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  6. Radio wave absorber IT foam directional radio wave absorber Wi-Fi countermeasures

Radio wave absorber IT foam directional radio wave absorber Wi-Fi countermeasures

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last updated:Sep 05, 2024

光洋産業
光洋産業
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It is an electromagnetic wave absorber made of olefin-based resin foam, which exhibits excellent effects in suppressing wideband characteristics, is easy to cut and install on-site, and reduces multipath.

- It is capable of wideband radio wave absorption from 300 MHz to 110 GHz and excels in radio wave absorption performance for oblique incidence. It is easy to cut and process, making installation at the site straightforward. - It is an electromagnetic wave control material and radio wave absorber effective for wireless technology, EMC, and noise countermeasures. - Made primarily from polyolefin-based resin and carbon, it can be produced in suitable thicknesses depending on the applicable frequency. - Wireless LAN access points stored in the ceiling can cause interference due to reflected waves from the deck plate within the ceiling, so the radio wave absorption box cuts off upward radio waves, enhances the directionality of downward waves, and absorbs excess radio waves. - Installing it on adjacent partition walls in the same floor tenant prevents radio wave interference and secures channels. - Near glass windows, it prevents radio wave leakage to the outside and, when used in conjunction with shielding films and floor SS sheets, reduces radio wave interference between floors and inside and outside. - The box for wireless LAN access points, when combined with SS sheets, prevents radio wave interference. - It is used as an electromagnetic wave control material for adjusting wireless LAN access point equipment during system installation (used to isolate and adjust several units at hand).

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ITフォーム.JPG

Radio wave absorber IT foam directional radio wave absorber Wi-Fi countermeasures

ITフォーム.JPG
ITフォーム.JPG APBOXイメージ.JPG 外面(反射面):ガラス繊維強化アルミシート.jpg ITF_5GHz&2.45GHz.jpg ITF_ITフォーム面.jpg ITF_アルミシート面.jpg ローパーテション加工.jpg パーティション.jpg PAP_00915.jpg
  • Related Link - https://www.koyoweb.com/products/e-shield/
  • Special site - Product/service details - https://pr.mono.ipros.com/koyoweb/product/

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basic information

● Standard stock specification size: 25t × 800 × 800 Original size: 50t × 800 × 800 ● Excellent electromagnetic wave absorption performance ● Weather-resistant olefin-based resin foam ● Lightweight, high strength, and excellent processability ● An electromagnetic wave control material that reduces multipath. ● Development and quality evaluation testing of wireless modules and communication terminals, as well as on-site countermeasures Active tags (300MHz) UWB (3-10GHz), ZigBee (2.45GHz) Wireless LAN (2.45 & 5.2GHz) Mobile phones (800MHz-2GHz) GPS (1.6GHz), UHF-RFID (920MHz) ETC (5.8GHz), ship radar (10GHz), millimeter-wave radar (76GHz), etc.

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Applications/Examples of results

● Improvement of communication speed for wireless LAN and similar technologies ● Noise countermeasures for electronic devices ● Prevention of malfunction in ETC and FA equipment ● Prevention of multipath interference in shielded rooms ● Core material for electromagnetic wave absorption partitions ● Delivery record as a radio wave absorption box for wireless LAN access points: over 300 units (200 units in the same building) ● Used for equipment adjustment of wireless LAN access points during system installation (method of isolating and adjusting several units at hand) ● Development, quality evaluation testing, and on-site countermeasures for wireless modules and communication terminals Active tags (300MHz) UWB (3-10GHz), ZigBee (2.45GHz) Wireless LAN (2.45 & 5.2GHz) Mobile phones (800MHz-2GHz) GPS (1.6GHz), UHF-RFID (920MHz) ETC (5.8GHz), ship radar (10GHz), millimeter-wave radar (76GHz), etc.

Detailed information

  • アクセスポイント干渉対策BOX.JPG

    Ceiling-mounted access point box When installing an access point in the ceiling, radio wave interference occurs due to reflection on the deck plate surface. This can be prevented while simultaneously adjusting the directionality of the radio waves.

  • ITフォーム対象周波数.jpg

    Frequency adjustment by plate thickness By changing the plate thickness to match the frequency, it is possible to easily adjust the corresponding frequency.

  • KOYO ITフォーム面.jpg

    Electromagnetic wave absorber surface It is an electromagnetic wave absorber with excellent performance for oblique incidence, easy on-site processing, and outstanding durability.

  • KOYO ITフォームアルミシート面.jpg

    Non-combustible aluminum shield sheet reflective surface. A non-combustible aluminum shield sheet is applied to the surface to create a reflective surface, while the interior absorbs radio waves and reabsorbs radio waves reflected from the external reflective surface with a radio wave absorber, converting them into heat.

  • 5G対策.JPG

    Low partition processing An example of use with low partition processing to prevent adjacent interference indoors. It is used to prevent reading errors of electronic tag readers.

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Examples of electronic tag reading interference, radio wave interference, heat insulation measures, shield room construction, and fire compartment wiring penetration processing (with construction photos and performance tables).

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Company information

光洋産業

光洋産業

Building materials, supplies and fixtures

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Our mission is to add our unique ideas and know-how to the new materials that are continuously emerging, in order to meet the needs of various industries, and to propose them as new products with added functionalities. Our functional composite materials exhibit excellent and original features across various fields, including home appliances, precision equipment, medical devices, construction, and transportation, as well as in areas such as equipment parts, special rooms, and architectural panels, thereby serving everyone effectively. "Reflecting the times and exploring the next generation" is our pride in our continuous development capabilities that lead the industry. We offer a variety of electromagnetic wave countermeasure products. Furthermore, to carry out these measures effectively and efficiently, we have established a system that allows us to conduct electromagnetic wave environment measurements, field surveys, construction advice, and shielding work consistently. Technology is not born overnight. Our employees cherish a proactive attitude towards "technologies that no one is doing," "technologies that are deemed impossible," and "unique technologies." In development, not everything is successful; in fact, failures are more common. However, it is also true that the byproduct technologies born from challenges support our company today.

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