A3LWCA732MWi-Fi/BT Transceiver

Version 1.0 XuGuang Tech page 1 of 14 Operation Description of WCA732M 1. Introduction WCA732M is a Wi-Fi / Bluetooth Combo module compliant with IEEE802.11 a.b.g.n.ac MAC/baseband/radio and Bluetooth 5.0 optimized for low-power applications. The core chipset is from MediaTek part number MT7668AUN. 2. Hardware Architecture: 2.1 Main Chipset Information Item Vendor Part Number IEEE802.11 a.b.g.n.ac mac/baseband/radio Bluetooth 5.0 MediaTek MT7668AUN 2.2 Circuit Block Diagram The major internal and external block diagram of WCA732Mis illustrated in Figure 1-1. Figure 1-1 WCA732Mblock diagram and System Interface Version 1.0 XuGuang Tech page 2 of 14 3. Operational Description WCA732M is the 802.11a/b/g/n /ac +Bluetooth 5.0 C ombo Module that acts as a communication controller for users of a wireless device to connect to SMART TV - Features >IEEE 802.11ac Draft compliant. >Dual-band 2.4GHz /5 GHz >Dual-stream spatial multiplexing up to 600Mbps data rate >Support 20, 40, 80MHz channel with optional SGI(256QAM modulation) >On-chip power amplifiers and low –noise amplifiers for both bands >Complies with Bluetooth Core Specification Version 5.0 >Supports BT/Wi-Fi coexistence. >Adaptive frequency hopping (AFH) for reducing radio frequency interference - Time base of the RF frequency For IF and RF frequency, 40MHz crystal is a clock reference. - Synthesizer Synthesizer inside Transceiver. Internal voltage controlled oscillator (VCO) provides the desired LO signal base on the phase-locked loop (PLL) with a relatively wide tuning range for this application. Internal fractional nPLL allows support for a wide range of reference clock frequencies - Wi-Fi Transmission Baseband data is modulated and up converted to the 2.4GHz ISM and 5-GHz U-NII bands, respectively. Linear on chip power amplifier are included, which are capable of delivering high output powers while Meeting IEEE802.11ac and IEEE802.a/b/g/n specifications without the need for external PAs. When using the internal PAs, closed-loop output power control is completely integrated. Base-band Processing (BBP) IC has DSSS (BPSK/QPSK/CCK) and OFDM (BPSK/QPSK/16QAM/64QAM/25QAM) modulation function, it provides transmission data rate are 1, 2, 5.5, 11Mbps on DSSS and 6, 12, 18, 24, 36, 48, 54 Mbps on OFDM. Digital data signal will be converted to analog (TX IQ) signals through DAC in BBP IC, TX IQ pass through to low pass filter. TX I/Q signal use direct conversion (zero-IF) architecture converter to generate carrier frequency signal. Transceiver IC and internal PA magnify output power. - Wi-Fi Receiver The MT7668AUN has a wide dynamic range, direct conversion receiver that employs high-order on-chip channel filtering to ensure reliable operation in the noisy 2.4GHz ISM band or the entire 5GHz U-NII band .Control signals are available that can support the use of optional LNAs for each band,which can increase the receive sensitivity by several decibels. Reverse direction isolation of LNA inside Transceiver IC suppresses unwanted radiation. Then RF signal will be directly down to IF signal (RX IQ) and high frequency spurious emissions are suppressed by LPF. At last RX IQ signal will be demodulated digital data. Version 1.0 XuGuang Tech page 3 of 14 - Bluetooth Low Energy The WCA732M support the Bluetooth 4.2 LE and 5.0 BLE 2Mbps - Link Control Layer The link control layer is part of the Bluetooth link control functions that are implemented in dedicated logic in the link control unit (LCU). Each task performs a different state in the Bluetooth Link Controller. - Wideband speech The WCA732M provides supports for wideband speech (WBS) using on-chip SmartAudio technology. The WCA732M can perform modified Sub Band Codec (mSBC) encoding and decoding of linear 16bitsat 16kHz(256kbps rate) transferred over USB interface. - Adaptive Frequency Hopping The WCA732M gathers link quality statistics on a channel by basis to facilitate channel assessment and Channel map selection. The link quality is determined using both RF and baseband signal processing to Provide a more accurate frequency-hop map. 4. Product Details -Data Modulation DSSS:CCK,BPSK,QPSK for 802.11b OFDM:BPSK,QPSK,16QAM,64QAM,256QAM for 802.11a,g,n,ac FHSS:GFSK,OQPSK, 8DPSK, π/4DPSK for Bluetooth -Frequency Range 2400-2497MHz 5150-5350MHz 5470-5725MHz 5725-5825MHz Version 1.0 XuGuang Tech page 4 of 14 - IEEE 802.11n HT20 - IEEE 802.11n HT40 Version 1.0 XuGuang Tech page 5 of 14 -IEEE 802.11ac -Output Power tolerance Output power ± 1.0dBm -Simultaneous transmission BT BT LE 2.4GHz Wi-Fi 5GHz Wi-Fi BT O O O BT LE O O O 2.4GHz Wi-Fi O O X 5GHz Wi-Fi O O X -Recommended Operating conditions Min Typ. Max Unit Operating voltage 4.5 5 5.5 V Operating temperature(ambient) -20 25 50 °C Version 1.0 XuGuang Tech page 6 of 14 -AS Information Company Name: CHENGDU XUGUANG TECHNOLOGY CO.,LTD. Fax: +86-28-84841628 Tel: +86-28-84841628 Add: 2 section of park road Longquanyi Chengdu China -Certification Information 1) Name(Model name): 2) Certification ID: 3) Company Name: 4) Production date 5) Vendor: Version 1.0 XuGuang Tech page 7 of 14 FCC MODULAR APPROVAL INFORMATION EXAMPLES for Manual 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. (2) This device must accept any interference received, including interference that may cause undesired operation. CAUTION: Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: 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…

