Mediatek MT7922A22M 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: V0.3
Release Date: 2021-07-28
MT7922A22M
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
V0.3 20210728 Add 6GHZ SPEC.
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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
3
General Information & Integration Instructions ..................................................................... 11
3.1
General Description of MT7921K ...................................................................................... 11
3.2
Antenna information .......................................................................................................... 13
3.3
Host Integration instructions .............................................................................................. 14
3.4
Host product testing guidance ........................................................................................... 14
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1 System overview
1.1
General Description
MT7922A22M 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
MT7922A22M supports USB, SDIO and PCIE interface. According to interface type of MT7922A22M 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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3 General Information & Integration Instructions
3.1 General Description of MT7922A22M
Product
2TX 11ax (WiFi6E) BW160 + BT/BLE Combo Card
Brand
MediaTek
Model
MT7922A22M
Power Supply
R
ating
3.3Vdc from host equipment
Modulation Type
GFSK, π/4-DQPSK, 8DPSK for FHSS
CCK, DQPSK, DBPSK for DSSS
256QAM, 64QAM, 16QAM, BPSK, QPSK for OFDM
1024QAM, 256QAM, 64QAM, 16QAM, QPSK, BPSK for OFDM
Modulation Technology
BT EDR:
FHSS
BT LE: GFSK
WLAN: DSSS, OFDM, OFDMA
Transfer Rate
BT EDR:
up to 3 Mbps
BT LE: up to 2 Mbps
802.11b: up to 11 Mbps
802.11g: up to 54 Mbps
802.11n: up to 300 Mbps
VHT20/40: up to 400 Mbps
802.11ax: up to 573.5 Mbps
802.11a: up to 54/48/36/24/18/12/9/6 Mbps
802.11n: up to 300 Mbps
802.11ac: up to 1733.3 Mbps
802.11ax: up to 2401.9 Mbps
Operating Frequency
2402MHz ~ 2480MHz
BT LE: 2402MHz ~ 2480MHz
2.4GHz: 2.412 ~ 2.472GHz
5GHz: 5.18~5.32GHz, 5.50~5.72GHz, 5.745 ~ 5.825GHz
6GHz: 5.99~6.415GHz, 6.435~6.525GHz, 6.525~6.875GHz, 6.875~7.115GHz
Number of Channel
BT EDR:
79
BT LE: 40
2.4GHz:
802.11b, 802.11g, 802.11n (HT20), VHT20, 802.11ax (HE20): 13
802.11n (HT40), VHT40, 802.11ax (HE40): 9
5GHz:
5180~5320MHz
802.11a, 802.11n (HT20), 802.11ac (VHT20), 802.11ax (HE20): 8
802.11n (HT40), 802.11ac (VHT40), 802.11ax (HE40): 4
802.11ac (VHT80), 802.11ax (HE80): 2
802.11ac (VHT160), 802.11ax (HE160): 1
5500~5720MHz
802.11a, 802.11n (HT20), 802.11ac (VHT20), 802.11ax (HE20): 12
802.11n (HT40), 802.11ac (VHT40), 802.11ax (HE40): 6
802.11ac (VHT80), 802.11ax (HE80): 3
802.11ac (VHT160), 802.11ax (HE160): 1
5745~5825MHz
802.11a, 802.11n (HT20), 802.11ac (VHT20), 802.11ax (HE20): 5
802.11n (HT40), 802.11ac (VHT40), 802.11ax (HE40): 2
802.11ac (VHT80), 802.11ax (HE80): 1
6GHz:
802.11a/ax (HE20): 59
802.11ax (HE40): 29
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802.11ax (HE80): 14
802.11ax (HE160): 7
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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.
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)
3
Chain0 VSO
JR2Q00340-1
1.62
3.2
3.93
3.61
3.61
3.14
2.4~2.4835
5.15~5.85
5.925~6.425
6.425~6.525
6.525~6.875
6.875~7.125
Dipole RP SMA
PLUG
Chain1 VSO
JR2Q00340-1
1.62
3.2
3.93
3.61
3.61
3.14
2.4~2.4835
5.15~5.85
5.925~6.425
6.425~6.525
6.525~6.875
6.875~7.125
Dipole RP SMA
PLUG
4
Chain0 Cortec
AN2450-4902BRS 2.42
3.87
2.4~2.4835
5.15~5.85 Dipole RP SMA
Chain1 Cortec
AN2450-4902BRS 2.42
3.87
2.4~2.4835
5.15~5.85 Dipole RP SMA
Please note that the above antennas are custom made for MediaTek MT7922A22M module and are not
listed in Walsin Technology Corp standard catalogs. For the purchase of these antennas, please contact
Walsin Technology as listed below directly. Only the above antennas are tested for compliance with the FCC
rules, and all other antennas (even same type with lower gain) will require a re-assessment to be used with
this module.
Contact info for above certified antennas:
Company/Dept.: Walsin Technology Corp./ Antenna Business Dept.
Contact window: Andrew Lin
Tel: +886-3-475-8711 # 8172
Cell phone: +886-938-286-596
Email address: andrewlin@passivecomponent.com
URL link: http://www.passivecomponent.com/zh-hant/products/antenna/
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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.
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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.
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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).
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.
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.
This device was tested for typical body-worn operations. To comply with RF exposure
requirements, a minimum separation distance of 5 mm must be maintained between the user’s
body and the handset, including the antenna. Third-party belt-clips, holsters, and similar
accessories used by this device should not contain any metallic components. Body-worn
accessories that do not meet these requirements may not comply with RF exposure
requirements and should be avoided.
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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)
3
Chain0 VSO
JR2Q00340-1
1.62
3.2
3.93
3.61
3.61
3.14
2.4~2.4835
5.15~5.85
5.925~6.425
6.425~6.525
6.525~6.875
6.875~7.125
Dipole RP SMA
PLUG
Chain1 VSO
JR2Q00340-1
1.62
3.2
3.93
3.61
3.61
3.14
2.4~2.4835
5.15~5.85
5.925~6.425
6.425~6.525
6.525~6.875
6.875~7.125
Dipole RP SMA
PLUG
4
Chain0 Cortec
AN2450-4902BRS 2.42
3.87
2.4~2.4835
5.15~5.85 Dipole RP SMA
Chain1 Cortec
AN2450-4902BRS 2.42
3.87
2.4~2.4835
5.15~5.85 Dipole RP SMA
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-MTMT7922A22M”. 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.
2.7 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 .
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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.
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.
Modules: extended to host manufacturers by integration instructions.
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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.
This device is intended only for OEM integrators under the following conditions: (For module
device use)
1) The antenna must be installed and operated with greater than 20cm between the antenna and
users, and
2) The transmitter module may not be co-located with any other transmitter or antenna.
As long as 2 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.
Cet appareil est conçu uniquement pour les intégrateurs OEM dans les conditions suivantes:
(Pour utilisation de dispositif module)
1) L'antenne doit être installé et exploité avec plus de 20 cm entre l'antenne et les utilisateurs, et
2) Le module émetteur peut ne pas être coïmplanté avec un autre émetteur ou antenne.
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Tant que les 2 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 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-MT7922A22M”.
Plaque signalétique du produit final
Ce module émetteur est autorisé uniquement pour une utilisation dans un appareil 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-MT7922A22M
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.
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Mediatek MT7922A22M Mode d'emploi

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