RX3-WBU053LGABT802.11a/b/g/n 2T2R with Bluetooth combo wireless module

October 29, 2020 802.11a/b/g/n 2T2R with Bluetooth combo wireless module Approved: Approved: Prepared by: Zeke Wu Ben Ho Kevin Yao Senior Director Supervisor Engineer WBU053-LGABT Product Specification October 29, 2020 1 Revision History Date Version Approver Comments October 7, 2020 1.0 Kevin Yao Initial Released October 29, 2020 1.1 Cathy Kuo Updated Page 11, 12, 14 BT Power range RESTRICTED AND CONFIDENTIAL INFORMATION STATEMENT All information contained in this document is the exclusive property of Foxconn Technology Inc. and its development partners. Any reproduction or disclosure of all or part of this document without the expressed written consent of Foxconn Technology Inc. is strictly prohibited. October 29, 2020 2 CHAPTER 1. MODULE OVERVIEW WBU053-LGABT is highly integrated module which features a low power 2x2 11 a/b/g/n dual-band Wi-Fi subsystem and a Bluetooth subsystem. The Wi-Fi subsystem contains the 802.11 a/b/g/n radio, baseband, and MAC that are designed to meet both the low power and high throughput application. WBU053-LGABT has a 32-bit RISC MCU that handles Wi-Fi and Bluetooth tasks, and an ARM Cortex-R4 MCU that could offload data frame processing in Wi-Fi host driver. The Bluetooth subsystem contains the Bluetooth radio, baseband, link controller. It also uses the 32-bit RISC MCU for the Bluetooth protocols. 1-1 Key Characteristic  32-bits RISC MCU for Wi-Fi protocols  IEEE 802.11 a/b/g/n compliant  Support 20MHz, 40MHz in 2.4GHz band 5GHz band  Dual-band 2T2R mode with data rate up to 240Mbps  Integrated LNA, PA, and T/R switch  Security support for WFA WPA/WPA2 personal, WPS2.0, WAPI  Integrated BALUN and PA  USB device fully compliant to USB v3.0 specification  Bluetooth specification 2.1+EDR  Bluetooth 4.2 Low Energy (LE)  Bluetooth 5.0 October 29, 2020 3 1-2 Pin Definition Figure 1 Pin Definitions (Module Top View) Pin numberSymbol nameTypePin description 1VBUSPowerDC 3.3V 2VBUSPowerDC 3.3V 3U2D-I/OUSB data - 4U2D+I/OUSB data + 5GNDGNDGround 6PMU_ENI/Oreset 7WIFI_INT_BI/OWi-Fi_wake on 8GNDGNDGround 9BGF_INT_BI/OBT_wake on 10-14GNDGNDGround Table 1 Pin Definitions 1 2 3 4 5 6 7 8 10 9 11 12 14 13 October 29, 2020 4 1-3 Power Sequence Figure 2 Power Sequence October 29, 2020 5 1-4 Soldering Specification Temperature Figure 3 Soldering Specification October 29, 2020 6 CHAPTER 2. ELECTRICAL AND RF SPECIFICATION 2-1 Recommended Operation Rating Condition Min Typ. Max. Unit VDD 3 3.3 3 3.6 V RF Interface Zo 50 Ohm Table 2 Operation Rating 2-2 Power Consumption Description Typical Unit IDLE 65 mA 2G/2T- N mode HT 40MHz MCS 7 128 mA 2G/2T- N mode HT 20MHz MCS 7 147 mA 2G/2T- G mode OFDM54M 158 mA 2G/2T- B mode CCK11M 237 mA 5G/2T- N mode HT 40MHz MCS 7 160 mA 5G/2T- N mode HT 20MHz MCS 7 180 mA 5G/2T- A mode OFDM54M 205 mA 2G/2R- N mode HT 40MHz MCS 7 78 mA 2G/2R- N mode HT 20MHz MCS 7 75 mA 2G/2R- G mode OFDM54M 76 mA 2G/2R- B mode CCK11M 75 mA 5G/2R- N mode HT 40MHz MCS 7 83 mA 5G/2R- N