{
  "id": "limits:china-public-30-3000",
  "collection": "limits",
  "slug": "china-public-limit-30-3000-mhz",
  "name": "China public limit, 30–3000 MHz",
  "summary": "12 V/m, equivalently 0.4 W/m², across the FM, TV, and sub-3 GHz cellular and Wi-Fi bands — the strictest widely enforced national limit in that range apart from Russia's.",
  "status": "verified",
  "lastVerified": "2026-08-12",
  "data": {
    "standardId": "china-gb-8702",
    "population": "general-public",
    "quantity": "power-density",
    "band": {
      "minHz": 30000000,
      "maxHz": 3000000000,
      "label": "30–3000 MHz"
    },
    "averagingSeconds": 360,
    "value": {
      "quantity": "power-density",
      "unit": "µW/m²",
      "value": 400000,
      "basis": "regulatory",
      "note": "GB 8702-2014 Table 1 lists E = 12 V/m, H = 0.032 A/m, B = 0.04 µT and Seq = 0.4 W/m² for this band, as RMS over any continuous 6-minute interval.",
      "sourceIds": [
        "china-gb-8702"
      ]
    },
    "related": [
      "standards:china-gb-8702",
      "limits:icnirp-2020-public-400-2000"
    ]
  },
  "sources": [
    {
      "id": "china-gb-8702",
      "title": "GB 8702-2014 电磁环境控制限值 (Controlling limits for electromagnetic environment)",
      "publisher": "Ministry of Ecology and Environment of the People's Republic of China",
      "url": "https://www.mee.gov.cn/ywgz/fgbz/bz/bzwb/hxxhj/dcfsbz/201410/t20141022_290449.htm",
      "year": 2014,
      "kind": "regulation",
      "retrieved": "2026-08-12"
    }
  ],
  "links": {
    "self": "https://emfbase.com/api/limits/china-public-limit-30-3000-mhz",
    "html": "https://emfbase.com/limits/china-public-limit-30-3000-mhz",
    "markdown": "https://emfbase.com/limits/china-public-limit-30-3000-mhz.md",
    "collection": "https://emfbase.com/api/limits"
  }
}