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ČSN ETSI EN 302 574-2 V2.1.2 The present document applies to User Equipment (UE) radio equipment type which has the following character-istics: - these UEs have both transmit and receive capabilities and operate in an hybrid Satellite/terrestrial network i.e. a satellite and/or Complementary Ground Component (CGC) network; - the satellite component is based on GSO; - these UEs operate with an assigned channel signal bandwidth (CBw) of 1 MHz or greater; - these UEs may be handset, handheld, portable, vehicle-mounted, aircraft mounted device (in this case the present document refers to Aeronautical Terminal - AT) host connected, semi-fixed or fixed equipment, or may be an element in a multi-mode terminal. It may consist of a number of modules with associated connections and user interface, or may be a self contained single unit; - if the UE is an element in a multi-mode terminal, unless otherwise stated in the present document, its requirements apply only to the UE element of the terminal operating in the Mobile Satellite Service (MSS) frequency bands given in Table 1; - the present document applies for several class of UEs: - UE for terrestrial use Power Class 1 - clauses 4 and 5; - UE for terrestrial use Power Class 1bis - clauses 4 and 5; - UE for terrestrial use Power Class 2 - clauses 4 and 5; - UE for terrestrial use Power Class 3 - clauses 4 and 5; - UE for aeronautical use (Aeronautical Terminal - AT) - clauses 6 and 7; - UE for terrestrial use (non-aeronautical UE E-UTRA) - clauses 8 and 9; - the Aeronautical Terminals (AT) operates at altitude of 1 000 m and higher above ground level. The present document is intended to cover the provisions of Directive 2014/53/EU [9] (RE Directive) article 3.2, which states that "Radio equipment shall be so constructed that it both effectively uses and supports the efficient use of radio spectrum in order to avoid harmful interference". NOTE 1: In addition to the unwanted emission limits defined in clauses 4.2.4 and 4.2.5 of the present document, additional operational constraints may be required to prevent harmful interference into services op-erating in the neighbouring bands outside the operational band defined in Table 1. In addition to the present document, other ENs that specify technical requirements in respect of essential re-quirements under other parts of article 3 of the RE Directive [9] may apply to equipment within the scope of the present document. NOTE 2: A list of such ENs is included on the web site http://www.newapproach.org.