Bandwidth is used to describe the volume of data transferred across different points in a network within a specific time. It is the maximum rate of data transfer of an internet connection or a network. For instance, a cable modem has a bandwidth of about 25 Mbps, while the bandwidth of a gigabit Ethernet connection is about 1000 Mbps. Bandwidth is typically expressed as bitrate, and ISPs (Internet Service Providers) denote it in Bps (Bits per second).
Every connection has its transmission capacity, which is what bandwidth is, and this is an essential factor to determine an internet connection or the speed and quality of a network.
Although bandwidth describes network speed, it doesn’t measure the speed of bits of data moving from one point to the other. Data packs travel over fiber or electronic optic cables, and their transfer rate is usually negligible. So, bandwidth measures the volume of data flowing through specific connections at a particular time instead.
