Darkroom(emc) - List of Manufacturers, Suppliers, Companies and Products

Last Updated： Aggregation Period:Oct 08, 2025～Nov 04, 2025
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Darkroom Product List

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EMC standard compliance testing in a 10m anechoic chamber

EMC standard compliance testing in a 10m anechoic chamber

Providing high-quality services for EMC standard compliance testing, noise analysis, and noise countermeasures to our customers!

In July 2023, the 10-meter anechoic chamber at the EMC Lab (formerly known as SEIWA EMC Technical Center) located within the headquarters factory in Joyo City, Kyoto Prefecture, received accreditation as an ISO/IEC 17025:2017 testing laboratory. This allows for a one-stop service from preliminary testing to the creation of EMC compliance test reports. In conjunction with this, we have started accepting applications for "EMC compliance testing" using the same facility. With a robust system supported by various countermeasure materials and experienced staff, we can conduct both preliminary tests and compliance tests in the same environment. Please feel free to contact us if you have any requests. *For more details, please refer to the PDF document or feel free to reach out to us.*

  • Analysis and prediction system

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Radio Wave Chamber Rental Service (EMC, EMI, Noise Countermeasures)

Radio Wave Chamber Rental Service (EMC, EMI, Noise Countermeasures)

For customers looking for an anechoic chamber in the Kansai region, we offer EMI countermeasure facilities at reasonable rates (from 110,000 yen per day) for EMC, EMI, and noise.

With the acceleration of equipment, the proportion of EMC (Electro-Magnetic Compatibility) measures in the product development process tends to increase. In such a situation, are you having trouble securing an anechoic chamber or countermeasure facilities for EMI measures? Wave Technology (WTI) has various facilities necessary for analyzing conducted noise and radiated noise, as well as simple anechoic chambers compliant with various international standards (IEC, FCC, CISPR, VCCI), and we offer these as an anechoic chamber rental service. These testing facilities are located at our headquarters in Kawanishi, Hyogo Prefecture, which is easily accessible from the Kansai region. For countermeasures and considerations before EMI standard certification, our anechoic chamber rental service allows you to use the following systems as a package: ● Radiated emission measurement system (Measurement range: 9 kHz to 6 GHz) ● Noise terminal voltage measurement system*1 (Measurement range: 150 kHz to 30 MHz) ● Electromagnetic wave visualization system

  • others

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Simple Radio Wave Dark Room (Electromagnetic Wave Shield Tent Type) MY5700 Series

Simple Radio Wave Dark Room (Electromagnetic Wave Shield Tent Type) MY5700 Series

It is possible to construct an anechoic chamber easily and at a low cost.

● A simple radio anechoic chamber that can be widely used for 5G OTA, radio wave law measures, EMC testing, and more. ● No major construction is required, and the construction period is about 2-3 days (for standard configuration). ● We offer a lineup of 8 standard sizes.

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Shielded room, radio wave darkroom

Shielded room, radio wave darkroom

Support technology evolves technology. A radio wave anechoic chamber is one where radio wave absorbers are attached to the indoor walls of a shielded room.

By attaching a radio wave absorber, it becomes possible to prevent the radio waves irradiated indoors from reflecting off the walls, allowing measurements to be taken in an environment free of unwanted waves. This is equivalent to measurements taken in an open site. Compared to open sites, it has become common as an electromagnetic wave measurement facility since measurements can be conducted even in rainy weather. Additionally, the specifications vary depending on the application of the radio wave anechoic chamber. We also accept inquiries regarding the relocation, renovation, and renewal of existing radio wave anechoic chambers.

  • Clean Room

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Easy Assembly Radio Wave Dark Room RAB Series

Easy Assembly Radio Wave Dark Room RAB Series

Transform your shield tent into a simple assembly radio wave anechoic chamber! It is also possible to build a radio wave anechoic chamber next to your desk!

【Features】 〇 Existing electromagnetic wave shielding tents can be easily converted into dark rooms. Supported frequency range starts from 900MHz (please inquire about the upper limit). ○ Lightweight and durable material. Customers can assemble, disassemble, and move it themselves. 〇 Cost-effective introduction. It can be introduced at a lower cost compared to conventional anechoic chambers. ○ High quality. It suppresses electromagnetic wave resonance and reflection, allowing measurements in an environment close to free space. ● For more details, please contact us or download and view the catalog.

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10m Law Electromagnetic Wave Anechoic Chamber

10m Law Electromagnetic Wave Anechoic Chamber

Ideal for various EMC measurements! We have concluded a business collaboration agreement with Japan Shield Enclosure.

The "10m Law Anechoic Chamber" is a facility that can be used for EMI/EMS certification testing. It is compatible with various international standards such as EC, FCC, CISPR, and VCCI. The dimensions and specifications of the anechoic chamber and measurement room can be modified to suit the EUT. Optional equipment such as communication devices, disaster prevention equipment, and power supply units are available. We can design the performance according to the usage environment and meet customer requests. 【Features】 ■ Compatible with various international standards such as EC, FCC, CISPR, and VCCI ■ Dimensions and specifications of the anechoic chamber and measurement room can be changed to suit the EUT ■ Absorbers can be selected based on the frequency bands and standards to be measured ■ Equipped with various ancillary facilities, enabling measurements tailored to specific purposes and applications *For more details, please refer to the PDF document or feel free to contact us.

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Large Easy Assembly Electromagnetic Shielded Room RAB-F Series

Large Easy Assembly Electromagnetic Shielded Room RAB-F Series

It is a large temporary radio wave anechoic chamber using a shield tent. It is effective for OTA testing of 5G devices!

**Features** - Realization of a larger size for the easy-assembly radio wave anechoic chamber RAB Responding to numerous requests from the field, we have achieved a size of W4,000 x D5,000 x H2,500. - Setup possible in a short period and at low cost Compared to the setup of steel plate shield rooms, it can be set up in a significantly shorter time and at a lower cost, minimizing disruption to operations. - Establishment of an OTA testing environment for 5G devices In combination with the 5G-compatible shield tents (SR4030T/7030T), an environment for OTA testing of 5G devices (DFF method) can be established. - Diverse options available Various optional items such as power supply, ventilation fan, RF connectors, and 2-axis turntables are available. - For more details, please contact us or download the catalog to view.

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