NKR-WNXB11ABRBattery backup

Download and open the . 1 2 3 Follo w the easy guided activ ation. Get start ed Be sure your smartphone has data connection. Sign in with your Xfinity ID. Be sure your smartphone has data connection. Sign in with your Xfinity ID. Get peace of mind with a backup battery Need help? Ask Xfinity Assistant Explore accessibility at Learn more about FCC information at xfinity.com/chat xfinity.com/support/accessibility xfinity.com/WifiBackup/FCC Stay reliably connected during power outages by adding the optional battery. Visit xfinity.com/XLEBattery for more information. xxxxxx Federal Communication Commission Interference Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measures: - Reorient or relocate the receiving antenna. - Increase the separation between the equipment and receiver. - Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. - Consult the dealer or an experienced radio/TV technician for help. FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. FOR MOBILE DEVICE USAGE (>20cm/low power) Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.

WISTRON NEWEB CORP 20 Park Avenue II, Hsinchu Science Park, Hsinchu 308, Taiwan, R.O.C. Date: 2022-12-29 FCC ID: NKR-WNXB11ABR To the attention of Federal Communications Commission Authorization and Evaluation Division Permanent Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, the Applicant hereby requests confidential treatment of information accompanying this Application as outlined below: Schematics Block Diagram Operational Description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely yours, ----------------------------------- Lulu Lin / Engineer Wistron NeWeb Corp. Tel: +886-3 666-7799 E-mail: [email protected]

WISTRON NEWEB CORP 20 Park Avenue II, Hsinchu Science Park, Hsinchu 308, Taiwan, R.O.C. Date: 2022-12-29 FCC ID: NKR-WNXB11ABR To the attention of Federal Communications Commission Authorization and Evaluation Division Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the commission’s rules, we request short-term confidential treatment for the following information until 180 days after the Grant Date of Equipment Authorization in order to ensure sensitive business information remains confidential until the actual marketing of the device: External photos Test Setup photos User’s manual Internal Photos Sincerely yours, ----------------------------------- Lulu Lin / Engineer Wistron NeWeb Corp. Tel: +886-3 666-7799 E-mail: [email protected]

WISTRON NEWEB CORP 20 Park Avenue II, Hsinchu Science Park, Hsinchu 308, Taiwan, R.O.C. Date: 2022-12-29 FCC ID: NKR-WNXB11ABR A U T H O R I Z A T I O N L E T T E R To Whom It May Concern: WISTRON NEWEB CORP hereby authorizes Emerald Chen / Specialist of Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch (“BV CPS Taoyuan”), to act on its behalf in all matters relating to the Federal Communication Commission (“FCC”) application for equipment authorization in connection with the FCC ID listed above, including signing of all documents relating to these matters. Any and all acts carried out by Emerald Chen / Specialist of BV CPS Taoyuan on WISTRON NEWEB CORP’s behalf, within the scope of the powers granted herein, shall have the same effect as acts of its own. If you have any questions regarding the authorization, please don’t hesitate to contact us. Sincerely yours, ----------------------------------------------- Lulu Lin / Engineer Wistron NeWeb Corp. Tel: +886-3 666-7799 E-mail: [email protected]

Wistron NeWeb Corporation 20 Park Avenue II, Hsinchu Science Park, Hsinchu 308 Taiwan Power of Attorney Date: 2021/11/9 To Whom It May Concern: I, the undersigned, William Su, hereby authorize the person listed below to act in behalf of me to sign all related documents for Wistron NeWeb Corporation’s FCC application. Barry Chen, [email protected] Yuanwei Lin, [email protected] Eva IM Huang, [email protected] Kelly Tsai, [email protected] Lulu Lin, [email protected] Sincerely, Applicant’s company name : Wistron NeWeb Corporation Applicant’s company address : 20 Park Avenue II, Hsinchu Science Park, Hsinchu 308 Taiwan Signature : Name : William Su Tel : 886-3-6667799 Fax : 886-3-666-7323

Reference No.:BCKS-WTW-P22110808_EXT Page 1/4 CONSTRUCTION PHOTOS OF EUT Reference No.:BCKS-WTW-P22110808_EXT Page 2/4 Reference No.:BCKS-WTW-P22110808_EXT Page 3/4 Reference No.:BCKS-WTW-P22110808_EXT Page 4/4

