A3LWCT750MWi-Fi/BT Transceiver

Version 1.0 XuGuang Tech page 1 of 10 Operation Description of WCT750M 1. Introduction WCT750Mis a Wi-Fi / Bluetooth Combo module compliant with IEEE802.11 a/b/g/n/ac/ax,MAC/baseband/radio and Bluetooth 5.0 optimized for low-power applications. Thecore chipset is from MediaTek part number MT7668AUN and MT7915DUN.. 2. Hardware Architecture: 2.1 Main Chipset Information Item Vendor Part Number IEEE802.11a/b/g/n/acmac/baseband/radio Bluetooth 5.0 MediaTek MT7668AUN IEEE802.11 a/b/g/n/ac/axmac/baseband/radio MediaTek MT7915DUN/MT7975N Version 1.0 XuGuang Tech page 2 of 10 3. Operational Description WCT750Mis the 802.11a/b/g/n /ac/ax +Bluetooth 5.0 ComboModule that acts as a communication controller for users of a wirelessdevice to connect to SMART TV 3.1 Wi-Fi MAC Features  Support all date rates of 802.11a/g including 6, 9, 12, 18, 24, 36, 48, and 54Mbps  Support short GI and all data rates of 802.11n including MCS0 to MCS7  Support 802.11ac MCS0 to MCS9  Support 802.11ax MCS0 to MCS11  AMPDU/AMSDU RX (de-aggregation) and TX (aggregation) support  TX beamformer and RX beamformee  TX rate adaptation  TX power control  Management/control frame filtering  Low power beacon filtering  Supports BT/Wi-Fi coexistence.  Adaptive frequency hopping (AFH) for reducing radio frequency interference 3.2Wi-Fi Baseband Features Wi-Fi baseband supports the following features:  20/40/80 MHz channels  HE MCS0-11 BW20/40/80MHz with Nss=1~2  Short Guard Inerval  Space-time block code(STBC)  Low Density parity check(LDPC)  Support digital pre-distortion to enhance PA performance  Smoothing extension to MIMO case  Support CDD MIMO tech Version 1.0 XuGuang Tech page 3 of 10 3.3Bluetooth Features WCT750M Bluetooth supports the following features:  BLE 2Mbps  BLE Long Range  BLE Advertising Extension  BLE high duty cycle non-connectable ADV  Compatible Bluetooth 4.2  Data length extension  LE security connection  Single-ended, RF port with integrated Balun and T/R switch  Integrated high efficiency PA and TSSI  Baseband and radio BDR and EDR packet type:1Mbps, 2Mbps, 3Mbos  Fully functional Bluetooth baseband AFH, FEC,CRC  Standard pairing, authentication, link key, and encryption operation  Standard power saving mechanism: sniff mode and sniff subrating  Interlaced scan for faster connection setup  Up to 7 simultaneous active ACL connections with background inquiry and page scan  Up to 16 BLE links  Scatternet support  Channel quality driven data rate control  WB RSSI support. Monitor environment air condition to select good channel for AFH. - Time base of the RF frequency For IF and RF frequency, 40MHzcrystal 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-FiTransmission Baseband data is modulated and upconverted 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/ax 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 toanalog (TX IQ) signals through DAC in BBP IC, TX IQ pass through to low pass filter. TX I/Q signaluse direct conversion (zero-IF) architecture converter to generate carrier frequency signal. Transceiver IC and internal PA magnify output power. Version 1.0 XuGuang Tech page 4 of 10 - Wi-FiReceiver The WCT750M 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 RFsignal will bedirectly down to IF signal (RX IQ) and high frequency spurious emissions are suppressed by LPF. Atlast RX IQ signal will be demodulated digital data. -Bluetooth Low Energy The WCT750M 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 WCT750M provides supports for wideband speech(WBS) using on-chip SmartAudio technology. The WCT750M can perform modified Sub Band Codec(mSBC) encoding and decoding of linear 16bitsat 16kHz(256kbps rate) transferred over USB interface. - Adaptive Frequency Hopping The WCT750M 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 OFDMA:BPSK,QPSK,16QAM,64QAM,256QAM/1024QAM for 802.11ax FHSS:GFSK,OQPSK, 8DPSK, π/4DPSK for Bluetooth -Frequency Range 2400-2483.5MHz 5150-5350MHz 5470-5725MHz 5725-5825MHz Version 1.0 XuGuang Tech page 5 of 10 - IEEE 802.11nHT20 - IEEE 802.11nHT40 Version 1.0 XuGuang Tech page 6 of 10 -IEEE 802.11ac MCS Modulation & Rage 20MHz 1x SS 20MHz 2x SS 40MHz 1x SS 40MHz 2x SS 80MHz 1x SS 80MHz 2x SS 0 BPSK 1/2 7.2 14.4 15.0 30.0 32.5 65.0 1 QPSK 1/2 14.4 28.9 30.0 60.…

