FCC ID: 2ALGY-21032 BT 5.0 module

Shenzhen Holyiot Technology Co.,Ltd www.holyiot.com info@holyiot.com Version: 1 Issued Date: 2021/05/06 Datasheet

(Product): BT 5.0 module

(Model No.): HOLYIOT-21033 -nRF52832 1 Shenzhen Holyiot Technology Co.,Ltd www.holyiot.com info@holyiot.com 1. Description ............................................................................................................................................................................. 3 Hardware : ......................................................................................................................................................................... 3 Features : ........................................................................................................................................................................... 3 Application: ........................................................................................................................................................................ 4 2. Introduction ............................................................................................................................................................................ 5 2.1 Programmer ................................................................................................................................................................ 5 2.2 Software development Tool ...................................................................................................................................... 5 2.3 Protocols ..................................................................................................................................................................... 5 Software Development Kit ...................................................................................................................................... 5 2.4 SoftDevices ................................................................................................................................................................. 5 3. Product Descriptions ............................................................................................................................................................ 6 3.1 Mechanical drawings ................................................................................................................................................. 6 3.2 Pin assignments ......................................................................................................................................................... 6 4. Mounting our board on the host PCBA .............................................................................................................................. 8 5. Miscellaneous ........................................................................................................................................................................ 9 6. Absolute maximum ratings .................................................................................................................................................. 9 2 Shenzhen Holyiot Technology Co.,Ltd www.holyiot.com info@holyiot.com 1. Description HOLYIOT-21033 BLE module is based on Nordic nRF52832 SoC, the nRF52832 SoC is a powerful, highly flexible ultra-low power multi-protocol SoC ideally suited for Bluetooth low energy (previously called Bluetooth Smart), ANT and 2.4GHz ultra low-power wireless applications. The nRF52832 SoC is built around a 32-bit ARM Cortex-M4F CPU with 512kB + 64kB RAM. The embedded 2.4GHz transceiver supports Bluetooth low energy, ANT and proprietary 2.4 GHz protocol stack. It is on air compatible with the nRF51 Series, nRF24L and nRF24AP Series products from Nordic Semiconductor. Processing power Multiprotocol radio (bluetooth low energy, ANT, 2.4G proprietary) Power efficiency Hardware :

SWD programmer (SWDIO,SWCLK,VDD,GND) nRF52832 -QFAA-QFN48 Size : 24.8mm*15mm BLE stack & RF 2.4Ghz Features :

Single chip, highly flexible, 2.4 GHz multi-protocol SoC 32-bit ARM Cortex-M4F Processor 1.7v to 3.6v operation 512kB flash + 64kB RAM Supports concurrent Bluetooth low energy/ANT protocol operation Up to +4dBm output power

-96dBm sensitivity, Bluetooth low energy Thread safe and run-time protected Event driven API On air compatible with nRF24L and nRF24AP series 2 data rates (2Mbps/1Mbps) PPI - maximum flexibility for power-efficient applications and code simplification 3 Shenzhen Holyiot Technology Co.,Ltd www.holyiot.com info@holyiot.com Automated power management system with automatic power management of each peripheral Configurable I/O mapping for analog and digital I/O 3 x Master/Slave SPI 2 x Two-wire interface (IC) UART (RTS/CTS) 3 x PWM AES HW encryption Real Time Counter (RTC) Digital microphone interface (PDM) On-chip balun Application:

Internet of Things (IoT) SmartHome sensors Computer peripherals A4WP Rezence wireless charging Sports and fitness sensors and hubs Smart watches Interactive games Wearables Connected white goods Voice-command smart remotes Beacons Connected health products RC Toys Building automation and sensor networks 4 Shenzhen Holyiot Technology Co.,Ltd www.holyiot.com info@holyiot.com 2. Introduction 2.1 Programmer HOLYIOT-21033 module use the Serial Wire Debug(SWD port ), the module which layout the SWDIO, SWCLK, VDD, GND for debug and flash your own firmware, more info about the SWD, please visit https://www.silabs.com/community/mcu/32-bit/knowledge-

base.entry.html/2014/10/21/serial_wire_debugs-qKCT You can using the Jlink or Jtag for programmer. 2.2 Software development Tool It supports the standard Nordic Software Development Tool-chain using Segger Embedded Studio, Keil, IAR and GCC. More info please visit https://www.nordicsemi.com/Software-and-

