{
  "id": "limits:icnirp-2020-public-400-2000",
  "collection": "limits",
  "slug": "icnirp-public-reference-level-400-2000-mhz",
  "name": "ICNIRP 2020 general public reference level, 400 MHz–2 GHz",
  "summary": "Frequency-scaled reference level f/200 W/m², giving 4.5 W/m² at 900 MHz and 9 W/m² at 1800 MHz.",
  "status": "verified",
  "lastVerified": "2026-08-12",
  "data": {
    "standardId": "icnirp-2020",
    "population": "general-public",
    "quantity": "power-density",
    "band": {
      "minHz": 400000000,
      "maxHz": 2000000000,
      "label": "400–2000 MHz"
    },
    "averagingSeconds": 1800,
    "formula": "f/200 W/m² (f in MHz)",
    "value": {
      "quantity": "power-density",
      "unit": "µW/m²",
      "value": 2000000,
      "max": 10000000,
      "basis": "guideline",
      "note": "2 W/m² at 400 MHz rising to 10 W/m² at 2000 MHz; 4,500,000 µW/m² at 900 MHz.",
      "sourceIds": [
        "icnirp-2020"
      ]
    }
  },
  "sources": [
    {
      "id": "icnirp-2020",
      "title": "Guidelines for Limiting Exposure to Electromagnetic Fields (100 kHz to 300 GHz)",
      "publisher": "International Commission on Non-Ionizing Radiation Protection",
      "url": "https://www.icnirp.org/en/publications/article/rf-guidelines-2020.html",
      "year": 2020,
      "kind": "guideline",
      "retrieved": "2026-08-12"
    },
    {
      "id": "eu-1999-519",
      "title": "Council Recommendation 1999/519/EC on the limitation of exposure of the general public to electromagnetic fields (0 Hz to 300 GHz)",
      "publisher": "Council of the European Union",
      "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A31999H0519",
      "year": 1999,
      "kind": "regulation",
      "retrieved": "2026-08-12"
    }
  ],
  "links": {
    "self": "https://emfbase.com/api/limits/icnirp-public-reference-level-400-2000-mhz",
    "html": "https://emfbase.com/limits/icnirp-public-reference-level-400-2000-mhz",
    "markdown": "https://emfbase.com/limits/icnirp-public-reference-level-400-2000-mhz.md",
    "collection": "https://emfbase.com/api/limits"
  }
}