FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -GSM communication technology is based on the GSM standard – the first to use the cellular protocol that replaced the earlier first-generation communication standard.

Detailed explanation-2: -First, your device establishes a connection with one of the available cellular towers by emitting radio waves. To emit these radio waves, it needs to have a transmitter and antenna. The transmitter turns the data into radio waves that get transmitted through the antenna towards the nearest tower.

Detailed explanation-3: -A router is a device that connects two or more packet-switched networks or subnetworks. It serves two primary functions: managing traffic between these networks by forwarding data packets to their intended IP addresses, and allowing multiple devices to use the same Internet connection.

Detailed explanation-4: -Routers: A router is a physical or virtual device that sends information contained in data packets between networks.