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THIS MUST BE SIGNED BY THE APPLICANT AND SHOULD BE PLACED ON APPLICANTS LETTERHEAD ONLY IF AGENT IS SUBMITTING APPLICATION 053019 – 12 Authority to Act as Agent Date: December 6, 2019 American Certification Body, Inc. 6731 Whittier Avenue Suite C110 McLean, VA 22101 To Whom It May Concern: _____AUDIX Technology Corporation______ is authorized to act on our behalf, until otherwise notified, for applications to American Certification Body, Inc. (ACB). We certify that we are not subject to 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. Further, no party, as defined in 47 CFR 1.2002 (b) , to the application is subject to denial of federal benefits, that includes FCC benefits. We also declare that the information provided to the FCC is true and correct to the best of our knowledge (47 CFR 2.911(d)) and we have been informed of the grantee responsibilities (47 CFR 2.909) with regard to certified equipment. Thank you, Agency Agreement Expiration Date: _____2019. 11. 15 ~ 2020.11.15____ By: __ _JenniChun _______ (Signature 1 ) (Print name) Title: ______General Manger_______ On behalf of: ______Samsung Electronics Co Ltd ______ (Company Name) Telephone: _____ 973-808-6375 _________________ 1 - Must be signed by applicant contact given for applicant on the FCC site, or by the authorized agent if an appropriate authorized agent letter has been provided. Letters should be placed on appropriate letterhead.

THIS MUST BE SIGNED BY THE APPLICANT/AGENT AND SHOULD BE PLACED ON APPROPRIATE LETTERHEAD 053019-02a Request for Modular/Limited Modular Approval Date: December 31, 2019 Subject: Manufacturer’s Declaration for  -Modular Approval ☐ - Split Modular Approval ☐- Limited Modular Approval ☐- Limited Split Modular Approval Confidentiality Request for: ______A3LWCT750M______ 8 Basic Requirements – FCC Part 15.212(a)(1) For Items Marked “NO(*)”, the Limited Module Description Must be Filled Out on the Following Pages Modular Approval Requirement Requirement Met 1. The modular transmitter must have its own RF shielding. This is intended to ensure that the module does not have to rely upon the shielding provided by the device into which it is installed in order for all modular transmitter emissions to comply with FCC limits. It is also intended to prevent coupling between the RF circuitry of the module and any wires or circuits in the device into which the module is installed. Such coupling may result in non-compliant operation. The physical crystal and tuning capacitors may be located external to the shielded radio elements. 15.212(a)(1)(i) - YES ☐ - NO(*) Details: The module contains a metal shield which covers all RF components and circuitry. The shield is located on the top of the board next to antenna connector 2. The modular transmitter must have buffered modulation/data inputs (if such inputs are provided) to ensure that the module will comply with FCC requirements under conditions of excessive data rates or over-modulation. 15.212(a)(1)(ii) - YES ☐ - NO(*) Details: the main chip include it . 3. The modular transmitter must have its own power supply regulation on the module. This is intended to ensure that the module will comply with FCC requirements regardless of the design of the power supplying circuitry in the device into which the module is installed. 