Rev. 2011] Kenya Information and Communications CAP. 411A the public postal licensee; “radio-communication” means the emitting or receiving over paths which are not provided by any material substance constructed or arranged for that purpose, of electro-magnetic energy of a frequency not exceeding three million megahertz being energy which either— (i) is capable of being transmitted through a telecommunication system; or (ii) is used in connection with the determination of position, bearing or distance, or for the gaining of information as to the presence, absence or, motion of any object or objects of any class; “radio-communication apparatus” means any apparatus capable of being used or adapted for radio communication and where the context so requires, includes a radio communication station; “radio-communication station” means any telecommunication station capable of being used or being adapted for radio communication; “repository” means a system for storing and retrieving certificates or other information relevant to certificates. “signatory” means a person who holds a signature-creation device and acts either on his own behalf or on behalf of the natural or legal person or entity he represents; “signature-creation data” means unique data, such as codes or private cryptographic keys, which are used by the signatory to create an electronic signature; “signature-creation device” means configured software or hardware used to implement the signature-creation data; “subscription management service” means a service which consists of the provision of support services to a subscription broadcasting service which support services may include, but not limited to, subscriber management support, subscription fee collection, call centres, sales and marketing, and technical and installation support. “telecommunication apparatus” means apparatus constructed or adapted for use in transmitting anything which is transmissible by a telecommunication system, or in conveying anything which is transmitted through such a system; 15