XOMD50A114-U-A-I50 INCH SMART 4K UHDTV

Reference N Waltek Tes Http://www EXHIBI EUT EUT No.: WTH21X sting Group w.waltek.com T 2 - EUT View 1 View 2 X04041842W (Shenzhen) m.cn T EXTER W Co., Ltd. RNAL PH Page 2 of 1 HOTOGR 14 APHS Reference N Waltek Tes Http://www EUT EUT No.: WTH21X sting Group w.waltek.com View 3 View 4 X04041842W (Shenzhen) m.cn W Co., Ltd. Page 3 of 1 14 Reference N Waltek Tes Http://www EUT No.: WTH21X sting Group w.waltek.com View 5 X04041842W (Shenzhen) m.cn W Co., Ltd. Page 4 of 1 14 Reference N Waltek Tes Http://www EUT EUT No.: WTH21X sting Group w.waltek.com View 6 View 7 X04041842W (Shenzhen) m.cn W Co., Ltd. Page 5 of 1 14 Reference N Waltek Tes Http://www No.: WTH21X sting Group w.waltek.com X04041842W (Shenzhen) m.cn W Co., Ltd. Page 6 of 1 14

Reference N Waltek Tes Http://www EXHIBI Proposed Specification it is visible durable to r expected lif e Proposed FCC I Loc No.: WTH21X sting Group w.waltek.com T 1 - PRO FCC ID La ns: The label or easily acc emain fully l etime. Label Loca ID Label cation X04041842W (Shenzhen) m.cn ODUCT L abel Forma 7 shall be sec u cessible to th legible and in ation on EU W Co., Ltd. LABELIN at urely affixed t he user, and ntact on the UT Page 1 of 1 ANNEX NG to a permane shall not be device in al l 14 ently attached readily detac l normal cond d part of the d chable. The l ditions of use device, in a lo label shall be e throughout ocation where e sufficiently t the device’s e y s

Reference No.: WTH21X04041842W Page 7 of 14 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EXHIBIT 3 - EUT INTERNAL PHOTOGRAPHS EUT Housing and Board View 1 Solder Board-Component View 1 Reference No.: WTH21X04041842W Page 8 of 14 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Solder Board-Component View 2 Solder Board-Component View 3 Reference No.: WTH21X04041842W Page 9 of 14 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Solder Board-Component View 4 Solder Board-Component View 5 Reference No.: WTH21X04041842W Page 10 of 14 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Solder Board-Component View 6 Solder Board-Component View 7 Reference No.: WTH21X04041842W Page 11 of 14 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Antenna View

