Wireless.

A First Course in Wireless Decibel 1953 Admiralty handbook of wireless telegraphy Great Britain. Admiralty 1938 How wireless came Langdon-Davies, John 1935 The thermionic valve Fleming, J. A. 1924 Wireless Lan standard and application Santamaria, Asuncion Lopez-Hernandez, Francisco.J 2001 Wireless lans Wenig, Raymond.P 1996 Wireless Lans:Implementing Interoperable Networks Geier, J. 1999