Mediatek MT7922A12L Mode d'emploi

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Mode d'emploi
© 2021 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.
Version: V0.2
Release Date: 2021-03-10
MT7922A12L
Test-Mode Software Application Note
Part-1: QA-Tool User Guideline
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Document Revision History
Version Date Author Change List
V0.1 20210303 Yi-Yan Initial draft release.
V0.2 20210310 Yi-Yan Add section 2.6
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Table of Contents
Document Revision History ........................................................................................................................ 2
Table of Contents ...................................................................................................................................... 3
1
System overview ............................................................................................................................. 4
1.1
General Description ................................................................................................................ 4
2
QA-Tool .......................................................................................................................................... 5
2.1
How to install QA-tool ............................................................................................................ 5
2.1.1
Install WinPcap ...................................................................................................... 6
2.1.2
Windows 10 install note ......................................................................................... 7
2.1.3
QA-Tool Windows driver ........................................................................................ 8
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1 System overview
1.1
General Description
MT7922A12L 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.
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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
1
st
: Install WinPcap
2
nd
: Update Windows7 security package to register x64 signature mechanism
3
rd
: Instal QA-Tool Windows driver.
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2.1.1 Install WinPcap
If users are the 1
st
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
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2.1.2 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.
NOTE: Re-enable the driver integrity check by executing ‘bcdedit /set nointegritychecks off’ and then
rebooting.
Disable Secure Boot
Please refer to:
https://docs.microsoft.com/en-us/windows-hardware/manufacture/desktop/disabling-secure-boot
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2.1.3 QA-Tool Windows driver
MT7922A12L supports USB, SDIO and PCIE interface. According to interface type of MT7922A12L 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. Right click the “Generic Bluetooth Adapter” BT device and select disable as follows.
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4. Right-click onWiFi_If” Wifi device and Update Driver Software.
5. According user’s Windows’ OS to select and install test tool driver.
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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. 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 interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
- Consult the dealer or an experienced radio/TV technician for help.
FCC Caution: Any changes or modifications not expressly approved by the party responsible
for compliance could void the user's authority to operate this equipment.
This transmitter must not be co-located or operating in conjunction with any other antenna or
transmitter.
This device meets all the other requirements specified in Part 15E, Section 15.407 of the FCC
Rules.
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.
Radiation Exposure Statement:
The product comply with the FCC portable RF exposure limit set forth for an uncontrolled environment
and are safe for intended operation as described in this manual. The further RF exposure reduction
can be achieved if the product can be kept as far as possible from the user body or set the device to
lower output power if such function is available.
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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.
2.3 Summarize the specific operational use conditions
The module is tested for standalone mobile RF exposure use condition. Any other usage
conditions such as co-location with other transmitter(s) will need a separate reassessment
through a class II permissive change application or new certification.
This module is authorized for Low Power Indoor Client applications only; final host product
must be for indoor operations only.
Further operation restrictions on the host product include:
*Prohibited for control of or communications with unmanned aircraft systems, including
drones.*
2.4 Limited module procedures
Not applicable.
2.5 Trace antenna designs
Not applicable.
2.6 RF exposure considerations
This equipment complies with FCC mobile radiation exposure limits set forth for an
uncontrolled environment. This equipment should be installed and operated with a minimum
distance of 20cm between the radiator & your body. A separate SAR/Power Density evaluation
is required to confirm compliance with relevant FCC portable RF exposure rules.
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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.
Ant.
Set RF Chain No.
Brand Model Ant. Net Gain
(dBi) Freq. Range (GHz) Ant. Type Connector
Type
1
Chain0 PSA RFMTA340718EMLB302 3.18
4.92
2.4~2.4835
5.15~5.85 PIFA i-pex(MHF)
Chain1 PSA RFMTA340718EMLB302 3.18
4.92
2.4~2.4835
5.15~5.85 PIFA i-pex(MHF)
2
Chain0 PSA RFMTA311020EMMB301
1.71
4.82
4.76
4.29
4.61
4.09
2.4~2.4835
5.15~5.85
5.925~6.425
6.425~6.525
6.525~6.875
6.875~7.125
PIFA i-pex(MHF)
Chain1 PSA RFMTA311020EMMB301
1.71
4.82
4.76
4.29
4.61
4.09
2.4~2.4835
5.15~5.85
5.925~6.425
6.425~6.525
6.525~6.875
6.875~7.125
PIFA i-pex(MHF)
IMPORTANT: The final host product must have an integral antenna which is not removable by
the end-user.