mode HT 20MHz MCS 7 79 mA 5G/2R- A mode OFDM54M 79 mA Table 3 Power Consumption October 29, 2020 7 2-3 WiFi RF Specification – TX Table 4 IEEE 802.11 b/g/n TX Output Power (WLAN0&WLAN1) Data Rate (Mbps) Modulation Tx Typical Power (dBm) Data Rate (Mbps) Modulation Tx Typical Power (dBm) 1 DBPSK 12.5 HT20-MCS0 BPSK 11 2 DQPSK 12.5 HT20-MCS1 BPSK 11 5.5 CCK 12.5 HT20-MCS2 QPSK 11 11 CCK 12.5 HT20-MCS3 QPSK 11 6 OFDM 11.5 HT20-MCS4 16-QAM 11 9 OFDM 11.5 HT20-MCS5 16-QAM 11 12 OFDM 11.5 HT20-MCS6 64-QAM 11 18 OFDM 11.5 HT20-MCS7 64-QAM 11 24 OFDM 11.5 HT40-MCS0 BPSK 8 36 OFDM 11.5 HT40-MCS1 QPSK 8 48 OFDM 11.5 HT40-MCS2 QPSK 8 54 OFDM 11.5 HT40-MCS3 16-QAM 8 HT40-MCS4 16-QAM 8 HT40-MCS5 64-QAM 8 HT40-MCS6 64-QAM 8 HT40-MCS7 64-QAM 8 Tolerance: +/-2dBm ※Total Max. Power = WLAN0 Max. Power + WLAN1 Max. Power + 3dBm October 29, 2020 8 Table 5 IEEE 802.11 a/n TX Output Power (WLAN0&WLAN1) Data Rate (Mbps) Modulation Tx Typical Power (dBm) Data Rate (Mbps) Modulation Tx Typical Power (dBm) 6 OFDM 8 HT20-MCS0 BPSK 8 9 OFDM 8 HT20-MCS1 BPSK 8 12 OFDM 8 HT20-MCS2 QPSK 8 18 OFDM 8 HT20-MCS3 QPSK 8 24 OFDM 8 HT20-MCS4 16-QAM 8 36 OFDM 8 HT20-MCS5 16-QAM 8 48 OFDM 8 HT20-MCS6 64-QAM 8 54 OFDM 8 HT20-MCS7 64-QAM 8 HT40-MCS0 BPSK 10 HT40-MCS1 QPSK 10 HT40-MCS2 QPSK 10 HT40-MCS3 16-QAM 10 HT40-MCS4 16-QAM 10 HT40-MCS5 64-QAM 10 HT40-MCS6 64-QAM 10 HT40-MCS7 64-QAM 10 Tolerance: +/-2dBm ※Total Max. Power = WLAN0 Max. Power + WLAN1 Max. Power + 3dBm October 29, 2020 9 2-4 WiFi RF Specification – RX Table 6 IEEE 802.11 b/g/n RX Sensitivity (WLAN0&WLAN1) Data Rate (Mbps) Modulation Rx Sensitivity (dBm) Data Rate (Mbps) Modulation Rx Sensitivity (dBm) Max. Typ. Max. Typ. 1 DBPSK -83 -92 HT20-MCS0 BPSK -82 -89 2 DQPSK -80 -89 HT20-MCS1 QPSK -79 -86 5.5 CCK -79 -87 HT20-MCS2 QPSK -77 -83 11 CCK -76 -84 HT20-MCS3 16-QAM -74 -80 6 OFDM -85 -89 HT20-MCS4 16-QAM -70 -77 9 OFDM -84 -87 HT20-MCS5 64-QAM -66 -72 12 OFDM -82 -86 HT20-MCS6 64-QAM -65 -71 18 OFDM -80 -84 HT20-MCS7 64-QAM -64 -70 24 OFDM -77 -80 HT40-MCS0 BPSK -79 -86 36 OFDM -73 -77 HT40-MCS1 QPSK -76 -82 48 OFDM -69 -73 HT40-MCS2 QPSK -74 -80 54 OFDM -68 -71 HT40-MCS3 16-QAM -71 -77 HT40-MCS4 16-QAM -67 -73 HT40-MCS5 64-QAM -63 -69 HT40-MCS6 64-QAM -62 -68 HT40-MCS7 64-QAM -61 -67 October 29, 2020 10 Table 7 IEEE 802.11 a/n RX Sensitivity (WLAN0&WLAN1)) Data Rate (Mbps) Modulation Rx Sensitivity (dBm) Data Rate (Mbps) Modulation Rx Sensitivity (dBm) Max. Typ. Max. Typ. 6 OFDM -85 -90 HT20-MCS0 BPSK -82 -90 9 OFDM -84 -88 HT20-MCS1 QPSK -79 -87 12 OFDM -82 -87 HT20-MCS2 QPSK -77 -85 18 OFDM -80 -85 HT20-MCS3 16-QAM -74 -81 24 OFDM -77 -82 HT20-MCS4 16-QAM -70 -78 36 OFDM -73 -78 HT20-MCS5 64-QAM -66 -74 48 OFDM -69 -74 HT20-MCS6 64-QAM -65 -72 54 OFDM -68 -73 HT20-MCS7 64-QAM -64 -71 HT40-MCS0 BPSK -79 -87 HT40-MCS1 QPSK -76 -84 HT40-MCS2 QPSK -74 -82 HT40-MCS3 16-QAM -71 -79 HT40-MCS4 16-QAM -67 -75 HT40-MCS5 64-QAM -63 -71 HT40-MCS6 64-QAM -62 -70 HT40-MCS7 64-QAM -61 -68 October 29, 2020 11 2-5 Bluetooth RF Specification Parameter Condit…

