IO27 No. 10 11 12 Type I/O I/O I/O P 16 15 14 13 23 I/O I/O I/O I/O IO2 IO13 IO12 IO14 IO15 GND 17 18 19 20 21 22 I/O I/O I/O I/O I/O I/O SHD/SD2*

SWP/SD3*

SCS/CMD*

SCK/CLK*

SDO/SD0*

SDI/SD1*

Function GPIO25, DAC_1, ADC2_CH8, RTC_GPIO6, EMAC_RXD0 GPIO26, DAC_2, ADC2_CH9, RTC_GPIO7, EMAC_RXD1 GPIO27, ADC2_CH7, TOUCH7, RTC_GPIO17, EMAC_RX_DV GPIO14, ADC2_CH6, TOUCH6, RTC_GPIO16, MTMS, HSPICLK, HS2_CLK, SD_CLK, EMAC_TXD2 GPIO12, ADC2_CH5, TOUCH5, RTC_GPIO15, MTDI, HSPIQ, HS2_DATA2, SD_DATA2, EMAC_TXD3 Ground GPIO13, ADC2_CH4, TOUCH4, RTC_GPIO14, MTCK, HSPID, HS2_DATA3, SD_DATA3, EMAC_RX_ER GPIO9, SD_DATA2, SPIHD, HS1_DATA2, U1RXD GPIO10, SD_DATA3, SPIWP, HS1_DATA3, U1TXD GPIO11, SD_CMD, SPICS0, HS1_CMD, U1RTS GPIO6, SD_CLK, SPICLK, HS1_CLK, U1CTS GPIO7, SD_DATA0, SPIQ, HS1_DATA0, U2RTS GPIO8, SD_DATA1, SPID, HS1_DATA1, U2CTS GPIO15, ADC2_CH3, TOUCH3, MTDO, HSPICS0, RTC_GPIO13, HS2_CMD, SD_CMD, EMAC_RXD3 GPIO2, ADC2_CH2, TOUCH2, RTC_GPIO12, HSPIWP, HS2_DATA0, SD_DATA0 GPIO0, ADC2_CH1, TOUCH1, RTC_GPIO11, CLK_OUT1, EMAC_TX_CLK GPIO4, ADC2_CH0, TOUCH0, RTC_GPIO10, HSPIHD, HS2_DATA1, SD_DATA1, EMAC_TX_ER GPIO16, HS1_DATA4, U2RXD, EMAC_CLK_OUT GPIO17, HS1_DATA5, U2TXD, EMAC_CLK_OUT_180 GPIO5, VSPICS0, HS1_DATA6, EMAC_RX_CLK GPIO18, VSPICLK, HS1_DATA7 GPIO19, VSPIQ, U0CTS, EMAC_TXD0

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GPIO21, VSPIHD, EMAC_TX_EN GPIO3, U0RXD, CLK_OUT2 GPIO1, U0TXD, CLK_OUT3, EMAC_RXD2 GPIO22, VSPIWP, U0RTS, EMAC_TXD1 GPIO23, VSPID, HS1_STROBE Ground C O NFIDENTIAL

* Pins SCK/CLK, SDO/SD0, SDI/SD1, SHD/SD2, SWP/SD3 and SCS/CMD, namely, GPIO6 to GPIO11 are connected to the integrated SPI flash integrated on the module and are not recommended for other uses. IO16 IO17 IO5 IO18 IO19 NC IO21 RXD0 TXD0 IO22 IO23 GND I/O I/O I/O I/O I/O

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I/O I/O I/O I/O I/O P 27 28 29 30 31 32 33 34 35 36 37 38 Notice:

IO0 IO4 I/O I/O I/O 24 25 26 2.3 Strapping Pins ESP32 has five strapping pins, which can be seen in Chapter 6 Schematics:

Espressif Systems 4 ESP32-WROOM-32DC Datasheet V0.1 2. Pin Denitions MTDI GPIO0 GPIO2 MTDO GPIO5 After reset, the strapping pins work as normal-function pins. Refer to Table 3 for a detailed boot-mode configuration by strapping pins. Software can read the values of these five bits from register GPIO_STRAPPING. To change the strapping bit values, users can apply the external pull-down/pull-up resistances, or use the host MCUs GPIOs to control the voltage level of these pins when powering on ESP32. Each strapping pin is connected to its internal pull-up/pull-down during the chip reset. Consequently, if a strapping pin is unconnected or the connected external circuit is high-impedance, the internal weak pull-up/pull-down will determine the default input level of the strapping pins. During the chips system reset (power-on-reset, RTC watchdog reset and brownout reset), the latches of the strapping pins sample the voltage level as strapping bits of 0 or 1, and hold these bits until the chip is powered down or shut down. The strapping bits configure the devices boot mode, the operating voltage of VDD_SDIO and other initial system settings. C O NFIDENTIAL 1 Timing of SDIO Slave Falling-edge Input Rising-edge Output 0 1 Falling-edge Input Falling-edge Output 0 0 Rising-edge Input Falling-edge Output 1 0 Firmware can configure register bits to change the settings of Voltage of Internal LDO (VDD_SDIO) and Timing Enabling/Disabling Debugging Log Print over U0TXD During Booting Rising-edge Input Rising-edge Output 1 1 Default Pull-up Pull-down Voltage of Internal LDO (VDD_SDIO) Pin GPIO0 GPIO2 Table 3: Strapping Pins Default Pull-down Default Pull-up Pull-up Pull-up MTDO GPIO5 Download Boot Pin MTDO Booting Mode U0TXD Active U0TXD Silent Pin MTDI Dont-care SPI Boot Default 1.8 V 3.3 V Note:

Pin 0 0 1 0 0 1 of SDIO Slave after booting. The module integrates a 3.3 V SPI flash, so the pin MTDI cannot be set to 1 when the module is powered up. Espressif Systems 5 ESP32-WROOM-32DC Datasheet V0.1 3. Functional Description 3. Functional Description This chapter describes the modules and functions integrated in ESP32-WROOM-32DC. during the Deep-sleep mode. 448 KB of ROM for booting and core functions. 520 KB of on-chip SRAM for data and instructions. by the main CPU during RTC Boot from the Deep-sleep mode. 3.2 External Flash and SRAM 3.1 CPU and Internal Memory 768 bits are reserved for customer applications, including flash-encryption and chip-ID. 8 KB of SRAM in RTC, which is called RTC SLOW Memory and can be accessed by the co-processor 1 Kbit of eFuse: 256 bits are used for the system (MAC address and chip configuration) and the remaining 8 KB of SRAM in RTC, which is called RTC FAST Memory and can be used for data storage; it is accessed ESP32-D0WD contains two low-power Xtensa 32-bit LX6 microprocessors. The internal memory includes:

C O NFIDENTIAL ESP32 supports multiple external QSPI flash and SRAM chips. More details can be found in Chapter SPI in the ESP32 Technical Reference Manual. ESP32 also supports hardware encryption/decryption based on AES to protect developers programs and data in flash. ESP32-WROOM-32DC integrates 4 MB of external SPI flash. The 4-MB SPI flash can be memory-mapped onto the CPU code space, supporting 8, 16 and 32-bit access. Code execution is supported. The integrated SPI flash is connected to GPIO6, GPIO7, GPIO8, GPIO9, GPIO10 and GPIO11. These six pins cannot be used as regular GPIOs. When external flash is mapped into CPU instruction memory space, up to 11 MB + 248 KB can be mapped at a time. Note that if more than 3 MB + 248 KB are mapped, cache performance will be reduced due to speculative reads by the CPU. When external flash is mapped into read-only data memory space, up to 4 MB can be mapped at a External SRAM can be mapped into CPU data memory space. Up to 4 MB can be mapped at a time. The external flash can be mapped into CPU instruction memory space and read-only memory space ESP32 can access the external QSPI flash and SRAM through high-speed caches. 8-bit, 16-bit and 32-bit reads and writes are supported. time. 8-bit, 16-bit and 32-bit reads are supported. simultaneously. 3.3 Crystal Oscillators The module uses a 40-MHz crystal oscillator. Espressif Systems 6 ESP32-WROOM-32DC Datasheet V0.1 3. Functional Description 3.4 RTC and Low-Power Management With the use of advanced power-management technologies, ESP32 can switch between different power modes. For details on ESP32s power consumption in different power modes, please refer to section RTC and Low-Power Management in ESP32 Datasheet. C O NFIDENTIAL Espressif Systems 7 ESP32-WROOM-32DC Datasheet V0.1 4. Peripherals and Sensors 4. Peripherals and Sensors Please refer to Section Peripherals and Sensors in ESP32 Datasheet. Note:

External connections can be made to any GPIO except for GPIOs in the range 6-11. These six GPIOs are connected to the modules integrated SPI flash. For details, please see Section 6 Schematics. C O NFIDENTIAL Espressif Systems 8 ESP32-WROOM-32DC Datasheet V0.1 5. Electrical Characteristics 5. Electrical Characteristics 5.1 Absolute Maximum Ratings 1 Unit V C mA Min 0.3 40

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Max 3.6 150 1,100 Table 4: Absolute Maximum Ratings Symbol VDD33 Tstore IO 2. Please see Appendix IO_MUX of ESP32 Datasheet for IOs power domain. 5.2 Recommended Operating Conditions Stresses beyond the absolute maximum ratings listed in the table below may cause permanent damage to the device. These are stress ratings only, and do not refer to the functional operation of the device. 1. The module worked properly after a 24-hour test in ambient temperature at 25 C, and the IOs in three domains Parameter Power supply voltage Storage temperature Cumulative IO output current

(VDD3P3_RTC, VDD3P3_CPU, VDD_SDIO) output high logic level to ground. Please note that pins occupied by flash and/or PSRAM in the VDD_SDIO power domain were excluded from the test. C O NFIDENTIAL Parameter Power supply voltage Current delivered by external power supply Operating temperature High-level input voltage Low-level input voltage High-level input current Low-level input current High-level output voltage Low-level output voltage 5.3 DC Characteristics (3.3 V, 25 C) Symbol CIN VIH VIL IIH IIL VOH VOL Table 5: Recommended Operating Conditions Table 6: DC Characteristics (3.3 V, 25 C) Symbol VDD33 IV DD T Typical 3.3

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Max 3.6

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85 Unit V A C Min 2.7 0.5 40 Pin capacitance Parameter High-level source current

