Hand writing what are radio waves on grey background

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Size: 4800px × 3200px
Photo credit: © ibreakmedia / Alamy / Afripics
License: Royalty Free
Model Released: Yes

Keywords: arm, black, board, business, communication, concept, grey, hand, handwriting, isolated, letter, letters, message, network, pen, person, radio, sign, signal, symbol, technology, text, wave, waves, white, whiteboard, wireless, word, write, writing