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SCS-F18: Project and Product Certification Representative Authorization Letter Page 1 of 1 Rev 6.0 November 12, 2020 To: BVCPS, INC. 775 Montague Expressway, Milpitas, CA 95035 USA Dear Sir/Madam, Re: Product Certification Representative Authorization Letter We, Hon Hai Precision Industry Co., Ltd. hereby authorize Bureau Veritas Consumer Product Services, Inc. to act as a Certification Body for certifying for the following project(s): FCC ID: RX3-WBU053LGABT Product Description: 802.11a/b/g/n 2T2R with Bluetooth combo wireless module Model: WBU053-LGABT Sincerely, Name: Cathy Kuo / Title: Compliance Supervisor Hon Hai Precision Industry Co., Ltd. Tel: +886-2-2268-3466 Fax: +886-3-270-0001 E-mail: [email protected] / [email protected]

SCS-F19: Confidentiality Request Letter Page 1 of 1 Rev 6.0 November 12, 2020 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD Subject: Permanent Confidentiality Request for FCC ID: RX3-WBU053LGABT Pursuant to sections 0.457 and 0.459 of CFR 47, we respectfully request permanent confidential treatment of the following Exhibits accompanying this application as: Block Diagram Schematics Operational Description Software Operating Description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Name: Cathy Kuo / Title: Compliance Supervisor Tel: +886-2-2268-3466 Fax: +886-3-270-0001 E-mail: [email protected] / [email protected]

Date: November 12, 2020 FCC ID: RX3-WBU053LGABT A U T H O R I Z A T I O N L E T T E R To Whom It May Concern: Hon Hai Precision Industry Co., Ltd. hereby authorizes Debby Lin/ Senior 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 Debby Lin/ Senior Specialist of BV CPS Taoyuan on Hon Hai Precision Industry Co., Ltd.’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, ----------------------------------- Name: Cathy Kuo / Title: Compliance Supervisor Tel: +886-2-2268-3466 Fax: +886-3-270-0001 E-mail: [email protected] / [email protected]

Reference No.: BGTL-WTW-P20100274-1 Page 1/6 CONSTRUCTION PHOTOS OF EUT Reference No.: BGTL-WTW-P20100274-1 Page 2/6 Reference No.: BGTL-WTW-P20100274-1 Page 3/6 Reference No.: BGTL-WTW-P20100274-1 Page 4/6 Reference No.: BGTL-WTW-P20100274-1 Page 5/6 Reference No.: BGTL-WTW-P20100274-1 Page 6/6