FCC ID: NKR-WNXB11ABR The label will be permanently affixed and readily visible. Label location Bottom of EUT

Reference No.:BCKS-WTW-P22110808_INT Page 1/7 CONSTRUCTION PHOTOS OF EUT Reference No.:BCKS-WTW-P22110808_INT Page 2/7 Antenna Reference No.:BCKS-WTW-P22110808_INT Page 3/7 Reference No.:BCKS-WTW-P22110808_INT Page 4/7 Reference No.:BCKS-WTW-P22110808_INT Page 5/7 Reference No.:BCKS-WTW-P22110808_INT Page 6/7 Reference No.:BCKS-WTW-P22110808_INT Page 7/7

Report No.: MFBCKS-WTW-P22110808 Page No. 1 / 9 Report Format Version: 7.1.0 Reference No.: BCKS-WTW-P22110808 RF EXPOSURE REPORT CERTIFICATE OF CONFORMITY FCC Rule Part: FCC Part 2 (Section 2.1091) Report No.: MFBCKS-WTW-P22110808 FCC ID: NKR-WNXB11ABR Product: Battery backup Brand: WNC, Comcast, Cox, Charter Model No.: WNXB11ABR Received Date: 2022/11/29 Test Date: 2022/12/23 Issued Date: 2023/1/9 Applicant: Wistron NeWeb Corp. Address: 20 Park Avenue II, Hsinchu Science Park, Hsinchu 308, Taiwan, R.O.C. Issued By: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch Hsin Chu Laboratory Lab Address: E-2, No.1, Li Hsin 1st Road, Hsinchu Science Park, Hsinchu City 300, Taiwan Test Location: E-2, No.1, Li Hsin 1st Road, Hsinchu Science Park, Hsinchu City 300, Taiwan FCC Registration / Designation Number: 723255 / TW2022 Approved by: , Date: 2023/1/9 May Chen / Manager This test report consists of 9 pages in total. It may be duplicated completely for legal use with the approval of the applicant. It should not be reproduced except in full, without the written approval of our laboratory. The test results in the report only apply to the tested sample. The test results in this report are traceable to the national or international standards. Prepared by : Vivian Huang / Specialist This report is governed by, and incorporates by reference, the Conditions of Testing as posted at the date of issuance of this report at http://www.bureauveritas.com/home/about-us/our- business/cps/about-us/terms-conditions/ and is intended for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. Measurement uncertainty is only provided upon request for accredited tests. Statements of conformity are based on simple acceptance criteria without taking measurement uncertainty into account, unless otherwise requested in writing. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence or if you require measurement uncertainty; provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Report No.: MFBCKS-WTW-P22110808 Page No. 2 / 9 Report Format Version: 7.1.0 Reference No.: BCKS-WTW-P22110808 Table of Contents Release Control Record ....................................................................................................................................................... 3 1 Certificate .................................................................................................................................................................... 4 2 Applicable RF Exposure Limit .................................................................................................................................. 5 3 Test Results ................................................................................................................................................................ 7 3.1 RF Exposure ............................................................................................................................................................. 7 4 Conclusion .................................................................................................................................................................. 8 5 Information of the Testing Laboratories .................................................................................................................. 9 Report No.: MFBCKS-WTW-P22110808 Page No. 3 / 9 Report Format Version: 7.1.0 Reference No.: BCKS-WTW-P22110808 Release Control Record Issue No. Description Date Issued MFBCKS-WTW-P22110808 Original release. 2023/1/9 Report No.: MFBCKS-WTW-P22110808 Page No. 4 / 9 Report Format Version: 7.1.0 Reference No.: BCKS-WTW-P22110808 1 Certificate Product: Battery backup Brand: WNC, Comcast, Cox, Charter Test Model: WNXB11ABR Sample Status: Engineering sample Applicant: Wistron NeWeb Corp. Test Date: 2022/12/23 FCC Rule Part: FCC Part 2 (Section 2.1091) Standard: KDB 447498 D04 Interim General RF Exposure Guidance v01 The above equipment has been tested by Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch, and found compliance with the requirement of the above standards. The test record, data evaluation & Equipment Under Test (EUT) configurations represented herein are true and accurate accounts of the measurements of the sample’s RF characteristics under the conditions specified in this report. Report No.: MFBCKS-WTW-P22110808 Page No. 5 / 9 Report Format Version: 7.1.0 Reference No.: BCKS-WTW-P22110808 2 Applicable RF Exposure Limit § 1.1310 Radiofrequency radiation exposure limits. (a) Specific absorption rate (SAR) shall be used to evaluate the environmental impact of human exposure to radiofrequency (RF) radiation as specified in § 1.1307(b) of this part within the frequency range of 100 kHz to 6 GHz (inclusive). (b) The SAR limits for occupational/controlled exposure are 0.4 W/kg, as averaged over the whole body, and a peak spatialaverage SAR of 8 W/kg, averaged over any 1 gram of tissue (defined as a tissue volume in the shape of a cube). Exceptions are the parts of the human body treated as …

