variable band | width

width
abbr.	wdt
abbr. insur.	wdth.
abbr. mining.	wdth
abbr. polym.	w.

| filter

filter
abbr.	flt; fltr
abbr. biol.	fit
abbr. comp., MS	ఫిల్టర్ చేయి
abbr. polym.	filt.
electr.eng.	bandpass