FCC ID : RX3-WBU053LGABT IC : 2878F-WBU053LGABT WBU053-LGABT Label Location

Reference No.: BGTL-WTW-P20100274-2 Page 1/9 CONSTRUCTION PHOTOS OF EUT Reference No.: BGTL-WTW-P20100274-2 Page 2/9 Reference No.: BGTL-WTW-P20100274-2 Page 3/9 Reference No.: BGTL-WTW-P20100274-2 Page 4/9 Reference No.: BGTL-WTW-P20100274-2 Page 5/9 Reference No.: BGTL-WTW-P20100274-2 Page 6/9 Reference No.: BGTL-WTW-P20100274-2 Page 7/9 Reference No.: BGTL-WTW-P20100274-2 Page 8/9 Reference No.: BGTL-WTW-P20100274-2 Page 9/9

Report No.: SABGTL-WTW-P20100274 Page No. 1 / 6 Report Format Version: 6.1.1 RF Exposure Report Report No.: SABGTL-WTW-P20100274 FCC ID: RX3-WBU053LGABT Test Model: WBU053-LGABT Received Date: Dec. 30, 2019 Date of Evaluation: Feb. 19, 2020 Oct. 31 ~ Nov. 10, 2020 Issued Date: Nov. 11, 2020 Applicant: Hon Hai Precision Industry Co., Ltd. Address: No.151, Sec. 1, Nankan Rd., Lujhu Dist., Taoyuan County 33859, Taiwan (R.O.C.) Issued By: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch Lin Kou Laboratories Lab Address: No. 47-2, 14th Ling, Chia Pau Vil., Lin Kou Dist., New Taipei City, Taiwan Test Location: No. 19, Hwa Ya 2nd Rd., Wen Hwa Vil., Kwei Shan Dist., Taoyuan City 33383, TAIWAN FCC Registration / Designation Number: 788550 / TW0003 This report is 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. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence, 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. Unless specific mention, the uncertainty of measurement has been explicitly taken into account to declare the compliance or non-compliance to the specification. Report No.: SABGTL-WTW-P20100274 Page No. 2 / 6 Report Format Version: 6.1.1 Table of Contents Release Control Record .................................................................................................................................. 3 1 Certificate of Conformity ...................................................................................................................... 4 2 RF Exposure .......................................................................................................................................... 5 2.1 Limits for Maximum Permissible Exposure (MPE) .............................................................................. 5 2.2 MPE Calculation Formula ................................................................................................................... 5 2.3 Classification ....................................................................................................................................... 5 2.4 Calculation Result of Maximum Conducted Power ............................................................................. 6 Report No.: SABGTL-WTW-P20100274 Page No. 3 / 6 Report Format Version: 6.1.1 Release Control Record Issue No. Description Date Issued SABGTL-WTW-P20100274 Original Release Nov. 11, 2020 Report No.: SABGTL-WTW-P20100274 Page No. 4 / 6 Report Format Version: 6.1.1 1 Certificate of Conformity Product: 802.11a/b/g/n 2T2R with Bluetooth combo wireless module Brand: Foxconn Test Model: WBU053-LGABT Sample Status: Engineering Sample Applicant: Hon Hai Precision Industry Co., Ltd. Date of Evaluation: Feb. 19, 2020 Oct. 31 ~ Nov. 10, 2020 Standards: FCC Part 2 (Section 2.1091) References Test Guidance : KDB 447498 D01 General RF Exposure Guidance v06 IEEE C95.3 -2002 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. Prepared by : , Date: Nov. 11, 2020 Polly Chien / Specialist Approved by : , Date: Nov. 11, 2020 Bruce Chen / Senior Project Engineer Report No.: SABGTL-WTW-P20100274 Page No. 5 / 6 Report Format Version: 6.1.1 2 RF Exposure 2.1 Limits for Maximum Permissible Exposure (MPE) Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Average 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 f = Frequency in MHz ; *Plane-wave equivalent power density 2.2 MPE Calculation Formula Pd = (Pout*G) / (4*pi*r 2 ) where Pd = power density in mW/cm 2 Pout = output power to antenna in mW G = gain of antenna in linear scale pi = 3.1416 r = distance between observation point and center of the radiator in cm 2.3 Classification The antenna of this product, under normal use condition, is at least 20 cm away from the body of the user. So, this device is classified as Mobile Device. Report No.: SABGTL-WTW-P20100274 Page No. 6 / 6 Report Format Version: 6.1.1 2.4 Calculation Result of Maximum Conducted Power Band Frequency Band (MHz) Max AV. Power (dBm) Antenna Gain (dBi) Distance (cm) Power Density (mW/cm 2 ) Limit (mW/cm 2 ) WLAN 2412-2462 17.21 6.17 20 0.043 1.00 5180-5240 14.30 4.87 20 0.016 1.00 5260-5320 14.19 4.87 20 0.016 1.00 5500-5720 14.69 5.57 20 0.021 1.00 5745-5825 14.67 4.57 20 0.017 1.00 BT EDR 2402-2480 8.85 2.42 20 0.003 1.00 BT LE 2402-2480 8.61 2.42 20 0.003 1.00 Note: 1. Determining compliance based on the results of the compliance measurement, not taking into account measurement instrumentation uncertainty. 2. The above Antenna informa…

