Who is the father of SIM card?

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Tags

1. #these
2. #network
3. #networks
4. #radiolinja
5. #maker
6. #quickly
7. #devrient
8. #developed
9. #first
10. #became
11. #cards
12. #operator
13. #wireless
14. #smart
15. #created
16. #devices
17. #giesecke
18. #crucial
19. #finnish
20. #munich