2AKVZ-530RBaby Monitor

(Shenzhen Mingchuangzhilian Technology Co.,Ltd) (July 18, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID: 2AKVZ-530R) [Shenzhen Mingchuangzhilian Technology Co.,Ltd] (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, (Applicant signature) (Applicant printed name) Samb shuai (Shenzhen Mingchuangzhilian Technology Co.,Ltd) (July 18, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (FCC ID: 2AKVZ-530R) [Shenzhen Mingchuangzhilian Technology Co.,Ltd] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, (Applicant signature) (Applicant printed name) Samb shuai

Shenzhen Mingchuangzhilian Technology Co.,Ltd Model Difference Data：July 18, 2024 Product description: Baby Monitor Model name: SM530, SM530RX, SM530A, SM530V2, SM530B, SM530BV2, SM530C, SM530CV2, SM530D, SM530F, SM530FV2, SM530E, SM530EV2, SM520, SM520TX, SM520RX, SM520V2 Trade Name: N/A FCC ID: 2AKVZ-530R All the model are the same circuit and RF module, only different for model name. Regards Sincerely Client’s signature : Client’s name / title : Samb shuai（Engineer） Contact information / address：4/F, B Block, No.3, East Region, Shangxue Science Park, Bantian St, Longgang Dist, Shenzhen, China

Shenzhen Mingchuangzhilian Technology Co.,Ltd (July 18, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (Baby Monitor / SM530, SM530RX, SM530A, SM530V2, SM530B, SM530BV2, SM530C, SM530CV2, SM530D, SM530F, SM530FV2, SM530E, SM530EV2, SM520, SM520TX, SM520RX, SM520V2 / FCC ID: 2AKVZ-530R) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☒ Internal Photos ☐ NOTE 1 ☒ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No required to be submitted with this application be permanently withheld from public review. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. Please contact me if there is any information you may need. Sincerely, Signature: Name: Samb shuai Title: Engineer

Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 4 Model: SM530 External Photos Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 4 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 3 of 4 ANT Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 4 of 4

FCC ID LABEL: Label Location:

Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 38 TEST REPORT Compiled by: Reviewed by: Approved by: Zhang Mao cheng Martin Feng Rita Xiao / Director Note: If there is any objection to the inspection results in this report, please submit a written report to the company within 15 days from the date of receiving the report. The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen CTB Testing Technology Co., Ltd. this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. “*” indicates the testing items were fulfilled by subcontracted lab. “#” indicates the items are not in CNAS accreditation scope. Product Name: Baby Monitor FCC ID: 2AKVZ-530R Trademark: N/A Model Number: SM530, SM530RX, SM530A, SM530V2, SM530B, SM530BV2, SM530C, SM530CV2, SM530D, SM530F, SM530FV2, SM530E, SM530EV2, SM520, SM520TX, SM520RX, SM520V2 Prepared For: 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 Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: 1&2/F., Building A, No.26, Xinhe Road, Xinqiao, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: Apr. 24, 2024 Sample tested Date: Apr. 24, 2024 to May. 22, 2024 Issue Date: May. 22, 2024 Report No.: CTB240506045RHX Test Standards FCC 47 CFR Part2(2.1093), FCC 47 CFR Part1(1.1310) FCC 47 CFR Part1(1.1307), ANSI/IEEE C95.1-2019 IEEE 1528-2013 & Published RF Exposure KDB Procedures Test Results PASS Remark: This is SAR test report. Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB240506045RHX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 38 Contents Page 1 COVER PAGE ........................................................................................................................................... 1 CONTENTS ...................................................................................................................................................................... 2 1. VERSION ................................................................................................................................................................ 4 2. PRODUCT INFORMATION AND TEST SETUP.............................................................................................. 5 2.1 PRODUCT INFORMATION .................................................................................................................................. 5 3 EQUIPMENT USED DURING TEST .................................................................................................................. 6 3.1 EQUIPMENT LIST .............................................................................................................................................. 6 3.2 TEST EQUIPMENT CALIBRATION ...................................................................................................................... 7 4 SAR INTRODUCTION.......................................................................................................................................... 8 4.1 INTRODUCTION ................................................................................................................................................ 8 4.2 SAR DEFINITION .............................................................................................................................................. 8 5 SAR MEASUREMENT SETUP ............................................................................................................................ 9 5.1 SAR MEASUREMENT SETUP ..................................................................................................................... 9 5.2 DASY5 E-FIELD PROBE SYSTEM ................................................................................................................... 10 5.3 PROBE SPECIFICATION ................................................................................................................................... 10 5.4 ISOTROPIC E-FIELD PROBE ............................................................................................................................. 10 5.5 PHANTOMS ..................................................................................................................................................... 11 5.6 DEVICE HOLDER ............................................................................................................................................ 11 6 SAR TEST PROCEDURE ................................................................................................................................... 13 6.1 SCANNING PROCEDURE .................................................................................................................................. 13 6.2 EXTRAPOLATION ............................................................................................................................................ 16 6.3 TEST POSITION – BODY CONFIGURATIONS ..................................................................................................... 16 7 EXPOSURE LIMIT ............................................................................................................................................. 17 7.1 UNCONTROLLED ENVIRONMENT .................................................................................................................... 17 7.2 CONTROLLED ENVIRONMENT ........................................................................................................................ 17 8 SYSTEM AND LIQUID VALIDATIO…

