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StealthCase Oy

P.O. Box 74, 33101 Tampere
Automiehenkatu 30, space 6, 33840 Tampere

This company is co-exhibitor of

Hall map

glasstec 2018 hall map (Hall 10): stand H19

Fairground map

glasstec 2018 fairground map: Hall 10


Juha Lilja

Founder, Technologies



Our range of products

Product categories

  • 02  Glass processing and finishing
  • 02.12  Environmental protection/Recycling
  • 02.12.06  Special glass recycling
  •  Technical glass

Our products

Product category: Technical glass

Mobile-friendly Glass

StealthCase creates passive signal repeaters. In Glasstec we are showcasing our technology to manufacture mobile-friendly flat glass and facades. With our solution a manufacturer can provide glass that is both energy-effectient and does not attenuate mobile signals.

We are looking for to license our technology that offers three superior attributes compared to frequency-selective surfaces
- easier manufacturability
- better signal transmitting characteristics
- possibility to avoid legal IPR battles.

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Product category: Technical glass

Reference: Mobile-friendly window

Tiivi Connect, a smart window allowing mobile signals to pass through a window frame. Powered by StealthCase technology, produced and marketed by Inwido Finland.

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Product category: Technical glass

Reference: Passive signal bridge

FF-Signal, a passive signal bridge integrated into a separate insulator element, installed next to a window during an installation phase. Powered by StealthCase technology, produced and marketed by Finnfoam.

The FF-Signal is currently one of the finalists in London Construction Awards 2018 in "Technological innovation of year" category.

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About us

Company details

StealthCase is a Finnish start up that solves indoor wireless connectivity problems (i.e. terminated calls and low data rates when using mobile phone inside a building).

Modern energy-efficient constructions supplies such coated glass, concrete and metal attenuate mobile signals like never before. This causes low data rates and even dropped calls.

When integrated in walls StealthCase’s patented passive signal bridges solve these problems once and for all.

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Company data

Sales volume

< 0,5 Mio US $

Export content

max. 25%

Number of employees

< 5



Area of business
  • Glass applications in the construction industry and façade area
  • Display glass and laser technologies
Target groups
  • Windows and Facades
  • Flat Glass