Band & Channel?

Question

What is meant by band & channel, is there a constant frequency after each channel or its up to us, what does it mean by changing a channel.

Answer 1

Band is a range of frequencies - for example the vhf amateur radio band is all the frequencies between 144mhz and 148mhz.

Channel has two meanings.

1. a predetermined frequency (e.g. citizen's band channel 9 is 27.065 mhz) usually factory programmed into the radio.

2. in business band radios the term channel is also used to describe a memory location. A two channel radio has two buttons that can be preprogrammed to two different frequencies.

Answer 2

Band is the frequency spectrum between two defined limits.It is a set of frequencies authorized for use in a geographical area defined for common carriers for purposes of communications system management.
Channel refers to the medium used to convey information from a sender (or transmitter) to a receiver.It is a separate path through which signals can flow. In radio and television, a channel is a separate incoming signal or program source that a user can select.
no,there is no constant frequency after each channel.
changing channel means switching between different frequency bands.

Answer 3

A band is like 2 meter band, 11 meter band etc.
A channel is a specific frequency within the band.