Signalblock.info / Helsingin Network Service Oy
specialization:
Products
Mil.Spec window film SD2500
The SD2500 is a clear, patented surface-applied RF window film that provides exceptional anti-eavesdropping and Technical Surveillance Counter-Measure (TSCM) security.
This, easily applied window film features impeccable security for wireless technologies (including WLAN or 802.11), energy savings and possible LEED credit, physical security, and UV protection.
The SD2500 has been ASTM F3057-16 tested and exceeds IC requirements for RF attenuation and the critical Infrared protection levels. SD2500 – 2-mil thick, RF/IR attenuating film
.svg)
rFoil - The DoD approved foil
rFoil® is an aluminum foil-based radiant barrier made up of two reflective
surfaces sandwiched around a high-strength reinforcing woven scrim.
This patented RF foil has an impressively high shielding capacity:
it can block electromagnetic (EM) and radio frequency (RF) signals
from passing through a solid barrier, whether it’s a wall, ceiling, or floor with an attenuation of 85 dB!
About
Signalblock.info / Helsingin Network Service Oy
THIS COMPANY OFFERS SOLUTIONS FOR
At signalblock.info, we are committed to safeguarding critical infrastructure, operational security, and defense communications from unauthorized signal interference and surveillance threats.
Our advanced, NATO approved signal-blocking window films, foils, and coatings provide efficient, easy-to-install solutions that ensure secure environments without compromising functionality.
Engineered for reliability and effectiveness, our products fortify server rooms, industry, R & D centres, military and defense facilities against electronic warfare, surveillance risks, and data breaches. In an era where security is paramount, we deliver cutting-edge protection to meet the evolving challenges of modern defense.
Additional info
Signalbock.info is part of Helsinki Nelsinki Network Service Oy, grounded in 1994 and focused on selling security products since 2009. In 2012 we started focusing on explosion- and bulletproof windows and through or extensive network found a need for signal protection products.
After a long deliberation and intensive studies into the new risks conserning signals, a decision to expand into easily installed and applied products for signal protection was taken in 2023.
Among our customers you can find the Finnish Defense force, Embassies, It companies, prisons and even schools.
NUmbers
Profile visits
Contact us
Anton Salmi
Head of territory: Baltics & Finland
Helsingin Network Service Oy
Social media