1. MAXIMUM PERMISSIBLE EXPOSURE (MPE) 1.1 General Information Client Information Applicant: SHENZHEN QIYUE OPTRONICS COMPANY LIMITED Address of applicant: Flat3,Tower 3, Excellence Meilin Center Plaza, Zhongkang Road 128, Shangmeilin, Futian District, Shenzhen , China Manufacturer: SHENZHEN QIYUE OPTRONICS COMPANY LIMITED BRANCH Address of manufacturer: A/B/C/D Building, Xitian Industrial Park, Dashuikeng Community,Guanlan Street, Longhua New District, Shenzhen City, China General Description of EUT: Product Name: 50’’ SMART 4K UHDTV Trade Name: RCA, PROSCAN, RCA SCENIUM, TECHNICOLOR, SYLVANIA, RCASMARTVIRTUOSO Model No.: D50A114-U-A-I Adding Model(s): RWOSU5049-B, XXXXXXXXXX50XXXXXXXXXXXXX (Where “X” can be any alphanumeric of A-Z or 0-9 or blank or -, indicates different client) Rated Voltage: AC100-120V/60Hz FCC ID: XOMD50A114-U-A-I Equipment Type: Mobile Technical Characteristics of EUT: Bluetooth Bluetooth Version: V5.0 (BR/EDR/LE mode) Frequency Range: 2402-2480MHz RF Output Power: 10.080dBm (Conducted) Data Rate: 1Mbps, 2Mbps, 3Mbps Modulation: GFSK, π/4 DQPSK, 8DPSK Quantity of Channels: 79/40 Channel Separation: 1MHz/2MHz Type of Antenna: Integral Antenna Antenna Gain: 2dBi WiFi (2.4G) Support Standards: 802.11b, 802.11g, 802.11n Frequency Range: 2412-2462MHz for 802.11b/g/n(HT20) 2422-2452MHz for 802.11n(HT40) RF Output Power: Antenna 0:15.65dBm (Conducted) Antenna 1: 15.18dBm (Conducted) Type of Modulation: DBPSK,BPSK,DQPSK,QPSK,16QAM,64QAM Quantity of Channels: 11 for 802.11b/g/n(HT20); 7 for 802.11n(HT40) Channel Separation: 5MHz Type of Antenna: Integral Antenna Antenna Gain: 2dBi WiFi (5G) Support Standards: 802.11a, 802.11n(HT20) , 802.11n-HT40, 802.11ac-HT80 Frequency Range: 5150-5250MHz, 5725-5850MHz RF Output Power: Antenna 0:14.66dBm (Conducted) Antenna 1: 14.77dBm (Conducted) Type of Modulation: BPSK, QPSK,16QAM,64QAM Type of Antenna: Integral Antenna Antenna Gain: 2dBi 1.2 Standard Applicable According to §1.1307(b)(1) and KDB 447498 D01 General RF Exposure Guidance v06, system operating under the provisions of this section shall be operating in a manner that the public is not exposed to radio frequency energy level in excess limit for maximum permissible exposure. (a) Limits for Occupational / Controlled Exposure Frequency range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/cm 2 ) Averaging Times | E | 2 , | H | 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842/f 4.89/f (900/f)* 6 30-300 61.4 0.163 1.0 6 300-1500 / / F/300 6 1500-100000 / / 5 6 (b) Limits for General Population / Uncontrolled Exposure Frequency range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/cm 2 ) Averaging Times | E | 2 , | H | 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 / / F/1500 30 1500-100000 / / 1 30 Note: f = frequency in MHz: * = Plane-wave equivalents power density 1.3 MPE Calculation Method S = (30*P*G) / (377*R 2 ) S = power density (in appropriate units, e.g., mw/cm 2 ) P = power input to the antenna (in appropriate units, e.g., mw) G = power gain of the antenna in the direction of interest relative to an isotropic radiator, the power gain factor is normally numeric gain. R = distance to the center of radiation of the antenna (in appropriate units, e.g., cm) 1.4 MPE Calculation Result For Bluetooth Maximum Tune-Up output power: 11(dBm) Maximum peak output power at antenna input terminal: 12.59 (mW) Prediction distance: >20(cm) Prediction frequency: 2480 (MHz) Antenna gain: 2.0(dBi) Directional gain (numeric gain): 1.58 The worst case is power density at prediction frequency at 20cm: 0.0040 (mw/cm 2 ) MPE limit for general population exposure at prediction frequency: 1 (mw/cm 2 ) For WiFi (2.4G) Maximum Tune-Up output power: 16(dBm) Maximum peak output power at antenna input terminal: 39.81 (mW) Prediction distance: >20(cm) Prediction frequency: 2412 (MHz) Antenna gain:2.0(dBi) Directional gain (numeric gain): 1.58 The worst case is power density at prediction frequency at 20cm: 0.0126 (mw/cm 2 ) MPE limit for general population exposure at prediction frequency: 1 (mw/cm 2 ) For WiFi (5.2G) Maximum Tune-Up output power: 17(dBm) Maximum peak output power at antenna input terminal: 50.12(mW) Prediction distance: >20(cm) Prediction frequency: 5230 (MHz) Antenna gain: 2.0(dBi) Directional gain (numeric gain): 1.58 The worst case is power density at prediction frequency at 20cm: 0.0158(mw/cm 2 ) MPE limit for general population exposure at prediction frequency: 1 (mw/cm 2 ) For WiFi (5.8G) Maximum Tune-Up output power: 17(dBm) Maximum peak output power at antenna input terminal: 50.12(mW) Prediction distance: >20(cm) Prediction frequency: 5785 (MHz) Antenna gain: 2.0(dBi) Directional gain (numeric gain): 1.58 The worst case is power density at prediction frequency at 20cm: 0.0158(mw/cm 2 ) MPE limit for general population exposure at prediction frequency: 1 (mw/cm 2 ) Mode for Simultaneous Multi-band Transmission WiFi (2.4G) and WiFi (5G) is the use the same antenna cannot simultaneous transmission. Bluetooth + WiFi (2.4G) The worst case is power density at prediction frequency at 20cm: 0.0040+0.0126=0.0166(mw/cm 2 ) MPE limit for general population exposure at prediction frequency: 1 (mw/cm 2 ) Bluetooth + WiFi (5G) The worst case is power density at prediction frequency at 20cm: 0.0040+0.0158=0.0198(mw/cm 2 ) MPE limit for general population exposure at prediction frequency: 1 (mw/cm 2 ) Result: Pass

Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 1 of 57 TEST REPORT Reference No. .................... : WTH21X04041858W-3 FCC ID ................................ : XOMD50A114-U-A-I Applicant ........................... : SHENZHEN QIYUE OPTRONICS COMPANY LIMITED Address ............................. : Flat3,Tower 3, Excellence Meilin Center Plaza, Zhongkang Road 128, Shangmeilin, Futian District, Shenzhen , China Product Name ................... : 50’’ SMART 4K UHDTV Test Model. ........................ : D50A114-U-A-I Standards .......................... : FCC Part 15.247 Date of Receipt sample .... : Apr. 30, 2021 Date of Test........................ : Apr. 30, 2021 to May. 26, 2021 Date of Issue ..................... : May. 26, 2021 Test Result ......................... : Pass Remarks: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Prepared By: Waltek Testing Group (Shenzhen) Co., Ltd. Address: 1/F., Room 101, Building 1, Hongwei Industrial Park, Liuxian 2nd Road, Block 70 Bao'an District, Shenzhen, Guangdong, China Tel.: +86-755-33663308 Fax.: +86-755-33663309 Tested by: Reviewed By: Approved & Authorized By: Mike Shi / Project Engineer Lion Cai / RF Manager Silin Chen / Manager Reference No.: WTH21X04041858W-3 Page 2 of 57 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn TABLE OF CONTENTS 1. GENERAL INFORMATION ................................................................................................................................... 4 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ............................................................................... 4 1.2 TEST STANDARDS ................................................................................................................................................... 6 1.3 TEST METHODOLOGY ............................................................................................................................................. 6 1.4 TEST FACILITY ....................................................................................................................................................... 6 1.5 EUT SETUP AND TEST MODE ................................................................................................................................. 7 1.6 MEASUREMENT UNCERTAINTY .............................................................................................................................. 8 1.7 TEST EQUIPMENT LIST AND DETAILS ..................................................................................................................... 9 2. SUMMARY OF TEST RESULTS ......................................................................................................................... 11 3. ANTENNA REQUIREMENT ................................................................................................................................ 12 3.1 STANDARD APPLICABLE ....................................................................................................................................... 12 3.2 EVALUATION INFORMATION ................................................................................................................................ 12 4. FREQUENCY HOPPING SYSTEM REQUIREMENTS ................................................................................... 13 4.1 STANDARD APPLICABLE ....................................................................................................................................... 13 4.2 FREQUENCY HOPPING SYSTEM............................................................................................................................. 13 4.3 EUT PSEUDORANDOM FREQUENCY HOPPING SEQUENCE .................................................................................... 14 5. QUANTITY OF HOPPING CHANNELS AND CHANNEL SEPARATION ................................................... 15 5.1 STANDARD APPLICABLE ....................................................................................................................................... 15 5.2 TEST SETUP BLOCK DIAGRAM ............................................................................................................................. 15 5.3 TEST PROCEDURE ................................................................................................................................................. 15 5.4 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 16 6. DWELL TIME OF HOPPING CHANNEL .......................................................................................................... 17 6.1 STANDARD APPLICABLE ....................................................................................................................................... 17 6.2 TEST SETUP BLOCK DIAGRAM ............................................................................................................................. 17 6.3 TEST PROCEDURE ................................................................................................................................................. 17 6.4 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 18 7. 20DB BANDWIDTH ............................................................................................................................................... 19 7.1 STANDARD APPLICABLE ....................................................................................................................................... 19 7.2 TEST SETUP BLOCK DIAGRAM ................…

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Reference No.: WTH21X04041842W Page 12 of 14 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EXHIBIT 4 - TEST SETUP PHOTOGRAPHS Conducted Emission Test Setup Radiation Emission Test Setup (Below 30MHz) Reference No.: WTH21X04041842W Page 13 of 14 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Radiation Emission Test Setup (30MHz to 1GHz) Radiation Emission Test Setup (1GHz to 18GHz) Reference No.: WTH21X04041842W Page 14 of 14 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Radiation Emission Test Setup (Above 18GHz) ***** END OF REPORT *****