(VDD1 = 3.3 V, VOH >= 2.64 V, PAD_DRIVER = 3) VDD3P3_CPU power domain 1; 2 VDD3P3_RTC power domain 1; 2 VDD_SDIO power domain 1; 3 Min

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0.75VDD1 0.3

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0.8VDD1

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-

-

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Typ Max 2

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40 40 20 Unit pF

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VDD1+0.3 V 0.25VDD1 V 50 nA nA 50 V

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0.1VDD1 V mA

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mA

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mA Low-level sink current

(VDD1 = 3.3 V, VOL = 0.495 V, PAD_DRIVER = 3) Pull-up resistor

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28 45

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mA k IOH IOL RP U Espressif Systems 9 ESP32-WROOM-32DC Datasheet V0.1 5. Electrical Characteristics Symbol RP D VIL_nRST Notes:

Parameter Pull-down resistor Low-level input voltage of CHIP_PU to reset the chip Min

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Typ Max 45

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0.6 Unit k V 1. Please see Appendix IO_MUX of ESP32 Datasheet for IOs power domain. VDD is the I/O voltage for a particular power domain of pins. 2. For VDD3P3_CPU and VDD3P3_RTC power domain, per-pin current sourced in the same domain is gradually reduced from around 40 mA to around 29 mA, VOH>=2.64 V, as the number of current-source pins increases. 3. Pins occupied by flash and/or PSRAM in the VDD_SDIO power domain were excluded from the test. Espressif Systems 10 ESP32-WROOM-32DC Datasheet V0.1 5. Electrical Characteristics 5.4 Reflow Profile C O NFIDENTIAL Figure 2: Reflow Profile Espressif Systems 11 ESP32-WROOM-32DC Datasheet V0.1 501500251 ~ 3/s0200250200-1 ~ -5/sCooling zone10021750100250Reow zone 217 60 ~ 90sTemperature ()Preheating zone150 ~ 20060 ~ 120sRamp-up zonePeak Temp.235 ~ 250Soldering time> 30sTime (sec.)Ramp-up zone Temp.: <150 Time: 60 ~ 90s Ramp-up rate: 1 ~ 3/sPreheating zone Temp.: 150 ~ 200 Time: 60 ~ 120s Ramp-up rate: 0.3 ~ 0.8/sReow zone Temp.: >217 60 ~ 90s; Peak Temp.: 235 ~ 250 (<245 recommended) Time: 30 ~ 70sCooling zone Peak Temp. ~ 180 Ramp-down rate: -1 ~ -5/sSolder Sn&Ag&Cu Lead-free solder (SAC305) E s p r e s s i f S y s t e m s 1 2 E S P 3 2

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W R O O M

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3 2 D C D a t a s h e e t V 0 1

. 6. Physical Dimensions C O N FID E N 6 P h y s c a i l i D m e n s o n s i TIA L Figure 3: Physical Dimensions of ESP32-WROOM-32DC PCB ThicknessModule Thickness3.100.100.800.101.270.101.500.1017.600.10Module WidthModule Length1.270.1011.430.1025.500.1018.000.10Unit: mm16.510.1011.430.103.280.101.270.1025.500.10ESP32-WROOM-32DC DIMENSIONSTop ViewSide ViewBottom ViewAntenna Area0.900.100.850.106.200.1015.800.101.500.100.450.100.900.1018.000.103.280.100.500.106.400.109.200.102.200.102.200.10 7. Recommended PCB Land Pattern 7. Recommended PCB Land Pattern C O NFIDENTIAL Figure4: Recommended PCB Land Pattern Espressif Systems 13 ESP32-WROOM-32DC Datasheet V0.1 25.5181.27x13=16.511.27x9=11.432.785126.3177.492.785550.91152438Unit:mm6.514 8 Learning Resources 8. Learning Resources 8.1 Must-Read Documents The following link provides documents related to ESP32. ESP32 Datasheet ESP32 Hardware Resources ESP-IDF Programming Guide ESP32 Hardware Design Guidelines ESP32 Technical Reference Manual ESP32 AT Instruction Set and Examples The manual provides detailed information on how to use the ESP32 memory and peripherals. It hosts extensive documentation for ESP-IDF ranging from hardware guides to API reference. This document provides an introduction to the specifications of the ESP32 hardware, including overview, pin definitions, functional description, peripheral interface, electrical characteristics, etc. The zip files include the schematics, PCB layout, Gerber and BOM list of ESP32 modules and development boards. The guidelines outline recommended design practices when developing standalone or add-on systems based on the ESP32 series of products, including the ESP32 chip, the ESP32 modules and development boards. C O NFIDENTIAL ESP32 development projects are freely distributed under Espressifs MIT license on GitHub. It is established to help developers get started with ESP32 and foster innovation and the growth of general knowledge about the hardware and software surrounding ESP32 devices. This document introduces the ESP32 AT commands, explains how to use them, and provides examples of several common AT commands. This is an Engineer-to-Engineer (E2E) Community for ESP32 where you can post questions, share knowledge, explore ideas, and help solve problems with fellow engineers. This is a webpage where users can download ESP32 Flash Download Tools and the zip file ESP32 Certification and Test. 8.2 Must-Have Resources Here are the ESP32-related must-have resources. Espressif Products Ordering Information ESP32 GitHub ESP32 Tools ESP32 BBS ESP-IDF This webpage links users to the official IoT development framework for ESP32. ESP32 Resources This webpage provides the links to all available ESP32 documents, SDK and tools. Espressif Systems 14 ESP32-WROOM-32DC Datasheet V0.1 Revision History Revision History Date 2018.10 Version V0.1 Release notes Preliminary release. FCC Statement Any Changes or modifications not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. 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, and

