全球各个运营商的名称+国家代码+MCC+MNC+运营频段列表，更新至2020.3.3。如下格式： { "type": "National", "countryName": "Abkhazia", "countryCode": "GE-AB", "mcc": "289", "mnc": "67", "brand": "Aquafon", "operator": "Aquafon JSC", "status": "Operational", "bands": "GSM 900 / GSM 1800 / UMTS 2100 / LTE 800", "notes": "MCC is not listed by ITU; LTE band 20" },