US Patent 9501920 Cargo tracking and monitoring system

A method, an apparatus, and a non-transitory computer readable medium for monitoring a cargo container are presented. Data items are received by a monitoring system from one or more monitoring devices via a communications network. The monitoring devices are affixed to the cargo container and the monitoring system is located separate from the cargo container. The data items are monitored by the monitoring system to determine if an alert condition exists. An alert is generated by the monitoring system if the alert condition exists.