(2) This device must accept any interference received, including interference that may cause undesired operation. FCC Radiation Exposure Statement:

This equipment complies with FCC 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. FCC Label Instructions:

The outside of final products that contains this module device must display a label referring to the enclosed module. This exterior label can use wording such as: Contains Transmitter Module FCC ID: 2AC7Z-ESPWROOM32DC,or Contains FCC ID: 2AC7Z-ESPWROOM32DC, Any similar wording that expresses the same meaning may be used. C O NFIDENTIAL Espressif Systems 15 ESP32-WROOM-32DC Datasheet V0.1

TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 Neteera 130H/131H Instructions for use Reviewers Name Position Date Signature Author Idan Yona Customer Engamenet Manager 22-Mar-2021 Reviewer Shahar Yaron VP Product Approver Rakefet Shohat QA Manager 22-Mar-2021 22-Mar-2021 Revision History Version Author 0.7 1.0 1.1 Hanna Riezk Hanna Riezk Idan Yona Changes First Issue Initial Release Added Part 15 of the FCC Rules claims. Confidential Page 1 of 26 TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 Neteera 130H/131H Instructions for use Copyright 2021 Neteera Technologies Ltd. All rights reserved worldwide. These instructions for use are proprietary of Neteera Technologies Ltd. Unauthorized use, disclosure or reproduction is prohibited. Neteera Technologies Ltd assumes no responsibility for errors that may appear in these instructions for use. Neteera Technologies Ltd reserves the right to make changes without notice to these instructions for use and the products described herein. Contact and Support Information For any question or help during installation/operation of the system, contact your FAE representative or support@neteera.com You may contact Neteera Technologies Ltd at:

BLDG 1.1, High-Tech Village, Hebrew University of Jerusalem, Givat Ram Campus, Jerusalem, Israel 9139002 Confidential Page 2 of 26 TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 Table of Contents 1. Introduction 1.1 1.2 Acronyms and Terminology About this product 1.3 Hardware requirements 2. HW installation 2.1 HW Technical description 2.2 Neteera 130/131H characteristics 2.3 The main unit the Neteera130/131H radar 3. General Safety Guidelines 3.1 General Hazards 3.2 Contraindications for Use 3.3 Warnings and Cautions 4.Device installation 4.1 Mounting accessories 4.2 Installation types 4.3 Installation instructions 5. Software Instructions 5.1 Connect to an external device PC/Laptop/Tablet 5.2 Starting a monitoring session 5.3 Parameters displayed 6. View results on local db 7. Patient/user preparation 8. Maintenance and Cleaning 9. Troubleshooting 4 4 5 5 6 7 7 9 10 10 10 10 12 12 13 14 15 15 15 19 23 25 25 26 Confidential Page 3 of 26 TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 1. INTRODUCTION 1.1 Acronyms and Terminology Term Neteera130/131H VS HW SW HR RR BCG Description Neteeras System (Micro-Radar Based system) Vital Signs Hardware Software Heart rate Respiratory rate Ballistocardiograph Image 1: Explanation of system labels FCC ID: 2AYVO-NETEERA1301 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, and

(2) This device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the users authority to operate this equipment. Note: 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. The maximum output power of our WiFi module ESP-WROOM-32DC ( FCC ID : 2AC7Z -ESPWROOM32DC), is limited, to 19 dBm. Confidential Page 4 of 26 TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 1.2 About this product Neteera device is a contact-free vital-signs monitor based on a high frequency (122.25-123 GHz) micro-radar on-chip and algorithm, capable of detecting a variety of parameters: Respiration Rate

(RR), Heart Rate (HR), during rest or subjects mild body movement. More information about these parameters is provided in chapter 5.3 - parameters displayed. The Neteera device is intended for contactless monitoring of HR and RR, for spot and continuous monitoring by healthcare professionals (in healthcare facilities and home monitoring). The indications provided are to be used by health care practitioners and are intended to be reviewed and interpreted by clinicians to assess patients medical situation. The Neteera monitoring system is not intended to be used as an alarm system for potentially life-

threatening situations in which medical intervention is necessary (e.g., ICU). Neteera novel micro radar-based solution enables to measure remotely, in real-time, in a non-

invasive, non-contact manner, only the micro-motions of the skin (BCG) through non-

conductive materials such as furniture and clothing at a high resolution, and it has several different mounting options and measuring ranges as detailed below. The presented product is divided into two different configurations:

130H: contains a wifi component that enables communication and data transfer over an internet network 131H: enables P2P communication only through a USB connection between the device and an external Windows device. 1.3 Hardware requirements The Neteera 130/131H has a hardware component (the case housing the radar itself) and the software that operates it and runs over the device. To collect the data from the device and to display it, an external device is needed that will communicate with the device. The requirements for such a device as below:

PC/tablet with:

Windows 10 USB 2.0 port Core i3 8 GB RAM display resolution HD SSD 64GB WiFi 2.4GHz 802.11b/g Confidential Page 5 of 26 TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 2. HW INSTALLATION Neteera 130/131H consists of:

