{
  "id": "eu-uk-narrow",
  "name": "EU/UK (Narrow)",
  "description": "The standard MeshCore narrow-band preset for Europe and the United Kingdom on the 869.618 MHz band (62.5 kHz / SF8 / CR4/8). A general default — not a single community — that nodes across the EU and UK share so they can hear each other.",
  "scope": "general",
  "status": "active",
  "visibility": "public",
  "coverage": {
    "countries": [
      "EU",
      "GB"
    ]
  },
  "area": "area.geojson",
  "radio": {
    "frequency": "868",
    "frequency_mhz": 869.618,
    "bandwidth_khz": 62.5,
    "spreading_factor": 8,
    "coding_rate": "4/8",
    "tx_power_dbm": 22,
    "duty_cycle_pct": 10,
    "public_channel": "Public",
    "app_preset": "EU/UK (Narrow)"
  },
  "source": {
    "path": "data/networks/eu-uk-narrow/network.yaml",
    "updatedAt": "2026-06-22T21:31:07+02:00"
  },
  "areaUrl": "/network-area/eu-uk-narrow.geojson",
  "areaKm2": 4341765
}