The 1949 Act provides the licensing wireless telegraphy and defines "wireless telegraphy" as the sending of electro-magnetic energy over paths not provided by a material substance constructed or arrange for that purpose. The requirements to hold a license under the Wireless Telegraphy Act 1949 or the Telecommunications Act 1984 are separate from the television and radio broadcasting licensing provisions and cable programme source lightening provisions contained in the Broadcasting Act 1990.