Model: MT7921 2TX 11ax (WiFi6) + BLE Combo Card Test-Mode Software Application Note Part-1: QA-Tool User Guideline Version: V0.3 Release Date: 2020-07-24 © 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.
MT7921 SW Tool AN: Part-I Confidential B Document Revision History Version Date Author V0.1 20200217 Jane V0.2 20200227 Jian-Lun V0.3 20200724 TW MediaTek Confidential Change List Initial draft release. 2nd draft release. Added 2.3.9~2.3.17 Add section 2.5 for dual-band dual concurrent (DBDC) operation © 2020 MediaTek Inc. This document contains information that is proprietary to MediaTek Inc.
MT7921 SW Tool AN: Part-I Confidential B Table of Contents Document Revision History ................................................................................................................. 2 Table of Contents .................................................................................................................................. 3 1 System overview ......................................................................................................................... 4 1.
MT7921 SW Tool AN: Part-I Confidential B 1 1.1 System overview General Description MT7921 chip is highly integrated single chip which have built in 2x2 dual-band wireless LAN and Bluetooth combo radio. It can be configured in test-mode for performance validation, production testing and regulatory certification. There are two software tools, QA-Tool and Combo-Tool responsible for evaluating WIFI and Bluetooth signal and performance testing. This document is introducing how to install and use QA-Tool.
MT7921 SW Tool AN: Part-I Confidential B 2 QA-Tool Users have to install 3 major software before using QA-Tool. WinPcap Windows7 X64 security package QA-Tool Windows driver MTK strongly recommends install QA-Tool on Windows 7-64bit operating system. 2.1 How to install QA-tool Please follow the procedure listed in below to install QA-Tool 1st : Install WinPcap 2nd : Update Windows7 security package to register x64 signature mechanism 3rd : Instal QA-Tool Windows driver.
MT7921 SW Tool AN: Part-I Confidential B 2.1.1 Install WinPcap If users are the 1st time operating this tool, users should install WinpCap at first. Please follow below link and steps to install this software. https://www.winpcap.org/install/ WinPcap version: 4.1.2 or later. 1 2 3 4 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.
MT7921 SW Tool AN: Part-I Confidential B 2.1.2 Windows 7 Security for new x64 signature mechanism If you are the 1st time to use this tool, you should update Windows Security for new X64 signature mechanism at first. Please follow below link to install this software. https://www.microsoft.com/en-us/download/details.aspx?id=46148 MediaTek Confidential © 2020 MediaTek Inc. This document contains information that is proprietary to MediaTek Inc.
MT7921 SW Tool AN: Part-I Confidential B 2.1.3 Windows 10 install note If users 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. Execute ‘bcdedit /set nointegritychecks on’ 3. Reboot 4. Then install again. If still fail, try do ‘Disable Secure Boot’ below.
MT7921 SW Tool AN: Part-I Confidential B 2.1.4 QA-Tool Windows driver MT7921 supports USB, SDIO and PCIE interface. According to interface type of MT7921 on users’ hand, please refer to steps shown below to install QA-Tool Windows driver: USB 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.
MT7921 SW Tool AN: Part-I Confidential B 4. Right-click on “WiFi_If” Wifi device and Update Driver Software. 5. According user’s Windows’ OS to select and install test tool 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.
MT7921 SW Tool AN: Part-I Confidential B 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.
MT7921 SW Tool AN: Part-I Confidential B SDIO interface: 1. Connect DUT to PC/NB and check Windows Device Manager. 2. Window Device Manager would discover DUT shows two “Generic SDIO Device”. User should check DUT VID and PID from “Hardware Ids” of Device Manager to know WiFi and BT device. Please refer to following figure and table to identify WIFI and BT devices: Hardware Ids Feature SD\VID_037a&PID_7961&FN_1 MT7961S-WiFi SD\VID_037a&PID_7961&FN_2 MT7961S-BT MediaTek Confidential © 2020 MediaTe
MT7921 SW Tool AN: Part-I Confidential B 3. 4. 5. Right click the “7961 Combo” BT device (SD\VID_037a&PID_7961&FN_2) and select disable as follows. Right-click on “7961 Combo” Wifi device (SD\VID_037a&PID_7961&FN_1) and Update Driver Software. According user’s Windows’ OS to select and install test tool driver. MediaTek Confidential © 2020 MediaTek Inc. This document contains information that is proprietary to MediaTek Inc.