Tools/Development-Tools 2.3 Protocols This module support Bluetooth 5, Bluetooth Low Energy,Bluetooth mesh,Thread,802.15.4,ANT, 2.4GHz proprietary. So we can use different protocols for different situations. Software Development Kit Nordic Semiconductor's Software Development Kits (SDK) are your starting point for software development on the nRF51 and nRF52 Series. It contains source code libraries and example applications covering wireless functions, libraries for all peripherals, bootloaders, wired and OTA FW upgrades, RTOS examples, serialization libraries. More info please visit https://www.nordicsemi.com/Software-and-Tools/Software/nRF5-SDK You can also download the SDK for coding development . 2.4 SoftDevices Nordic Semiconductor protocol stacks are known as SoftDevices. SoftDevices are pre-

compiled, pre-linked binary files. SoftDevices can be programmed in nRF5 series devices, and are freely downloadable from the Nordic website. Please download that here:

https://www.nordicsemi.com/Software-and-Tools/Software/S132 5 Over-The-Air DFU Shenzhen Holyiot Technology Co.,Ltd www.holyiot.com info@holyiot.com The SoC is supported by an Over-The-Air Device Firmware Upgrade (OTA DFU) feature. This allows for in the field updates of application software and SoftDevice. 3. Product Descriptions 3.1 Mechanical drawings 3.2 Pin assignments 6 Shenzhen Holyiot Technology Co.,Ltd www.holyiot.com info@holyiot.com PIN No. PIN define 1 2 3 4 5 6 7 8 9 GND VCC P0.21

(Reset) P0.22 P0.23 P0.24 P0.25 P0.28

(ANI4) P0.29 7 Functions Ground power Digital I/O(general purpose I/O2 Configure as the Pins reset ) Digital I/O Digital I/O Digital I/O Digital I/O Digital I/O(general purpose I/O2 Analog input

(SAADC,COMP,LPCOMP) Digital I/O(general purpose I/O2 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 Shenzhen Holyiot Technology Co.,Ltd www.holyiot.com info@holyiot.com

(ANI5) P0.30

(ANI6 P0.26 P0.27 P0.02

(ANI0 P0.03

(ANI1) P0.04

(ANI2) Analog input

(SAADC,COMP,LPCOMP) Digital I/O(general purpose I/O2 Analog input

(SAADC,COMP,LPCOMP) Digital I/O Digital I/O Digital I/O(general purpose I/O2 Analog input

(SAADC,COMP,LPCOMP) Digital I/O(general purpose I/O2 Analog input

(SAADC,COMP,LPCOMP) Digital I/O(general purpose I/O2 Analog input

(SAADC,COMP,LPCOMP) P0.05 Digital I/O(general purpose I/O2

(ANI3) P0.06 P0.07 P0.08 P0.09 NFC1 P0.10 NFC2 P0.11 P0.12 P0.13 P0.14 TRACEDATA[3]

P0.15 TRACEDATA[2]

P0.16 TRACEDATA[1]

SWDIO SWCLK 8 Analog input

(SAADC,COMP,LPCOMP) Digital I/O(general purpose I/O) Digital I/O(general purpose I/O) Digital I/O(general purpose I/O) Digital I/O(general purpose I/O1 NFC1 input(antenna connection) Digital I/O(general purpose I/O1 NFC2 input(antenna connection) Digital I/O(general purpose I/O ) Digital I/O(general purpose I/O ) Digital I/O(general purpose I/O ) Digital I/O(general purpose I/O Trace port output) Digital I/O(general purpose I/O Trace port output ) Digital I/O(general purpose I/O Trace port output ) Digital input(serial wire debug) Digital I/O2(serial wire debug) 30 31 32 33 Shenzhen Holyiot Technology Co.,Ltd www.holyiot.com info@holyiot.com P0.17 P0.18 Digital I/O(general purpose I/O ) Digital I/O(general purpose I/O TRACEDATA[0] / SWO Single wire output, Trace port output) P0.19 P0.20 Traceclk Digital I/O(general purpose I/O) Digital I/O(general purpose I/O Trace port clock output ) 4. Mounting our board on the host PCBA We suggest that you mount our RF board(HOLYIOT-21033 -nRF52832) on the board like that:

1. For the best Bluetooth performance, the antenna of the area need to extend about several mm without ground under the antenna of the edge of the host PCB. 2. The second choice is that place our board at the corner of host PCB, the antenna of board need to extend several mm outside of the Ground plane of the host PCB. 9 FCC Statement This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this de vice may not cause harmful interference, and (2) this device must accept any interference received, including i nterference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the users au thority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant t o part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interferenc e in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not in stalled and used in accordance with the instructions, may cause harmful interference to radio communications. H owever, there is no guarantee that interference will not occur in a particular installation. If this equipment does ca use 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 important announcement Radiation Exposure Statement The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. Important Note:

In the event that these conditions cannot be met (for example certain laptop configurations or co-location with another transmitter), then the FCC authorization is no longer considered valid and the FCC ID cannot be used on the final product. In these circumstances, the OEM integrator will be responsible for re-evaluating the end product (including the transmitter) and obtaining a separate FCC authorization. End Product Labeling The final end product must be labeled in a visible area with the following" Contains FCC ID: 2ALGY-21032". Manual Information to the End User The OEM integrator has to be aware not to provide information to the end user regarding how to install or remove this RF module in the users manual of the end product which integrates this module. The end user manual shall include all required regulatory information/warning as show in this manual. 10 Integration instructions for host product manufacturers according to KDB 996369 D03 OEM Manual v01 2.2 List of applicable FCC rules CFR 47 FCC PART 15 SUBPART C has been investigated. It is applicable to the modular transmitter. 2.3 Specific operational use conditions This module is stand-alone modular. If the end product will involve the Multiple simultaneously transmitting condition or different operational conditions for a stand-alone modular transmitter in a host, host manufacturer have to consult with module manufacturer for the installation method in end system. 2.4 Limited module procedures Not applicable 2.5 Trace antenna designs Not applicable 2.6 RF exposure considerations The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. 2.7 Antennas This radio transmitter 2ALGY-21032 has been approved by Federal Communications Commission 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. Model Type Peak Gain(dBi) 2400-2500MHz PCB antenna 0 dBi 2.8 Label and compliance information The final end product must be labeled in a visible area with the following "Contains FCC ID: 2ALGY-21032". 2.9 Information on test modes and additional testing requirements Host manufacturer which install this modular with limit modular approval should perform the test of radiated emission and spurious emission according to FCC part 15C:15.247 and 15.209 requirement, only if the test result comply with FCC part 15.247 and 15.209 requirement, then the host can be sold legally. 2.10 Additional testing, Part 15 Subpart B disclaimer Host manufacturer is responsible for compliance of the host system with module installed with all other applicable requirements for the system such as Part 15 B. 11

CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Date: Oct. 31, 2021 TO WHOM IT MAY CONCERN Pursuant to Paragraphs 0.457 and 0.459 of the Commissions Rules (47 C.F.R.) and Section 552(b)(4) of the Freedom of Information Act, we requests confidentiality for the following products:

FCC ID 2ALGY-21032 Model name HOLYIOT-21033-nRF52832 For the product stated above, we request that the following information be held confidential;

Exhibits Long-Term Confidentiality Short-Term Confidentiality Short-Term Confidentiality Days External Photos Internal Photos Block Diagram Schematics Test Setup Photos Users Manual Parts List Tune Up Operational Descriptions The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. The short-term confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device. If you have any questions, please feel free to contact me at the address shown below. Sincerely, wang shangshu Name:

Company: Shenzhen holyiot technology Co.,LTD Address: Rm.308, 310, Bldg 9. Wangtang industrial Park xinwei Vil., xili Town. Phone:

Fax:

E-Mail:

Nanshan Dist., Shenzhen, China

+86- 0755-86165842

+86- 0755-86165842 460425175@qq.com

Shenzhen holyiot technology Co.,LTD Rm.308, 310, Bldg 9. Wangtang industrial Park xinwei Vil., xili Town. Nanshan Dist., Shenzhen, China Tel: +86- 0755-86165842 Fax: +86- 0755-86165842 Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 11/1/2021 To whom it may concern:

We, the undersigned, hereby authorize Eurofins Product Service GmbH to act on our behalf in all matters relating to applications for equipment authorization FCC ID: 2ALGY-21032 including the signing of all documents related to these matters. Any and all acts carried out by Eurofins Product Service GmbH on our behalf shall have the same effect as acts of our own. We also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Sincerely, wang shangshu Name:

Company: Shenzhen holyiot technology Co.,LTD Address: Rm.308, 310, Bldg 9. Wangtang industrial Park xinwei Vil., xili Town. Phone:

Fax:

E-Mail:

Nanshan Dist., Shenzhen, China

+86- 0755-86165842

+86- 0755-86165842 460425175@qq.com

Shenzhen holyiot technology Co.,LTD Rm.308, 310, Bldg 9. Wangtang industrial Park xinwei Vil., xili Town. Nanshan Dist., Shenzhen, China Tel: +86- 0755-86165842 Fax: +86- 0755-86165842 Modular Approval Letter Date: Oct. 31, 2021 To:

Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD Subjects: Modular Approval Letter The Device,FCC ID: 2ALGY-21032, is seeking FCC authorization as a modular transmitter. The EUT meets the requirement for modular approval as detailed in FCC Public Notice DA 00-1407. Compliance to each of the requirement is described below:

(a) The radio elements must have the radio frequency circuitry be shielded. Physical/discrete and tuning capacitors may be located external to the shield, but must be on the module assembly. Yes, All produced modulars will have integrated RF shielding.

(b) The module shall have buffered modulation/data input(s) (if such inputs are provided) to ensure that the module will comply with the requirements set out in the applicable RSS standard under conditions of excessive data rates or over-modulation. Yes.

(c) The module shall have its own power supply regulation on the module. This is to ensure that the module will comply with the requirements set out in the applicable standard regardless of the design of the power supplying circuitry in the host device which houses the module. The modular has an onboard 3.3V regulator(integrated in nRF52832).

(d) The module shall comply with the provisions for external power amplifiers and antennas detailed in this standard. The equipment certification submission shall contain a detailed description of the configuration of all antennas that will be used with the module. The modular has external antennas which comply with the antenna requirement of Section 15.203.

(e) The module shall be tested for compliance with the applicable standard in a stand-alone configuration, i.e. the module must not be inside another device during testing. The modular was tested in a standalone configuration apart from host units.

(f) The module shall comply with the Category I equipment labeling requirements and CFR 15.212(a)(1)(vi). Shenzhen holyiot technology Co.,LTD Rm.308, 310, Bldg 9. Wangtang industrial Park xinwei Vil., xili Town. Nanshan Dist., Shenzhen, China Tel: +86- 0755-86165842 Fax: +86- 0755-86165842 The modular has its own FCC ID number.

(g) The module shall comply with any applicable FCC RF exposure requirement which are based on the intended use/configurations. Yes, This module has been evaluated to meet general RF exposure requirement. The equipment can be used in portable exposure condition without restriction.

(h) The modular transmitter complies with all applicable FCC rules. Instructions for maintaining compliance are given in the user instructions. Yes If you have any questions, please feel free to contact us at the address shown below Sincerely, wang shangshu Name:

Company: Shenzhen holyiot technology Co.,LTD Address: Rm.308, 310, Bldg 9. Wangtang industrial Park xinwei Vil., xili Town. Phone:

Fax:

E-Mail:

Nanshan Dist., Shenzhen, China

+86- 0755-86165842

+86- 0755-86165842 460425175@qq.com