YZHMDLNRF24L0101Module

MDL NRF 24L01+ 01 Module Instructions Table of Contents Introduction .................................................................................................................................................. 1 List of Applicable FCC Rules .......................................................................................................................... 1 Allowable Antennas to Use with the SiP Module ......................................................................................... 3 Required Labeling on the Module ................................................................................................................ 3 FCC End Product Labeling ......................................................................................................................... 3 IC End Product Labeling ............................................................................................................................ 3 Required Labeling on the Module ................................................................................................................ 3 FCC/IC Labeling on the Module ................................................................................................................ 3 Required Regulatory Wording for User Guide .............................................................................................. 3 FCC Compliance Information .................................................................................................................... 3 Module Statement .................................................................................................................................... 4 Module Integration Instructions ................................................................................................................... 4 Document History ......................................................................................................................................... 7 Introduction The MDL NRF24L01+ 01 Transceiver Module (the module) is a System in Package (SiP) module used to transmit and receive in the 2.4GHz band. The module has Nordic Semiconductor nRF24L01+ Single Chip 2.4GHz Transceiver on-board to perform RF send and receive functions on the front end with a SPI interface and input/output buffers to communicate with a microprocessor. List of Applicable FCC Rules This module must comply with all guidelines specified for Single Modular Transmitters as defined by FCC 47 CFR § 15.212(a) (1): (a) Single modular transmitters consist of a completely self-contained radiofrequency transmitter device that is typically incorporated into another product, host or device. Split modular transmitters consist of two components: a radio front end with antenna (or radio devices) and a transmitter control element (or specific hardware on which the software that controls the radio operation resides). All single or split modular transmitters are approved with an antenna. All of the following requirements apply, except as provided in paragraph (b) of this section. (1) Single modular transmitters must meet the following requirements to obtain a modular transmitter approval. (i) 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. (ii) 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. (iii) The modular transmitter must have its own power supply regulation. (iv) 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 (at all connections between the module and the antenna, including the cable). The “professional installation” provision of § 15.203 is not applicable to modules but can apply to limited modular approvals under paragraph (b) of this section. (v) The modular transmitter must be tested in a stand-alone configuration, i.e., the module must not be inside another device during testing for compliance with part 15 requirements. Unless the transmitter module will be battery powered, it must comply with the AC line conducted requirements found in § 15.207. AC or DC power lines and data input/output lines connected to the module must not contain ferrites, unless they will be marketed with the module (see § 15.27(a)). The length of these lines shall be the length typical of actual use or, if that length is unknown, at least 10 centimeters to insure that there is no coupling between the case of the module and supporting equipment. Any accessories, peripherals, or support equipment connected to the module during testing shall be unmodified and commercially available (see § 15.31(i)). (vi) The modular transmitter must be equipped with either a permanently affixed label or must be capable of electronically displaying its FCC identification number. (A) If using a permanently affixed label, the modular transmitter must be labeled with its own FCC identification number, and, if the FCC identification number is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wording such as the following: “Contains Transmitter Module FCC ID: XYZMODEL1” or “Contains FCC ID: XYZMODEL1.” Any similar wording that expresses the same meaning may be used. The Grantee may either provide such a label, an example of which must be included in the application for equipment authorization, or, must provide adequate instructions along with the module which explain this requirement. In the latter case, a copy of these instructions must be includ…

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RE FCC ID: YZHMDLNRF24L0101 To the certification reviewer: We are hereby applying for full modular approval of the above-referenced FCC ID, based on compliance with all of the criteria as detailed below. Sincerely, Jing Gong Part 15 Unlicensed Single Modular Transmitter Approval Justification per 15.212 Requirement per 15.212 reference (i) The radio elements of the modular transmitter must have their own RF shielding. Shielding is provided by a metal cover over the circuitry. (ii) The modular transmitter must have buffered modulation/data inputs (if such inputs are provided. All modulation and data inputs are buffered by circuitry on the transmitter chip. (iii) The modular transmitter must have its own power supply regulation. Power supply regulation is provided by circuitry on the transmitter chip. (iv) The modular transmitter must comply with the antenna and transmission system requirements of §§ 15.203, 15.204(b) and 15.204(c). The antenna is permanently attached. (v) 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 parameters. Testing was performed with the module extended outside of the host on a special extender board, as shown in the test setup photos. / Testing was performed in a stand-alone configuration as shown in the test setup photos. (vi) The modular transmitter must be equipped with either a permanently affixed label or must be capable of electronically displaying its FCC identification number. If the FCC ID is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. A sample of the host label is provided as an exhibit, showing the FCC identifier of the module. (vii) 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 module complies fully with the operating requirements of Part 15 section [...] as demonstrated in the test report exhibit. (viii) The modular transmitter must comply with any applicable RF exposure requirements in its final configuration. This module operates under Part 15 section [15.249], which s exempt from RF exposure evaluation owing to the very low operating power:

External Photos WHOLE VIEW OF EUT TOP VIEW OF EUT BOTTOM VIEW OF EUT FRONT VIEW OF EUT BACK VIEW OF EUT LEFT VIEW OF EUT RIGHT VIEW OF EUT

