{
  "schema_version": 1,
  "page": "https://ai.njwl.ai/menpai/",
  "updated_at": "2026-09-02",
  "sources": [
    {"type": "manufacturer_manual", "file": "files/门牌操作指南 V2.0.pdf", "pages": 11},
    {"type": "project_owner_supplement", "date": "2026-09-02"}
  ],
  "provisioning": {
    "wifi_band_ghz": 2.4,
    "internet_access_required": true,
    "device_hotspot_pattern": "E_DC_XX",
    "enter_mode": "Hold side button for more than 5 seconds until the red LED flashes",
    "ssid_manual_entry_when_scan_missing": true,
    "password_for_open_wifi": "0",
    "device_name_required": false,
    "device_port": 7007,
    "report_url": "http://boeiot.online:7007/api/wifi/report",
    "success_signal": "Screen flashes and shows a provisioning-success image; configuration is remembered"
  },
  "vendor_platform": {
    "login_url": "https://boeiot.online:443",
    "account": "Same account and password as the Smart Table Card app",
    "expected_report_window_minutes": 5,
    "quick_report_action": "Short-press the device button",
    "default_template_size_inch": 7.4
  },
  "hardware": {
    "screen_sizes_inch": [7.4, 9.7, 12.2],
    "listed_resolutions": ["800x480", "960x672", "960x768"],
    "display": "Black-white-red tri-color bistable e-ink",
    "viewing_angle": ">178 degrees",
    "power": "Rechargeable lithium-ion battery"
  },
  "not_confirmed_by_this_manual": [
    "Mapping between each listed resolution and each screen size",
    "Device-to-server request and response protocol",
    "Image binary format",
    "Automatic refresh integration with camera, access control, OA or calendar systems",
    "Recommended minimum polling or refresh interval"
  ]
}