Neteera 130/131H main unit USB 2.0 cable Power supply (130H) Image 2: system parts When the installation is complete (according to the instructions found below), it should look like this:

The data is sent to a PC via the USB cable/WiFi Vital signs are displayed on the screen Image 3: Neteera 130/131H system operation Confidential Page 6 of 26 TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 2.1 HW Technical description Component Description Neteera130/131H Main unit Full p2p radar-based system with PLL working at 116-123 GHz USB cable Standard 2.0 USB cable 2.2 Neteera 130/131H characteristics 2.2.1 Vital signs Parameter Value HR Heart Rate Range 40 to 160 BPM (Beats Per Minute) HR output rate Maximal HR change speed Every 1 second 4 BPM/sec RR Respiration Rate Range 5 to 40 BrPM (Breaths Per Minute) RR output rate Maximal RR change speed HR accuracy RR accuracy RA scale 2.2.2 Operation Specifications Every 2 second 2 BrPM/sec Up to 10% deviation Up to 10% deviation, or up to 2 BrPM 1 (low) to 5 (high) Parameter Value Measuring Range to the Subject 0.160.65 ft./5-20cm: Mounted in a back 0.65-4.92 ft./20-150cm: Mounted in front Mounting Options Mounted in the back/front of a chair 2.2.3 SensorCharacteristics Parameter Value Maximum Radiated Power(E.I.R.P) Up to 20 dBm Field of View (-6dBBeam Width) Polarization 13 deg Linear Confidential Page 7 of 26 TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 2.2.4 Electrical Characteristics Parameter Value Operating Voltage Power/Data Connector Power Consumption, typical (130H) Power Consumption, typical (131H) Power Supply Options 2.2.5 Physical Characteristics 5V +/-5%

USB 2.0 4.5W 3 W Charger 5V/1A or Type A USB 2.0 port of a host device Parameter Value Dimensions (L x W x H) 3.22*1.22*2.36 in. /82*31*60mm Weight 0.661 lb./300 gr. 2.2.6 Occupancy detection characteristics Parameter Value Accuracy Response time 96%

Up to 5 sec 2.2.7 Data Connectivity Parameter Value Wired Wired data protocol Wireless(optional) Wireless dataProtocol USB 2.0 CDC transfer protocol Wi-Fi 801.22 b/g NeteeraMQTT 2.2.8 Environmental Characteristics Parameter Value symbol Operation Temperature 32 to +122 F/ 0 to +50 C Storage Temperature

-40 to +176 F/ -40 to +80 C Confidential Page 8 of 26 TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 Operating and storageHumidity Up to 75% (non-condensing) MR compliance Not MR compliant Atmospheric pressure 700-1060 hPa 2.3 The main unit the Neteera130/131H radar Radar lens Main unit outer casing Image 4: Neteera 130/131H main unit The main unit has a lens, outer casing, and a mounting accessory. The unit will be mounted on a chair seat (as will be detailed below). In case there is a need to install it on a bed, kindly contact the support team. PLEASE NOTE: ONLY mount and use this unit assembled as originally received. DO NOT try to disassemble the black casing may compromise device safety and proper functionality. Confidential Page 9 of 26 TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 3. GENERAL SAFETY GUIDELINES 3.1 General Hazards Do not use a damaged sensor. The use of damaged components might result in the malfunctioning of the system. Handle the sensing unit with care. Do not drop, knock, or shake the sensing unit. Rough handling can damage the internal circuit boards. The sensor is intended for indoor operation only. Avoid any contact with water or any other chemical. Cleaning is only allowed using a damp clean cloth, without harsh detergents, or per healthcare facility procedures A damaged sensor should not be disposed of as unsorted municipal waste. Contact your local distributor for unit disposal. Changes or modifications not expressly approved by Neteera technologies could affect the safety or effectiveness of the Neteera 130/131H performance and void the warranty. The Neteera 130/131H standard is designed with reasonable protection against harmful interference in a typical medical installation. However, because of the proliferation of radio frequency transmitting equipment and other sources of electrical noise in healthcare and other environments, it is possible that high levels of such interference due to proximity or strength of a source might disrupt the performance of this device. 3.2 Contraindications for Use Neteera 130/131H is contraindicated for use in:

Patients in whom proper positioning cannot be achieved or maintained. An explosive atmosphere or in the presence of flammable anesthetics or gases. Situations where a dry environment cannot be ensured. A Magnetic Resonance Imaging (MRI) environment. Any other system or environment which was not authorized by the Neteera Technologies Company 3.3 Warnings and Cautions If a sensor does not operate properly, contact Customer Support. Use only the supplied accessories and parts. In case a part or accessory should be replaced, contact Neteera support. Do not attempt to replace parts or accessories without prior consultation by Neteera support. Do not share the chair with another person or pet during Neteera 130/131H recording session. Sharing the chair could affect the effectiveness of the system and the accuracy of the measurements. Confidential Page 10 of 26 TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 Avoid using heating blankets, or any other metal-containing heating item located between the chair and the patient. The use of heating blankets could affect the effectiveness of the Neteera 130/131H and void the systems warranty. The patient should not have direct contact with the Sensing Unit. The Neteera 130/131H is not intended for monitoring high-risk situations where ECG monitoring is required. The most reliable method of patient monitoring combines close personal surveillance with the correct operation of the monitoring equipment. The Neteera 130/131H technology and parameters have not been studied on any specific patient group, neither has it been studied as a diagnostic tool of any specific disease or medical condition. It is meant as an adjunctive tool only for measuring respiratory rate, heart rate. As with all medical equipment, carefully route sensor cables and connections to reduce the possibility of entanglement or strangulation. The Neteera 130/131H monitoring system is not intended to be used as an alarms system for potentially life-threatening situations in which medical intervention is necessary. Interconnection of this equipment to other equipment not described in the instructions for use is prohibited Confidential Page 11 of 26 TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 4.DEVICE INSTALLATION 4.1 Mounting accessories There are three mount devices supplied by Neteera to perform installations. The mount devices are supplied to the customer as a kit according to request. 1. Tripod part number: 130-00-903-00 The tripod is not part of the product, meaning it can be supplied in small quantities to test the technology or for demonstrations. The tripod is supplied with a ball-joint for easy adjustment. Image 5: Tripod mount 2. Table / Pole mount part number: 130-00-901-00 The table/pole mount is part of the product, meaning this can be supplied in large quantities. This device is supplied with a ball-joint ( and hinge for assembly) for easy adjustment. Image 6: Table/Pole mount Confidential Page 12 of 26 TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 3. Wall mount - part number: 130-00-902-00 The wall-mount is part of the product, meaning this can be supplied in large quantities. 4.2 Installation types Image 7: Wall mount 130/131H product can be installed in front of the measured subject. The mounting devices mentioned above can be installed while the subject is sitting on a chair or lying on a bed. Chair installation: the product will be installed on a table using a tripod or table mount as presented below. Image 8: tripod installed on a table Image 9: table mount installed on a table Bed installation: the product will be installed above the subject using a wall mount or pole mount as presented below:

Image 10: pole mount installed above bed Image 11: wall mount installed Confidential Page 13 of 26 TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 4.3 Installation instructions Please read the instructions carefully before beginning installation The first step is to install the HW. Before you begin, please make sure you have:

All the required HW parts - main unit (130/131H) and the USB 2.0 cable. An external device - PC/Tablet with the needed requirements. Neteera SW (supplied by Neteera) on the external device. Installation steps:

The front installations can be done within a minimum distance of 20 cm and up to 150 cm from the subjects body. The lens located at the center of the product main unit should point to the center of mass of the subjects body. Meaning that it towards the subjects torso. The main unit should be parallel as possible to the subjects body. The device should be installed on a stable surface/location to avoid performance disruptions. NOTE: Back installation are possible and are defined as integration projects. The minimum distance of a back installation is 5 cm from the subject. The path of the Radar to the subjects body should be clear from metal parts Confidential Page 14 of 26 TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 5. SOFTWARE INSTRUCTIONS 5.1 Connect to an external device PC/Laptop/Tablet Use the supplied USB 2.0 cable to connect the Neteera 130/131H main unit to the external device. Make sure that the blue LED illuminates steadily after 10 seconds of connecting the system. This is an indication that the system is receiving voltage and can operate properly. 5.2 Starting a monitoring session Run the Neteera software (supplied with the system) by double-clicking the Neteera_run.bat file. The Neteera UI will appear. Image 12: the icon of Neteera software Click once on the start button. Image 13: the system is ready to start the monitoring session Confidential Page 15 of 26 TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 If there is a USB image flashing on the screen, or if there is no play symbol the main unit is not connected properly, check the USB cable connection. Image 14: main unit is not connected properly, check the USB cable A menu will appear insert patient info PatientsID-kindly use an up to a22 digitnumber (only).This number should be anonymous, asfornow,thecloud is not GDPR/HIPAA certified(pending for future version). Patientsweight(Kg) Patientsbody temperature(Celsius) Patientsage Patientsblood pressure (systolic and diastolic) When finished inserting therequired info -click start session. Confidential Page 16 of 26 TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 Image 15: Enter patients information About 30 seconds after clicking start session, the vital signs will start streaming. As presented in the image below. Image 16: Neteeras streaming vital signs Confidential Page 17 of 26 TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 If Neteera 131H signal is compromised due to excessive movement of the subject, the message will change to Low signal reliability which means that the received vital signs should be discarded. Image 17: message on the screen In case the subject is leaving the devices field of view, the UI will indicate it by display Empty-seat Image 18: message on the screen Confidential Page 18 of 26 TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 5.3 Parameters displayed The left part of thescreen displays HR and RR trends:

Image 19 Left part of the screen: a streaming wave of HR and RR trends The right part of the screen shows the real-time results for HR, RR, and RA and the timer as well:

Image 20 right part of the screen Confidential Page 19 of 26 TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 5.4 Finishing the monitoring session To terminate the session, click the Stop button:

Image 21 terminating monitoring session Session results will appear on the screen, together with a reference info menu. Image 22 session results and reference info Confidential Page 20 of 26 TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 In case the session quality was low a suitable message will be displayed. No data will be saved from this session for later review. Image 23 Low Session Quality message If a reference device for heart rate, respiratory rate, and saturation levels was used during the session, please enter the recorded values in the appropriate places (this is an optional step if no reference was used, click cancel):