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□Normal □Internal Use ■Confidential □Restricted Confidential XBBBLEAntenna Test Report Provided byChikang Su 2 □Normal □Internal Use ■Confidential □Restricted Confidential Content -General Information -Test Setup -Diagram -Instrument -Procedure -Test Result -Summary -BLE 3 □Normal □Internal Use ■Confidential □Restricted Confidential General Information Model: WNXB11ABR Antenna Information: •Brand: WNC •Antenna Type: •BLEAntenna:PIFA, Printed on board •Test Date/ Member/ Address •Date: 2022/10/03 •Member: Chikang Su •20 Park Avenue II, Hsinchu Science Park, Hsinchu 308,Taiwan, R.O.C. 4 □Normal □Internal Use ■Confidential □Restricted Confidential Test Setup Diagram SG 64 uses analog RF signal generators to emit EM waves from the probe array to the antenna under test (AUT) or vice versa. It uses the NPAC as an RF receiver for antenna measurements. The NPAC also drives the electronic scanning of the probe array. The NPAC includes the fastest and most accurate sources and receivers on the market. 5 □Normal □Internal Use ■Confidential □Restricted Confidential Equipment ItemDeviceType/ModelSerial#Manufacturer 1SG64 ChamberStandardSG64MVG 2Turn TableCustomization-Machinery Dept. 3New Probe Array ControllerN/A1102341-4535MVG 4Power Supply UnitN/A1103211-13204MVG 5ActivveSwitching UnitN/A1102347-7214MVG 6TX Amplification UnitN/A1102527-5909MVG 7RX Amplification UnitN/A1102536-3823MVG 8Transfer Swittching UnitN/A1102183-3351MVG 9Mixer UnitN/A1102545-7208MVG 10Power And Control UnitN/A1102706-7209MVG 11Antenna ProbeDP 400-6000 -MVG 12Cable 13.7m -400MHz to 18GHzSS40200100A1F5A1XXSWoken 13Temperature & Humidity MeterHTC-01-Metravi Note: 1.Satimoruns annual maintenance on the WNC's SG64 Chamber, including all equipment on the list, and completed this round of maintenance in June. 2.There are 63 set ANT probes in WNC’s SG64 Chamber. 6 □Normal □Internal Use ■Confidential □Restricted Confidential Test Setup and Procedure Z X Y Z X Y •Place the device at the center of the chamber. •Connect the antenna cable to RF cable of the chamber •Run Satimotest SW (NPAC Spherical Measurement, v1.5.4 (GIT-E6965664)) •Get 3D data in 2.8125 degree step from phi 0°~360°and theta -90°~ +90°, including efficiency, peak gain, 2D & 3D radiation pattern. •This is far field test for XBBBLEantenna verification. •This is passive measurement, which means the device is off and not in any operating mode. 7 □Normal □Internal Use ■Confidential □Restricted Confidential Summary BLE AntennaEfficiencyPeak Gain (dBi) 2400MHz 36% 0.9 2450MHz 49% 1.5 2480MHz 47% 1.6 Antenna pattern is on back side For Gain/ Efficiency Measurement Step1 Remove Components Step2 Soldering RF Cable BLE Antenna PCBA 8 □Normal □Internal Use ■Confidential □Restricted Confidential Efficiency and Peak Gain for BLE Antenna EfficiencyPeak Gain 9 □Normal □Internal Use ■Confidential □Restricted Confidential Radiation Pattern for BLE Antenna @ 2450MHz XBB-BLEXBB-BLEXBB-BLE 10 □Normal □Internal Use ■Confidential □Restricted Confidential Heat Map for BLE Antenna@2450MHz

