Protect cell phones, PDAs, laptops and even cards with embedded RFID chip from eavesdroppers. EM-SEC Technologies makes and sells special cases which protect your electronics from secretly communicating with ether-snoops.Need to protect something larger... like a whole room?
They also make paint that blocks radio waves! EM-SEC Coating is applied as an interior surface coating to individual rooms or entire facilities to provide a secure “Electromagnetic Fortress” for the safe operation of both wired and wireless networks and other electronic equipment.
