{
  "id": "vietnam-narrow",
  "name": "Vietnam (Narrow)",
  "scope": "general",
  "status": "active",
  "description": "Official MeshCore app radio preset — 920.250MHz / SF8 / BW62.5 / CR5.",
  "area": "area.geojson",
  "coverage": {
    "countries": [
      "VN"
    ]
  },
  "radio": {
    "frequency": "920",
    "frequency_mhz": 920.25,
    "bandwidth_khz": 62.5,
    "spreading_factor": 8,
    "coding_rate": "4/5",
    "app_preset": "Vietnam (Narrow)"
  },
  "source": {
    "path": "data/networks/vietnam-narrow/network.yaml",
    "updatedAt": "2026-06-22T20:48:09+02:00"
  },
  "areaUrl": "/network-area/vietnam-narrow.geojson",
  "areaKm2": 339540
}