TC2-R1050Streaming Player

Roku, Inc. 1173 Coleman Ave. San Jose, CA 95110 USA CFR 47 §2.911(d)(5)(i) Attestation Letter Attestation Letter Date: 04/12/2024 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(i) Filing FCC ID: TC2-R1050 Roku, Inc. (“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, Robert Curtis, VP Engineering [email protected] (707) 365-0353 Roku, Inc. 1173 Coleman Ave San Jose, CA 95110, United States Robert Curtis (Apr 12, 2024 10:07 CDT) Robert Curtis FCC package for Brewster (Part 1/2) Final Audit Report2024-04-12 Created:2024-04-12 By:Joseph Kwong ([email protected]) Status:Signed Transaction ID:CBJCHBCAABAAktqBI59TYk3IHOkK2S3111R71TGochEZ "FCC package for Brewster (Part 1/2)" History Document created by Joseph Kwong ([email protected]) 2024-04-12 - 3:04:35 PM GMT Document emailed to Robert Curtis ([email protected]) for signature 2024-04-12 - 3:04:39 PM GMT Email viewed by Robert Curtis ([email protected]) 2024-04-12 - 3:05:51 PM GMT Document e-signed by Robert Curtis ([email protected]) Signature Date: 2024-04-12 - 3:07:22 PM GMT - Time Source: server Agreement completed. 2024-04-12 - 3:07:22 PM GMT

Roku, Inc. 1173 Coleman Ave. San Jose, CA 95110 USA CFR 47 §2.911 (d)(5)(ii) Attestation Letter Attestation Letter Date: 04/12/2024 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(ii) Filing FCC ID: TC2-R1050 Roku, Inc. (“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, Robert Curtis, VP Engineering [email protected] (707) 365-0353 Roku, Inc. 1173 Coleman Ave San Jose, CA 95110, United States Robert Curtis (Apr 12, 2024 10:07 CDT) Robert Curtis FCC package for Brewster (Part 1/2) Final Audit Report2024-04-12 Created:2024-04-12 By:Joseph Kwong ([email protected]) Status:Signed Transaction ID:CBJCHBCAABAAktqBI59TYk3IHOkK2S3111R71TGochEZ "FCC package for Brewster (Part 1/2)" History Document created by Joseph Kwong ([email protected]) 2024-04-12 - 3:04:35 PM GMT Document emailed to Robert Curtis ([email protected]) for signature 2024-04-12 - 3:04:39 PM GMT Email viewed by Robert Curtis ([email protected]) 2024-04-12 - 3:05:51 PM GMT Document e-signed by Robert Curtis ([email protected]) Signature Date: 2024-04-12 - 3:07:22 PM GMT - Time Source: server Agreement completed. 2024-04-12 - 3:07:22 PM GMT

Roku, Inc. 1173 Coleman Ave. San Jose, CA 95110 USA Attestation Letter for Agent 04/12/2024 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements Part 2.911 (d)(7) Filing FCC ID: TC2-R1050 Roku, Inc. certifies that, as of the date of the filing of the application, Roku, Inc. is our designated U.S. agent for service of process for the above referenced FCC ID: TC2-R1050. Roku, Inc. agrees to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Roku, Inc. accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Company name: Roku, Inc. (FRN: 0013581079) Address: 1173 Coleman Ave, San Jose, CA 95110, United States Contact Person: Robert Curtis Tel: (707) 365-0353 Email: [email protected] Sincerely, Applicant Name Roku, Inc. Applicant Printed Name Robert Curtis Applicant Signature Robert Curtis (Apr 12, 2024 10:07 CDT) Robert Curtis FCC package for Brewster (Part 1/2) Final Audit Report2024-04-12 Created:2024-04-12 By:Joseph Kwong ([email protected]) Status:Signed Transaction ID:CBJCHBCAABAAktqBI59TYk3IHOkK2S3111R71TGochEZ "FCC package for Brewster (Part 1/2)" History Document created by Joseph Kwong ([email protected]) 2024-04-12 - 3:04:35 PM GMT Document emailed to Robert Curtis ([email protected]) for signature 2024-04-12 - 3:04:39 PM GMT Email viewed by Robert Curtis ([email protected]) 2024-04-12 - 3:05:51 PM GMT Document e-signed by Robert Curtis ([email protected]) Signature Date: 2024-04-12 - 3:07:22 PM GMT - Time Source: server Agreement completed. 2024-04-12 - 3:07:22 PM GMT