FCC ID Label Location FCC ID:YZHMDLNRF24L0101

Internal Photos OPEN VIEW OF EUT-1 Antenna OPEN VIEW OF EUT-2

Declaration concerning Antenna Specification It is hereby declared that the product Model No.: MDL NRF24L01+ 01 FCC ID: YZHMDLNRF24L0101 fulfills the requirement in FCC test relating to the antenna type. The device specified above confirms to the FCC recommendations for internal antenna type(s) described below: Type of antenna: PCB Antenna Gain of the antenna: 1.6 dBi Frequency range: 2.401 GHz to 2.480GHz The mounting of the antenna is fixed to the radio module and no other antenna should be used. Company name: Raffel Systems, LLC Address: N112W14600 Mequon Rd, Germantown, WI 53022 USA Place: Germantown Date: 2020-05-13 Signature:

RF EXPOSURE EVALUATION 1. PRODUCT INFORMATION Product Description Module Model Name MDL NRF24L01+ 01 FCC ID YZHMDLNRF24L0101 2. EVALUATION METHOD According to 447498 D01 General RF Exposure Guidance v05 The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] ·[√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR. Where f(GHz) is the RF channel transmit frequency in GHz Power and distance are rounded to the nearest mW and mm before calculation 3. CALCULATION According to the follow transmitter output power（P t ）formula： P t =（E x d） 2 /（30 x g t ） P t =transmitter output power in watts g t =numeric gain of the transmitting antenna (unitess) E=electric field strength in V/m d=measurement distance in meters (m) 2401MHz: P t =0.0014mW The result for RF exposure evaluation SAR=(0.0014mW /5mm) .[√2.401(GHz)]= 0.0004<3.0 for 1-g SAR 4. CONCLUSION The SAR evaluation is not required.

Page 1 of 39 FCC Test Report Report No.: AGC01628200407FE03 FCC ID : YZHMDLNRF24L0101 APPLICATION PURPOSE : Original Equipment PRODUCT DESIGNATION : Module BRAND NAME : N/A MODEL NAME : MDL NRF24L01+ 01 APPLICANT : Raffel Systems, LLC DATE OF ISSUE : May 09, 2020 STANDARD(S) TEST PROCEDURE(S) : FCC Part 15 Rules REPORT VERSION : V1.0 Attestation of Global Compliance (Shenzhen) Co., Ltd CAUTION: This report shall not be reproduced except in full without the written permission of the test laboratory and shall not be quoted out of context. Report No.: AGC01628200407FE03 Page 2 of 39 REPORT REVISE RECORD Report Version Revise Time Issued Date Valid Version Notes V1.0 / May 09, 2020 Valid Initial Release Report No.: AGC01628200407FE03 Page 3 of 39 TABLE OF CONTENTS 1. VERIFICATION OF CONFORMITY .......................................................................................................................... 5 2. GENERAL INFORMATION ....................................................................................................................................... 6 2.1. PRODUCT DESCRIPTION ................................................................................................................................ 6 2.2. TABLE OF CARRIER FREQUENCY .................................................................................................................. 6 3. MEASUREMENT UNCERTAINTY ............................................................................................................................ 7 4. DESCRIPTION OF TEST MODES ............................................................................................................................ 8 5. SYSTEM TEST CONFIGURATION........................................................................................................................... 9 5.1. CONFIGURATION OF EUT SYSTEM ................................................................................................................ 9 5.2 EQUIPMENT USED IN TESTED SYSTEM ......................................................................................................... 9 5.3. SUMMARY OF TEST RESULTS ........................................................................................................................ 9 6. TEST FACILITY ....................................................................................................................................................... 10 7. RADIATED EMISSION ............................................................................................................................................ 11 7.1TEST LIMIT ........................................................................................................................................................ 11 7.2. MEASUREMENT PROCEDURE ...................................................................................................................... 12 7.3. TEST SETUP .................................................................................................................................................... 14 7.4. TEST RESULT .................................................................................................................................................. 15 8. BAND EDGE EMISSION ......................................................................................................................................... 21 8.1TEST LIMIT ........................................................................................................................................................ 21 8.2. MEASUREMENT PROCEDURE ...................................................................................................................... 21 8.3 TEST SETUP ..................................................................................................................................................... 21 8.4 TEST RESULT ................................................................................................................................................... 21 9. 20DB BANDWIDTH ................................................................................................................................................ 26 9.1. MEASUREMENT PROCEDURE ...................................................................................................................... 26 9.2. TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) ............................................................................. 26 9.3. MEASUREMENT RESULTS ............................................................................................................................ 27 10. FCC LINE CONDUCTED EMISSION TEST ......................................................................................................... 29 10.1. LIMITS OF LINE CONDUCTED EMISSION TEST ......................................................................................... 29 10.2. BLOCK DIAGRAM OF LINE CONDUCTED EMISSION TEST ....................................................................... 29 Report No.: AGC01628200407FE03 Page 4 of 39 10.3. PRELIMINARY PROCEDURE OF LINE CONDUCTED EMISSION TEST .................................................... 30 10.4. FINAL PROCEDURE OF LINE CONDUCTED EMISSION TEST .................................................................. 30 10.5. TEST RESULT OF LINE CONDUCTED EMISSION TEST ............................................................................ 31 APPENDIX A: PHOTOGRAPHS OF TEST SETUP ................................................................................................... 33 APPENDIX B: PHOTOGRAPHS OF THE EUT .......................................................................................................... 35 Report No.: AGC01628200407FE03 Page 5 of 39 1. VERIFICATION OF CONFORMITY Applicant Raffel Systems, LLC Address N112W14600 Mequon Rd, Germantown, WI 53022 USA Manufacturer Xiamen Wel…

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Test Setup Photos FCC RADIATED EMISSION TEST SETUP BELOW 1GHZ FCC RADIATED EMISSION TEST SETUP ABOVE 1GHZ CONDUCTED EMISSION TEST SETUP