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GSM

technology Maturity 5-7

Phones use a special way to talk.

GSM-Telefone-1991.jpg
GSM-Telefone-1991.jpg
This helps phones work far away. It helps us call our friends. It makes our phones work well. We can use them every day.
Icons on GSM mobile phone Siemens S4 (1996).jpg
Icons on GSM mobile phone Siemens S4 (1996).jpg
Do you like using a phone?

46 words
🖼️ Images & Media (7)
File:Dupuis Haug GSM around 1990.jpg
Dupuis Haug GSM around 1990.jpg
File:Bosch CarTel T.jpg
Bosch CarTel T.jpg
File:GSM-Telefone-1991.jpg
GSM-Telefone-1991.jpg
File:Icons on GSM mobile phone Siemens S4 (1996).jpg
Icons on GSM mobile phone Siemens S4 (1996).jpg
File:Gsm structures.svg
Gsm structures.svg
File:Kathrein antenna.jpg
Kathrein antenna.jpg
File:Nano Sim.jpg
Nano Sim.jpg
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📚 Content adapted from Wikipedia | Readability: FK 13.7 | Vital Level 5