2.8 Label and compliance information
The final end product must be labeled in a visible area with the following: “Contains FCC ID:
RAS-MT7922A12L”. The grantee's FCC ID can be used only when all FCC compliance
requirements are met.
2.9 Information on test modes and additional testing requirements
This transmitter is tested in a standalone mobile RF exposure condition and any co-located or
simultaneous transmission with other transmitter(s) class II permissive change re-evaluation or
new certification.
2.10 Additional testing, Part 15 Subpart B disclaimer
This transmitter module is tested as a subsystem and its certification does not cover the FCC
Part 15 Subpart B (unintentional radiator) rule requirement applicable to the final host. The
final host will still need to be reassessed for compliance to this portion of rule requirements if
applicable.
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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.
IMPORTANT NOTE: In the event that these conditions can not be met (for example certain
laptop configurations or co-location with another transmitter), then the FCC authorization is no
longer considered valid and the FCC 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 FCC authorization.
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. The final product must be reassessed against all the essential requirements of the
FCC rule such as FCC Part 15 Subpart B before it can be placed on the US market. This
includes reassessing the transmitter module for compliance with the Radio and EMF essential
requirements of the FCC rules. This module must not be incorporated into any other device or
system without retesting for compliance as multi-radio and combined equipment.
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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. L’exploitation est autorisée aux deux conditions suivantes : (1) le dispositif ne doit pas
produire de brouillage préjudiciable, et (2) ce dispositif doit accepter tout brouillage reçu, y compris un
brouillage susceptible de provoquer un fonctionnement indésirable.
Radiation Exposure Statement:
This equipment complies with ISED radiation exposure limits set forth for an uncontrolled
environment. This equipment should be installed and operated with greater than 20cm between the
radiator & your body.
Déclaration d'exposition aux radiations:
Cet équipement est conforme aux limites d'exposition aux rayonnements ISED établies pour un
environnement non contrôlé. Cet équipement doit être installé et utilisé à plus de 20 cm entre le
radiateur et votre corps.
Radiation Exposure Statement:
The product comply with the Canada portable RF exposure limit set forth for an uncontrolled
environment and are safe for intended operation as described in this manual. The further RF exposure
reduction can be achieved if the product can be kept as far as possible from the user body or set the
device to lower output power if such function is available.
Déclaration d'exposition aux radiations:
Le produit est conforme aux limites d'exposition pour les appareils portables RF pour les Etats-Unis et
le Canada établies pour un environnement non contrôlé.
Le produit est sûr pour un fonctionnement tel que décrit dans ce manuel. La réduction aux expositions
RF peut être augmentée si l'appareil peut être conservé aussi loin que possible du corps de
l'utilisateur ou que le dispositif est réglé sur la puissance de sortie la plus faible si une telle fonction
est disponible.
This device is intended only for OEM integrators under the following conditions: (For module
device use)
1) The transmitter module may not be co-located with any other transmitter or antenna.
As long as 1 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.
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Cet appareil est conçu uniquement pour les intégrateurs OEM dans les conditions suivantes:
(Pour utilisation de dispositif module)
1) Le module émetteur peut ne pas être coïmplanté avec un autre émetteur ou antenne.
Tant que les 1 conditions ci-dessus sont remplies, des essais supplémentaires sur l'émetteur ne
seront pas nécessaires. Toutefois, l'intégrateur OEM est toujours responsable des essais sur son
produit final pour toutes exigences de conformité supplémentaires requis pour ce module installé.
IMPORTANT NOTE:
In the event that these conditions can not be met (for example certain laptop configurations or co-
location 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.
IMPORTANTENOTE
Dans le cas où ces conditions ne peuvent être satisfaites (par exemple pour certaines configurations
d'ordinateur portable ou de certaines co-localisation avec un autre émetteur), l'autorisation du Canada
n'est plus considéré comme valide et l'ID IC ne peut pas être utilisé sur le produit final. Dans ces
circonstances, l'intégrateur OEM sera chargé de réévaluer le produit final (y compris l'émetteur) et
l'obtention d'une autorisation distincte au Canada.
End Product Labeling
This transmitter module is authorized only for use in device where the antenna may be installed and
operated with greater than 20cm between the antenna and users. The final end product must be
labeled in a visible area with the following: “Contains IC:7542A-MT7922A12L”.
Plaque signalétique du produit final
Ce module émetteur est autorisé uniquement pour une utilisation dans un appareil où l’antenne peut
être installée et utilisée à plus de 20 cm entre l’antenne et les utilisateurs. Le produit final doit être
étiqueté dans un endroit visible avec l'inscription suivante: "Contient des IC: 7542A-MT7922A12L
End Product Labeling
The product can be kept as far as possible from the user body or set the device to lower output power
if such function is available. The final end product must be labeled in a visible area with the following:
“Contains IC: 7542A-MT7922A12L”.
