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Faraday Fabric, 44'' 36'' Shielding Fabric, Radiation Blocking, EMI Isolation, WiFi and Cell Signal Blocking,Copper Faraday Cage Enclosure(1 Yard,4436 inch)

Q: how many dB is the isolation?

I suggest carefully reading the reviews. I could not find your answer in the item description. I used it to line a credit card holder for RFID. It frays dreadfully so edges need sewing or heat sealing. Perhaps buying a small amount and testing will give you the answer. Also, dB is decibels, I believe; this product is not designed for sound blocking but for hz and radiation.

Q: Can this be made more effective by connecting it to a ground?

Yes，it will be more effective.

Q: Has anyone tested that it really block the signal?

Yes. We put the cell phone on the floor and placed the fabric over it. Dialed the phone and it went to voicemail. Took the fabric off. called again and the phone rang.

Product ID: 317331323

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Details

Material
Polyester
Color
Brown
Fabric Type
Polyester
Item Form
Cut By The
Brand
COVA

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Description

Have a Question? See What Others Asked

how many dB is the isolation?

Can this be made more effective by connecting it to a ground?

Is it literally breathable? Can you breathe through this cloth?

Has anyone tested that it really block the signal?

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TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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Perfect platform for hard-to-find items. Delivery was prompt.

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617 Lei

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Romaniastore

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TrustScore 4.5 | 7,300+ reviews

Imran F.

Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

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Fantastic and great service. Shipping was faster than expected.

1 week ago

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