Swiss Shield Naturell


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Premium Cotton Non Conductive Shielding Fabric – Radio Frequency / Microwave effectiveness of 99.99% or 40 dB at (1000 MHz  / 1 GHz) and 99% effective up to (10,000 MHz / 10 GHz) (Width= 250 cm or 98.4 inches)
What is a Linear Foot?

Naturell is our most popular decorative natural cotton fabric with excellent radio frequency / microwave radiation shielding characteristics 

  • Premium Sheer natural cotton fabric
  • Ideal for curtains to shield windows or bed canopies
  • Designed and manufactured in Switzerland
  • OEKO-TEX Certified as a skin friendly textile and free from harmful substances
  • Used for shielding large surfaces (walls and windows) from high frequency electromagnetic waves (microwaves)
  • Unmatched shielding characteristics
  • Shielding Effectiveness 99.99% or 40 dB at 1000 MHz and 99% effective up to 10 GHz
  • Effective shielding for cell towers, cordless phones, security systems, wireless computer gear and more
  • Sheer fabric, easy to work with
  • Easy care – Washable, with no loss in protection

Detect, Protect and Verify: Three Steps to Achieving Peace of Mind


Supplied With:

Desired Quantity of Fabric

Technical Data

Width / Length: 250 cm (98.4 inches) +/- 1 inch / by the meter or foot
Color: Sheer, Slightly Off White
Characteristics: Washable, colourfast, antistatic
Care: Hand wash in cold water, hang to dry
Raw Materials: 82% cotton, 18% copper/silver
Certificates: MIL-STD 285, NSA 65-6, Öko-Tex Standard 100+1000
Shielding Characteristics: 99.99% or 40 dB at 1000 MHz

Washing and Drying Care

See downloads tab: Fabric and Installation Guide

Additional information


Per Linear Foot by 98.4 in. wide, Per Linear Meter by 250 cm wide