Giteki 209-J00231

Bluetooth 2.1+EDR Module, models WT41u-A and WT41u-E

MIC source updated 2026-10-19. English translations shown first; original Japanese fields are available on each certificate.

Certificate information

Certificate number: 209-J00231
Applicant: Silicon Laboratories Inc | Silicon Laboratories Inc.
Model / equipment: Bluetooth 2.1+EDR Module, models WT41u-A and WT41u-E
Certification date: 2020-07-06
Certifying organization: ACB,Inc
Certification year: 2020

Radio equipment and technical records

Radio record 1

Certification date: 2017-02-01
Applicant: Silicon Laboratories Inc
Model / equipment: Bluetooth 2.1+EDR Module, models WT41u-A and WT41u-E
Certifying organization: ACB,Inc
Certification type: Construction design certification under mutual recognition (MRA)
Radio equipment class: Specific radio equipment specified in Article 2, Item 19
Emission, frequency and power: F1D 2402-2480MHz 1.4mW\/MHz G1D 2402-2480MHz 0.15mW\/MHz F1D 2402-2480MHz 1.0mW\/MHz G1D 2402-2480MHz 0.25mW\/MHz
Body SAR: ―
Frequency maintenance function: No
Spurious emission rules: New spurious emission rules
Notes: The change history is as follows. Changed as follows on 2020/04/28 [Name] Silicon Laboratories International Pte.Ltd.

All original source fields

{
    "attachmentFileCntForCd1": "",
    "attachmentFileCntForCd2": "",
    "attachmentFileKey": "",
    "attachmentFileName": "",
    "bodySar": "―",
    "date": "2017-02-01",
    "elecWave": "F1D 2402-2480MHz 1.4mW\\/MHz\\nG1D 2402-2480MHz 0.15mW\\/MHz\\nF1D 2402-2480MHz 1.0mW\\/MHz\\nG1D 2402-2480MHz 0.25mW\\/MHz",
    "fqMaintainFunc": "無",
    "name": "Silicon Laboratories Inc",
    "note": "変更履歴は次のとおり。\\n・2020年04月28日に下記のとおり変更\\n【氏名又は名称】Ｓｉｌｉｃｏｎ　Ｌａｂｏｒａｔｏｒｉｅｓ　Ｉｎｔｅｒｎａｔｉｏｎａｌ　Ｐｔｅ．Ｌｔｄ．",
    "number": "209-J00231",
    "organName": "ACB,Inc",
    "radioEquipmentCode": "第２条第１９号に規定する特定無線設備",
    "spuriousRules": "新スプリアス規定",
    "techCode": "相互承認(MRA)による工事設計認証",
    "typeName": "Bluetooth 2.1+EDR Module, models WT41u-A and WT41u-E"
}

Radio record 2

Certification date: 2020-07-06
Applicant: Silicon Laboratories Inc.
Model / equipment: Bluetooth 2.1+EDR Module, models WT41u-A and WT41u-E
Certifying organization: ACB,Inc
Certification type: Construction design certification under mutual recognition (MRA)
Radio equipment class: Specific radio equipment specified in Article 2, Item 19
Emission, frequency and power: F1D 2402~2480MHz (1000kHz spacing, 79 channels) 1.4mW/MHz G1D 2402~2480MHz (1000kHz spacing, 79 channels) 0.15mW/MHz F1D 2402~2480MHz (3.95MHz spacing, 20 channels) 1mW/MHz G1D 2402~2480MHz (3.95MHz spacing, 20 channels) 0.25mW/MHz
Body SAR: ―
Frequency maintenance function: No
Spurious emission rules: New spurious emission rules
Notes: The change history is as follows. Changed as follows on 2020/04/28 [Name] Silicon Laboratories International Pte.Ltd.

All original source fields

{
    "attachmentFileCntForCd1": "",
    "attachmentFileCntForCd2": "",
    "attachmentFileKey": "",
    "attachmentFileName": "",
    "bodySar": "―",
    "date": "2020-07-06",
    "elecWave": "Ｆ１Ｄ　2402～2480ＭＨz(1000kＨz間隔79波)　1.4mＷ／ＭＨz\\nＧ１Ｄ　2402～2480ＭＨz(1000kＨz間隔79波)　0.15mＷ／ＭＨz\\nＦ１Ｄ　2402～2480ＭＨz(3.95ＭＨz間隔20波)　１mＷ／ＭＨz\\nＧ１Ｄ　2402～2480ＭＨz(3.95ＭＨz間隔20波)　0.25mＷ／ＭＨz",
    "fqMaintainFunc": "無",
    "name": "Ｓｉｌｉｃｏｎ　Ｌａｂｏｒａｔｏｒｉｅｓ　Ｉｎｃ．",
    "note": "変更履歴は次のとおり。\\n・2020年04月28日に下記のとおり変更\\n【氏名又は名称】Ｓｉｌｉｃｏｎ　Ｌａｂｏｒａｔｏｒｉｅｓ　Ｉｎｔｅｒｎａｔｉｏｎａｌ　Ｐｔｅ．Ｌｔｄ．",
    "number": "209-Ｊ00231",
    "organName": "ACB,Inc",
    "radioEquipmentCode": "第２条第１９号に規定する特定無線設備",
    "spuriousRules": "新スプリアス規定",
    "techCode": "相互承認(MRA)による工事設計認証",
    "typeName": "Ｂｌｕｅｔｏｏｔｈ　２．１＋ＥＤＲ　Ｍｏｄｕｌｅ，　ｍｏｄｅｌｓ　ＷＴ４１ｕ－Ａ　ａｎｄ　ＷＴ４１ｕ－Ｅ"
}

Photos and test report documents

No attachment documents are listed in this MIC record.

Source: Japan Ministry of Internal Affairs and Communications (MIC). Giteki search · Search FCCID.io