2BBX3-R3TV BOX

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(ShenzhenYojiaTechnologyCo.,Ltd.) (Jul.06,2023) EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(i)requestfor(FCCID:2BBX3-R3) [ShenzhenYojiaTechnologyCo.,Ltd.](“theapplicant”)certifiesthattheequipmentfor whichauthorizationissoughtisnot“covered”equipmentprohibitedfromreceivingan equipmentauthorizationpursuanttosection2.903oftheFCCrules. Sincerely, (Applicantsignature) (Applicantprintedname)YilongWang (ShenzhenYojiaTechnologyCo.,Ltd.) (Jul.06,2023) EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(ii)requestfor(FCCID:2BBX3-R3) [ShenzhenYojiaTechnologyCo.,Ltd.](“theapplicant”)certifiesthat,asofthedateof thefilingoftheapplication,theapplicantisnotidentifiedontheCoveredListasan entityproducing“covered”equipment. Sincerely, (Applicantsignature) (Applicantprintedname) YilongWang

Shenzhen Yojia Technology Co., Ltd. Model Difference Data：2023.07.05 Product description: TV BOX Model name: R3, RK3528, H1, H618, X2, X3, X4, X5, S905X5, DQ03, DQ06, DQ08 Trade Name: VONTAR FCC ID: 2BBX3-R3 All the model are the same circuit and RF module, except model names . Regards Sincerely Client’s signature : Client’s name / title : Yilong Wang（Manager） Contact information / address：Rm.4D, L-Building, Baicai Science Park, No.26, 2nd Lane,Liuxian 1st Rd., Xin'an Street, Bao'an District, Shenzhen, China

Shenzhen Yojia Technology Co., Ltd. (2023.07.05) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (TV BOX / R3, RK3528, H1, H618, X2, X3, X4, X5, S905X5, DQ03, DQ06, DQ08 / FCC ID: 2BBX3-R3) 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: Yilong Wang Title: Manager

Shenzhen Yojia Technology Co., Ltd. (2023.07.05) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (Shenzhen CTB Testing Technology Co., Ltd.) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Signature: Name: Yilong Wang Title: Manager

External Photos

FCC ID LABEL: Label Location: FCC ID: 2BBX3-R3 Model No.: R3

Internal Photos ANT

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2BBX3-R3 Applied procedures / limit According to FCC §15.247(i) and §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. 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 Time |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 1500-100,000 5 6 Note: ƒ is frequency in MHz * = Power density limit is applicable at frequencies greater than 100 MHz 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 Time |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 1500-100,000 1.0 30 Note: f = frequency in MHz * = Plane-wave equivalent power density MPE PREDICTION Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to antenna G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna,R=20cm Test Result of RF Exposure Evaluation Modes& Channel Freq. (MHz) Tune up Produce power Maximu m peak output power (dBm) Output power to antenna (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW / cm2 ) Result EDR 8DPSK &HCH 1±1 2 1.5849 0.811 (-0.91dBi) 0.0003 1 Pass BLE GFSK & MCH -1±1 0 1 0.811 (-0.91dBi) 0.0002 1 Pass 2.4G WIFI 802.11b&2 412 14±1 15 31.6228 1.0765 (0.32dBi) 0.0068 1 Pass 5.2G WIFI 802.11ac2 0&5240 14±1 15 31.6228 1.5488 (1.9dBi) 0.0097 1 Pass 5.8G WIFI 802.11n(H T20)& 5825 13±1 14 25.1189 0.6839 (-1.65dBi) 0.0034 1 Pass

