What does Bandwidth mean – What is Bandwidth?

Definition and Meaning

Bandwidth is a term used to explain the amount of data can be transported over a connection. It is expressed as Mbit/s or kbit/s Megabits per second or kilobits per second respectively. It is a major measurement, which takes the total amount of information transferred in a specific period of time at a rate without mulling over the nature of the signal itself.


Throughput can researched as a part of the bandwidth that considers whether data was efficiently transmitted or not. While the data transfer usage (bandwidth) of a connection may be very high, the connection will remain low if the signal loss rate is also high. On the other hand, even a fairly low-bandwidth connection can have a reasonably high throughput if the quality of the signal is also high.

What is Bandwidth?

The term bandwidth is very popular as well as familiar to people due to the fact that most of the internet hosting companies and ISPs use this particular word to describe their services. However, they use it in a different sense (incorrect one); they use the term bandwidth to describe the total amount of monthly data transferred in 30 days. Many ISPs place caps on their bandwidth so that the consumer can only get the allotted bandwidth for a given period of time. This, however, doesn’t imply on unlimited packages. Different hosting plans support different bandwidth measures. Keep in mind that unlimited plans also carry some sorts of caps, because if the limit is crossed then the service will be interrupted or the users may be throttled down.

Bandwidth Limit

All the technologies for connecting to the internet have distinctive bandwidth limits linked with them. A normal phone line and dial-up connection has a limit of 56 kbit/s. On the other hand, a DSL connection can go up to 10Mbit/s. Likewise, a cable connection can reach 30 Mbit/s with their dedicated nature of the real bandwidth. Large connections such as T3 and OC12 has the bandwidth limits of 43 Mbit/s and 622 Mbit/s respectively. A larger connection like OC192 has the bandwidth limit of 9.6 Gbit/s.

Bottom Line

Bandwidth is likewise a restricting aspect of the technological innovation that joins your PC to the modem or any device which is interacting with the internet line. For instance, normal ethernet supports a bandwidth of 10 Mbit/s, which means if you have an internet connection of 12 Mbit/s it won’t deliver the full speed; wasting about 2 Mbit/s. Wireless technologies are likewise limited by bandwidth; 802.11b Wireless features only 11 Mbit/s. Basically, the bandwidth is always limited no matter what medium it is featured on. The spectrum is likewise limited to a certain level.

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