{
  "url": "https://openlegislation.uk/eu-directive-2004-104/attachment-20/division/division-3./division-3.1.",
  "json_url": "https://openlegislation.uk/eu-directive-2004-104/attachment-20/division/division-3./division-3.1..json",
  "legislation": "eudr/2004/104",
  "legislation_title": "Commission Directive 2004/104/EC of 14 October 2004 adapting to technical progress Council Directive 72/245/EEC relating to the radio interference (electromagnetic compatibility) of vehicles and amending Directive 70/156/EEC on the approximation of the laws of the Member States relating to the type-approval of motor vehicles and their trailers (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-directive-2004-104",
  "path": "attachment/20/division/division/3./division/3.1.",
  "kind": "division",
  "number": "3.1",
  "heading": "Frequency range, dwell times",
  "text": "Measurements shall be made in the 20 to 2 000 MHz frequency range with frequency steps according to ISO 11452-1: 2002.\nThe test signal modulation shall be:\nAM, with 1 kHz modulation and 80 % modulation depth in the 20-800 MHz frequency range,\nPM, t on 577 μs, period 4 600 μs in the 800-2 000 MHz frequency range,\nif not otherwise agreed between technical service and ESA manufacturer.\nFrequency step size and dwell time shall be chosen according to ISO 11452-1: 2001.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eudr/2004/104/attachment/20/division/division/3./division/3.1.",
    "retrieved_at": "2026-11-01T15:22:45.972840+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}