What is the relationship between learning to protect cards and secure short messages?

Secure SMS is the function of learning the protection card.

Nursing card is a multifunctional intelligent terminal, which is worn on the chest.

1, the student care card is also called the student access card. Parents can not only see students' attendance information, such as the time of entering the campus, but also call the school. A student can make more than one phone call to prevent children from playing with mobile phones. Through one card, four platforms and twelve functions, the student care card realizes all-round active security defense for students, thus helping schools solve problems and eliminating parents' worries.

2. The functions of the study card also include: intelligent attendance, timely positioning, one-click help, secure short message, remote monitoring, regional reminder, track playback, campus mode, alarm clock, designated answering, etc.