Shhh! Paint stops RF

Some of the same properties that make radio frequency communications so valuable--the abilities to cover relatively large distances and ignore walls and barriers--can make managing RF coverage difficult. Now EM-SEC Technologies says that its EM-SEC Coating will keep radio-frequency energy from penetrating a space that has been painted with the substance. EM-SEC developed the coating in response to the needs of the military and various government agencies that aren't supposed to really exist. For commercial customers, uses can include adding physical security to wireless networks, shielding control environments from operations RF, and segregating wireless network subnets. Now if it could just keep teenagers from text-messaging during dinner…

For more on RF-shielding coatings:
- read more at the EM-SEC website