Modular Approval Letter

FCC ID: MCQ-MCWIFI

Cover Letter(s)

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FCCID_1062742

Applicant/Grantee Digi International Inc FCC ID: MCQ-MCWIFI Section 15.212 Modular Transmitters Request for Modular Approval Request for Limited Modular Approval Requirements EUT Conditions Comply (Y/N) Single Modular Approval Requirements 1 The radio elements of the modular The modular device is equipped with Y transmitter must have their own metal shielding to cover the RF section. shielding. The physical crystal and Please refer to Figures 1& 2. tuning capacitors may be located external to the shielded radio elements. 2 The modular transmitter must have All inputs to the module are buffered Y buffered modulation/data inputs (if such through logic or microprocessor inputs. inputs are provided) to ensure that the module will comply with Part 15 requirements under conditions of excessive data rates or over-modulation. 3 The modular transmitter must have its The transmitter portion of the modular Y own power supply regulation. device uses its own 2.8V and 3.3V voltage regulators. Please refer to Figure 4. 4 The modular transmitter must comply The modular device and the antenna are Y with the antenna and transmission equipped with unique RPSMA system requirements of Sections 15.203, connectors. Please refer to Figure 5. 15.204(b) and 15.204(c). The antenna must either be permanently attached or employ a “unique” antenna coupler (at all connections between the module and the antenna, including the cable). The “professional installation” provision of Section 15.203 is not applicable to modules but can apply to limited modular approvals under paragraph (b) of this section. 5 The modular transmitter must be tested The modular device was tested in a Y in a stand-alone configuration, i.e., the stand-alone configuration with the help module must not be inside another of another board which supplied only device during testing for compliance physical support and power connections. with Part 15 requirements. Unless the Please see Figure 6. transmitter 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 the length typical of actual use or, if that length is unknown, at least 10 centimeters to

insure that there is no coupling between the case of the module and supporting equipment. Any accessories, peripherals, or support equipment connected to the module during testing shall be unmodified and commercially available (see Section 15.31(i)). 6 The modular transmitter must be The modular device has its FCC Y equipped with either a permanently identification number printed on the affixed label or must be capable of PCB. Please see Figure 7. Another label electronically displaying its FCC is to be placed externally on any system identification number. into which the module is installed. (A) If using a permanently affixed label, the Figure 8 shows this labeling requirement modular transmitter must be labeled with its own recommendation which is stated in the FCC identification number, and, if the FCC identification number is not visible when the User’s Manual. module is installed inside another device, then the outside of the device into which the 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 expresses the same meaning may be used. The Grantee may either provide such a label, an example of which must be included 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. (B) If the modular transmitter uses an electronic display of the FCC identification number, the information must be readily accessible and visible on the modular transmitter or on the device in which it is installed. If the module is installed inside another device, then the outside of the device into which the module is installed must display a label referring to the enclosed module. This exterior label can use wording such as the following: “Contains FCC certified transmitter module(s).” Any similar wording that expresses the same meaning may be used. The user manual must include instructions on how to access the electronic display. A copy of these instructions must be included in the application for equipment authorization. 7 The modular transmitter must comply Please Refer to the “OEM User’s Y with any specific rules or operating Manual” supplied separately. requirements that ordinarily apply to a complete transmitter and the manufacturer must 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. 8 The modular transmitter must comply Calculated Maximum Permissible Y with any applicable RF exposure Exposure is within limits. Please see requirements in its final configuration. Report 08U12300-2, Revision A. A limited modular approval may be granted for single or split modular transmitters that do not comply with all of the above requirements, e.g., shielding, minimum signaling amplitude, buffered modulation/data inputs, or power supply regulation, if the manufacturer can demonstrate by alternative means in the application for equipment authorization that the modular transmitter meets all the applicable Part 15 requirements under the operating conditions in which the transmitter will be used. Limited modular approval also may be granted in those instances where compliance with RF exposure rules is demonstrated only for particular product configurations. The applicant for certification must state how control of the end product into which the module will be installed will be maintained such that full compliance of the end product is always ensured.


Document Created: 2009-01-28 10:53:04
Document Modified: 2009-01-28 10:53:04
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