Modern cellular network allows you to have connectivity practically anywhere. Your smart phone allows you to have access to voice and data simultaneously. Cellular networks requires antennas to be spread out throughout a geographical area. The land is separated into cells. Antennas cover a cell with certain frequencies. Our mobile devices use the antennas to connect back and forth to the Internet.
- Sharing your smartphone or tablet’s connection to a cellular network. For example, you can connect a wire from your laptop to your mobile phone and provide the laptop with Internet connectivity.
If you’re connecting many devices to your mobile phone over 802.11 wireless connectivity, you’re turning your phone into a mobile hotspot. Anyone connected to your hotspot can then have internet access provided by your phone’s cellular connection.