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Samsung Electronics Co Ltd Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: September 21, 2020 Subject; Request for Confidentiality FCC ID: A3LWCA732M To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Software Security Requirement In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Jenni Chun Title: General Manager

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Page 1 of 17 Report No. : OT-209-RWD-066 It should not be reproduced except in full, without the written approval of ONETECH Corp. OTC-TRF-RF-001(0) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) ELECTROMAGNETIC EMISSION COMPLIANCE REPORT FOR LOW-POWER, NON-LICENSED TRANSMITTER Test Report No. : OT-209-RWD-066 Reception No. : 2008003233 Applicant : Samsung Electronics Co Ltd Address : 19 Chapin Rd., Building D, Pine Brook, New Jersey, 07058, United States Manufacturer : Samsung Electronics Co Ltd Address : 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do 16677, Korea Type of Equipment : Wi-Fi/BT Transceiver FCC ID. : A3LWCA732M Model Name : WCA732M Serial number : N/A Total page of Report : 17 pages (including this page) Date of Incoming : August 20, 2020 Date of issue : September 21, 2020 SUMMARY The equipment complies with the regulation; FCC PART 15 SUBPART C Section 15.247 and FCC PART 15 SUBPART E Section 15.407 This test report only contains the result of a single test of the sample supplied for the examination. It is not a generally valid assessment of the features of the respective products of the mass-production. Tested by Ju Yun Park / Assistant Manager ONETECH Corp. Reviewed by Tae-Ho, Kim / Senior Manager ONETECH Corp. Approved by Ki-Hong, Nam / General Manager ONETECH Corp. Page 2 of 17 Report No. : OT-209-RWD-066 It should not be reproduced except in full, without the written approval of ONETECH Corp. OTC-TRF-RF-001(0) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) CONTENTS PAGE 1. VERIFICATION OF COMPLIANCE ............................................................................................................................. 4 2. GENERAL INFORMATION ............................................................................................................................................ 5 2.1 PRODUCT DESCRIPTION ................................................................................................................................................. 5 2.2 ALTERNATIVE TYPE(S)/MODEL(S); ALSO COVERED BY THIS TEST REPORT. ....................................... 10 3. EUT MODIFICATIONS .................................................................................................................................................. 10 4. MAXIMUM PERMISSIBLE EXPOSURE .................................................................................................................... 11 4.1 RF EXPOSURE CALCULATION ..................................................................................................................................... 11 4.2 EUT DESCRIPTION ....................................................................................................................................................... 11 4.3 CALCULATED MPE SAFE DISTANCE FOR WLAN ...................................................................................................... 12 4.3.1 DATA for Antenna 0 ............................................................................................................................................. 12 4.3.2 DATA for Antenna 1 ............................................................................................................................................. 13 4.3.3 DATA for Multiple Transmit ................................................................................................................................ 14 4.4 CALCULATED MPE SAFE DISTANCE FOR BLUETOOTH LE ....................................................................................... 16 4.5 CALCULATED MPE SAFE DISTANCE FOR BLUETOOTH ............................................................................................. 16 4.6 DATA FOR INTERMODULATION TRANSMIT ............................................................................................................... 17 Page 3 of 17 Report No. : OT-209-RWD-066 It should not be reproduced except in full, without the written approval of ONETECH Corp. OTC-TRF-RF-001(0) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Revision History Rev. No. Issue Report No. Issued Date Revisions Section Affected 0 OT-209-RWD-066 September 21, 2020 Initial Release All Page 4 of 17 Report No. : OT-209-RWD-066 It should not be reproduced except in full, without the written approval of ONETECH Corp. OTC-TRF-RF-001(0) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) 1. VERIFICATION OF COMPLIANCE Applicant : Samsung Electronics Co Ltd Address : 19 Chapin Rd., Building D, Pine Brook, New Jersey, 07058, United States Contact Person : Youngjoong Noh / Principal Engineer Telephone No. : +82-31-277-0598 FCC ID : A3LWCA732M Model Name : WCA732M Brand Name : Serial Number : N/A Date : September 21, 2020 EQUIPMENT CLASS DTS – DIGITAL TRNSMISSION SYSTEM Unlicensed National Information infrastructure(UNII) E.U.T. DESCRIPTION Modular Transmitter, Wi-Fi/BT Transceiver THIS REPORT CONCERNS Original Grant MEASUREMENT PROCEDURES ANSI C63.10: 2013 TYPE OF EQUIPMENT TESTED Pre-Production KIND OF EQUIPMENT AUTHORIZATION REQUESTED Certification EQUIPMENT WILL BE OPERATED UNDER FCC RULES PART(S) FCC PART 15 SUBPART C Section 15.247 KDB 558074 D01 15.247 Meas Guidance v05r02 FCC PART 15 SUBPART E Section 15.407 789033 D02 General UNII Test Procedures New Rules v02r01 Modifications on the Equipment to Achieve Compliance None Final Test was Conducted On 3 m, Semi Anechoic Chamber -. The above equipment was tested by ONETECH Corp. for compliance with the requirement set forth in the FCC Rules and Regulations. This said equipment in the configuration described in this report, shows the maximum emission levels emanating fro…