Image 24 session results and reference info Confidential Page 21 of 26 TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 The session should last at least 30 seconds. In case it was terminated before 30 seconds had passed, the RR and HR will have a negative value:

Image 25 session too short Confidential Page 22 of 26 TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 6. VIEW RESULTS ON LOCAL DB Recorded sessions are automatically uploaded to the local DB on the customers side (once an hour). To access this information double-click on the Neteera_local_DB icon. Image 26: the icon of local DB After pressing it the following web window will appear with all the sessions that were recorded by the customer. Image 27 Recorded sessions summary On the top right side, the customer can filter by different parameters Image 28 search parameters Confidential Page 23 of 26 TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 Parameters on the top menu:

Session ID session numbering (automatically numbered by Neteera this number can be used as a reference in case a specific session requires support or investigation by the Neteera team) Customer session ID future feature Patient -A_ID - the anonymous ID that was entered at the beginning of the session System # - the device identifier Date session recording date HR/RR med, min, max Heart rate and respiratory rate median, minimal and maximal values. Customer sensors/reference customers reference results (manually entered by the customer) Single session view To see more information about a particular session, click the relevant session line. The next screen will follow:

Image 29 Single recorded sessions detailed information Confidential Page 24 of 26 TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 7. PATIENT/USER PREPARATION Before beginning the monitoring session, make sure that:

The patient/user is sitting comfortably in the chair, facing forward. The patient/user sits upright (not slouching), and his back is leaning against the chairs back There is no interfering object between the patients/users torso and the sensors field of view. The patient/user is at rest, and not moving or speaking Neteera 130/131H is properly mounted to the chair 8. MAINTENANCE AND CLEANING The Neteera 130/131H is designed to provide a trouble-free and maintenance-free operation. The only maintenance required is to keep the system clean and dry and to verify that there is no physical damage to the Sensor. Gently wipe the radar lens using a soft, damp cloth/wipes containing anti-septic substances. Wipes containing alcohol, Chlorhexidine, and bleach material can be used. Please ensure that the sensor is dry before re-use. Confidential Page 25 of 26 TITLE: Neteera 130H/131H IFU RELEASE DATE: 22-Mar-2021 DEPARTMENT: Product NUMBER: IFU-000 EFFECTIVE DATE: 22-Mar-2021 REVISION: 1.1 9. TROUBLESHOOTING Issue The screens of the UI are greyed out and no vital sign is demonstrated Possible reason Software launch issue After clicking the start button, Neteeras UI is not displaying any vital signs The main unit connection issue Low signal quality The signal is not stable or reliable Heart rate or respiratory rate (or both) are not streaming on the right part of the screen, and some numeric parameters related to them are not displayed Session failed Error description:

Low session quality, please restart the session message displayed instead of session results (after the session was stopped) Session failed Error description:

Session was too short, please restart the session message displayed instead of session results (after the session was stopped) USB symbol is flashing on the screen USB cable connection Session too short issue How to fix Re-activate the Neteera software follow the instructions on part 3.2 operating the software in this manual Check the cable connection to the Neteera 130/131H and the PC/laptop, and then re-activate the Neteera software follow the instructions on part 3.2 operating the software in this manual The Signal was not reliable Usually due to excessive patient motion) Session running time was shorter than 30 seconds Check the USB connection and inspect the cable for damage. In case the USB cable needs to be replaced, kindly contact the Support team, as a new configuration should apply. For any question or help during the installation/operation of the system, contact our FAE representative or support@neteera.com Confidential Page 26 of 26

Neteera technologies Ltd. FCC ID: 2AC7Z-ESPWROOM32DC Label Models number 130H / 130W Page 1 of 3 Neteera technologies Ltd. FCC ID: 2AC7Z-ESPWROOM32DC Label location Label with FCC ID: 2AYVO-NETEERA1301 and also contain FCC ID: 2AC7Z-ESPWROOM32DC will be located at the bottom part of the units shell, on the motor cover. The statement according to FCC part 15 15.19(a)(3). Page 2 of 3 Neteera technologies Ltd. FCC ID: 2AC7Z-ESPWROOM32DC Label location Label with FCC ID: 2AYVO-NETEERA1301 and also contain FCC ID: 2AC7Z-ESPWROOM32DC will be located on the device packaging. The statement according to FCC part 15 15.19(a)(5). Page 3 of 3

Neteera Technologies Ltd. High-Tech Village 1.1 The Hebrew University of Jerusalem Givat Ram PO Box 39088 Jerusalem 9139002, ISRAEL Authorization letter April 12, 2021 To whom it may concern:

Subject: Permission letter Module FCC ID: 2AC7Z-ESPWROOM32DC, Date of Grant:

12/16/2018 Being the Module applicant for the above mentioned FCC ID, We ESPRESSIF SYSTEMS

(SHANGHAI) CO., LTD, hereby authorize Neteera technologies Ltd. To make a permissive change Class II to ESP32-WROOM-32DC, FCC grant ID: 2AC7Z-ESPWROOM32DC. The permissive change is for the use of the ESP32-WROOM-32DC in Neteera technologies Ltd. Products and should in no way affect the original grant. _ Best Regards, Ai. Uo Mia Zhou ESPRESSIF