15.212(a)(1)(iii)  - YES ☐ - NO(*) Details: The module contains its own power supply regulation. Please refer to schematic filed with this application> 4. The modular transmitter must comply with the antenna and transmission system requirements of §§ 15.203, 15.204(b), 15.204(c), 15.212(a), and 2.929(b). The antenna must either be permanently attached or employ a ‘‘unique’’ antenna coupler (at all connections between the module and the antenna, including the cable). The ‘‘professional installation’’ provision of § 15.203 is not applicable to modules but can apply to limited modular approvals under paragraph 15.212(b). 15.212(a)(1)(iv)  - YES ☐ - NO(*) Details: The module connects to its antenna using an UFL connector which is considered a non-standard connector. A list of antennas tested and approved with this device may be found in users manual provided with the application 5. The modular transmitter must be tested in a stand-alone configuration, i.e., the module must not be inside another device during testing. This is intended to demonstrate that the module is capable of complying with Part 15 emission limits regardless of the device into which it is eventually installed. Unless the transmitter module will be battery powered, it must comply with the AC line conducted requirements found in Section 15.207. AC or DC power lines and data input/output lines connected to the module must not contain ferrites, unless they will be marketed with the module (see Section 15.27(a)). The length of these lines shall be length typical of actual use or, if that length is unknown, at least 10 centimeters to insure that there is no coupling between the case of the module and supporting equipment. Any accessories, peripherals, or support equipment connected to the module during testing shall be unmodified or commercially available (see Section 15.31(i)). 15.212(a)(1)(v)  - YES ☐ - NO(*) Details: The module was tested stand-alone as shown in test setup photographs filed with this application Modular Approval Requirement Requirement Met THIS MUST BE SIGNED BY THE APPLICANT/AGENT AND SHOULD BE PLACED ON APPROPRIATE LETTERHEAD 053019-02a 6. The modular transmitter must be labeled with its own FCC ID number, or use an electron display (see KDB Publication 784748). If using a permanently affixed label with its own FCC ID number, if the FCC ID is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wording such as the following: “Contains Transmitter Module FCC ID: XYZMODEL1” or “Contains FCC ID: XYZMODEL1.” Any similar wording that expresses the same meaning may be used. The Grantee may either provide such a label, an example of which must be included in the application for equipment authorization, or, must provide adequate instructions along with the module which explain this requirement. In the latter case, a copy of these instructions must be included in the application for equipment authorization. If the modular transmitter uses an electronic display of the FCC identification number, the information must be readily accessible and visible on the modular transmitter or on the device in which it is installed. If the module is installed inside another device, then the outside of the device into which the module is installed must display a label referring to the enclosed module. This exterior label can use wording such as the following: “Contains FCC certified transmitter module(s).” Any similar wording that expresses the same meaning may be used. The user manual must include instructions on how to access the electronic display. A copy of these instructions must be included in the application for equipment authorization. 15.212(a)(1)(vi)  - YES ☐ - NO(*) Details: There is a label on the module as shown in the labeling exhibit filed with this application. Host specific labeling instructions are shown in the installation manual .filed with this application . 7. The modular transmitter must comply…

