High reliability: IP67 protection rating, can be soaked at a meter depth for 30 minutes without affecting the normal use of the product, reliable, durable, shock, vibration and other indicators to meet GJB requirements, security control: support for two-way authentication, air interface encryption, etc., to meet the high security requirements of users, support for voice, SMS/instant messaging, support, support voice, SMS/instant messaging, Data, video, etc.
