optical communication

communication at a distance using light to carry information

en-US/ˈɑptɪkəl kəmˌjunəˈkeɪʃən/
en-GB/ˈɒptɪkəl kəˌmjuːnɪˈkeɪʃən/

ক্যাটাগরি:

communicationtransmission