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Report No.: RFBGTL-WTW-P20100274-4 Page No. 1 / 32 Report Format Version:6.1.2 Partial FCC Test Report (Spot Check) Report No.: RFBGTL-WTW-P20100274-4 FCC ID: RX3-WBU053LGABT Test Model: WBU053-LGABT Received Date: Oct. 21, 2020 Test Date: Oct. 31 ~ Nov. 10, 2020 Issued Date: Nov. 11, 2020 Applicant: Hon Hai Precision Industry Co., Ltd. Address: No.151, Sec. 1, Nankan Rd., Lujhu Dist., Taoyuan County 33859, Taiwan (R.O.C.) Issued By: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch Lin Kou Laboratories Lab Address: No. 47-2, 14th Ling, Chia Pau Vil., Lin Kou Dist., New Taipei City, Taiwan Test Location: No.19, Hwa Ya 2nd Rd., Wen Hwa Vil., Kwei Shan Dist., Taoyuan City 33383, Taiwan FCC Registration / Designation Number: 788550 / TW0003 This report is 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. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence, 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. Unless specific mention, the uncertainty of measurement has been explicitly taken into account to declare the compliance or non-compliance to the specification. Report No.: RFBGTL-WTW-P20100274-4 Page No. 2 / 32 Report Format Version:6.1.2 Table of Contents Release Control Record .................................................................................................................................. 3 1 Certificate of Conformity ........................................................................................................................... 4 2 Summary of Test Results ........................................................................................................................... 5 2.1 Measurement Uncertainty ..................................................................................................................... 5 2.2 Modification Record .............................................................................................................................. 5 3 General Information ................................................................................................................................... 6 3.1 General Description of EUT .................................................................................................................. 6 3.2 Description of Test Modes..................................................................................................................... 8 3.2.1 Test Mode Applicability and Tested Channel Detail .................................................................. 10 3.3 Description of Support Units ............................................................................................................... 12 3.3.1 Configuration of System under Test ......................................................................................... 12 3.4 General Description of Applied Standards and References ............................................................... 12 4 Test Types and Results ............................................................................................................................ 13 4.1 Radiated Emission and Bandedge Measurement .............................................................................. 13 4.1.1 Limits of Radiated Emission and Bandedge Measurement ..................................................... 13 4.1.2 Limits of Unwanted Emission Out of the Restricted Bands ...................................................... 14 4.1.3 Test Instruments ....................................................................................................................... 15 4.1.4 Test Procedures ........................................................................................................................ 16 4.1.5 Deviation from Test Standard ................................................................................................... 17 4.1.6 Test Setup ................................................................................................................................. 17 4.1.7 EUT Operating Conditions ........................................................................................................ 18 4.1.8 Test Results .............................................................................................................................. 19 4.2 Transmit Power Measurement ............................................................................................................ 25 4.2.1 Limits of Transmit Power Measurement ................................................................................... 25 4.2.2 Test Setup ................................................................................................................................. 25 4.2.3 Test Instruments ....................................................................................................................... 26 4.2.4 Test Procedure ......................................................................................................................... 26 4.2.5 Deviation …

