December the nationwide caution day will occur this year.
What is special: For the very first time, so-called Cell Broadcast reports (CB) are to be checked.
These use a special operating mode of the popular SMS messages in order not only to be provided to mobile phones, however also to older cellular phone.
However, the CB messages do not come as harmless, silently and quietly as regular SMS.
As part of the caution, the BBK (Federal Workplace for Population Protection and Disaster Aid) wants to send out a test caution report from the greatest warning level across the country for the very first time.