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Federal Communications Commission Authorization and Evaluation Division Date: Nov.15, 2019 ATTESTATION FCC ID: A3LWCT750M Product descriotion: Wi-Fi/BT Transceiver We,Samsung Electronics Co Ltd hereby declare that the [Wi-Fi/BT Transceiver, WCT750M] for being in compliance with KDB 594280 and KDB 848637 is disabled following bands/ functions by software 1. Ad-hoc and Wi-Fi Direct are disabled. 2. When the client in non-associated mode,This device is client software and associated drivers will not initate any transmissionon DFS frequencies without initiation by a master.without DFS detection function capability. This includes transmissions for beacon ad-hoc peer-to-peer modes. 3. The product is not able to operate in non-US/IC frequencies, and without country code selection function. Best regards _______________________________________ JenniChun Genernal Manager Samsung Electronics Co Ltd

THIS MUST BE SIGNED BY THE APPLICANT/AGENT AND SHOULD BE PLACED ON APPROPRIATE LETTERHEAD 053019 – 12 Request for Confidentiality Date: December 20, 2019 Subject: Confidentiality Request for: ______ FCC ID:A3LWCT750M ______ Pursuant to FCC 47 CFR 0.457(d) and 0.459 and IC RSP-100, Section 9.4, the applicant requests that a part of the subject FCC application be held confidential. Type of Confidentiality Requested Exhibit ☐ Short Term  Permanent Block Diagrams  Short Term External Photos  Short Term ☐ Permanent * 2 Internal Photos ☐ Short Term  Permanent Operation Description/Theory of Operation ☐ Short Term ☐ Permanent Parts List & Placement/BOM ☐ Short Term ☐ Permanent Tune-Up Procedure ☐ Short Term  Permanent Schematics  Short Term Test Setup Photos  Short Term ☐ Permanent * 3 User’s Manual ______ Samsung Electronics Co Ltd______ has spent substantial effort in developing this product and it is one of the first of its kind in industry. Having the subject information easily available to "competition" would negate the advantage they have achieved by developing this product. Not protecting the details of the design will result in financial hardship. Permanent Confidentiality: The applicant requests the exhibits listed above as permanently confidential be permanently withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public. Short-Term Confidentiality: The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of ___4/1/2020 3 ___ days from the date of the Grant of Equipment Authorization and prior to marketing. This is to avoid premature release of sensitive information prior to marketing or release of the product to the public. Applicant is also aware that they are responsible to notify ACB in the event information regarding the product or the product is made available to the public before the requested period has expired. ACB will then release the documents listed above for public disclosure pursuant to FCC Public Notice DA 04-1705. NOTE for Industry Canada Applications: IC currently only distinguishes Permanent Confidentiality exhibits as shown above. Short Term confidentiality is not considered applicable to IC applications. Sincerely, By: _________________ JenniChun________________ (Signature/General Manger 4 ) (Print name) 2 - The asterisked items (*) require further information to be provided to ACB before permanent confidentiality will beextended to these exhibits. Please refer to FCC KDB 726920 and the specific Document link for D01 found at: https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=41731 and review section II, 3) regarding specific information that must accompany these requests. 3 -Please refer to http://acbcert.com/documents/misc-docs/Memo-Short-Term-Vs-Standard-Confidentiality.pdf for complete details. 4 - Must be signed by applicant contact given for applicant on the FCC site, or by the authorized agent if an appropriate authorized agent letter has been provided. Letters should be placed on appropriate letterhead.

