Active RFID tags can store entire manifests and routing schedules as well as sensor data.

Wireless sensors installed inside a cargo container? Aren't they metal? Then the radio signal can't get out . . .or can it? Here's how mesh-networked 2.4 GHz, 802.15.4-compliant RF transceivers performed when placed within cargo containers.

In these nervous times, those who watch over our borders and ports want to keep an eye not only on who but also on what is trying to enter the country.

GE's security business (www.ge.com ) has completed the first commercial field test of the Tamper Evident Secure Container (TESC), a freight container developed jointly with the world's leading manufacturer of maritime shipping containers, China International Marine Containers Group Ltd. (CIMC).