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SHENZHENＷＹＬCOMMUNICATIONSEQUIPMENT.CO.,LTD AntennaInformation Manufacturer SHENZHENＷＹＬCOMMUNICATIONS EQUIPMENT.CO.,LTD AntennaType2.4Gbuilt-inmetalantenna AntennaModelST50BTX-24L-ANT-V01 AntennaPartNumberJ7 AntennaFrequencyRange 2400-2483(MHZ) AntennaInputPowerLimitation 1W AntennaPeakGain2.2(dBi) AntennaDimension(LxHxW)155*11*11(mm) AntennaPhoto AntennaTopView[WithRuler] AntennaBottomView[WithRuler] CompanyLetterHead AntennaPattern/GainMeasurementdata/Table:

TEST REPORT Compiled by: Reviewed by: Approved by: Zhou Kui Arron Liu Bin Mei / Director Note: If there is any objection to the inspection results in this report, please submit a written report to the company within 15 days from the date of receiving the report. The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen CTB Testing Technology Co., Ltd. this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. “*” indicates the testing items were fulfilled by subcontracted lab. “#” indicates the items are not in CNAS accreditation scope. Product Name: Baby Monitor FCC ID: 2AKVZ-530R Trademark: N/A Model Number: SM530, SM530RX, SM530A, SM530V2, SM530B, SM530BV2, SM530C, SM530CV2, SM530D, SM530F, SM530FV2, SM530E, SM530EV2, SM520, SM520TX, SM520RX, SM520V2 Prepared For: 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 Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: 1&2/F., Building A, No.26, Xinhe Road, Xinqiao, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: Apr. 24, 2024 Sample tested Date: Apr. 24, 2024 to May. 10, 2024 Issue Date: May. 10, 2024 Report No.: CTB240506043RFX Test Standards FCC CFR Title 47 Part 15 Subpart C Section 15.247 ANSI C63.10:2013 Test Results PASS Remark: This is 2.4GHz radio test report. Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB240506043RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 35 TABLE OF CONTENT Test Report Declaration Page 1. VERSION .......................................................................................................................................... 3 2. TEST SUMMARY ............................................................................................................................. 4 3. MEASUREMENT UNCERTAINTY ................................................................................................... 5 4. PRODUCT INFORMATION AND TEST SETUP ............................................................................. 6 4.1 Product Information ............................................................................................................................ 6 4.2 Test Setup Configuration ................................................................................................................... 6 4.3 Support Equipment ............................................................................................................................ 6 4.4 Channel List ....................................................................................................................................... 7 4.5 Test Mode .......................................................................................................................................... 7 4.6 Test Environment ............................................................................................................................... 7 5. TEST FACILITY AND TEST INSTRUMENT USED ......................................................................... 8 5.1 Test Facility ........................................................................................................................................ 8 5.2 Test Instrument Used ......................................................................................................................... 8 6. AC POWER LINE CONDUCTED EMISSION .................................................................................. 10 6.1 Block Diagram Of Test Setup ........................................................................................................... 10 6.2 Limit .................................................................................................................................................. 10 6.3 Test procedure ................................................................................................................................. 10 6.4 Test Result ....................................................................................................................................... 12 7. RADIATED SPURIOUS EMISSION ............................................................................................... 14 7.1 Block Diagram Of Test Setup ........................................................................................................... 14 7.2 Limit .................................................................................................................................................. 14 7.3 Test procedure ................................................................................................................................. 15 7.4 Test Result ....................................................................................................................................... 16 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS ................................................ 23 8.1 Block Diagram Of Test Setup ........................................................................................................... 23 8.2 Limit .................................................................................................................................................. 23 8.3 Test procedure ................................................................................................................................. 23 8.4 Test Result ....................................................................................................................................... 24 9. COUDUCTED…

