2ADM5-WR-0002WIFI RECEIVER

2 U S B I n t e r f ace 3.3V 5V Interface Signals RT5370 Switch Regulator 2.4G TX/RX Antenna 1.5V 40MHz XTAL (2412-2472Mhz)

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201130831-RF Page 1 of 3 EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201130831-RF Page 2 of 3 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201130831-RF Page 3 of 3

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201130831-RF EXHIBIT A - FCC ID LABEL AND LOCATION FCC ID Label FCC ID Label Location Information The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925)

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201130831-RF Page 1 of 4 EXHIBIT C - EUT INTERNAL PHOTOGRAPHS Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201130831-RF Page 2 of 4 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201130831-RF Page 3 of 4 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201130831-RF Page 4 of 4 Antenna

CircuitDescription The40MHZcrystaloscillator. ThemodulationprovidedbyRT5370.TheoutputofRT5370modulehasthematchingnetwork Wifi(802.11)andeffectthepropercouplingoftheantenna(2412-2472Mhz)totheoutputstage. Theantenna(2412-2472Mhz)consistsofaWifi(802.11)antenna Thereisnoexternalgroundconnection.Thegroundisonlythatoftheprintedcircuitboard. Electriccurrentissuppliedbya5VoltUSBinterface Frequency Range: 2412-2472MHz/2422-2462MHz Output Power: 10.68 dBm(802.11b), 13.18 dBm(802.11g) 14.88dBm(802.11n-HT20), 11.98dBm(802.11n-HT40) Modulation Technique: DSSS, OFDM Antenna Specification: 2.0 dBi

C34 close to IC 17 UDM UDP PA_OUT+ PA_OUT- 1.2VRF 3.3V 3.3V GND G ND G ND GND 40M_X2 1.2VA E-FUSE LD1P_ACT GND PA_RF_OUT 1 . 2 VP LL 1 . 2 V RF RFO-20 P LL_ V C _ C AP LED_RDYG# 3.3V 1 . 2 VD 1 . 2 VP LL 1.2VD 3.3V V R ES GPIO9 GND 40 M X1 1.2VD 3.3V B G _ R ES _12K RFO+20 40 M X2 1 . 2 V RF 3.3VPA RST_N 1 . 2 V RF 3.3VPA G ND 1 . 5V 1 . 2 VP LL 1 . 5V 1 . 2 VA 1 . 2 V RF 3 . 3V GND LED_LKACT# 1.2VRF1 B G _3 . 3A 1 . 2 VA 1.2VD PA_OUT G ND UDP[4] UDM[4] PA_OUT GND GND GND GND GND GND 3.3V GND GND 3.3V GND 1.5V GND GND GND GND GND 3.3V 3.3V GND 3.3V GND GND 1.2VPLL GND 1.2VRF GND 3.3V1.2VD GNDGND GND GND 1.5V GND 1.2VA C27 1.2pF C27 1.2pF 1 2 C45 0.1uF C45 0.1uF 1 2 C13 27pF C13 27pF 12 D1 LED D1 LED 12 C80.5pFC80.5pF 12 R12 4.7K/NI R12 4.7K/NI 12 C34 10pF C34 10pF 1 2 C40 1uF C40 1uF 1 2 L7 1.8nH L7 1.8nH 12 C44 1uF C44 1uF 1 2 R13 4.7K R13 4.7K 12 R6 4.7K R6 4.7K 12 C42 1uF C42 1uF 1 2 L5 10nH L5 10nH 12 R10 100K R10 100K 12 C200.1uFC200.1uF 1 2 R7 330 R7 330 12 C41 4.7uF C41 4.7uF 1 2 C23 10pF C23 10pF 1 2 C32 2.2pF C32 2.2pF 1 2 L8 2.2nH L8 2.2nH 12 C46 0.1uF C46 0.1uF 1 2 C49 1uF C49 1uF 1 2 C21 22nF C21 22nF 1 2 L11 0 ohm L11 0 ohm 12 C54 0.1uF C54 0.1uF 1 2 C35 0.1uF C35 0.1uF 12 C47 0.1uF C47 0.1uF 1 2 C48 0.1uF C48 0.1uF 1 2 C30 33pF C30 33pF 12 R16 8 . 2K R16 8 . 2K 1 2 2.5x3.2 U3 XTAL/3.2x2.5/40MHz 2.5x3.2 U3 XTAL/3.2x2.5/40MHz 1 2 4 3 C37 0.1uF C37 0.1uF 1 2 C31 1.2pF/NI C31 1.2pF/NI 1 2 R312KR312K 12 L10 2.2nH L10 2.2nH 1 2 C39 0.1uF C39 0.1uF 1 2 U4 RT5370 U4 RT5370 RF_INN 1 RF_INP 2 RF_V12A 3 PA_V33P 4 PA_OUTP 5 PA_OUTN 6 PA_V33N 7 PA1_V33A 8 VDD 9 VCCIO 10 RST_N 11 LDO_CORE_VO12 12 L D O _ C O R E _ V I 15 13 V DDL 14 PA DP 15 PA DM 16 V DDA 17 V R ES 18 G P IO2 19 G P IO3 20 G P IO8 21 G P IO9 22 G P IO 10 / F L AS H _ C SN 23 G P IO 11 24 T ES T _ EN 25 VCCIO 26 LED_ACT_N 27 LED_RDYG_N 28 GPIO0 29 GPIO1 30 GPIO4/EECS 31 GPIO5/EEDI 32 VDD 35 PLL_AVDD_V12A 36 A DC _ V 12D 38 R F _ BB 2_ V 12A 40 B G _ R ES 41 B G _ V 33A 42 L D O R F _ O UT 43 L D O P LL_ O UT 45 L D O R F _ IN 44 P LL_ X2 46 P LL_ X1 47 P LL_ P R E _ V 12A 48 P LL_ V C _ C AP 49 V C O _L O _ V 12A 50 R F _ BB 1_ V 12A 51 R F 0_L O _ V 12A 52 G ND 53 GPIO6/EESK 33 GPIO7/EEDO 34 PLL_DVDD_V12D 37 A DC _ V 12A 39 R2 300R R2 300R 12 R15 4.7K R15 4.7K 12 C29 1.2pF C29 1.2pF 1 2 C24 1.2pF C24 1.2pF 1 2 C36 1pF C36 1pF 1 2 C22 100pF/NI C22 100pF/NI 12 L6 22nH L6 22nH 12 L9 0 ohm L9 0 ohm 12 C33 33pF C33 33pF 12 C43 1uF C43 1uF 1 2 C26 0.1uF C26 0.1uF 1 2 C28 1.2pF C28 1.2pF 12 GND PA_OUTANTE1E PA_OUT[3] GND GND L1 1.2nH L1 1.2nH 12 ANT1 ANT-RA ANT1 ANT-RA IO 1 G 2 C7 NI C7 NI 1 2 C6 NI C6 NI 1 2 R2R1 UDM UDP UV+ VSWVBUS3.3VD G ND VSWVBUS1.5VD G ND UDP[3] UDM[3] UV+ G ND VBUS GND GND GND GND 3.3V VBUS GND GND GND GND 1.5V R18 1.8K R18 1.8K 1 2 C15 0.1uF C15 0.1uF 1 2 C53 0.01uF C53 0.01uF 1 2 R19 8.2K/RF R19 8.2K/RF 1 2 C10 0.1uF C10 0.1uF 1 2 R5 1.0K R5 1.0K 1 2 U1 SY8008 U1 SY8008 FB 1 GND 2 VIN1 3 VIN2 4 EN 5 C51 4.7uF C51 4.7uF 1 2 U2 SY8008 U2 SY8008 FB 1 GND 2 VIN1 3 VIN2 4 EN 5 C52 10uF C52 10uF 1 2 R4 1.5K/RF R4 1.5K/RF 1 2 C14 4.7uF C14 4.7uF 1 2 C12 10uF C12 10uF 1 2 L2 NLCV32T-2R2M L2 NLCV32T-2R2M 12 1 2 3 4 G + - V G NCNC J2 USB_A-PLUG 1 2 3 4 G + - V G NCNC J2 USB_A-PLUG 2 3 4 1 C4 0.01uF C4 0.01uF 1 2 L3 NLCV32T-2R2M L3 NLCV32T-2R2M 12