Plaque signalétique du produit final
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L'appareil peut être conservé aussi loin que possible du corps de l'utilisateur ou que le dispositif est
réglé sur la puissance de sortie la plus faible si une telle fonction est disponible. Le produit final doit
être étiqueté dans un endroit visible avec l'inscription suivante: "Contient des IC: 7542A-MT7922A12L .
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.
Manuel d'information à l'utilisateur final
L'intégrateur OEM doit être conscient de ne pas fournir des informations à l'utilisateur final quant à la
façon d'installer ou de supprimer ce module RF dans le manuel de l'utilisateur du produit final qui
intègre ce module.
Le manuel de l'utilisateur final doit inclure toutes les informations réglementaires requises et
avertissements comme indiqué dans ce manuel.
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. limit;
(iii) for devices with detachable antenna(s), the maximum antenna gain permitted for devices in the
band 5725-5850 MHz shall be such that the equipment still complies with the e.i.r.p. limits as
appropriate;
(iv) where applicable, antenna type(s), antenna models(s), and worst-case tilt angle(s) necessary to
remain compliant with the e.i.r.p. elevation mask requirement set forth in section 6.2.2.3 shall be
clearly indicated.
Avertissement:
Le guide d’utilisation des dispositifs pour réseaux locaux doit inclure des instructions précises sur les
restrictions susmentionnées, notamment :
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(i) les dispositifs fonctionnant dans la bande 5150-5250 MHz sont réservés uniquement pour une
utilisation à l’intérieur afin de réduire les risques de brouillage préjudiciable aux systèmes de satellites
mobiles utilisant les mêmes canaux;
(ii) pour les dispositifs munis d’antennes amovibles, le gain maximal d’antenne permis pour les
dispositifs utilisant les bandes de 5 250 à 5 350 MHz et de 5 470 à 5 725 MHz doit être conforme à la
limite de la p.i.r.e;
(iii) pour les dispositifs munis d’antennes amovibles, le gain maximal d’antenne permis (pour les
dispositifs utilisant la bande de 5 725 à 5 850 MHz) doit être conforme à la limite de la p.i.r.e.
spécifiée, selon le cas;
(iv) lorsqu’il y a lieu, les types d’antennes (s’il y en a plusieurs), les numéros de modèle de l’antenne
et les pires angles d’inclinaison nécessaires pour rester conforme à l’exigence de la p.i.r.e. applicable
au masque d’élévation, énoncée à la section 6.2.2.3, doivent être clairement indiqués
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DETACHABLE ANTENNA USAGE
This radio transmitter (IC: 7542A-MT7922A12L / Model: MT7922A12L) has been approved by ISED to
operate with the antenna type listed below with maximum permissible gain indicated. Antenna types
not included 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-MT7922A12L / Model: MT7922A12L) a été approuvé par ISED
pour fonctionner avec les types d'antenne énumérés ci-dessous et ayant un gain admissible maximal.
Les types d'antenne non inclus dans cette liste, et dont le gain est supérieur au gain maximal indiqué,
sont strictement interdits pour l'exploitation de l'émetteur.
Approved antenna(s) list
Ant.
Set RF Chain No.
Brand Model Ant. Net Gain
(dBi) Freq. Range (GHz) Ant. Type Connector
Type
1
Chain0 PSA RFMTA340718EMLB302 3.18
4.92
2.4~2.4835
5.15~5.85 PIFA i-pex(MHF)
Chain1 PSA RFMTA340718EMLB302 3.18
4.92
2.4~2.4835
5.15~5.85 PIFA i-pex(MHF)
2
Chain0 PSA RFMTA311020EMMB301
1.71
4.82
4.76
4.29
4.61
4.09
2.4~2.4835
5.15~5.85
5.925~6.425
6.425~6.525
6.525~6.875
6.875~7.125
PIFA i-pex(MHF)
Chain1 PSA RFMTA311020EMMB301
1.71
4.82
4.76
4.29
4.61
4.09
2.4~2.4835
5.15~5.85
5.925~6.425
6.425~6.525
6.525~6.875
6.875~7.125
PIFA i-pex(MHF)
IMPORTANT: The final host product must have an integral antenna which is not removable by the
end-user.
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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。
本模組於取得認證後將依規定於模組本體標示審驗合格標籤。
系統廠商應於平台上標示「本產品內含射頻模組:
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。
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Mediatek MT7922A12L Mode d'emploi

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