MT7921K Install User Guideline Version: V0. 1 Release Date: 2020-12-14 © 2020 MediaTek Inc. This document contains information that is proprietary to MediaTek Inc. Unauthorized reproduction or disclosure of this information in whole or in part is strictly prohibited. Specifications are subject to change without notice.
MT7921K Install User Guideline: Part-I Confidential B Document Revision History Version Date Author V0.1 20201214 Jane MediaTek Confidential Change List Initial draft release. © 2020 MediaTek Inc. This document contains information that is proprietary to MediaTek Inc. Unauthorized reproduction or disclosure of this information in whole or in part is strictly prohibited.
MT7921K Install User Guideline: Part-I Confidential B Table of Contents Document Revision History....................................................................................................................... 2 Table of Contents ..................................................................................................................................... 3 1 System overview .......................................................................................................................
MT7921K Install User Guideline: Part-I Confidential B 1 1.1 System overview General Description MT7921K chip is highly integrated single chip which have built in 2x2 dual-band wireless LAN and Bluetooth combo radio. WiFi works on the ISM band, which means many other devices such as microwave oven, radar, and Bluetooth use the same frequencies and channels with WiFi devices. Therefore, governments make regulations to avoid interference between devices.
MT7921K Install User Guideline: Part-I Confidential B 2 Driver install How to install driver 2.1 Please follow the procedure listed in below to install driver § 1st : Update Windows security package to register signature mechanism § 2nd : Install Windows driver. MediaTek Confidential © 2020 MediaTek Inc. This document contains information that is proprietary to MediaTek Inc. Unauthorized reproduction or disclosure of this information in whole or in part is strictly prohibited.
MT7921K Install User Guideline: Part-I Confidential B 2.1.1 Windows Security for new signature mechanism If you are the 1st time to use this driver, you should update Windows Security for new signature mechanism at first. Please follow below link to install this software. https://www.microsoft.com/en-us/download/details.aspx?id=46148 For windows 7 x64 example: MediaTek Confidential © 2020 MediaTek Inc. This document contains information that is proprietary to MediaTek Inc.
MT7921K Install User Guideline: Part-I Confidential B 2.1.2 Windows 10 install note If manufacturer can’t install the driver in Windows 10 due to driver integrity check, try to disable the integrity check to allow installation. • Disable Driver Integrity Check 1. Open cmd as Administrator. 2. 3. Execute ‘bcdedit /set nointegritychecks on’ Reboot 4. Then install again. If still fail, try do ‘Disable Secure Boot’ below.
MT7921K Install User Guideline: Part-I Confidential B 2.1.3 Install Windows driver MT7921K supports PCIE interface. According to interface type of MT7921K, please refer to steps shown below to install Windows driver: PCIE interface: 1. Connect DUT to PC/NB and check Windows Device Manager. 2. Window Device Manager would discover DUT shows “Generic Bluetooth Adapter”(BT device) and “WiFi_If”(WiFi device). 3. Right click the “Generic Bluetooth Adapter” BT device and select disable as follows.
MT7921K Install User Guideline: Part-I Confidential B 4. Right-click on “WiFi_If” Wifi device and Update Driver Software. 5. According host’s Windows’ OS to select and install driver. a b f c e d g MediaTek Confidential © 2020 MediaTek Inc. This document contains information that is proprietary to MediaTek Inc. Unauthorized reproduction or disclosure of this information in whole or in part is strictly prohibited.
MT7921K Install User Guideline: Part-I Confidential B h MediaTek Confidential © 2020 MediaTek Inc. This document contains information that is proprietary to MediaTek Inc. Unauthorized reproduction or disclosure of this information in whole or in part is strictly prohibited.
MT7921K Install User Guideline: Part-I Confidential B General Information & Integration Instructions 3 3.1 General Description of MT7921K Product 2TX 11ax (WiFi6E) + BT/BLE Combo Card Brand MediaTek Model MT7921K Power Supply Rating 3.3Vdc from host equipment Modulation Type GFSK, π/4-DQPSK, 8DPSK for FHSS CCK, DQPSK, DBPSK for DSSS 64QAM, 16QAM, QPSK, BPSK for OFDM 256QAM for OFDM in 11ac mode and VHT20/40 in 2.
MT7921K Install User Guideline: Part-I Confidential B 3.2 Antenna information The antennas mentioned below are covered in the certification scope and the HOST can only be used with the following antennas: Ant. RF Chain No. Brand Set Chain0 Cortec Chain1 Cortec Model AN2450-4902BRS 1 AN2450-4902BRS RFMTA340718EML B302 RFMTA340718EML B302 Chain0 PSA Chain1 PSA Chain0 PSA RFMTA311020EMM B301 Chain1 PSA RFMTA311020EMM B301 2 3 Ant. Net Gain (dBi) Freq. Range (GHz) 2.42 3.87 2.42 3.87 3.
MT7921K Install User Guideline: Part-I Confidential B 3.3 Host Integration instructions The product is designed to be used with “NGFF (Next Generation Form Factor) M.2 2230” PCIE Bus, please install module into a M.2 2230 PCIE slot. 3.4 Host product testing guidance HOST must follow the specific restrictions listed in “3.5 Regulatory notes” section below and section 3 of KDB996369 D04 V02 Module Integration Guide v01, to verify that the host product meets all the applicable rules.
MT7921K Install User Guideline: Part-I Confidential B 3.5 Regulatory notes 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.
MT7921K Install User Guideline: Part-I Confidential B This module is intended for OEM integrators only. Per FCC KDB 996369 D03 OEM Manual v01 guidance, the following conditions must be strictly followed when using this certified module: KDB 996369 D03 OEM Manual v01 rule sections: 2.2 List of applicable FCC rules This module has been tested for compliance to FCC Part 15 Subpart C (15.247) and Subpart E (15.407). Device is tested for compliance as a low power indoor client device within 5.925–7.125 GHz band.
MT7921K Install User Guideline: Part-I Confidential B 2.7 Antennas The following antennas have been certified for use with this module; antennas of the same type with equal or lower gain may also be used with this module except for operations within the 5.925~7.125GHz band. Use of any other antenna with a lower or higher gain in this band will require a separate reassessment through a Class II Permissive Change application or new certification. 2.
MT7921K Install User Guideline: Part-I Confidential B As long as all conditions above are met, further transmitter test will not be required. However, the OEM integrator is still responsible for testing their end-product for any additional compliance requirements required with this module installed.
