Umsakazo wokubalekela ongazweli emanzini futhi ongawela phansi, onomshini wokujikijela/wokushaja ilanga, umsakazo we-FM/AM/WB, izintambo ezimbili, isibani, isexwayiso se-SOS nokushaja okungaphuthukisi kwefoni, okuncane ukusetshenziswa ekusindiseni nokusetshenziswa ngaphandle