Antenna Test Report manufacturer：Shenzhen Yojia Technology Co., Ltd. Rm .4D, L-Building, Baicai Science Park, No.26, 2nd Lane, Liuxian 1st Rd., Xin'an Street, Bao'an District, Shenzhen, China Antenna pattern Freq Gain/dBiEfficiency/% 24000.28788946.50820613 24100.32460744.93282726 24200.02640140.73168047 2430-0.4076938.84972519 2440-0.4938540.47400693 2450-0.3686341.09234155 2460-0.2775741.41012055 2470-0.1912241.80703001 2480-0.188641.45684023 2490-0.3563541.12070652 2500-0.355241.77291709 Wi-Fi :2.4GWIFI 3 Freq Gain/dBiEfficiency/% 51002.75751568.40829474 52001.89585963.58893161 53002.12632465.3587445 54001.64452957.89320606 55000.7082646.28153106 5600-0.496840.35851346 5700-1.1476337.13671164 5800-1.6509831.91178511 5900-2.3121928.75539349 6000-3.7090721.92146961 Wi-Fi :5GWIFI 6 Freq Gain/dBiEfficiency/% 2400-5.945049049.820468934 2410-5.3629673110.89751536 2420-5.0638386911.41625199 2430-4.8599876712.28491805 2440-4.2982576614.79126626 2450-3.5275237917.60723887 2460-2.9997405720.08454949 2470-2.3913472922.97109296 2480-1.905587325.75370051 2490-1.5384450727.99855353 2500-0.7579147332.32031625 BT: 7 WiFi 2.4G Phi Section Theta Section 8 WiFi 5G Phi Section Theta Section 11 BT 2.4G Phi Section Theta Section 12 WiFi 2.4G： L： -5dB M:-5dB H:-5dB 5G: L：-12dB M:-9dB H:-6dB 14 BT 2.4G： L：-1dB M:-1dB H:-1.5dB

Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230625007RFX Report Tel: 4008-707- 283Web: http://www.ctb-lab. net Page 1 of 58 TEST REPORT Compiled by: Reviewed by: Approved by: Chen Zheng 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 sig nature 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: TV BOX FCC ID: 2BBX3-R3 Trademark: VONTAR Model Number: R3, RK3528, H1, H618, X2, X3, X4, X5, S905X5, DQ03, DQ06, DQ08 Prepared For: Shenzhen Yojia Technology Co., Ltd. Address: Rm.4D, L-Building, Baicai Science Park, No.26, 2nd Lane,Liuxian 1st Rd., Xin'an Street, Bao'an District, Shenzhen, China Manufacturer: Shenzhen Yojia Technology Co., Ltd. Address: Rm.4D, L-Building, Baicai Science Park, No.26, 2nd Lane,Liuxian 1st Rd., Xin'an Street, Bao'an District, 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: Jun. 20, 2023 Sample tested Date: Jun. 20, 2023 to Jun. 28, 2023 Issue Date: Jun. 28, 2023 Report No.: CTB230625007RFX Test Standards FCC Part15.247 ANSI C63.10:2013 Test Results PASS Remark: This is Bluetooth radio test report. Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230625007RFX Report Tel: 4008-707- 283 Web: http://www.ctb-lab. net Page 2 of 58 TABLE OF CONTENT Test Report Declaration Page 1. VERSION ........................................................................................................................................ 4 2. TEST SUMMARY ........................................................................................................................... 5 3. MEASUREMENT UNCERTAINTY ................................................................................................. 6 4. PRODUCT INFORMATION AND TEST SETUP ............................................................................ 7 4.1 Product Information .......................................................................................................................... 7 4.2 Test Setup Configuration .................................................................................................................. 7 4.3 Support Equipment........................................................................................................................... 7 4.4 Channel List ..................................................................................................................................... 8 4.5 Test Mode ........................................................................................................................................ 8 4.6 Test Environment ............................................................................................................................. 8 5. TEST FACILITY AND TEST INSTRUMENT USED ....................................................................... 9 5.1 Test Facility ...................................................................................................................................... 9 5.2 Test Instrument Used ....................................................................................................................... 9 6. AC POWER LINE CONDUCTED EMISSION ................................................................................ 11 6.1 Block Diagram Of Test Setup ......................................................................................................... 11 6.2 Limit ................................................................................................................................................ 11 6.3 Test procedure ............................................................................................................................... 11 6.4 Test Result ..................................................................................................................................... 13 7. RADIATED SPURIOUS EMISSION ............................................................................................. 15 7.1 Block Diagram Of Test Setup ......................................................................................................... 15 7.2 Limit ................................................................................................................................................ 15 7.3 Test procedure ............................................................................................................................... 16 7.4 Test Result ..................................................................................................................................... 17 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS ............................................... 26 8.1 Block Diagram Of Test Setup ......................................................................................................... 26 8.2 Limit ................................................................................................................................................ 26 8.3 Test procedure ............................................................................................................................... 26 8.4 Test Result ..................................................................................................................................... 27 9. COUDUCTED PEAK O…

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Radiated Emission Below 1G Above 1G Conducted emissions