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prEN 303 348 V1.2.0

Audio frequency induction loop drivers up to 45 A in the frequency range 10 Hz to 9 kHz; Harmonised Standard for access to radio spectrum

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Draft
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Draft ETSI EN 303 348 V1.2.0
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The present document specifies technical characteristics and methods of measurements for audio frequency induction loop drivers operating from 10 Hz to 9 kHz used in Audio Frequency Induction Loop System (AFILS) with an upper limit of 45 Arms. NOTE 1: The object of an AFILS is to transmit an audio signal to people with hearing difficulties. The receiver in this case is normally a hearing aid or cochlear implant with a built in telecoil, both of which are covered by ETSI EN 300 422-4. These radio equipment types are capable of operating in the frequency band within the 10 Hz to 9 kHz range: • with (an) output connection(s); • for audio frequency baseband transmission (un-modulated and without the use of a carrier). The present document covers induction loop drivers with output connectors. Integral antenna systems are covered by ETSI EN 300 422-4. NOTE 2: The relationship between the present document and essential requirements of article 3.2 of Directive 2014/53/EU is given in annex A.
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