Learn how to say Bandwidths correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word bandwidth:
1 Electronics a range of frequencies within a given band, in particular that used for transmitting a signal.
the transmission capacity of a computer network or other telecommunication system:
posting separately wastes bandwidth and disk space
2the energy or mental capacity required to deal with a situation:
he lives alone, and says he doesn’t have the bandwidth to handle a steady relationship