QA-FR-170-B 7/29/2014 Roku, Inc. 1173 Coleman Ave. San Jose, CA 95110 USA FCC Authorization 04/12/2024 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization for FCC ID: TC2-R1050 To whom it may concern: We Roku, Inc., the undersigned, Hereby authorizes Bay Area Compliance Laboratories Corp. to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Bay Area Compliance Laboratories Corp. on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Robert Curtis, VP Engineering [email protected] (707) 365-0353 Roku, Inc. 1173 Coleman Ave San Jose, CA 95110, United States Robert Curtis (Apr 12, 2024 10:07 CDT) Robert Curtis FCC package for Brewster (Part 1/2) Final Audit Report2024-04-12 Created:2024-04-12 By:Joseph Kwong ([email protected]) Status:Signed Transaction ID:CBJCHBCAABAAktqBI59TYk3IHOkK2S3111R71TGochEZ "FCC package for Brewster (Part 1/2)" History Document created by Joseph Kwong ([email protected]) 2024-04-12 - 3:04:35 PM GMT Document emailed to Robert Curtis ([email protected]) for signature 2024-04-12 - 3:04:39 PM GMT Email viewed by Robert Curtis ([email protected]) 2024-04-12 - 3:05:51 PM GMT Document e-signed by Robert Curtis ([email protected]) Signature Date: 2024-04-12 - 3:07:22 PM GMT - Time Source: server Agreement completed. 2024-04-12 - 3:07:22 PM GMT

Roku, Inc. 1173 Coleman Ave. San Jose, CA 95110 USA QA-FR-172-A FCC Confidential Authorization 04/12/2024 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: TC2-R1050 In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, Roku, Inc. hereby requests long-term confidential treatment of information accompanying this application as outlined below: •Block Diagram •Schematics •Operation Description •U-NII Software Security Declaration Letter As well as short-term confidential treatment of information accompanying this application as outlined below: •Internal Photos •User’s Manual •External Photos •Test Set-up Photos The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely, Robert Curtis, VP Engineering [email protected] (707) 365-0353 Roku, Inc. 1173 Coleman Ave San Jose, CA 95110, United States Robert Curtis (Apr 12, 2024 10:07 CDT) Robert Curtis FCC package for Brewster (Part 1/2) Final Audit Report2024-04-12 Created:2024-04-12 By:Joseph Kwong ([email protected]) Status:Signed Transaction ID:CBJCHBCAABAAktqBI59TYk3IHOkK2S3111R71TGochEZ "FCC package for Brewster (Part 1/2)" History Document created by Joseph Kwong ([email protected]) 2024-04-12 - 3:04:35 PM GMT Document emailed to Robert Curtis ([email protected]) for signature 2024-04-12 - 3:04:39 PM GMT Email viewed by Robert Curtis ([email protected]) 2024-04-12 - 3:05:51 PM GMT Document e-signed by Robert Curtis ([email protected]) Signature Date: 2024-04-12 - 3:07:22 PM GMT - Time Source: server Agreement completed. 2024-04-12 - 3:07:22 PM GMT

Label and Label Location Device Bottom View Mod: 4850X IC: 5959A-R1048 FCC ID: TC2-R1050

Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 15 of 55 FCC Part 15C/ISEDC RSS-247 Test Report 5 FCC §2.1091, §15.247(i) & ISEDC RSS-102 - RF Exposure 5.1 Applicable Standards 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. According to KDB 447 498 Section (7.2), “simultaneous transmission of MPE test exclusion applies when the sum of the MPE ratios for all simultaneous transmitting antennas incorporated in a host device, based on calculated or measured field strengths or power density, is ≤ 1.0. The MPE ratio of each antenna is determined at the minimum test separation distance required by the operating configurations and exposure conditions of the host device, according to the ratio of field strengths or power density to MPE limit, at the test frequency. Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Averaging Time (minutes) Limits for General Population/Uncontrolled Exposure 0.3-1.34 614 1.63 * (100) 30 1.34-30 824/f 2.19/f * (180/f 2 ) 30 30-300 27.5 0.073 0.2 30 300-1500 / / f/1500 30 1500-100,000 / / 1.0 30 Where: f = frequency in MHz * = Plane-wave equivalent power density Before equipment certification is granted, the procedure of IC RSS-102 must be followed concerning the exposure of humans to RF field. Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 16 of 55 FCC Part 15C/ISEDC RSS-247 Test Report According to ISED RSS-102 Issue 5: 5.2 MPE Prediction Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 S = PG/4R² 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 Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 17 of 55 FCC Part 15C/ISEDC RSS-247 Test Report 5.3 RF exposure evaluation for FCC Worst Case: BLE, 2402 MHz Maximum output power at antenna input terminal (dBm): 12.99 Maximum output power at antenna input terminal (mW): 19.9 Prediction distance (cm): 20 Prediction frequency (MHz): 2402 Maximum Directional Antenna Gain, typical (dBi): 2.6 Maximum Antenna Gain (numeric): 1.82 Power density of prediction frequency at 20.0 cm (mW/cm 2 ): 0.007 FCC MPE limit for uncontrolled exposure at prediction frequency (mW/cm 2 ): 1.0 The device is compliant with the requirement FCC MPE limit for uncontrolled exposure. The maximum power density at the distance of 20cm is 0.007 mW/cm 2 . Limit is 1.0 mW/cm 2 . Worst case colocation: BT ratio + 5Wifi ratio. 0.007/1 +0.16/1 = 0.167 < 1 Worst case colocation: BT ratio + 2.4Wifi ratio. 0.007/1 +0.14/1 = 0.147 < 1 5.4 RF exposure evaluation exemption for IC Worst Case: 2402MHz frequency used for formula Maximum EIRP power = 12.99dBm + 2.6 dBi = 15.59 dBm which is less than 1.31×10 -2 f 0.6834 = 2.68 W = 34.3 dBm Therefore the RF exposure Evaluation is not required.

Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 1 of 4 FCC Part 15C/ISEDC RSS-247 Test Report Annex A - Emission Bandwidth Naming Convention: Channel_(Low, Mid, High)_Frequency_(MHz)_Modulation_Measurement (-6dB, 99 percent) High Ch_2480MHz_8DPSK_Occupied Bandwidth_- 20dB High Ch_2480MHz_8DPSK_Occupied Bandwidth_99 percent High Ch_2480MHz_GFSK_Occupied Bandwidth_- 20dB High Ch_2480MHz_GFSK_Occupied Bandwidth_99 percent Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 2 of 4 FCC Part 15C/ISEDC RSS-247 Test Report High Ch_2480MHz_Pi_4DQPSK_Occupied Bandwidth_-20dB High Ch_2480MHz_Pi_4DQPSK_Occupied Bandwidth_99 percent Low Ch_2402MHz_8DPSK_Occupied Bandwidth_- 20dB Low Ch_2402MHz_8DPSK_Occupied Bandwidth_99 percent Low Ch_2402MHz_GFSK_Occupied Bandwidth_- 20dB Low Ch_2402MHz_GFSK_Occupied Bandwidth_99 percent Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 3 of 4 FCC Part 15C/ISEDC RSS-247 Test Report Low Ch_2402MHz_Pi_4DQPSK_Occupied Bandwidth_-20dB Low Ch_2402MHz_Pi_4DQPSK_Occupied Bandwidth_99 percent Mid Ch_2441MHz_8DPSK_Occupied Bandwidth_- 20dB Mid Ch_2441MHz_8DPSK_Occupied Bandwidth_99 percent Mid Ch_2441MHz_GFSK_Occupied Bandwidth_- 20dB Mid Ch_2441MHz_GFSK_Occupied Bandwidth_99 percent Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 4 of 4 FCC Part 15C/ISEDC RSS-247 Test Report Mid Ch_2441MHz_Pi_4DQPSK_Occupied Bandwidth_-20dB Mid Ch_2441MHz_Pi_4DQPSK_Occupied Bandwidth_99 percent

Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 1 of 2 FCC Part 15C/ISEDC RSS-247 Test Report Annex B - Output Power Naming Convention: Channel (Low, Mid, High)_Frequency (MHz)_Modulation_ Measurement_(Output Power) High Ch_2480MHz_8DPSK_Output Power High Ch_2480MHz_GFSK_Output Power High Ch_2480MHz_Pi_4DQPSK_Output Power Low Ch_2402MHz_8DPSK_Output Power Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 2 of 2 FCC Part 15C/ISEDC RSS-247 Test Report Low Ch_2402MHz_GFSK_Output Power Low Ch_2402MHz_Pi_4DQPSK_Output Power Mid Ch_2441MHz_8DPSK_Output Power Mid Ch_2441MHz_GFSK_Output Power Mid Ch_2441MHz_Pi_4DQPSK_Output Power

Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 1 of 4 FCC Part 15C/ISEDC RSS-247 Test Report Annec C - Band Edges Naming Convention Frequency (MHz)_Modulation (GFSK, Pi_4DQPSK, 8DPSK)_Measurement Type (15.209, -20dBC) Measurement (Upper Band Edge, Lower Band Edge) Note for 15.209 measurements: below measurements are in units of dBuV/m at 3meters. These measurements are performed conducted in lieu of radiated as permitted by ANSI C63.10-2013. The following formula was used in making such conversions: Above 1GHz: E[dBμV/m] = EIRP[dBm] - 20 log (d[m]) + 104.77, where E is field strength and d is distance at which the field strength limit is specified in the applicable requirements. E[dBμV/m] = EIRP[dBm] + 95.2, for d = 3 m. Straight conversion between E[dBuV/m] and EIRP[dBm} = 107. Thus offset for dBuV/m at 3meters is 95.2-107+antenna gain. Below 1GHz: above is true in addition to adding ground plane contribution of 4.7dB. thus offset for dBuV/m at 3meters is 95.2-107+4.7+antenna gain. 2480MHz_8DPSK_-20dBc_Upper Band Edge 2480MHz_8DPSK_15.209_Upper Band Edge Peak Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 2 of 4 FCC Part 15C/ISEDC RSS-247 Test Report 2480MHz_GFSK_-20dBc_Upper Band Edge 2480MHz_GFSK_15.209_Upper Band Edge Peak 2480MHz_Pi_4DQPSK_-20dBc_Upper Band Edge 2480MHz_Pi_4DQPSK_15.209_Upper Band Edge Peak Hopping Mode Lower Band Edge 8DPSK.gif Hopping Mode Lower Band Edge GFSK.gif Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 3 of 4 FCC Part 15C/ISEDC RSS-247 Test Report Hopping Mode Lower Band Edge Pi_4-DQPSK.gif Hopping Mode Upper Band Edge 8DPSK.gif Hopping Mode Upper Band Edge GFSK.gif Hopping Mode Upper Band Edge Pi_4-DQPSK.gif 2402MHz_8DPSK_-20dBc_Lower Band Edge 2402MHz_8DPSK_15.209_Lower Band Edge Peak Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 4 of 4 FCC Part 15C/ISEDC RSS-247 Test Report 2402MHz_GFSK_-20dBc_Lower Band Edge 2402MHz_GFSK_15.209_Lower Band Edge Peak 2402MHz_Pi_4DQPSK_-20dBc_Lower Band Edge 2402MHz_Pi_4DQPSK_15.209_Lower Band Edge Peak

Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 1 of 6 FCC Part 15C/ISEDC RSS-247 Test Report Annex D - Dwell Time Naming Convention Chanel (Low, Middle, High) Measurement (Dwell Time) Modulation (DH1, 2DH1, 3DH1, DH3, 2DH3, 3DH3, DH5, 2DH5, 3DH5) High Channel Dwell Time 2DH1 High Channel Dwell Time 2DH3 High Channel Dwell Time 2DH5 High Channel Dwell Time 3DH1 Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 2 of 6 FCC Part 15C/ISEDC RSS-247 Test Report High Channel Dwell Time 3DH3 High Channel Dwell Time 3DH5 High Channel Dwell Time DH1 High Channel Dwell Time DH3 High Channel Dwell Time DH5 Low Channel Dwell Time 2DH1 Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 3 of 6 FCC Part 15C/ISEDC RSS-247 Test Report Low Channel Dwell Time 2DH3 Low Channel Dwell Time 2DH5 Low Channel Dwell Time 3DH1 Low Channel Dwell Time 3DH3 Low Channel Dwell Time 3DH5 Low Channel Dwell Time DH1 Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 4 of 6 FCC Part 15C/ISEDC RSS-247 Test Report Low Channel Dwell Time DH3 Low Channel Dwell Time DH5 Middle Channel Dwell Time 2DH1 Middle Channel Dwell Time 2DH3 Middle Channel Dwell Time 2DH5 Middle Channel Dwell Time 3DH1 Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 5 of 6 FCC Part 15C/ISEDC RSS-247 Test Report Middle Channel Dwell Time 3DH3 Middle Channel Dwell Time 3DH5 Middle Channel Dwell Time DH1 Middle Channel Dwell Time DH3 Middle Channel Dwell Time DH5 Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 6 of 6 FCC Part 15C/ISEDC RSS-247 Test Report

Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 1 of 1 FCC Part 15C/ISEDC RSS-247 Test Report Annex E - Number of Hopping Channels Naming Convention Measurement (Number of Hopping Channel) Modulation (DH1, 2DH1, 3DH1) Number of Hopping Channel DH1 Number of Hopping Channel 2DH1 Number of Hopping Channel 3DH1

Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 1 of 2 FCC Part 15C/ISEDC RSS-247 Test Report Annex F - Hopping Channel Separation Naming Convention Chanel (Low, Middle, High) Measurement (Channel Separation) Modulation (DH1, 2DH1, 3DH1) High Channel Separation DH1 High Channel Separation 2DH1 High Channel Separation 3DH1 Low Channel Separation DH1 Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 2 of 2 FCC Part 15C/ISEDC RSS-247 Test Report Low Channel Separation 2DH1 Low Channel Separation 3DH1 Middle Channel Separation DH1 Middle Channel Separation 2DH1 Middle Channel Separation 3DH1

Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 1 of 4 FCC Part 15C/ISEDC RSS-247 Test Report Annex G -20dBc [Naming Convention: Channel_(Low, Mid, High)_Frequency (MHz)_Modulation_Measurement (Frequency Range, Band Edge) High Ch_2480MHz_8DPSK_-20dBc_10-26GHz High Ch_2480MHz_8DPSK_-20dBc_30MHz-10GHz High Ch_2480MHz_GFSK_-20dBc_10-26GHz High Ch_2480MHz_GFSK_-20dBc_30MHz-10GHz Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 2 of 4 FCC Part 15C/ISEDC RSS-247 Test Report High Ch_2480MHz_Pi_4DQPSK_-20dBc_10-26GHz High Ch_2480MHz_Pi_4DQPSK_-20dBc_30MHz- 10GHz Low Ch_2402MHz_8DPSK_-20dBc_10-26GHz Low Ch_2402MHz_8DPSK_-20dBc_30MHz-10GHz Low Ch_2402MHz_GFSK_-20dBc_10-26GHz Low Ch_2402MHz_GFSK_-20dBc_30MHz-10GHz Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 3 of 4 FCC Part 15C/ISEDC RSS-247 Test Report Low Ch_2402MHz_Pi_4DQPSK_-20dBc_10-26GHz Low Ch_2402MHz_Pi_4DQPSK_-20dBc_30MHz- 10GHz Mid Ch_2441MHz_8DPSK_-20dBc_10-26GHz Mid Ch_2441MHz_8DPSK_-20dBc_30MHz-10GHz Mid Ch_2441MHz_GFSK_-20dBc_10-26GHz Mid Ch_2441MHz_GFSK_-20dBc_30MHz-10GHz Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 4 of 4 FCC Part 15C/ISEDC RSS-247 Test Report Mid Ch_2441MHz_Pi_4DQPSK_-20dBc_10-26GHz Mid Ch_2441MHz_Pi_4DQPSK_-20dBc_30MHz- 10GHz

Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 1 of 6 FCC Part 15C/ISEDC RSS-247 Test Report Annex H - 15.209 Naming Convention: Channel (Low, Mid, High) Frequency (MHz)_Modulation_Frequency_Range_Measurement_(Avg, Peak) Note for 15.209 measurements: below measurements are in units of dBuV/m at 3meters. These measurements are performed conducted in lieu of radiated as permitted by ANSI C63.10-2013. The following formula was used in making such conversions: Above 1GHz: E[dBμV/m] = EIRP[dBm] - 20 log (d[m]) + 104.77, where E is field strength and d is distance at which the field strength limit is specified in the applicable requirements. E[dBμV/m] = EIRP[dBm] + 95.2, for d = 3 m. Straight conversion between E[dBuV/m] and EIRP[dBm} = 107. Thus offset for dBuV/m at 3meters is 95.2-107+antenna gain. Below 1GHz: above is true in addition to adding ground plane contribution of 4.7dB. thus offset for dBuV/m at 3meters is 95.2-107+4.7+antenna gain. High Ch_2480MHz_8DPSK_15.209_1-26GHz _Peak High Ch_2480MHz_8DPSK_15.209_1-26GHz avg Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 2 of 6 FCC Part 15C/ISEDC RSS-247 Test Report High Ch_2480MHz_8DPSK_15.209_30- 1000MHz_Peak High Ch_2480MHz_GFSK_15.209_1-26GHz _Peak High Ch_2480MHz_GFSK_15.209_1-26GHz avg High Ch_2480MHz_GFSK_15.209_30- 1000MHz_Peak High Ch_2480MHz_Pi_4DQPSK_15.209_1-26GHz _Peak High Ch_2480MHz_Pi_4DQPSK_15.209_1-26GHz avg Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 3 of 6 FCC Part 15C/ISEDC RSS-247 Test Report High Ch_2480MHz_Pi_4DQPSK_15.209_30- 1000MHz_Peak Low Ch_2402MHz_8DPSK_15.209_1-26GHz _Peak Low Ch_2402MHz_8DPSK_15.209_1-26GHz avg Low Ch_2402MHz_8DPSK_15.209_30- 1000MHz_Peak Low Ch_2402MHz_GFSK_15.209_1-26GHz _Peak Low Ch_2402MHz_GFSK_15.209_1-26GHz avg Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 4 of 6 FCC Part 15C/ISEDC RSS-247 Test Report Low Ch_2402MHz_GFSK_15.209_30- 1000MHz_Peak Low Ch_2402MHz_Pi_4DQPSK_15.209_1-26GHz _Peak Low Ch_2402MHz_Pi_4DQPSK_15.209_1-26GHz avg Low Ch_2402MHz_Pi_4DQPSK_15.209_30- 1000MHz_Peak Mid Ch_2441MHz_8DPSK_15.209_1-26GHz _Peak Mid Ch_2441MHz_8DPSK_15.209_1-26GHz avg Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 5 of 6 FCC Part 15C/ISEDC RSS-247 Test Report Mid Ch_2441MHz_8DPSK_15.209_30- 1000MHz_Peak Mid Ch_2441MHz_GFSK_15.209_1-26GHz _Peak Mid Ch_2441MHz_GFSK_15.209_1-26GHz avg Mid Ch_2441MHz_GFSK_15.209_30- 1000MHz_Peak Mid Ch_2441MHz_Pi_4DQPSK_15.209_1-26GHz _Peak Mid Ch_2441MHz_Pi_4DQPSK_15.209_1-26GHz avg Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 6 of 6 FCC Part 15C/ISEDC RSS-247 Test Report Mid Ch_2441MHz_Pi_4DQPSK_15.209_30- 1000MHz_Peak

