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  • Wireless module business

The wireless module integrates components such as wireless chips, antennas, and peripheral circuits onto a compact circuit board, offering products that can also control communication functions through firmware. By incorporating these modules into devices, wireless capabilities can easily be added.
Leveraging the expertise gained from our EMS (Electronics Manufacturing Services) business, we provide tailored solutions from product planning and concept development to circuit design, antenna design, hardware design, and firmware development. We offer one-of-a-kind products that meet the specific needs of our customers, from design to commercialization.
We offer a wide range of options, including hardware interfaces, frequency channels, data modulation speeds, transmission distances, communication methods, communication formats, transmission power, and power consumption. Additionally, we allow for customization in specifications, such as choosing between external or embedded antennas, or using a diverse type with multiple antennas.
Moreover, our wireless modules are pre-certified with the "Technical Conformity Certification " based on Japan's Radio Law, so customers do not need to obtain their own certification. We also provide support for international certifications upon request.

Strengths of Our Products

Small-lot production is possible
We can customize according to customer needs, even for small quantities, and can accommodate orders starting from 10,000 units per year. This helps reduce inventory risks and optimize costs.
Flexible customization support
Not only can we provide standalone wireless modules, but we can also directly integrate wireless communication functionality onto a PCB (or sub-PCB). This enhances design flexibility, reduces the number of components, simplifies the assembly process, and contributes to overall cost reduction.
Uses the No. 1 global market share IC
We use products from Realtek, the No. 1 IC manufacturer in global market share, enabling us to provide high-quality and highly reliable modules.
Capable of implementing PCBs into customer PCBs
Since we are also capable of assembly onto the PCB after providing the module, the entire manufacturing process proceeds smoothly. This ensures smooth progress of the project and achieves time and cost efficiency.
Electronics Manufacturing Service available
We can provide electronic device manufacturing services for wireless communication modules, we can provide manufacturing services that meet the diverse needs of our customers. Especially for contract manufacturing, we can supply high-quality products in a timely manner by utilizing our extensive experience and expertise. We provide consistent services from design to production and quality control to support our customers' business.
Firmware development
We are capable of developing firmware tailored to customer needs, providing solutions based on industry-specific requirements. By offering integrated support from product planning to firmware development, we contribute to overall cost reduction. This enables an efficient development process and the delivery of high-quality products, providing the best value to our customers.

Communication standards

Our company supports communication standards such as Wi-Fi (2.4GHz and 5GHz) and Bluetooth. These standards widely address common wireless communication needs, but we are also capable of developing solutions based on other wireless communication standards upon customer request. If customization is required for specific requirements or conditions, we encourage you to consult with us. Based on your specific needs, we can provide expert advice and support to deliver the most suitable wireless communication solution.
In selecting wireless communication, the content of the data being handled and the communication environment are crucial factors. For example, 2.4GHz is suitable for applications requiring wide-range data communication or high-speed data transfer, as it can efficiently process relatively large volumes of data. On the other hand, 920MHz excels in handling numerous small-volume data, especially in environments with many obstacles. This is because 920MHz has a relatively long wavelength, making it easier to pass through obstacles. Therefore, it is important to select the most suitable wireless module based on the characteristics of the data and the communication environment. If you are unsure about selecting the communication standard, we will carefully consider factors such as data volume, frequency of transmission and reception, power consumption, and the presence of obstacles to suggest the optimal frequency band.

Examples of embedded applications

Our wireless modules can be embedded in a wide range of products, including industrial equipment, medical devices, home/building equipment, office machines, and IoT devices. This enables usage across diverse fields. These wireless modules are designed with considerations for communication efficiency, stability, and power consumption. As a result, they are expected to be used in applications such as the following.
By selecting the appropriate wireless module, it is possible to optimize performance for each application and improve the overall system performance.

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By selecting the wireless module, it is possible to optimize performance for each application and improve the performance of the entire system.

Our Products

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SI8720DFSTS

Wi-Fi and Bluetooth Compatible
Wireless combo module equipped with a chipset by Realtek

Product Details

Communication Methods
Wi-Fi、Bluetooth
Features
  • 2.4GHz/5GHz Wi-Fi + BLE support
  • Evaluation board available for basic product evaluation and prototype development
  • Manufactured in Japan, RoHS compliant
  • Technical standards conformity certification obtained (Japan)
  • Supports a wide range of host interfaces
Specifications
Chipset
RTL8720DF AmebaD
MCU
ARMv8-M Real-M300, 200MHz
ARMv8-M Real-M200, 20MHz
Host Interface
USB/SDIO/UART/I2C/SPI
Communication Protocol
Wi-Fi (IEEE802.11a/b/g/n 1x1)
Bluetooth BLE 5.0
Antenna
Built-in
Size
13.8 x 20.1 x 3.14 mm

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