BCCH - Broadcast Control CHannel

The Broadcast Control CHannel (BCCH) is a logical broadcast channel used by the basestation in a GSM network to send information about the identity of the network. This information is used by a mobile station to get access to the network.

This information includes the Mobile Network Code (MNC), the Location Area Code (LAC) and a list of frequencies used by the neigbouring cells (BA: BCCH Allocation List).