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Report No.: RF191230C15-1 Page No. 1 / 121 Report Format Version:6.1.2 FCC Test Report Report No.: RF191230C15-1 FCC ID: RX3-WBU053LGA Test Model: WBU053-LGA Received Date: Dec. 30, 2019 Test Date: Feb. 07 ~ Feb. 14, 2020 Issued Date: Feb. 21, 2020 Applicant: Hon Hai Precision Industry Co., Ltd. Address: No.151, Sec. 1, Nankan Rd., Lujhu Dist., Taoyuan County 33859, Taiwan (R.O.C.) Issued By: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch Lin Kou Laboratories Lab Address: No. 47-2, 14th Ling, Chia Pau Vil., Lin Kou Dist., New Taipei City, Taiwan Test Location (1): No.19, Hwa Ya 2nd Rd., Wen Hwa Vil., Kwei Shan Dist., Taoyuan City 33383, Taiwan Test Location (2): B2F., No.215, Sec. 3, Beixin Rd., Xindian Dist., New Taipei City 231, Taiwan FCC Registration / Designation Number: 788550 / TW0003 427177 / TW0011 This report is 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. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence, 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. Unless specific mention, the uncertainty of measurement has been explicitly taken into account to declare the compliance or non-compliance to the specification. The report must not be used by the client to claim product certification, approval, or endorsement by TAF or any government agencies. Report No.: RF191230C15-1 Page No. 2 / 121 Report Format Version:6.1.2 Table of Contents Release Control Record .................................................................................................................................. 4 1 Certificate of Conformity ........................................................................................................................... 5 2 Summary of Test Results ........................................................................................................................... 6 2.1 Measurement Uncertainty ..................................................................................................................... 7 2.2 Modification Record .............................................................................................................................. 7 3 General Information ................................................................................................................................... 8 3.1 General Description of EUT .................................................................................................................. 8 3.2 Description of Test Modes ................................................................................................................... 10 3.2.1 Test Mode Applicability and Tested Channel Detail ................................................................... 11 3.3 Duty Cycle of Test Signal .................................................................................................................... 13 3.4 Description of Support Units ............................................................................................................... 14 3.4.1 Configuration of System under Test ......................................................................................... 14 3.5 General Description of Applied Standards and References ............................................................... 14 4 Test Types and Results ............................................................................................................................ 15 4.1 Radiated Emission and Bandedge Measurement .............................................................................. 15 4.1.1 Limits of Radiated Emission and Bandedge Measurement ..................................................... 15 4.1.2 Limits of Unwanted Emission Out of the Restricted Bands ...................................................... 16 4.1.3 Test Instruments ....................................................................................................................... 17 4.1.4 Test Procedures ........................................................................................................................ 19 4.1.5 Deviation from Test Standard ................................................................................................... 19 4.1.6 Test Setup ................................................................................................................................. 20 4.1.7 EUT Operating Conditions ........................................................................................................ 21 4.1.8 Test Results .............................................................................................................................. 22 4.2 Transmit Power Measurement ............................................................................................................ 60 4.2.1 Limits of Transmit Power Measurement ................................................................................... 60 4.2.2 Test Setup ..........................................................................................…

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Report No.: RFBGTL-WTW-P20100274-5 Page No. 1 / 24 Report Format Version: 6.1.2 DFS Test Report Report No.: RFBGTL-WTW-P20100274-5 FCC ID: RX3-WBU053LGABT Test Model: WBU053-LGABT Received Date: Oct. 21, 2020 Test Date: Nov. 18, 2020 Issued Date: Nov. 18, 2020 Applicant: Hon Hai Precision Industry Co., Ltd. Address: No.151, Sec. 1, Nankan Rd., Lujhu Dist., Taoyuan County 33859, Taiwan (R.O.C.) Issued By: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch Lin Kou Laboratories Lab Address: No. 47-2, 14th Ling, Chia Pau Vil., Lin Kou Dist., New Taipei City, Taiwan Test Location: No. 19, Hwa Ya 2nd Rd., Wen Hwa Vil., Kwei Shan Dist., Taoyuan City 33383, TAIWAN FCC Registration / Designation Number: 788550 / TW0003 This report is 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. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence, 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. Unless specific mention, the uncertainty of measurement has been explicitly taken into account to declare the compliance or non-compliance to the specification. Report No.: RFBGTL-WTW-P20100274-5 Page No. 2 / 24 Report Format Version: 6.1.2 Table of Contents Report Issue History Record .......................................................................................................................... 3 1 Certificate of Conformity ..................................................…

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