Note: This report may contain data that are not covered by the A2LA accreditation and are marked with an asterisk “★”. BACL is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with an asterisk ’*’. Customer model name, addresses, names, trademarks etc. are not considered data. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. FCC PART 15.247 TEST REPORT For Zeeva International Limited Suite 1007B,10th Floor, Exchange Tower, 33 Wang Chiu Road, Kowloon Bay, HongKong, China FCC ID: 2ADM5-WR-0002 Report Type: Original Report Product Type: WIFI RECEIVER Re port Number: RSZ201130831-00 Re port Date: 2021-03-05 Reviewed B y: Jimmy Xiao RF En gineer Prepared By: Bay Area Compliance Laboratories Corp. (Shenzhen) 6/F., West Wing, Third Phase of Wanli Industrial Building, Shihua Road, Futian Free Trade Zone, Shenzhen, Guangdong, China Tel: +86-755-33320018 Fax: +86-755-33320008 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ201130831-00 FCC Part 15.247 Page 2 of 55 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 4 OBJECTIVE ................................................................................................................................................................... 4 TEST METHODOLOGY .................................................................................................................................................. 4 MEASUREMENT UNCERTAINTY .................................................................................................................................... 5 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 6 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 6 EUT EXERCISE SOFTWARE .......................................................................................................................................... 6 DUTY CYCLE ................................................................................................................................................................ 7 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 7 EXTERNAL I/O CABLE .................................................................................................................................................. 7 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 7 SUMMARY OF TEST RESULTS ............................................................................................................................... 8 TEST EQUIPMENT LIST ........................................................................................................................................... 9 FCC§15.247 (i), §1.1307 (b) (1) & §2.1093 – RF EXPOSURE ..................................................................................... 10 APPLICABLE STANDARD ............................................................................................................................................ 10 FCC §15.203 - ANTENNA REQUIREMENT ........................................................................................................... 11 APPLICABLE STANDARD ............................................................................................................................................ 11 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 11 FCC §15.207 (a) – AC LINE CONDUCTED EMISSIONS ..................................................................................... 12 APPLICABLE STANDARD ............................................................................................................................................ 12 EUT SETUP ................................................................................................................................................................ 12 EMI TEST RECEIVER SETUP ....................................................................................................................................... 12 TEST PROCEDURE ...................................................................................................................................................... 12 CORRECTED FACTOR & MARGIN CALCULATION ....................................................................................................... 13 TEST DATA ................................................................................................................................................................ 13 FCC §15.209, §15.205 & §15.247(d) - SPURIOUS EMISSIONS ............................................................................. 16 APPLICABLE STANDARD ...................................................................................................................................…

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EXHIBIT D - TEST SETUP PHOTOGRAPHS Conducted Emissions - Front View Conducted Emissions - Side View Radiated Emissions View (Below 1 GHz) Radiated Emissions View (Above 1 GHz)