A+ Wireless/Cellular Word Scramble
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| Question | Answer |
| 2G | First digital transmission standard, used multiplexing (everyone gets a little bit of time on the network). |
| 3G | Improved upon 2G, allowed for new tech like GPS, streaming, and video on demand. |
| 4G | Combined GSM and CDM into one standard. 150 Megabit/s download, sometimes 300 Megabit/s with LTE-A. |
| 5G | 10 Gigabit/s download at the higher end, 100-900 Megabit/s at the lower end. |
| GSM - Global System for Mobile Communications | Was 90% of the world market, gave worldwide coverage. Used multiplexing, everyone gets a sliver of time on the network. AT&T and T-Mobile. |
| CDMA - Code Division Multiple Access | Everyone can communicate at the same time (implied). Verizon and Sprint. Calls and encoded and decoded for security. |
| PRL - Preferred Roaming List | Allows phone to connect to towers to update over the air (OTA). |
Created by:
yiriz
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