How Signals Are Sent Over Connections?
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Signals are sent over connections by using a variety of transmission protocols and methods. Typically, signals are sent using wired or wireless technologies such as Ethernet, Wi-Fi, cellular, and Bluetooth. For example, in the Ethernet protocol, Ethernet frames are used to send signals over the network. The frames contain the source and destination addresses, a message, and other information. Similarly, Bluetooth and Wi-Fi use radio signals to send and receive data over the network. Cellular networks use radio signals to transmit data, but they also use a variety of technologies such as CDMA, GSM, and LTE to send and receive data.