Guangzhou Elite Education Technology LY-C3-22P WiFi and BLE Module User Manual
- June 3, 2024
- Guangzhou Elite Education Technology
Table of Contents
Guangzhou Elite Education Technology LY-C3-22P WiFi and BLE Module
LY-C3-22P WIFI&BLE-MODULE
This is a support WIFI b/g/n and BLE5 RF module， The module makes the host application development easier as a bridge of smartphone peripherals. User’s’existing products or solutions with this module can communicate with mobile devices (with Bluetooth 5.0 and WIFI b/g/n), and realize intelligent control and management under the bridge (serial port) mode. Users can design their own solutions or products to use the module to extend simple peripherals under the direct driving mode,to release new peripherals at the lowest cost and efficiency. It works in the 2.4 GHz ISM band， BLE works at 2402 MHZ to 2480 MHZ, and wifi works at 2412 MHZ to 2472 MHZ band， The maximum output power control of the radio frequency in 17 bgn wifi b mode.
Features
- Convenient, do without any Bluetooth protocol stack application experience.
- Using universal serial to design users’ interface with bi-directional reading and simple operation
- Dimensional channel design, minimizes data packet processing and maximizes communication efficiency.
- Ultra-low power consumption in standby mode.
Applications:
- 2.4-GHz Bluetooth low energy Systems
- Mobile Phone Accessories
- Sports and Leisure Equipment
- Health Care and Medical
- Home and Building Automation
- Consumer Electronics
FCC WARNING
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 device complies with Part 15 of the
FCC Rules.
Operation is subject to the following two conditions:
-
This device may not cause harmful interference, and
-
this device must accept any interference received, including interference that may cause undesired operation.
This device and its antenna(s) must not be co-located or operating in conjunction with any other antenna or transmitter.
15.105 Information to the user. -
For a Class B digital device or peripheral, the instructions furnished the user shall include the following or similar statement, placed in a prominent location in the text of the manual:
Note: 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 or more 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.
- This equipment complies with FCC radiation exposure limits set forth for an uncon-trolled environment. This equipment should be installed and operated with minimum distance 20 cm between the radiator and your body.
Radiation Exposure Statement:
- This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.
- This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
- The availability of some specific channels and/or operational frequency bands are country dependent and are firmware programmed at the factory to match the intended destination.
- The firmware setting is not accessible by the end user.
- The final end product must be labelled in a visible area with the following:
“Contains Transmitter Module “2A8RE-C322P”
Requirement per KDB996369 D03
List of applicable FCC rules
List the FCC rules that are applicable to the modular transmitter. These are the rules that specifically establish the bands of operation, the power, spurious emissions, and operating fundamental frequencies. DO NOT list compliance to unintentional-radiator rules (Part 15 Subpart B) since that is not a condition of a module grant that is extended to a host manufacturer. See alsoSection 2.10 below concerning the need to notify host manufacturers that further testing is required.3
Explanation: This module meets the requirements of FCC part 15C (15.247).it Specifically identified AC Power Line Conducted Emission, Radiated Spurious emissions, Band edge and RF Conducted Spurious Emissions, Conducted Peak Output Power, Bandwidth, Power Spectral Density, Antenna Requirement.
Summarize the specific operational use conditions
Describe use conditions that are applicable to the modular transmitter, including for example any limits on antennas, etc. For example, if point-to- point antennas are used that require reduction in power or compensation for cable loss, then this information must be in the instructions. If the use condition limitations extend to professional users, then instructions must state that this information also extends to the host manufacturer’s instruction manual. In addition, certain information may also be needed, such as peak gain per frequency band and minimum gain, specifically for master devices in 5 GHz DFS bands.
Explanation:
The product antenna uses an irreplaceable antenna with a gain of 0dBi 2.4
Single Modular If a modular transmitter is approved as a “Single Modular,”
then the module manufacturer is responsible for approving the host environment
that the Single Modular is used with. The manufacturer of a Single Modular
must describe, both in the filing and in the installation instructions, the
alternative means that the Single Modular manufacturer uses to verify that the
host meets the necessary requirements to satisfy the module limiting
conditions.
A Single Modular manufacturer has the flexibility to define its alternative
method to address the conditions that limit the initial approval, such as
shielding, minimum signaling amplitude, buffered modulation/data inputs, or
power supply regulation. The alternative method could include the limited
module manufacturer reviewing detailed test data or host designs prior to
giving the host manufacturer approval.
This Single Modular procedure is also applicable for RF exposure evaluation
when it is necessary to demonstrate compliance in a specific host. The module
manufacturer must state how control of the product into which the modular
transmitter will be installed will be maintained such that full compliance of
the product is always ensured. For additional hosts other than the specific
host originally granted with a limited module, a Class II permissive change is
required on the module grant to register the additional host as a specific
host also approved with the module. Explanation: The module is a single
module.