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FLASH Volume LED Close to IC Close to IC JTAG I/F UART Reset KEY LCD_IO27 DE/CSB HSYNC DCLK R7 VSYNC B2 B1 B0 LCD_IO17 LCD_IO16 LCD_IO14 LCD_IO15 R0 G7 G6 G5 B7 B6 B5 B4 LCD_IO19 LCD_IO11 LCD_IO10 LCD_IO26 G3 G2 LCD_IO12 R6 R5 R4 LCD_IO22 LCD_IO21 LCD_IO20 LCD_IO25 LCD_IO24 LCD_IO4 LCD_IO3 R1 G0 LCD_IO23 LCD_IO9 LCD_IO8 LCD_IO7 LCD_IO6 LCD_IO5 LCD_IO1 G1 LCD_IO2 LCD_IO0 LCD_IORGB888 G4 R2 B3 LCD_IO18 LCD_IO13 R3 IO28 IO29 IO30 IO31 IO32 IO33 IO34 IO35 IO36 IO47 IO48 IO49 IO50 IO51 IO52 IO53 IO54 IO55 IO56 Fun.PADIO IO0 IO1 IO2 IO3 IO4 IO5 IO6 IO7 IO8 IO9 IO10 IO11 IO12 IO13 IO15 IO14 IO16 IO17 IO18 IO19 IO20 IO21 IO22 IO23 IO24 IO25 IO26 IO27 AIN1:BAT_DET RF_SPI1_CLK RF_SPI1_CS RF_SPI1_MO UART2_TX UART2_RX AIN0:AKEY IO57 LCD0 LCD1 LCD3 LCD4 LCD6 LCD5 LCD7 LCD8 LCD9 LCD10 LCD2 LED_B SPK_EN LED_G Power LED LED_B RF TX SEL LCD_BL_CTL SPI_CLK SPI_CS SPI_MO SPI_MI LED_B LED_B GPIO0 ADC Calibration Input ADC Calibration Output Power on/off DET RF CKO DC IN Input AIN0 AIN1 AIN2 GPIO13 GPIO2 GPIO3 GPIO9 GPIO10 GPIO11 GPIO12 SD3_D1(GPIO) SD3_D2(GPIO) GPIO1 Debug UART LOG and SW Download Reserved Reserved AIN0:AKEY-1 Watch Dog Encryption CLK Encryption DATA Encryption RST SD_CLK SD_CMD SD_D0 SD_D1 SD_D2 SD_D3 SD_CD SD2_CD SD2_WP GPIO6 AIN3 V01 TITLE : MODEL NO. : DRAWING NO. : DRAWN BY : CHECKED BY : APPROVED BY : DATE : DATE : REV : DATE : ALFORD INDUSTRIES LTD. This part should not contain any substances which are specified in ESS-001(ROHS) Purchase ink,palnt,wire rods,and molding resins only from the business partners that ALFORD approves as Green Partners 2022-10-31 2022-10-31 2022-10-31 RX MAIN SM950-RX-MCU 3 MIC Microphone select ES Chip R67=0R C51=NC MP Chip R67=2K2 C51=10UF AMP 2.2K CHG TO 1K 3K3 CHG TO 1K 30K CHG TO 39K Power Domain for VDD_RTC (1.4V~3.6V) This area IO Pin Power level for VDDIO_SEN (VDDIO_SEN : 1.8V or 3.3V ) 8-SOIC + R68 1K R69 1K R714.7K R724.7K 1 VDD33_USB 2 HOST_DP 3 HOST_DM 4 VDD11_USB 5 DEV_DM 6 DEV_DP 23 CVBS_OUT 22 RBIAS 21 VDD33 7 VDD11 19 EFUSE_VDDQ 18 RSTN 17 TEST 16 VDD33 15 