Photograph captioned by BeckerFraserPhotos, "A temporary cellphone repeater near the entrance to the Lyttelton tunnel at the Heathcote end of the tunnel".
A photograph of an ICOM IDAS Repeater next to the information for the Civil Defence Response Team networks. The IDAS is a digital land mobile radio system which retransmits radio signals. It was used by the Civil Defence to extend the range of their digital radios during the emergency response to the 22 February 2011 earthquake.