Trace antenna designs
For a modular transmitter with trace antenna designs, see the guidance in Question 11 of KDB Publication 996369 D02 FAQ – Modules for Micro-Strip Antennas and traces. The integration information shall include for the TCB review the integration instructions for the following aspects: layout of trace design, parts list (BOM), antenna, connectors, and isolation requirements.
- Information that includes permitted variances (e.g., trace boundary limits, thickness, length, width, shape(s), dielectric constant, and impedance as applicable for each type of antenna);
- Each design shall be considered a different type (e.g., antenna length in multiple(s) of frequency, the wavelength, and antenna shape (traces in phase) can affect antenna gain and must be considered);
- The parameters shall be provided in a manner permitting host manufacturers to design the printed circuit (PC) board layout;
- Appropriate parts by manufacturer and specifications;
- Test procedures for design verification; and f) Production test procedures for ensuring compliance
The module grantee shall provide a notice that any deviation(s) from the defined parameters of the antenna trace, as described by the instructions, requires that the host product manufacturer must notify the module grantee that they wish to change the antenna trace design. In this case, a Class II permissive change application is required to be filed by the grantee, or the host manufacturer can take responsibility through the change in FCC ID (new application) procedure followed by a Class II permissive change application
RF exposure considerations
It is essential for module grantees to clearly and explicitly state the RF exposure conditions that permit a host product manufacturer to use the module . Two types of instructions are required for RF exposure information:
- to the host product manufacturer, to define the application conditions (mobile, portable – xx cm from a person’s body); and
- additional text needed for the host product manufacturer to provide to end users in their end-product manuals. If RF exposure statements and use conditions are not provided, then the host product manufacturer is required to take responsibility of the module through a change in FCC ID (new application).
Explanation: The module complies with FCC radiofrequency radiation exposure limits for uncontrolled environments. The device is installed and operated with a distance of more than 20 cm between the radiator and your body.” This module follows the FCC statement design, FCC ID : 2A8RE-C322P
Antennas
A list of antennas included in the application for certification must be provided in the instructions. For modular transmitters approved as limited modules, all applicable professional installer instructions must be included as part of the information to the host product manufacturer. The antenna list shall also identify the antenna types (monopole, PIFA, dipole, etc. (note that for example an “omnidirectional antenna” is not considered to be a specific “antenna type”). For situations where the host product manufacturer is responsible for an external connector, for example with an RF pin and antenna trace design, the integration instructions shall inform the installer that a unique antenna connector must be used on Part 15 authorized transmitters used in the host product. The module manufacturers shall provide a list of acceptable unique connectors.
Explanation: The product antenna uses an irreplaceable antenna with a gain of 0dBi
Label and compliance information
Grantees are responsible for the continued compliance of their modules to the
FCC rules. This includes advising host product manufacturers that they need to
provide a physical or e-label stating “Contains FCC ID” with their finished
product. See Guidelines for Labeling and User Information for RF Devices – KDB
Publication 784748.
Explanation: The host system using this module, should have a label in a
visible area indicating the following texts: “Contains FCC ID: 2A8RE-C322P
Information on test modes and additional testing requirements5
Additional guidance for testing host products is given in KDB Publication
996369 D04 Module Integration Guide. Test modes should take into consideration
different operational conditions for a stand-alone modular transmitter in a
host, as well as for multiple simultaneously transmitting modules or other
transmitters in a host product.
The grantee should provide information on how to configure test modes for host
product evaluation for different operational conditions for a stand-alone
modular transmitter in a host, versus with multiple, simultaneously
transmitting modules or other transmitters in a host. Grantees can increase
the utility of their modular transmitters by providing special means, modes,
or instructions that simulate or characterizes a connection by enabling a
transmitter. This can greatly simplify a host manufacturer’s determination
that a module as installed in a host complies with FCC requirements.
Explanation: Ningde ling yang Electronic Technology Co., Ltd. can increase the utility of our modular transmitters by providing instructions that simulate or characterize a connection by enabling a transmitter.
Additional testing, Part 15 Subpart B disclaimer
The grantee should include a statement that the modular transmitter is only
FCC authorized for the specific rule parts (i.e., FCC transmitter rules)
listed on the grant, and that the host product manufacturer is responsible for
compliance to any other FCC rules that apply to the host not covered by the
modular transmitter grant of certification. If the grantee markets their
productas being Part 15 Subpart B compliant (when it also contains
unintentional-radiator digital circuity), then the grantee shall provide a
notice stating that the final host product still requires Part 15 Subpart B
compliance testing with the modular transmitter installed.
Explanation: The module is without unintentional-radiator digital
circuity, so the module does not require an evaluation by FCC Part 15 Subpart
B. The host should be evaluated by the FCC Subpart B.