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passband

[pas-band, pahs-] /ˈpæsˌbænd, ˈpɑs-/
noun, Radio and Television.
1.
the range of frequencies that pass with a minimum of attenuation through an electronic filter.
Origin
1920-1925
1920-25; pass + band2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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