Wireless communication systems - How Old Today?

1

2G

1

3G

1

4G

1

High-Speed_Downlink_Packet_Access

5

5G

5

Bluetooth_3.0

5

Bluetooth_4.0

5

Bluetooth_5.3

5

Bluetooth_LE

5

HSDPA

5

High_Speed_Packet_Access

5

Wi-Fi

5

WiFi