Information and Communication Technologies [No. 15 of 2009 125 " Hertzian waves " means electro-magnetic waves of frequency not less than ten Hertz and not more than three million megaHertz; "individual assignment" means the declaration made by the Authority under section fifty-four; " individual licence means the licence referred to under paragraph (a) of subsection (2) of section ten; " information and communication technology " means the application of modern communications and computing technologies to the creation, management and use of information through the utilisation of hardware, software, networks, and media for the collection, storage, processing, transmission and presentation of information and related services; " interconnection " means the physical or logical linking of one electronic communications network to another for the purpose of allowing the persons using one of them to be able to— communicate with persons using the other electronic communications network; or make use of services provided by means of the other electronic communications network; " licensee " means a holder of a network licence, service licence, class licence or individual licence; " mobile station " has the meaning assigned to it in the Second Schedule; " network boundary " means the first equipment socket in a private residence, the main distribution frame in a building, or the point at which an electronic communications network receives electronic communications from, or send electronic communications to, a consumer; " network licence" means the licence referred to in paragraph (a) of subsection (1) of section ten; " network service " means a service for the carrying of information, in the form of speech or other sound, data, text or images, by means of guided or unguided electromagnetic energy, but does not include services provided solely on the consumer side of the network boundary; " physical co-location means a type of co-location where a licensee controlling a building, tower or other structure in, or on which, another licensee's switches, antennae or other electronic communications network equipment are accommodated, and allows the other licensee to operate the switches, antennae or other electronic communications network equipment;