Technology Cell Broadcast Cell Broadcast (abbreviated as CB, is read as "CBS") long and is widely used by operators worldwide. As a rule, to inform you of the entrance to a specific service area. In hard times ever-dwindling ARPU operators had to get revenue from additional services, now the turn to technology CB. The new service "Chameleon" was proposed by an Israeli company Celltick Technologies, which VimpelCom entered into an exclusive agreement.