The Conflict of Protocols
When you leave your phone in a locker or a hallway basket before a meeting, you are physically separating yourself from your digital credentials. This creates a new security vulnerability: the risk of physical device tampering or unauthorized access while you are behind closed doors.
However, bringing the phone into the room is equally dangerous. A compromised phone can act as a “bug,” transmitting sensitive R&D or defense strategies to an external adversary without any outward sign of activity.
A Simple, Physical Solution
The link22 Shield was engineered specifically to break this deadlock. It is a professional soundproof box for phones that provides a safe middle ground.
By placing your device inside a Shield box during your meeting, you maintain physical possession of the hardware while neutralizing its ability to eavesdrop. Shield uses two layers of defense:
- Acoustic Isolation: High-density materials that prevent sound from entering the box.
- Active Sound Masking: An internal system that generates randomized noise, making any potential recording by the phone completely unintelligible.
Security Without Compromise
Shield doesn’t require you to change your phone’s settings or trust a digital “incognito” mode. It is a physical barrier for a physical world. For organizations where confidentiality is non-negotiable, Shield ensures that you never have to choose between keeping your phone safe and keeping your conversation private.
Read more and book a demo here.


