Realtek RTL8852B User manual

RTL8852B User’s Manual
(RTL8852B)
11ax RTL8852B M.2 1216 Combo module
User’s Manual
Preliminary Version
2021/05/13
Realtek Semiconductor Corp.
No. 2, Innovation Road II, Hsinchu Science Park, Hsinchu 300, Taiwan
Tel.: [phone]. Fax: [phone]
www.realtek.com

RTL8852B User’s Manual
C ONTENT
ENVIRONMENTAL ..........................................................................................................................3
O PERATING ............................................................................................................................................3
S TORAGE ................................................................................................................................................3
MTBF CACULATION ..............................................................................................................................3
WARNING ..........................................................................................................................................4
Federal Communication Commission Interference Statement ......................4
I NDUSTRY C ANADA S TATEMENT .........................................................................................................11
NCC 警語....................................................................................................11

RTL8852B User’s Manual
ENVIRONMENTAL
Operating
Operating Temperature: -20°C to +70 °C
Relative Humidity: 5-90% (non-condensing)
Storage
Temperature: -40°C to +80°C (non-operating)
Relevant Humidity: 5-95% (non-condensing)
MTBF caculation
Over 150,000hours

RTL8852B User’s Manual
Warning
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.
Operations in the 5.15-5.25GHz band are restricted to indoor usage only.
This device meets all the other requirements specified in Part 15E, Section

RTL8852B User’s Manual
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.
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
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) or being
used in a portable condition will need a separate reassessment through a
class II permissive change application or new certification.
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. If the module is installed in a portable host, a separate SAR
evaluation is required to confirm compliance with relevant FCC portable
RF exposure rules.
2.7 Antennas
The following antennas have been certified for use with this module; antennas of the

RTL8852B User’s Manual
same type with equal or lower gain may also be used with this module. The antenna
must be installed such that 20 cm can be maintained between the antenna and users.
2.8 Label and compliance information
The final end product must be labeled in a visible area with the following:
“Contains FCC ID: TX2-RTL8852B ”. 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) or
portable use will require a separate 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.
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.

RTL8852B User’s Manual
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
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

RTL8852B User’s Manual
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 2conditions 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.
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.
NOTE IMPORTANTE:
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.

RTL8852B User’s Manual
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:
6317A-RTL8852B”.
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: 6317A-RTL8852B ".
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 indiquédans 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;

RTL8852B User’s Manual
(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 :
(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
This radio transmitter [IC: 6317A-RTL8852B] has been approved by Innovation,
Science and Economic Development Canada to operate with the antenna types listed
below, with the maximum permissible ain indicated. Antenna types not included in
this list that have a ain reater than the maximum ain indicated for any type listed
are strictly prohibited for use with this device.
Le présent émetteur radio [IC: 6317A-RTL8852B] a été approuvé par Innovation,
Sciences et Développement économique Canada pour fonctionner avec les types
d'antenne énumérés ci-dessous et ayant un ain admissible maximal. Les types