"low-noise block downconverter" meaning in English

{
  "forms": [
    {
      "form": "low-noise block downconverters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "low-noise block downconverter (plural low-noise block downconverters)",
      "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"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Communication",
          "orig": "en:Communication",
          "parents": [
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "LNB common abbreviation"
        }
      ],
      "glosses": [
        "A device that amplifies a high frequency band of radio spectrum and converts it to a lower frequency used in satellite communications."
      ],
      "id": "en-low-noise_block_downconverter-en-noun-cmD5PK3N",
      "links": [
        [
          "communication",
          "communication"
        ]
      ],
      "raw_glosses": [
        "(communication) A device that amplifies a high frequency band of radio spectrum and converts it to a lower frequency used in satellite communications."
      ],
      "topics": [
        "communication",
        "communications"
      ]
    }
  ],
  "word": "low-noise block downconverter"
}

{
  "derived": [
    {
      "word": "LNB common abbreviation"
    }
  ],
  "forms": [
    {
      "form": "low-noise block downconverters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "low-noise block downconverter (plural low-noise block downconverters)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Communication"
      ],
      "glosses": [
        "A device that amplifies a high frequency band of radio spectrum and converts it to a lower frequency used in satellite communications."
      ],
      "links": [
        [
          "communication",
          "communication"
        ]
      ],
      "raw_glosses": [
        "(communication) A device that amplifies a high frequency band of radio spectrum and converts it to a lower frequency used in satellite communications."
      ],
      "topics": [
        "communication",
        "communications"
      ]
    }
  ],
  "word": "low-noise block downconverter"
}