EVS-EN 300 422-4 V2.1.1:2017

The present document specifies technical characteristics and methods of measurements for Assistive Listening Devices
(ALDs) comprising personal hearing aid systems including inductive systems, personal sound amplifiers, and associated
accessories for ALDs, e.g. remote controls and audio streaming devices.
The present document applies to equipment operating on radio frequencies up to 3 GHz (as shown in table 1) using
analogue, digital and hybrid (using both analogue and digital) modulation.
The present document covers the essential requirements of article 3.2 of Directive 2014/53/EU [i.14] under the
conditions identified in annex A.
NOTE 1: The frequency bands for this equipment may differ from country to country as specified in their national
regulations.
Table 1: Radiocommunications service frequency bands
Radiocommunications service frequency bands
Transmit up to 3 000 MHz
Receive up to 3 000 MHz
NOTE 2: Power limits for different frequency bands can be found in ECC/DEC/(05)02 [i.11]; the EC SRD
Decisions [i.9] and [i.16]; EC Decision 2014/641/EU [i.13]; or CEPT/ERC/REC 70-03 [i.7], annex 10 (or
European or national regulations).
NOTE 3: Electromagnetic Compatibility (EMC) requirements are covered by ETSI EN 301 489-9 [i.4].