Report No.: RFBCKS-WTW-P22110808 Page No. 1 / 49 Report Format Version: 7.1.0 Reference No.: BCKS-WTW-P22110808 TEST REPORT CERTIFICATE OF CONFORMITY Standard: 47 CFR FCC Part 15, Subpart C (Section 15.247) Report No.: RFBCKS-WTW-P22110808 FCC ID: NKR-WNXB11ABR Product: Battery backup Brand: WNC, Comcast, Cox, Charter Model No.: WNXB11ABR Received Date: 2022/11/29 Test Date: 2022/12/7 ~ 2022/12/15 Issued Date: 2023/1/9 Applicant: Wistron NeWeb Corp. Address: 20 Park Avenue II, Hsinchu Science Park, Hsinchu 308, Taiwan, R.O.C. Issued By: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch Hsin Chu Laboratory Lab Address: E-2, No.1, Li Hsin 1st Road, Hsinchu Science Park, Hsinchu City 300, Taiwan Test Location: E-2, No.1, Li Hsin 1st Road, Hsinchu Science Park, Hsinchu City 300, Taiwan FCC Registration / Designation Number: 723255 / TW2022 Approved by: , Date: 2023/1/9 May Chen / Manager This test report consists of 49 pages in total. It may be duplicated completely for legal use with the approval of the applicant. It should not be reproduced except in full, without the written approval of our laboratory. The test results in the report only apply to the tested sample. The test results in this report are traceable to the national or international standards. Prepared by : Vivian Huang / Specialist This report is governed by, and incorporates by reference, the Conditions of Testing as posted at the date of issuance of this report at http://www.bureauveritas.com/home/about-us/our- business/cps/about-us/terms-conditions/ and is intended for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. Measurement uncertainty is only provided upon request for accredited tests. Statements of conformity are based on simple acceptance criteria without taking measurement uncertainty into account, unless otherwise requested in writing. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence or if you require measurement uncertainty; provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Report No.: RFBCKS-WTW-P22110808 Page No. 2 / 49 Report Format Version: 7.1.0 Reference No.: BCKS-WTW-P22110808 Table of Contents Release Control Record ....................................................................................................................................................... 4 1 Certificate .................................................................................................................................................................... 5 2 Summary of Test Results .......................................................................................................................................... 6 2.1 Measurement Uncertainty ........................................................................................................................................ 6 2.2 Supplementary Information ...................................................................................................................................... 6 3 General Information ................................................................................................................................................... 7 3.1 General Description .................................................................................................................................................. 7 3.2 Antenna Description of EUT ..................................................................................................................................... 8 3.3 Channel List .............................................................................................................................................................. 9 3.4 Test Mode Applicability and Tested Channel Detail ................................................................................................ 10 3.5 Duty Cycle of Test Signal........................................................................................................................................ 11 3.6 Test Program Used and Operation Descriptions .................................................................................................... 12 3.7 Connection Diagram of EUT and Peripheral Devices ............................................................................................ 12 3.8 Configuration of Peripheral Devices and Cable Connections ................................................................................ 13 4 Test Instruments ...................................................................................................................................................... 14 4.1 RF Output Power .................................................................................................................................................... 14 4.2 Power Spectral Density .......................................................................................................................................... 14 4.3 6 dB Bandwidth .............................................................................…

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Reference No.: BCKS-WTW-P22110808-TSup Page 1/4 PHOTOGRAPHS OF THE TEST CONFIGURATION AC Power Conducted Emissions Reference No.: BCKS-WTW-P22110808-TSup Page 2/4 Unwanted Emissions below 1 GHz Reference No.: BCKS-WTW-P22110808-TSup Page 3/4 Unwanted Emissions above 1 GHz Reference No.: BCKS-WTW-P22110808-TSup Page 4/4