Samsung Electronics Co., Ltd. Wi-Fi/BT Transceiver Model : WCT750M EUT External Photos Figure 1 General Appearance (Front View) Figure 2 General Appearance (Back View) Samsung Electronics Co., Ltd. Wi-Fi/BT Transceiver Model : WCT750M Figure 3 General Appearance (Side View) Figure 4 General Appearance (Side View) Samsung Electronics Co., Ltd. Wi-Fi/BT Transceiver Model : WCT750M Figure 5 General Appearance (Side View) Figure 6 General Appearance (Side View) Samsung Electronics Co., Ltd. Wi-Fi/BT Transceiver Model : WCT750M Figure 7 General Appearance (With Antennas) Figure 8 General Appearance (Antenna for Chipset: MT7915DUN, Front View) Samsung Electronics Co., Ltd. Wi-Fi/BT Transceiver Model : WCT750M Figure 9 General Appearance (Antenna for Chipset: MT7915DUN, Back View) Figure 10 General Appearance (Antenna for Chipset:MT7668AUN, Front View) Samsung Electronics Co., Ltd. Wi-Fi/BT Transceiver Model : WCT750M Figure 11 General Appearance (Antenna for Chipset:MT7668AUN, Back View) Figure 12 General Appearance (BT Antenna for Chipset:MT7668AUN, Front View) Samsung Electronics Co., Ltd. Wi-Fi/BT Transceiver Model : WCT750M Figure 13 General Appearance (BT Antenna for Chipset:MT7668AUN, Back View)

Samsung Electronics Co., Ltd. Wi-Fi/BT Transceiver Model : WCT750M Label Location  Label Placement Location (Front View)  Label Format Label Placement Location

Samsung Electronics Co., Ltd. Wi-Fi/BT Transceiver Model : WCT750M EUT Internal Photos Figure 14 Internal View (Removed Shielded Case) Figure 15 Internal View (Front View) Chip MT7668AUN Chip MT7915DUN/MT7975N Samsung Electronics Co., Ltd. Wi-Fi/BT Transceiver Model : WCT750M Figure 16 Internal View (Chip MT7668AUN) Figure 17 Internal View (Chip MT7915DUN/MT7975N)

Maximum Permissive Exposure FCC ID: A3LWCT750M Product Name: Wi-Fi/BT Transceiver Model No: WCT750M 1. According to FCC CFR 47 §1.1310, the criteria listed in the following table shall be used to evaluate the environmental impact of human exposure to radio frequency (RF) radiation as specified in 1.1307(b). Table 1 Limits for Maximum Permissible Exposure Samsung Electronics Co Ltd declares that the product described above has been evaluated and found to comply with the RF exposure limits for humans, as specified based on ANSI/FCC recommendation. 2. MPE Calculation for Chipset MT7668AUN 2.1. BT MPE Based on safety distance (r) 20cm, the antenna gain (G) is 0.440 Numerical, and the highest power output (P) is 17.140mW, the power density (S) is 0.0015 mW/cm 2. RF Exposure Calculations: S = (P * G) / (4* π * r 2 ) or r = (P * G) / (4 * π * S) Where : Based on safety distance (r)= 20 cm Highest Power Output (P)= 12.34 dBm = 17.140 mW Antenna Gain (G)= -3.57 dBi = 0.440 Numerical MPE (S) = (P*G) / (4*π*r 2 ) = = (17.140*0.440)/(4*π*20 2 )= 0.0015 mW/cm 2 2.2. WIFI 2.4G MPE Based on safety distance (r) 20cm, the antenna gain (G) is 0.529 Numerical, and the highest power output (P) is 633.870mW, the power density (S) is 0.0667 mW/cm 2. RF Exposure Calculations: S = (P * G) / (4* π * r 2 ) or r = Where : (P * G) / (4 * π * S) Based on safety distance (r)= 20 cm Highest Power Output (P)= 28.02 dBm = 633.870 mW Antenna Gain (G)= -2.76 dBi = 0.529 Numerical MPE (S) = (P*G) / (4*π*r 2 ) = = (633.870*0.494)/(4*π*20 2 )= 0.0667 mW/cm 2 2.3. WIFI 5G MPE Based on safety distance (r) 20cm, the antenna gain (G) is 1.883 Numerical, and the highest power output (P) is 190.108mW, the power density (S) is 0.0712 mW/cm 2. . RF Exposure Calculations: S = (P * G) / (4* π * r 2 ) or r = (P * G) / (4 * π * S) Where : Based on safety distance (r)= 20 cm Highest Power Output (P)= 22.79 dBm = 190.108 mW Antenna Gain (G)= 2.75 dBi = 1.883 Numerical MPE (S) = (P*G) / (4*π*r 2 ) = = (190.108*1.199)/(4*π*20 2 )= 0.0712 mW/cm 2 3. MPE Calculation for Chipset MT7915DUN 3.1. WIFI 2.4G MPE Based on safety distance (r) 20cm, the antenna gain (G) is 0.653 Numerical, and the highest power output (P) is 851.138mW, the power density (S) is 0.111mW/cm 2. RF Exposure Calculations: S = (P * G) / (4* π * r 2 ) or r = (P * G) / (4 * π * S) Where : Based on safety distance (r)= 20 cm Highest Power Output (P)= 29.30 dBm = 851.138 mW Antenna Gain (G)= -1.85 dBi = 0.653 Numerical MPE (S) = (P*G) / (4*π*r 2 ) = = (851.138*0.518)/(4*π*20 2 )= 0.111 mW/cm 2 3.2. WIFI 5G MPE Based on safety distance (r) 20cm, the antenna gain (G) is 0.951Numerical, and the highest power output (P) is 226.986mW, the power density (S) is 0.0429mW/cm 2. . RF Exposure Calculations: S = (P * G) / (4* π * r 2 ) or r = (P * G) / (4 * π * S) Where : Based on safety distance (r)= 20 cm Highest Power Output (P)= 23.56 dBm = 226.986 mW Antenna Gain (G)= -0.22 dBi = 0.951 Numerical MPE (S) = (P*G) / (4*π*r 2 ) = = (226.986*0.757)/(4*π*20 2 )= 0.0429 mW/cm 2 4. MPE Calculation for Simultaneous MPE WiFi 5 WiFi 6 Total (mW/cm 2 ) Limit (mW/cm 2 ) WIFI 2.4G (mW/cm 2 ) BT (mW/cm 2 ) WIFI 5G (mW/cm 2 ) 0.0667 0.0015 0.0429 0.1111 ≦ 1 MPE WiFi 5 WiFi 6 Total (mW/cm 2 ) Limit (mW/cm 2 ) BT (mW/cm 2 ) WIFI 5G (mW/cm 2 ) WIFI 2.4G (mW/cm 2 ) 0.0015 0.0712 0.111 0.1837 ≦ 1 Sincerely Yours, Mr. Ben Cheng Manager AUDIX Technology Corporation

Page 1 of 29 Audix Technology Corp. Tel: +886 2 26099301 No. 53-11, Dingfu, Linkou, Dist., Fax: +886 2 26099303 New Taipei City244,Taiwan File Number: C1M1911140 Report Number: EM-F190496 This test report may be reproduced in full only. The document may only be updated by Audix Technology Corp. personnel. Any changes will be noted in the Document History section of the report. FCC 15.407 NII DFS Test Report for Samsung Electronics Co., Ltd. 129 Samsung-ro, Yeongtong-gu Suwon-Si Gyeonggi-do 16677 Korea (Republic Of) Product Name : Wi-Fi/BT Transceiver Model Name : WCT750M Brand SAMSUNG FCC ID : A3LWCT750M Prepared by: : AUDIX Technology Corporation, EMC Department TESTING NVLAP LAB CODE 200077-0 The test report is based on a single evaluation of one sample of the above-mentioned products. It does not imply an assessment of the whole production and does not permit the use of the test lab logo. The report must not be used by the client to claim product certification, approval, or endorsement by NVLAP, NIST, TAF, or any government agencies. Page 2 of 29 Audix Technology Corp. Tel: +886 2 26099301 No. 53-11, Dingfu, Linkou, Dist., Fax: +886 2 26099303 New Taipei City244,Taiwan File Number: C1M1911140 Report Number: EM-F190496 This test report may be reproduced in full only. The document may only be updated by Audix Technology Corp. personnel. Any changes will be noted in the Document History section of the report. TABLE OF CONTENTS Description Page TEST REPORT CERTIFICATION.................................................................................................... 3 1. REVISION RECORD OF TEST REPORT ............................................................................ 4 2. SUMMARY OF TEST RESULTS ........................................................................................... 5 3. GENERAL INFORMATION ................................................................................................... 6 3.1. Description of Application .............................................................................................................. 6 3.2. Description of EUT ......................................................................................................................... 7 3.3. Antenna Information ....................................................................................................................... 9 3.4. EUT Specifications Assessed in Current Report ........................................................................... 11 3.5. Descriptions of Key Components .................................................................................................. 12 3.6. Test Configuration ......................................................................................................................... 12 3.7. Tested Supporting System List ...................................................................................................... 12 3.8. Description of Test Facility ........................................................................................................... 12 3.9. Measurement Uncertainty ............................................................................................................. 