RFID crossword

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Across
  1. 2. Electronic Product Code
  2. 4. unlicensed frequency band
  3. 5. Error checking
  4. 6. multiplexing in time
  5. 7. ----- High Frequency
  6. 10. Radio wave pattern
  7. 13. Interrogator
  8. 15. a tag operation
  9. 17. Mercury series of RFID products
  10. 18. I do not have battery
  11. 20. Send and receive data
  12. 21. transmitting data in both directions
Down
  1. 1. encoding method
  2. 3. a set of communication rules
  3. 4. NFC
  4. 5. multiplexing using code
  5. 8. tag to reader communication
  6. 9. send and receive with separate antennas
  7. 11. Interference
  8. 12. Type a reference interval
  9. 14. RF power measurement
  10. 16. reader protocol
  11. 19. i have battery
  12. 22. 865 MHz to 928 MHz
  13. 23. ------before talk
  14. 24. markup language