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RX660A

  • Continuous SPL@1m: 140dBA,Notification Radius: 1124m
  • Single device covers 3.97km² for single mining zones and small border areas.
  • 110V–260V wide voltage, compatible with off-grid solar power supply systems.
  • Stable operation under -40℃ ~ +50℃ for frigid mines and hot mountain regions.
  • Multi dry contacts auto-launch broadcast linked with geological & hydrological sensors.
  • Full-frequency sound unit delivers clear voice amid loud mining mechanical noise.
  • Integrated IP65 sealed shell avoids damage from mountain rain and flying gravel.
  • Standard TCP/IP port connects to county-level comprehensive disaster prevention platforms.
  • Modular short brackets fit mountain observation decks and simple border sentry booths.
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