
Our company originated in the development of wireless communication devices. Building on our advanced wireless technologies and extensive expertise in electrical, mechanical, and software design, we deliver reliable development solutions to meet a wide range of technical requirements.
These products are also the result of our integrated technological capabilities.wireless technology
無線技術
wireless technology
無線技術
Wireless technology represents the core competency of KAZU technica
Wireless technology plays a vital role in everyday life through IoT and M2M applications, utilizing cellular networks, Wi-Fi, and other communication systems. Creating everyday convenience and seamless experiences through such wireless innovation is one of our core strengths.
We select the optimal wireless communication method from a wide range of frequency bands, including Wi-Fi, 920 MHz, 4G, and 5G, considering coverage range, throughput, cost, and other factors. Based on customer requirements such as installation environment, data volume, and transmission intervals, we conduct thorough evaluation, design, and development to deliver the most suitable solution.
Development Track Record
Development Track Record
Many of the products we have designed and developed are actively contributing to society and everyday life. Focusing primarily on custom-made solutions, we support products that require strict standards and certification tests such as non-combustibility, as well as specialized antenna products, with production starting from very small lot.
- IoT module
- Next-generation antenna (5G)
- 2.5 GHz Bidirectional Dual-polarized Shared Antenna (with Built-in Splitter)
- Wi-Fi Equipment for Railway Applications (Onboard, Platform, and Tunnel Environments)
- Railway Wireless Communication Repeater Equipment
- Field Tester (Radio Signal Measurement Device for Smart Meter Site Surveys)


(Compliant with Non-Combustibility Test by the Japan Railway Rolling Stock & Machinery

Development environment
Development environment
We also own an in-house anechoic chamber for conducting evaluation tests, as well as simulation facilities to verify wireless performance prior to development.


Electrical design
電気設計
Electrical design
電気設計
We handle a wide range of processes, from circuit design to PCB design and performance evaluation, at any phase of development.
Circuit and PCB design
Circuit and PCB design
We provide comprehensive design support for the entire system, including power supply, audio, control, high-frequency, and antenna circuits, in accordance with your specifications.
This has been one of our core businesses since the company was founded, and it remains our area of greatest expertise.
We can design, prototype, and mass-produce products entirely in-house, tailored to meet our customers’ specific needs.
Electrical evaluation
電気評価
Electrical evaluation
電気評価
We not only evaluate products that we have designed and developed in-house, but also those designed by our customers.
Based on the design requirements and specifications, we conduct a wide range of evaluations, including circuit verification and reliability testing.

Design verification
Design verification
We verify at the board level whether the prototype operates in accordance with the required specifications, evaluating each functional block individually.
We perform evaluations of fundamental circuit operations such as AC and DC characteristics, as well as safety tests including short-circuit testing.
Reliability evaluation
Reliability evaluation
We evaluate the actual device at the product level to ensure it operates in accordance with the design requirements and specifications.
We conduct evaluations in accordance with IEC standards, including electrostatic discharge (ESD) tests, to ensure that the product operates safely and reliably under actual usage conditions.
In addition to evaluations using measuring instruments, we also perform desk-based assessments such as MTBF (Mean Time Between Failures) calculations.
Test examples
Test examples
Wireless performance test
Wireless performance test
We measure circuit performance under high-frequency (RF) conditions.
We evaluate whether the circuit layout is designed to fully deliver high-frequency (RF) performance, conducting measurements such as noise testing and air sensitivity testing.



Temperature-humidity test
Temperature-humidity test
We conduct tests to verify that the equipment operates properly under high-temperature and high-humidity conditions, as well as after returning to normal temperature.
The temperature-controlled chamber in the photo is operating at 85.4 °C.


Electrostatic test
Electrostatic test
Electrostatic discharges are applied to various parts of the mobile phone to verify that no malfunctions or damage occur.
If any issues are found, countermeasures are examined and implemented.

Mechanical Design
機構設計
Mechanical Design
機構設計
Mechanical Design
Mechanical Design
Based on the design provided by the customer, we carry out modeling and detailed design of the exterior and mechanical (structural) components.
We also handle the design of resin-molded parts and sheet-metal components.
Prototype production
Prototype production
We accommodate various methods according to cost and delivery requirements.
- 3D printer
- Casting
Request for a product set
Request for a product set
When mechanical design and PCB design are commissioned together rather than mechanical design alone, the synergistic workflow enables a shorter overall lead time
mechanism evaluation
機構評価
mechanism evaluation
機構評価
We perform mechanical evaluations for both prototype and production communication devices. Performance testing can be conducted using manual and automated equipment
Including vibration testing, drop testing, and related evaluations