IO0 14 IO1 13 IO2 12 IO3 11 IO4 10 IO5 9 IO6 8 IO7 20 VDD11 24 RTC_XIN 25 RTC_XOUT 26 VDD_RTC 27 RTC_CTL 28 RTC_KEY 29 RTC_GPIO0 30 RTC_GPIO1 31 IO8 32 IO9 34 IO10 33 IO11 35 MIC_N 36 MIC_P 37 VMID 38 VDDA3 39 R2R_OUT 40 VDD11 41 VDDIO_SEN 42 IO13 43 IO14 44 IO15 45 IO16 46 IO17 47 IO47 48 IO48 49 IO49 50 IO50 51 IO51 52 VDD33 53 IO18 54 IO19 55 IO20 56 IO21 57 IO52 58 IO53 59 IO54 60 IO55 61 IO56 62 IO57 63 VDD33 64 IO22 96 IO29 95 IO28 94 IO27 93 IO26 92 MAC_TXCLK 91 TRSTN 90 TCK 89 TMS 88 TDO 87 TDI 86 VDD18_DDR 85 VDD11_DDR 84 VDD18_DDR 83 VREF_DDR 82 VDD18_DDR 81 VDD11_DDR 80 VDD18_DDR 79 VDD18_DDR 78 VDD11_DDR 77 VDD18_DDR 76 VDD18_DDR 75 VDD18_DDR 74 VDD11_DDR 73 VDD18_DDR 72 VDD18_DDR 71 SF_MI 70 SF_MO 69 SF_CSN 68 SF_CLK 67 IO25 66 IO24 65 IO23 127 VDD11 128 VDD33 126 LCD27 125 LCD26 124 LCD25 123 LCD24 122 LCD23 121 LCD22 120 LCD21 119 LCD20 117 LCD19 116 LCD18 115 LCD17 114 LCD16 113 LCD15 112 LCD14 111 LCD13 110 LCD12 109 LCD11 118 VDD11 108 VDD33 107 XOUT 106 XIN 105 VDD11 104 IO36 103 IO35 102 IO34 101 IO33 100 IO32 99 IO31 98 IO30 97 VDD33 129 EP UR1 SN93701AFG_LQFP128_V1 C4 1UF C5 1UF C6 1UF C9 1UF C10 1UF C12 1UF C1 1UF C7 1UF C24 1UF C11 1UF C8 2.2UF T6 C25 0.1UF C26 0.1UF LED3 Green(VOL1) LED4 GreenVOL2) LED5 Orange(VOL3) LED6 Red(VOL4) C29 0.1UF C32 6.8P C33 2.2UF C30 6.8PF C94 1UF C96 27PF C98 27PF R97 10M R221K C28 0.1UF 1 CS# 2 SO 3 WP# 4 GND 5 SI 6 SCLK 7 HOLD# 8 VCC UR2 MX25L12806 R259K1 C112 0.1UF C111 1UF C1360.1UF R55 100K C137 0.1UF C141 1UF C142 1UF C2 0.1UF C146 0.1UF C108 0.1UF C109 0.1UF R11M C134 33pF C135 33pF 1 2 34 Y2 12MHz/CL18PF R105 1K C138 0.1UF C139 0.1UF R16 9K1 R79 9K1 R82 9K1 R103 9K1 R104 9K1 R14 2.2K T47 T48 T49 T50 T51 T56 R510R T31 T59 C57 1UF T1 T5 1 2 MIC 4.0x1.5mm -43+/-2d C48 103 R33 3K3 R35 3K3 C18 102 R67 3.3K C46 10UF C51 10UF R10 2K2 R12 2K2 C27 6.8PF T8 T9 FB10 0R FB11 0R C70 NC C55 223 C61 10P C66 223 C72 10P C78 6.8P C79 6.8P C19 22UF C49 6.8P E12 NC E13 NC 1 1 2 2 J2 SPK R9 39K 1 CTRL 2 BYPASS 3 INP 4 INN 5 VON 6 VCC 7 GND 8 VOP U2 NS4150 H4 C16NC/1NF H5 C21 104/NC C22 104 R11 100K C75 NC R30 