This TBR specifies those technical requirements under Articles 4.1 to 4.5 of Council Directive 93/97/EEC that apply to satellite earth station equipment that is capable of operation in one or more of the following frequency ranges: - 10,70 to 11,70 GHz (Space - Earth, shared) - 12,50 to 12,75 GHz (Space - Earth, exclusive) - 14,00 to 14,25 GHz (Earth - Space, exclusive) of the Fixed Satellite Service (FSS). These requirements are taken from ETS 300 255. This TBR does not contain the essential requirements under Article 4.6 for interworking via the public telecommunications network in justified cases, and does not provide any guarantee of correct interworking between satellite earth station equipment.