Cell Broadcast (CB)
Definition - What does Cell Broadcast (CB) mean?
Cell Broadcast is a type of text message similar to an SMS message that can be sent to all cell phone users in a given area. The typical use for these kinds of messages is to send emergency alerts to mobile users. Cell Broadcasts are part of the GSM standard.
Cell Broadcast was formerly known as Short Message Service-Cell Broadcast (SMS-CB).
Techopedia explains Cell Broadcast (CB)
Cell Broadcast is a method for sending many messages to people on their cell phones in an area. This is usually used as a form of emergency broadcast, sending messages about severe weather, missing children or potential terrorist activity. Cell Broadcast is part of the GSM standard set by the ETSI GSM committee. Cell Broadcast is a one-to-many broadcast medium and can be more reliable, even when cell networks crash due to overload in emergency situations.