electronic class board
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1. display picture and videos of class, remote bulletin school
notification
2. student and parents communication, support voice and text
3. student attendance functions, class in/out students statistics,
and absence statistics
4. curriculum display, and relevant teachers detail
information display
outdoor 4g fixed wireless phone (plug-in card type)
outdoor gsm fixed wireless phone (plug-in card type)
2. cast aluminum explosion-proof top shell and
steel bottom shell
3. circular key slot for lock, preventing sharp
objects from damaging