What's the use of the big dipper box?

Beidou Box is a Beidou civil communication terminal based on China Beidou satellite navigation system, which can send and receive Beidou short messages in any range in China. When Beidou Box is used in conjunction with Beidou Box Assistant APP, it can realize the functions of satellite SMS to report safety and one-click SOS alarm, which is especially suitable for friends who like outdoor activities.

The biggest advantage of this product is that you can still keep in touch with your relatives and friends through satellite messages in places where there is no cell phone signal, so that you can let your relatives and friends know your dynamics anytime and anywhere and feel the happiness of your journey. When you encounter difficulties or dangers during your journey, you can use the one-button SOS alarm function to send out a distress message with a location at the first time, so that rescuers can quickly understand the situation and carry out rescue, and ensure your life safety to the maximum extent.