"passband" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pass",
        "3": "band"
      },
      "expansion": "pass + band",
      "name": "compound"
    }
  ],
  "etymology_text": "From pass + band.",
  "forms": [
    {
      "form": "passbands",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "passband (plural passbands)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
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          "name": "Pages with 1 entry",
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          "source": "w"
        },
        {
          "kind": "other",
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        }
      ],
      "glosses": [
        "The range of frequencies or wavelengths that can pass through a filter without being reduced in amplitude."
      ],
      "id": "en-passband-en-noun-0gNKku37",
      "links": [
        [
          "wavelength",
          "wavelength"
        ],
        [
          "filter",
          "filter"
        ],
        [
          "amplitude",
          "amplitude"
        ]
      ],
      "related": [
        {
          "word": "bandpass"
        },
        {
          "word": "stopband"
        }
      ]
    }
  ],
  "word": "passband"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pass",
        "3": "band"
      },
      "expansion": "pass + band",
      "name": "compound"
    }
  ],
  "etymology_text": "From pass + band.",
  "forms": [
    {
      "form": "passbands",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "passband (plural passbands)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "bandpass"
    },
    {
      "word": "stopband"
    }
  ],
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "The range of frequencies or wavelengths that can pass through a filter without being reduced in amplitude."
      ],
      "links": [
        [
          "wavelength",
          "wavelength"
        ],
        [
          "filter",
          "filter"
        ],
        [
          "amplitude",
          "amplitude"
        ]
      ]
    }
  ],
  "word": "passband"
}