10K C81 1uF R52NC/47K R53 1R C87 104 C92 22NF C93 NC R40 10k R41 39K C13 10NF R15 4.7K R36 10K/5% R0402 R39 10K/5% R0402 C56 0.1UF R43 10K/5% R0402 12 C53 10uF/6.3V C0805 1 VDD 2 CLK 3 DATA 4 RST 5 NC3 6 NC2 7 NC1 8 VSS U3 DY001-01 1234 S10RESET SW R60 0R 12 Y3 32.768K/CL18PF EC1 100UF/10V H30 1 2 3 4 J3 CON4 1 2 3 4 J4 CON4 LED1 LED2 LED3 LED4VDD1.8V VDD1.2V TRSTN TCK TMS TDO TDI SF_CS SF_SCK SF_MOSI SF_MISO LCD_IO0 LCD_IO1 LCD_IO2 LCD_IO3 UART2_RX UART2_TX VCC3.3V LED1 LED2LED3 AMP_EN RF_TX_SEL RF_SPI_IN RF_SPI_CS RF_SPI_CLK VCC3.3V BL_PWM SPI_MI SPI_MO SPI_CS SPI_CLK LED4 LED5 IO15 VCC3.3VVDD1.2V OUTR VDDA3.3V MIC_P BAT_DET AKEY RTC_GPIO0 KEY PWR_EN VDD_RTC VCC3.3V SF_CS SF_MISO SF_SCK SF_MOSI VCC3.3V VDD1.2V VCC3.3V DEV_DM DEV_DP VDD1.2V VCC3.3V VCC3.3VVDD1.2V LCD_IO27LCD_IO26LCD_IO25LCD_IO24LCD_IO23LCD_IO22LCD_IO21LCD_IO20 VDD1.2V LCD_IO19LCD_IO18LCD_IO17LCD_IO16LCD_IO15LCD_IO14LCD_IO13LCD_IO12LCD_IO11 VCC3.3V VDD1.2V LCD_IO10LCD_IO9LCD_IO8LCD_IO7LCD_IO6LCD_IO5LCD_IO4 VCC3.3V TRSTN TDI TMS TCK TDO UART2_TX UART2_RX DEV_DM DEV_DP XOUT_12M IO11 BL_EN IO14 IO53IO52 RTC_GPIO1 HOST_DM HOST_DP HOST_DP HOST_DM MIC_N VCC3.3V VCC3.3V AKEY-1 CHRG_DET SD_D0 SD_D1 SD_D2 SD_D3 SD_CD IO25 IO24 IO6 DC4.7V CS MIC_P MIC_N SD_CD SD_D1 SD_D0 SD_CLK SD_CMD SD_D3 SD_D2 VDDA3.3V OUTR VCC3.3V IO25 IO6 VDDA3.3V AMP_EN IO24 GND AGND AGND AGND AGND AGND AGND AGND AGNDAGND AGND AGND AGND AGND AGND GND GND GND GND GND GND IO0 5 ' TFT LCD BACK LIGHT V01 TITLE : MODEL NO. : DRAWING NO. : DRAWN BY : CHECKED BY : APPROVED BY : DATE : DATE : REV : DATE : ALFORD INDUSTRIES LTD. This part should not contain any substances which are specified in ESS-001(ROHS) Purchase ink,palnt,wire rods,and molding resins only from the business partners that ALFORD approves as Green Partners 2022-10-31 2022-10-31 2022-10-31 RX MAIN SM950-RX-LCD 4 MIPI differential signal impedance is 100…

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Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 1 Model: SM530 Body(Front side) Body(Back side) Body(Top edge) 0cm separation 0cm separation 0cm separation