Monitoring unit configuration management

[0010]A monitoring device for monitoring a container or other cargo in accordance with the disclosure includes a key fob interface configured to communicate with a key fob, a wireless interface, a memory storing a serial number list, the serial number list including data indicative of at least one valid serial number associated with one or more key fobs permitted to interact with the monitoring device, and a processing unit coupled to the key fob interface, the wireless interface and the memory. The processing unit is configured to: receive a wakeup signal via the key fob interface, read a serial number from a key fob via the key fob interface, search the serial number list for data indicative of a valid serial number matching the serial number read via the key fob interface, read action data from the key fob via the key fob interface, the action data being indicative of an action to be taken by the processing unit, and in response to the read serial number matching a valid serial number of the serial number list, cause the monitoring device to take an action based on the action data.

[0011]A method of operating a monitoring device for monitoring a container or other cargo in accordance with the disclosure includes: storing a serial number list in non-volatile memory, the serial number list including data indicative of at least one valid serial number associated with one or more key fobs permitted to interact with the monitoring device, and receiving a wakeup signal via a key fob interface configured to communicate with a key fob. The method further includes reading a serial number from a key fob via the key fob interface, searching the stored serial number list for

Cargo containers can also contain dangerous products that could be used for evil purposes if allowed to fall into the wrong h