12 4. MEASUREMENT EQUIPMENTLIST ................................................................................. 13 5. WORKING MODES AND REQUIREMENT TEST ITEM ............................................... 14 5.1. Applicability of DFS Requirements Prior To Use A Channel ...................................................... 14 5.2. Applicability of DFS Requirements During Normal Operation .................................................... 14 6. DFS DETECTION THRESHOLOS AND RADAR TEST WAVEFORMS ...................... 15 6.1. Interference Threshold Value, Master or Client Incorporating In-Service Monitoring................. 15 6.2. Radar Test Waveform Minimum Step ........................................................................................... 15 6.3. Short Pulse Radar Test Waveforms ............................................................................................... 16 6.4. Long Pulse Radar Test Waveforms ............................................................................................... 17 6.5. Frequency Hopping Pulse Radar Test Waveforms ........................................................................ 19 6.6. Conducted Calibration Setup ......................................................................................................... 21 6.7. Radar Waveform Calibration Procedure ....................................................................................... 21 6.8. Calibration Deviation .................................................................................................................... 21 6.9. Radar Waveform Calibration Result ............................................................................................. 22 7. TEST SETUP AND TEST RESULT ..................................................................................... 23 7.1. Test Setup ...................................................................................................................................... 23 7.2. Channel Move Time, Channel Closing Transmission Time, Non-Occupancy Period, Non-Associated Client Beacon Measurement ......................................................................................... 25 APPENDIX A TEST PHOTOGRAPHS Page 3 of 29 Audix Technology Corp. Tel: +886 2 26099301 No. 53-11, Dingfu, Linkou, Dist., Fax: +886 2 26099303 New Taipei City244,Taiwan File Number: C1M1911140 Report Number: EM-F190496 This test report may be reproduced in full only. The document may only be updated by Audix Technology Corp. personnel. Any changes will be noted in the Document History section of the report. TEST REPORT CERTIFICATION Applicant : Samsung Electronics Co., Ltd. Manufacturer : Samsung Electronics Co., Ltd. Factory : Chengdu Xuguang T…

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Page 1 of 44 Audix Technology Corp. Tel: +886 2 26099301 No. 53-11, Dingfu, Linkou, Dist., Fax: +886 2 26099303 New Taipei City244,Taiwan File Number: C1M1911140 Report Number: EM-F190494 This test report may be reproduced in full only. The document may only be updated by Audix Technology Corp. personnel. Any changes will be noted in the Document History section of the report. FCC 15.407 NII 5GHz Test Report for Samsung Electronics Co., Ltd. 129 Samsung-ro, Yeongtong-gu Suwon-Si Gyeonggi-do 16677 Korea (Republic Of) Product Name : Wi-Fi/BT Transceiver Model Name : WCT750M Brand SAMSUNG FCC ID : A3LWCT750M Prepared by: : AUDIX Technology Corporation, EMC Department TESTING NVLAP LAB CODE 200077-0 The test report is based on a single evaluation of one sample of the above-mentioned products. It does not imply an assessment of the whole production and does not permit the use of the test lab logo. The report must not be used by the client to claim product certification, approval, or endorsement by NVLAP, NIST, or any agency of the U.S. Government. Page 2 of 44 Audix Technology Corp. Tel: +886 2 26099301 No. 53-11, Dingfu, Linkou, Dist., Fax: +886 2 26099303 New Taipei City244,Taiwan File Number: C1M1911140 Report Number: EM-F190494 This test report may be reproduced in full on…

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