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Page 1 of 87 Report No.: OT-209-RWD-063 It should not be reproduced except in full, without the written approval of ONETECH Corp. OTC-TRF-RF-001(0) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) ELECTROMAGNETIC EMISSION COMPLIANCE REPORT FOR LOW-POWER, NON-LICENSED TRANSMITTER Test Report No. : OT-209-RWD-063 Reception No. : 2008003233 Applicant : Samsung Electronics Co Ltd Address : 19 Chapin Rd., Building D, Pine Brook, New Jersey, 07058, United States Manufacturer : Samsung Electronics Co Ltd Address : 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do 16677, Korea Type of Equipment : Wi-Fi/BT Transceiver FCC ID. : A3LWCA732M Model Name : WCA732M Serial number : N/A Total page of Report : 87 pages (including this page) Date of Incoming : August 20, 2020 Date of issue : September 21, 2020 SUMMARY The equipment complies with the regulation; FCC PART 15 SUBPART C Section 15.247 This test report only contains the result of a single test of the sample supplied for the examination. It is not a generally valid assessment of the features of the respective products of the mass-production. Tested by Ju Yun Park / Assistant Manager ONETECH Corp. Reviewed by Tae-Ho, Kim / Senior Manager ONETECH Corp. Approved by Ki-Hong, Nam / General Manager ONETECH Corp. Page 2 of 87 Report No.: OT-209-RWD-063 It should not be reproduced except in full, without the written approval of ONETECH Corp. OTC-TRF-RF-001(0) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) CONTENTS PAGE 1. VERIFICATION OF COMPLIANCE ............................................................................................................................. 6 2. TEST SUMMARY .............................................................................................................................................................. 7 2.1 TEST ITEMS AND RESULTS ............................................................................................................................................. 7 2.2 ADDITIONS, DEVIATIONS, EXCLUSIONS FROM STANDARDS ........................................................................................... 7 2.3 RELATED SUBMITTAL(S) / GRANT(S) ............................................................................................................................ 7 2.4 PURPOSE OF THE TEST ................................................................................................................................................... 7 2.5 TEST METHODOLOGY .................................................................................................................................................... 7 2.6 TEST FACILITY ............................................................................................................................................................... 7 3. GENERAL INFORMATION ............................................................................................................................................ 8 3.1 PRODUCT DESCRIPTION ................................................................................................................................................. 8 3.2 ALTERNATIVE TYPE(S)/MODEL(S); ALSO COVERED BY THIS TEST REPORT. .............................................................. 13 4. EUT MODIFICATIONS .................................................................................................................................................. 13 5. SYSTEM TEST CONFIGURATION ............................................................................................................................. 14 5.1 JUSTIFICATION ............................................................................................................................................................. 14 5.2 PERIPHERAL EQUIPMENT ............................................................................................................................................ 14 5.3 MODE OF OPERATION DURING THE TEST .................................................................................................................... 14 5.4 CONFIGURATION OF TEST SYSTEM ............................................................................................................................. 17 5.5 ANTENNA REQUIREMENT ............................................................................................................................................ 17 6. PRELIMINARY TEST .................................................................................................................................................... 17 6.1 AC POWER LINE CONDUCTED EMISSIONS TESTS ....................................................................................................... 17 6.2 GENERAL RADIATED EMISSIONS TESTS ..................................................................................................................... 17 7. MINIMUM 20 DB BANDWIDTH .................................................................................................................................. 18 7.1 OPERATING ENVIRONMENT ......................................................................................................................................... 18 7.2 TEST SET-UP ................................................................................................................................................................. 18 7.3 TEST DATE ................................................................................................................................................................... 18 7.4 TEST DATA FOR 1 MBPS ............................................................................................................................................... 19 7.5 TEST DATA FOR 2 MBPS ........…

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