Bandwidth adjectives are listed in this post. Each word below can often be found in front of the noun bandwidth in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing BANDWIDTH.
actual, additional, adequate, available, average, broad, db
effective, enough, entire, extra, finite, full, greater
high, higher, large, larger, less, limited, low
lower, maximum, minimum, more, much, narrow, narrower
overall, required, same, signal, small, spectral, sufficient
total, unlimited, wide, wider
Hope this word list had the adjective used with bandwidth you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.