2AZBU-SM50BUBaby Monitor

5"HD Video Baby Monitor + - 1 3 2 4 VOX Low Mid High VOXVOX VOXVOX VOX Night vision setting Réglage de la vision nocturne Nachtsichteinstellung impostazione della visione notturna 暗視設定 Ajuste de visión nocturna ALERT ALERT ALERT ALERT FCC Warning Statement Changes or modif ications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class B d igital 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.

< Shenzhen Mingc huangzhilian Techno logy Co., Ltd > Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD21046 Date: Jun. 03, 2021 Subject; Request for Long Term Confidentiality FCC ID: 2AZBU-SM50BU To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Samb Shuai Title: Manager

Shenzhen Mingchuangzhilian Technology Co., Ltd Letter of Authorization Company: Shenzhen Mingchuangzhilian Technology Co., Ltd Address: 4/F, B Block, No.3, East Region, Shangxue Science Park, Bantian St, Longgang Dist, Shenzhen, China Product name: Baby Monitor Trade name: N/A Model name: SM50BU,BBM01,SM50,SM51,SM50TX,SM51BU,SM51TX FCC Identifier: 2AZBU-SM50BU We authorize MiCOM LabsInc, 575 Boulder Court, Pleasanton, California94566, USA, to act on our behalf on all matters concerning the above named equipment. Any individual within MiCOM Labs is authorized to act on our behalf and take action on the application. We declare that MiCOM LabsInc, 575 Boulder Court, Pleasanton, California 94566, USA, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Name: Samb Shuai Date: Jun. 03, 2021 Title: Manager Signature of applicant:

Model Difference Declaration To Whom It May Concern, We, Shenzhen Mingchuangzhilian Technology Co., Ltd Product: Baby Monitor Trademark: N/A Model Number: SM50BU,BBM01,SM50,SM51,SM50TX,SM51BU,SM51TX All model’s the function, software and electric circuit are the same, only with a product color and model named different. Test sample model: SM50BU. Please contact me if you have any question. Name: Samb Shuai Date: Jun. 03, 2021 Title: Manager Signature of applicant:

Model: SM50BU Model: SM50BU Model: SM50BU Model: SM50BU

FCC ID LABEL: Label Location: FCC ID: 2 AZBU-SM50BU Product Na me: Bab y Monitor Model Na me: SM50BU This device complies with Part 15 of the FCC Rules. Operation is subject to the follo wing two conditions: (1)This device may not cause har mful interference, and (2)This device must accept any interference received, including interference that may cau se undesired operation. Long: 3cm Width: 2cm

Model: SM50BU Model: SM50BU Model: SM50BU Model: SM50BU Model: SM50BU External Antenna

