A shipping container that facilitates communications between wireless communication devices within the shipping container and an external network container includes a keyhole communication device that is adapted for wireless communications with the external network and that includes first and second...http://www.google.fr/patents/US7394361?utm_source=gb-gplus-shareBrevet US7394361 - Keyhole communication device for tracking and monitoring shipping container and contents thereof
Keyhole communication device for tracking and monitoring shipping container ...