Note: This test report is prepared for the customer shown above and for the device described herein. It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. This report must not be used by the customer to claim product certification, approval, or endorsement by A2LA*, NIST, or any agency of the Federal Government. * This report may contain data that are not covered by the A2LA accreditation and are marked with an asterisk “*” (Rev.2) FCC PART 15, SUBPART C ISEDC RSS-247, ISSUE 3, AUGUST 2023 TEST REPORT For Roku, Inc. 1173 Coleman Ave San Jose, CA 95110, USA FCC ID: TC2-R1050 IC: 5959A-R1048 R e p o r t T y p e : O r i g i n a l R e p o r t P r o d u c t T y p e : S t r e a m i n g P l a y e r Prepared By: Libass Thiaw RF Test Engineer Report Number: R2311164-DSS Report Date: 2024-04-16 Reviewed By: Christian McCaig RF Lead Engineer Bay Area Compliance Laboratories Corp. 1274 Anvilwood Avenue, Sunnyvale, CA 94089, USA Tel: (408) 732-9162 Fax: (408) 732-9164 Roku, Inc. FCC ID: TC2-R1050, IC: 5959A-R1048 Report Number: R2311164-DSS Page 2 of 55 FCC Part 15C/ISEDC RSS-247 Test Report TABLE OF CONTENTS 1 General Description ..................................................................................................................................................... 5 1.1 Product Description for Equipment Under Test (EUT) ...................................................................................... 5 1.2 Objective ............................................................................................................................................................. 5 1.3 Related Submittal(s)/Grant(s) ............................................................................................................................. 5 1.4 Test Methodology ............................................................................................................................................... 5 1.5 Measurement Uncertainty ................................................................................................................................... 6 1.6 Test Facility Registrations .................................................................................................................................. 6 1.7 Test Facility Accreditations ................................................................................................................................ 6 2 System Test Configuration.......................................................................................................................................... 9 2.1 Justification ......................................................................................................................................................... 9 2.2 EUT Exercise Software....................................................................................................................................... 9 2.3 Duty Cycle Correction Factor ............................................................................................................................. 9 2.4 Equipment Modifications.................................................................................................................................. 11 2.5 Local Support Equipment ................................................................................................................................. 11 2.6 Support Equipment ........................................................................................................................................... 11 2.7 Interface Ports and Cabling ............................................................................................................................... 11 3 Summary of Test Results ............................................................................................................................................ 12 4 FCC §15.203 & ISEDC RSS-Gen §6.8 - Antenna Requirements ............................................................................ 13 4.1 Applicable Standards ........................................................................................................................................ 13 4.2 Antenna Description ......................................................................................................................................... 14 5 FCC §2.1091, §15.247(i) & ISEDC RSS-102 - RF Exposure .................................................................................... 15 5.1 Applicable Standards ........................................................................................................................................ 15 5.2 MPE Prediction ................................................................................................................................................. 16 5.3 RF exposure evaluation for FCC ...................................................................................................................... 17 5.4 RF exposure evaluation exemption for IC ........................................................................................................ 17 6 FCC §15.207 & ISEDC RSS-Gen §8.8 - AC Line Conducted Emissions ................................................................ 18 6.1 Applicable Standards ........................................................................................................................................ 18 6.2 Test Setup ......................................................................................................................................................... 18 6.3 Test Procedure .................................................................................................................................................. 18 6.4 Corrected Amplitude and Margin Calculation .......................................................................................…

