Table 1 A summary of new bands released in each generation of cellular networks
Generation | Newly released bands compared to previous generation | Total bandwidth |
|---|---|---|
1G (1970s and 1980s) | 800–900 MHz (AMPS) | 10 MHz |
2G (1990s) | 800–900 MHz (GSM) and 1900 MHz (GSM & CDMA) | 160 MHz (GSM) and 170 MHz (CDMA) |
3G (2000s) | 2100 MHz (IMT-2000) | about 320 MHz |
4G (2010s) | 700 MHz, 1700 MHz, 2300 MHz, 2600 MHz, and 3.5 GHz | about 800 MHz |
5G (2020s) | mmWave (24-47 GHz), >95 GHz (experimental) | about 1–3 GHz |
