What Is a Multiband Radio?
The frequency band, that is , the bandwidth , refers to the width of the frequency band occupied by the signal. When used to describe a channel, the bandwidth refers to the maximum frequency band width of a signal that can effectively pass through the channel. For analog signals, the bandwidth is also called the frequency bandwidth, and is measured in Hertz (Hz). For example, the analog voice phone's signal bandwidth is 3400Hz, and the bandwidth of a PAL-D TV channel is 8MHz (including protection bandwidth). For digital signals, bandwidth refers to the amount of data that the link can pass in a unit of time. For example, the bandwidth of the B channel of ISDN is 64Kbps. Because the transmission of digital signals is accomplished through the modulation of analog signals, in order to distinguish them from analog bandwidths, the bandwidth of digital channels is generally directly described by the baud rate or symbol rate.
- Shannon's Law
- modulation
- Baud rate-symbol rate
- Throughput
- Bandwidth (computer)
- Bandwidth is a key concept in many applications. For example in
- For mathematically regarded as a function of time
- In digital communication systems, bandwidth has two meanings. In a technical sense, it is
- Some web hosting providers will give different meanings to bandwidth. Here, bandwidth has almost become a traffic concept. Means the total amount of downlink data within a specified time. This means that if a web hosting company gives you 2GB of monthly bandwidth, it means that your users can only download up to 2GB of content per month. [2]