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ϭ NASDAQ:AIRG © Copyright 2019 Air gain, Inc. All Rig hts Reserved. PROPRIETARY AND CONFIDENTIAL | ᶻ㚱␴㛢⭮ , Airgain ㊍㚱妋⅛㕡㟰䇰㛫 NASDAQ:AIRG © Copyright 2021 Airgain, Inc. All Rights Reserved. Roku Brewster Roku DVT2 Antenna Performance Report 2022 -0102 Prepared By: Delroy RebelloDate : 28 th September 2023 NASDAQ:AIRG © Copyright 2021 Airgain, Inc. All Rights Reserved. Table of Contents /ŶƚƌŽĚƵĐƚŝŽŶŶƚĞŶŶĂ^LJƐƚĞŵWƌŽƉŽƐĂůZĞƚƵƌŶ>ŽƐƐĂŶĚ/ƐŽůĂƚŝŽŶŶƚĞŶŶĂĨĨŝĐŝĞŶĐLJĂŶĚWĞĂŬ'ĂŝŶŶƚĞŶŶĂZĂĚŝĂƚŝŽŶWĂƚƚĞƌŶƐŽŶĐůƵƐŝŽŶ NASDAQ:AIRG © Copyright 2021 Airgain, Inc. All Rights Reserved. • ŶŶƚĞŶŶĂ^LJƐƚĞŵĐŽŶĐĞƉƚŝƐƉƌŽƉŽƐĞĚďLJŝƌŐĂŝŶĨŽƌƚŚĞZŽŬƵ ƌĞǁƐƚĞƌ ŝƌŐĂŝŶƌĞĐĞŝǀĞĚĂƵŶŝƚĨƌŽŵZŽŬƵ;ZdͲϭͲϬϭϭκͿ • ŶƚĞŶŶĂĐŽŶĨŝŐƵƌĂƚŝŽŶ ϮdžϮΛtŝ&ŝƵĂůĂŶĚĨŽƌϮ͘κ',njнρ',njϭdžϭΛ^ŝŶŐůĞĂŶĚĨŽƌϮ͘κ',njŝŐĞĞͬ>ͬd,Z;ϯ/KdƉƌŽƚŽĐŽůƐ Ϳ • ůůĂŶƚĞŶŶĂƐĂƌĞWĨĞĞĚƐƚĂŵƉŵĞƚĂůĂŶƚĞŶŶĂǁŝƚŚŵĂƚĐŚŝŶŐĐŝ ƌĐƵŝƚ • dŚŝƐƌĞƉŽƌƚƐŚŽǁƐƉĂƐƐŝǀĞŵĞĂƐƵƌĞĚƌĞƐƵůƚƐĨŽƌĂůůĂŶƚĞŶŶĂƐ Introduction NASDAQ:AIRG © Copyright 2021 Airgain, Inc. All Rights Reserved. Antenna Specification – Passive Requirements ĂƐŝĐWĂƐƐŝǀĞZĞƋƵŝƌĞŵĞŶƚƐ Z>ĨŽƌĞĂĐŚĂŶƚĞŶŶĂƐхϭϬĚ/ƐŽůĂƚŝŽŶ;ĐŽƵƉůŝŶŐďĞƚǁĞĞŶĂůůĂŶƚĞŶŶĂƐͿшϮϬĚ ĨĨŝĐŝĞŶĐLJ;ŝŶĐůƵĚŝŶŐĐĂďůĞůŽƐƐĞƐͿ хςϬй;ĨŽƌϮ͘κ',njďĂŶĚͿхς…

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