What is a Cell Broadcast?

Definition: A cell broadcast is a technology used by mobile network operators to broadcast text messages to mobile users that are located in specific geographical areas. The typical use for these kinds of messages is to send emergency alerts to mobile users.


A Cell Broadcast explained

SMS is commonly used for sending out public and private notices. However, for public warnings and messages, Cell Broadcast (CB) is a far more effective system. Cell Broadcast appears like a text message and is transmitted by a mobile mast. The message might be sent from a single mobile mast or from all of the mobile masts in the country. Anyone in the area or passing through the area will receive the messages, even if the signal is weak. 

As digital transformation has accelerated, governments are now aware that traditional emergency methods such as radio, television, and sirens are no longer adequate. As a result, authorities have turned to technology such as Cell Broadcast to raise the alert - the most appropriate device for relaying this information is the mobile phone. The mobile phone, being one of the most widely used communication channels in the world, can take a text message and communicate the level of detail essential to help individuals take action and preserve safety.
The advantage of a Cell Broadcast service is that users can receive messages without the need for any subscriptions, and they do not have to provide personal information such as phone numbers or location data, the only thing required is to have a phone switched on. Moreover, the system remains unaffected by network congestion, enabling instantaneous delivery of messages to millions of people at once, and providing them with relevant information and guidance.

Cell Broadcast is already activated on the latest mobile devices. For other operating systems and older Android versions, the user may need to contact their network provider or device manufacturer to activate the Cell Broadcast service.

In situations of disaster, time becomes crucial. Detecting events in real-time, comprehending each situation, and employing modern tools for an effective response is vital in safeguarding lives. 

Cell Broadcast plays a vital role in Public Warning Solutions since it is the only standardized emergency warning technology service where:

  • No manual configuration is required
  • All handsets support Cell Broadcast emergency alerting
  • No sign-up or opt-in is required
  • Reach is not limited
  • Multi-language is supported

 No other technology has the same characteristics. 

Utimaco provides a public warning suite of products that cater for governments, enterprises, and other entities.

Related products

Related products

Contact us

We look forward to answering your questions.

How can we help you?

Talk to one of our specialists and find out how Utimaco can support you today.
You have selected two different types of downloads, so you need to submit different forms which you can select via the two tabs.

Your download request(s):

    By submitting below form you will receive links for your selected downloads.

    Your download request(s):

      For this type of documents, your e-mail address needs to be verified. You will receive the links for your selected downloads via e-mail after submitting below form.

      About Utimaco's Downloads

      Visit our Downloads section and select from resources such as brochures, data sheets, white papers and much more. You can view and save almost all of them directly (by clicking the download button).

      For some documents, your e-mail address needs to be verified. The button contains an e-mail icon.

      Download via e-mail


      A click on such a button opens an online form which we kindly ask you to fill and submit. You can collect several downloads of this type and receive the links via e-mail by simply submitting one form for all of them. Your current collection is empty.