Modular Approval Cover Letter

FCC ID: QOQWT41U

Cover Letter(s)

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FCCID_3538358

SILICON LABS MODULAR APPROVAL REQUEST 31.08,2017 RE: FCC ModularApproval FCC ID: qoowT41U Dear Application Examiner Bluegiga Technologies Inc. / Bluetooth module, FCC ID: QOQWT41U, would liketo have your authorization as a modular approval. The requirements of section 15.212 of FCC rules have been met and shown on the following statements. The modular transmitter must have its The module has its own RF shielding own RF shielding. The modular transmitter must have The module has buffered data inputs buffered modulation/data inputs (if such inputs are provided) to ensure that the module will comply with Part 15 requirements under conditions of excessive data rates or over—modulation. The modular transmitter must have its The module has its own power supply own power supply regulation. regulation. The madular transmitter must comply An embedded chip antenna is with the antenna requirements of Section permanently attached to the WT41u—A. 15.203 and 15.204(c). The antenna must WTATu—A and WT4TUE / WT41u—N have either be permanently attached or unique antenna coupler. employ a "unique" antenna coupler (at all connections between the module and the antenna, including the cable). Any antenna used with the module must be approved with the module, either at the time of initial authorization or through a Class II permissive change. The "professional installation" provision of Section 15.208 may not be applied to modules. The modular transmitter must be tested The module was tested in a stand alone in a stand—alone configuration, i.e., the configuration using a test kit. module must not be inside another device during testing. This is intended to demonstrate that the module is capable of complying with Part 15 emission limits regardless of the device into which it is eventually installed. Unless the ransmitter module will be battery

powered, it must comply with the AC line conducted requirements found in Section 15.207. AC or DC power lines and data input/output lines connected to the module must not contain ferrites, unless they will be marketed with the module {see Section 15.27(a)). The length of these lines shall be fength typicalof actual use or, if that lengthis unknown, at least 10 centimeters to insure that there is no coupling between the case of the madule and supporting equipment. Any accessories, peripherals, or support equipment connected to the module during testing shall be unmodified or commercially available (see Section 15.31(i)). The modular transmitter must be labeled Please see exhibition label samplefor with its own FCC ID number, and, if the the FCC ID of this module. And also in FCC ID is not visible when the module is the exhibition User manual, there are installed inside another device, then the instructions to give to the OEM on how to outside of the device into which the fabel the end product. module is installed must also display a label referring to the enclosed module. This exterior label can use wording such as the following: "Contains Transmitter Module FCC ID: XYZMODEL1® or "Contains FCC ID: XYZMODEL1." Any similar wording that expressesthe same meaning may be used. The Grantee may either provide such a label, an example of which must beincluded in the application for equipment authorization, or, must provide adequate instructions along with the module which explain this requirement. In the latter case, a copy of these instructions must be included in the application for equipment authorization. The modular transmitter must comply The module is compliant with all with any specific rule or operating applicable FCC rules. Detailed requirements applicable to the instructions for remaining compliance are transmitterand the manufacturer must given in the User Manual (datasheet). provide adequate instructions along with the module to explain any such requirements. A copy of these instructions must be included in the application for equipment authorization. For example, there are very strict operational and timing requirements that must be met before a transmitter is authorized for operation under Section 15.231. For instance, data transmission is prohibited, except for operation under Section 15.231(e), in

which case there are separate field strength level and timing requirements. Compliance with these requirements must be assured. The modular transmitter must comply The module complies with RF exposure with any applicable RF exposure requirement. RF exposure is addressed requirements. For example, FCC Rules in the RF exposure exhibition. in Sections 2.1091, 2.1093 and specific Sections of Part 15, including 15.319(i), 15.407(M, 15.253(f) and 15.255(g), require that Unlicensed PCS, UNIl and millimeter wave devices perform routine environmental evaluation for RF exposure to demonstrate compliance. In addition, spread spectrum transmitters operating under Section 15.247 are required to address RF Exposure compliance in accordance with Section 15.247(b)(4). Modular transmitters approved under other Sections of Part 15, when necessary, may also need to address certain RF Exposure concerns, typically by providing specific installation and operating instructions for users, installers and other interested parties to ensure compliance. Best regards o/— Pasi Rahikkala, Staff HW Engineer Silicon Labs



Document Created: 2017-08-31 13:38:15
Document Modified: 2017-08-31 13:38:15
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