Product Description: In response to natural disasters (like earthquakes, tsunamis, etc.), the device sends warning and prompt messages to surrounding mobile phone users. The device supports to send SMS or Bulk SMS to mobile phones users (...
Product Description: In response to natural disasters (like earthquakes, tsunamis, etc.), the device sends warning and prompt messages to surrounding mobile phone users. The device supports to send SMS or Bulk SMS to mobile phones users (... more