MT7921 SW Tool AN: Part-I Confidential B 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.
MT7921 SW Tool AN: Part-I Confidential B MT7921 support only below dual-band dual-concurrent (DBDC) mode operation: (Tab TX/RX) TX0/RX0 transceiver is operating in 5GHz (A-band) (Tab TX/RX Band 1) TX1/RX1 transceiver is operation in 2.4GHz (G-band) 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.
MT7921 SW Tool AN: Part-I Confidential B 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.
MT7921 SW Tool AN: Part-I Confidential B 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. For specific portable application, please follow grant condition(s).
MT7921 SW Tool AN: 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. 2.8 Label and compliance information The final end product must be labeled in a visible area with the following: “Contains FCC ID: RAS-MT7921”. The grantee's FCC ID can be used only when all FCC compliance requirements are met. 2.
MT7921 SW Tool AN: Part-I Confidential B Manual Information To the End User The OEM integrator has to be aware not to provide information to the end user regarding how to install or remove this RF module in the user’s manual of the end product which integrates this module. The end user manual shall include all required regulatory information/warning as show in this manual. OEM/Host manufacturer responsibilities OEM/Host manufacturers are ultimately responsible for the compliance of the Host and Module.
MT7921 SW Tool AN: Part-I Confidential B Industry Canada statement: This device complies with ISED’s licence-exempt RSSs. 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. Le présent appareil est conforme aux CNR d’ ISED applicables aux appareils radio exempts de licence.
MT7921 SW Tool AN: Part-I Confidential B IMPORTANT NOTE: In the event that these conditions can not be met (for example certain laptop configurations or colocation with another transmitter), then the Canada authorization is no longer considered valid and the IC ID can not be used on the final product. In these circumstances, the OEM integrator will be responsible for re-evaluating the end product (including the transmitter) and obtaining a separate Canada authorization.
MT7921 SW Tool AN: Part-I Confidential B Caution : (i) the device for operation in the band 5150-5250 MHz is only for indoor use to reduce the potential for harmful interference to co-channel mobile satellite systems; (ii) for devices with detachable antenna(s), the maximum antenna gain permitted for devices in the bands 5250-5350 MHz and 5470-5725 MHz shall be such that the equipment still complies with the e.i.r.p.
MT7921 SW Tool AN: Part-I Confidential B in this list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited for use with this device. Le présent émetteur radio (IC: 7542A-MT7921 / Model: MT7921) a été approuvé par ISED pour fonctionner avec les types d'antenne énumérés ci-dessous et ayant un gain admissible maximal.
MT7921 SW Tool AN: Part-I Confidential B 取得審驗證明之低功率射頻器材,非經核准,公司、商號或使 用者均不得擅自變更頻率、加大功率或變更原設計之特性及功能。 低功率射頻器材之使用不得影響飛航安全及干擾合法通信;經發現有干擾現象時, 應立即停用,並改善至無干擾時方得繼續使用。前述合法通信, 指依電信管理法規定作業之無線電通信。 低功率射頻器材須忍受合法通信或工業、科學及醫療用電波輻射性電機設備之干擾。 前項合法通信,指依電信法規定作業之無線電通信。 低功率射頻電機須忍受合法通信或工業、科學及醫療用電波輻射性電機設備之干擾。 系統廠商應於平台上標示「內含射頻模組(組件): XXXyyyLPDzzzz-x」字樣。 應避免影響附近雷達系統之操作。 高增益指向性天線只得應用於固定式點對點系統。 MediaTek Confidential © 2020 MediaTek Inc. This document contains information that is proprietary to MediaTek Inc.