Second generation network (2G) is the most common network type, and includes GSM and GPRS. 2.75G is often of EDGE/EGPRS type. Third generation (3G) includes UMTS (W-CDMA) and is fast (useful for mobile internet).
GSM / CDMA / HSPA / EVDO / LTE / 5G
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, hotspot
802.11ax (Wi-Fi 6)
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