Airspan Networks (Israel) Ltd. Unitronics Bldg., 1 Harava street, P.O.B. 199, Airport City, 70100, Israel tel. +972 3977 7444 FAX: +972 3977 7400 www.airspan.com Attestation Letter April 13, 2021 Reference: FCC ID: 2AC7Z-ESPWROOM32DC To whom it may concern: This letter is confirmation of our request to apply for a Cl2PC for the Wi-Fi module supplied by ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD, model ESP32-WROOM-32DC, approved under FCC ID: 2AC7Z-ESPWROOM32DC. This evaluation concerns the use of an existing Wi-Fi module of ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD in Neteera technologies Ltd. host Respiratory and cardiac rate monitor. This letter is provided to state Neteera technologies Ltd. has not performed any modification and not changed any characteristics of radio module, including increase output power, frequency range and antenna. This Class 2 Permissive Change addresses the exposure distance when the radio is housed in the Neteera technologies Ltd. host Respiratory and cardiac rate monitor. Originally, the minimum exposure distance was 20 cm. The exposure distance now is 5 cm as the device is considered portable. The file RF_Env_evaluation_41599_Wi-Fi attached to this application. Accompanying this letter is a letter from ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD confirming their permission for us to carry out this change. Sincerely yours, Mr. Shahar Yaron VP product Neteera technologies Ltd.

FCC, Request for non-disclosure Date: 21-Nov-2018 RF_501, Issue 8 Page 1 of 1 Company Name: Neteera Technologies LTD Address: High Tech Village, Building 1.1, Hebrew University City: Jerusalem 9139002 Country: Israel To: Telefication B.V., Dept. FCC TCB Wilmersdorf 50 7327 AC Apeldoorn The Netherlands Subject: Request for confidentiality FCC ID: 2AC7Z-ESPWROOM32DC Reference number: 41599 Dear FCC TCB, 1. Long-Term Confidentiality Pursuant to 47 CFR Section 0.459(a) & (b), we hereby requests non-disclosure and confidential treatment of the following materials submitted in support of FCC certification application: Bill(s) of Material Block Diagrams Operational Description Schematic Diagrams Tune-up Procedure Above materials contain secrets, proprietary and technical information, which would customarily be guarded from competitors under 47 CFR, section 0.457(d)(2). Disclosure or publication or any portion of this company confidential material to other parties could cause substantial competitive harm and provide unjustified benefits for competitors. 2. Short-Term Confidentiality (STC) Pursuant to Public Notice DA 04-1705 of the Commissions policy, in order to comply with the marketing regulations in 47 CFR 2.803 and the importation rules in 47 CFR 2.1204, applicant hereby requests Short-Term Confidential treatment of the following materials (See notes below): Internal Photos Users Manual Test Set-up Photos External Photos Justification: The above information may assist competitors in understanding the system archtecture and major components, which may hurt our competitive advantage and help competitors with designing competing products Date: April 13, 2021 Name and signature of applicant: Shahar Yaron Notes: 1) A document or type of document can only have ONE type of confidentiality! 2) Short-Term confidentiality is in principle for 45 days from date of grant; it can be extended max 3 times (total time 180 days max.)! The planned date should stated in the RF731 application form. 3) FCC must be informed when marketing begins earlier. 4) Release takes place automatically thus extension must be requested in time. Telefication does not remind you of this! 5) Request for extension or for release must be received by Telefication at least 7 days before date of actual marketing or before expiration of the STC period

Neteera Confidential 1 April 13, 2021 To: Telefication B.V. Attn: Dept. FCC TCB Wilmersdorf 50 7327 AC Apeldoorn The Netherlands Subject: Application for certification of the Class II Permissive Change for the Wi-Fi module FCC ID: 2AC7Z-ESPWROOM32DC used in Neteera technologies Ltd. host Dear Gentlemen, Please find attached our application for certification of Class II Permissive Change for the Wi-Fi module FCC ID: 2AC7Z-ESPWROOM32DC. The grantees ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD authorization letter with permission to perform Class II changes is included in Application exhibits. The product testing and this application for certification were performed by Hermon Laboratories, which is recognized and accredited by FCC, Test Firm Registration Number is 927748, Designation Number is IL1001. Hermon Labs responsible person is Mr. Michael Nikishin, tel: 011 972 4626 8440, fax:011 972 4628 8277, e-mail: nikishin@hermonlabs.com. We hope this application satisfies your requirements. Please send an invoice to Hermon Labs. Sincerely, Shahar Yaron, VP product Neteera Technologies LTD

RF_160, Issue 04 Neteera Confidential 1 Declaration of Authorization We Name: Neteera Technologies Ltd. Address: High Tech Village, 1.1, Hebrew University. City: Jerusalem 9139002. Country: Israel . Declare that: Name Representative of agent: . (1) Agent Company name: Hermon Laboratories Ltd. Address: Harakevet Industrial Zone .. City: Binyamina 30500 .. Country Israel . is authorized to apply for Certification of the following product(s): Product description: Wi-Fi Module . Type designation: ESP32-WROOM-32DC Trademark: NA . Validity/ expiry date April 13, 2022 on our behalf. Date: April 13, 2021.. City: Jerusalem .. Name: Shahar Yaron.. (2) Function: VP product. Signature: . Notes: (1): Required for FCC application (2): For FCC it must be the Grantee Code owner or the authorized agent.