Apparatus for use in the detection of mobile objectives; carriers adapted for mobile phones; cases adapted for mobile phones; cellular mobile telephones; holders adapted for mobile phones; local mobile telephone installations; local mobile telephone systems; local mobile telephones; mobile communication terminals; mobile data apparatus; mobile data communications apparatus; mobile data instruments; mobile phone cases; mobile phone covers; mobile phone sets; mobile phones; mobile phones; mobile phones for use in vehicles; mobile radio broadcasting units; mobile radio receiving apparatus; mobile radio transmitting apparatus; mobile telecommunications apparatus; mobile television broadcasting units; mobile trailer fire pumps; mobile work stations (computer, other than furniture); voice signalling apparatus for use with mobile radio systems