Rearrange the shaded letters to discover your gift

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Across
  1. 1. Morse ____
  2. 7. Study of encryption and decryption
  3. 9. Coder
Down
  1. 2. Door
  2. 3. Japanese number puzzle
  3. 4. ______ wheel
  4. 5. Member of MI5 eg.
  5. 6. Fasten
  6. 8. Create
  7. 10. vital