Page 1 of 30 Report No.: UNIA21042808ER-01 FCC RADIO TEST REPORT FCC ID: 2AZBU-SM50BU Product Name： Baby Monitor Trade Mark： N/A Main Model： SM50BU Additional Model： BBM01,SM50,SM51,SM50TX,SM51BU, SM51TX Report No.： UNIA21042808ER-01 Prepared for Shenzhen Mingchuangzhilian Technology Co., Ltd 4/F, B Block, No.3, East Region, Shangxue Science Park, Bantian St, Longgang Dist, Shenzhen, China Prepared by Shenzhen United Testing Technology Co., Ltd. 2F, Annex Bldg, Jiahuangyuan Tech Park, #365 Baotian 1 Rd, Tiegang Community, Xixiang Str, Bao'an District, Shenzhen, China Page 2 of 30 Report No.: UNIA21042808ER-01 TEST RESULT CERTIFICATION Applicant .............................. : Shenzhen Mingchuangzhilian Technology Co., Ltd Address ................................. : 4/F, B Block, No.3, East Region, Shangxue Science Park, Bantian St, Longgang Dist, Shenzhen, China Manufacturer ........................ : Shenzhen Mingchuangzhilian Technology Co., Ltd Address ................................. : 4/F, B Block, No.3, East Region, Shangxue Science Park, Bantian St, Longgang Dist, Shenzhen, China Product description Product Name .............................. : Baby Monitor Trade Mark ............................ : N/A Model Name .......................... : SM50BU,BBM01,SM50,SM51,SM50TX,SM51BU,SM51TX Test Methods ........................ : FCC Rules and Regulations Part 15 Subpart C Section 15.249, ANSI C63.10: 2013 This device described above has been tested by Shenzhen United Testing Technology Co., Ltd., and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. This report shall not be reproduced except in full, without the written approval of UNI, this document may be altered or revised by Shenzhen United Testing Technology Co., Ltd., personnel only, and shall be noted in the revision of the document. Date of Test ..........................................: Date (s) of performance of tests .............: Apr. 28, 2021 ~ May 25, 2021 Date of Issue ........................................: Jun. 01, 2021 Test Result ............................................: Pass Prepared by: Bob liao/Editor Reviewer: Kahn yang/Supervisor Approved & Authorized Signer: Liuze/Manager Page 3 of 30 Report No.: UNIA21042808ER-01 Table of Contents Page 1 TEST SUMMARY 4 2 GENERAL INFORMATION 6 2.1 GENERAL DESCRIPTION OF EUT 6 2.2 CARRIER FREQUENCY OF CHANNELS 7 2.3 TEST MODE 7 2.4 TEST SETUP 7 2.5 DESCRIPTION TEST PERIPHERAL AND EUT PERIPHERAL 8 2.6 MEASUREMENT INSTRUMENTS LIST 9 3 CONDUCTED EMISSION 10 3.1 TEST LIMIT 10 3.2 TEST SETUP 10 3.3 TEST PROCEDURE 11 3.4 TEST RESULT 11 4 RADIATED EMISSION 14 4.1 TEST LIMIT 14 4.2 TEST SETUP 15 4.3 TEST PROCEDURE 16 4.4 TEST RESULT 16 5 BAND EDGE 23 5.1 TEST LIMIT 23 5.2 TEST PROCEDURE 23 5.3 TEST RESULT 23 6 20dB BANDWIDTH 26 6.1 TEST SETUP 26 6.2 TEST PROCEDURE 26 6.4 TEST RESULT 26 7 ANTENNA REQUIREMENT 28 8 PHOTO OF TEST 29 8.1 RADIATED EMISSION 29 8.2 CONDUCTED EMISSION 30 Page 4 of 30 Report No.: UNIA21042808ER-01 1 TEST SUMMARY 1.1 TEST PROCEDURES AND RESULTS ITEM STANGARD RESULT CONDUCTED EMISSION FCC Part 15.207 COMPLIANT RADIATED EMISSION FCC Part 15.209/15.249 COMPLIANT BAND EDGE FCC Part 15.249/15.205 COMPLIANT 20dB BANDWIDTH FCC Part 15.215 COMPLIANT ANTENNA REQUIREMENT FCC Part 15.203 COMPLIANT 1.2 TEST FACILITY Test Firm : Shenzhen United Testing Technology Co., Ltd. Address : 2F, Annex Bldg, Jiahuangyuan Tech Park, #365 Baotian 1 Rd, Tiegang Community, Xixiang Str, Bao'an District, Shenzhen, China The testing quality ability of our laboratory meet with "Quality Law of People's Republic of China" Clause 19.The testing quality system of our laboratory meets with ISO/IEC-17025 requirements. This approval result is accepted by MRA of APLAC. Our test facility is recognized, certified, or accredited by the following organizations: A2LA Certificate Number: 4747.01 The EMC Laboratory has been accredited by A2LA, and in compliance with ISO/IEC 17025:2017 General Requirements for testing Laboratories. FCC Registration Number: 674885 The EMC Laboratory has been registered and fully described in a report filed with the (FCC) Federal Communications commission. IC Registration Number: 21947 The EMC Laboratory has been registered and fully described in a report filed with the (IC) Industry Canada. Page 5 of 30 Report No.: UNIA21042808ER-01 1.3 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95 %. A. Conducted Measurement: Test Site Method Measurement Frequency Range U, (dB) NOTE UNI ANSI 9kHz ~ 150kHz 2.96 150kHz ~ 30MHz 2.44 B. Radiated Measurement: Test Site Method Measurement Frequency Range U, (dB) NOTE UNI ANSI 9kHz ~ 30MHz 2.50 30MHz ~ 1000MHz 4.80 1000MHz ~ 6000MHz 4.13 Page 6 of 30 Report No.: UNIA21042808ER-01 2 GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF EUT Product Name: Baby Monitor Trade Mark: N/A Main Model: SM50BU Additional Model: BBM01,SM50,SM51,SM50TX,SM51BU,SM51TX Model Difference: All model’s the function, software and electric circuit are the same, only with a product color and model named different. Test sample model: SM50BU. FCC ID: 2AZBU-SM50BU Operation Frequency: 2410MHz~2477MHz Number of Channels: 20CH Modulation Type: GFSK Antenna Type: External Antenna Antenna Gai n: 2dBi Battery: N/A Adapter: N/A Power Source: DC 5.0V from adapter with AC 120(240)V/60Hz Page 7 of 30 Report No.: UNIA21042808ER-01 2.2 CARRIER FREQUENCY OF CHANNELS Channel List Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) 01 2410 06 2427.5 11 2445 16 2462.5 02 2413.5 07 2431 12 2448.5 17 2466 03 2417 08 2434.5 13 2452 18 2469.5 04 2420.5 09 2438 14 2455.5 19 2473 05 2424 10 2441.5 15 2459 20 2477 2.3 TEST MODE The EUT was programmed …

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Model: SM50BU Radiated Emission test Model: SM50BU Conducted Emission test