Cover Letter Requesting Modular Approval

FCC ID: BRWDAMTX12

Cover Letter(s)

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FCCID_3307267

12 East Devonwood S OLVING A W AVE OF EMI C OMPLIANCE P ROBLEMS Romeoville, IL 60446 August 5, 2013 Tel: (815) 293-0772 Fax: (815) 293-0820 Federal Communications Commission Authorization and Evaluation Division APPLICANT: Horizon Hobby, Inc. REFERENCE FCC ID: BRWDAMTX12 RE: Request for Modular Approval Industry Canada Authorization and Evaluation Division REFERENCE Industry Canada ID: 6157A-AMTX12 RE: Request for Modular Approval Radiometrics has been authorized by Horizon Hobby to act as an agent in the preparation of their submittal request for Modular Approval. Modular approval Requirements Characteristics: FCC Part 15 Item Requirement EUT Justification 1 Have its own RF shielding The RF portions of the module are completely contained within a metal shielding can. The module does not depend on any other shielding. 2 Have buffered modulation/data inputs (if such All data communication with the module is inputs are provided), digital. A microprocessor then converts the digital information into the analog RF signal. 3 Have it own power supply regulation The module has on-board voltage regulation which allows it to accept input power between 4-volts and 10-volts DC. 4 Meet the antenna requirements of Section The module and antenna design is not 15.203 user serviceable. It utilizes non-standard micro-coaxial connectors and antennas with approximate gain of 1.5 dBi. 5 Be tested in a stand-alone configuration, i.e., Device was tested with an DC power supply. the antenna, AC or DC power and data It had no additional shielding. input/output lines must be connected to the module but, the module must not be inside another case during testing 6 Be labeled with its own FCC ID number, and if The FCC ID label format is included in the the FCC ID is not visible when the module is filing. The product will always be inside installed inside another device, then the outside another enclosure during actual use. A of the device into which the module is installed label will be placed on the outside of the must also display a label referring to the product if the FCC ID is not visible enclosed module.

Item Requirement EUT Justification 7 The modular transmitter is manufactured so Frequency selection is controlled by the that the user cannot influence the operation of product’s software configuration, which is the transmitter that will operate outside of the not user configurable or accessible. scope of the regulations. 8 Address compliance with the Commission's RF Example exposure limits in Sections 1.1310 and 2.1093. Refer to RF exposure Exhibit. The transmitter In addition, spread spectrum transmitters meets MPE calculations of 47 CFR 1.1310. operating under Section 15.247 are required to address RF exposure compliance in accordance with Section 15.247(b)(4). Modular approval Requirements Characteristics: RSS-Gen Section 7.1.1 Item RSS-Gen EUT Requirement EUT Justification (a) The module must be a complete radio The module meets this requirement. transmitter with its own reference oscillator, antenna, etc. The only connectors to the module, if any, are power supply and modulation/data inputs. (b) The module has its own RF shielding. The RF portions of the module are completely contained within a metal shielding can. The module does not depend on any other shielding. (c) The module must have buffered All inputs to the module are buffered and modulation/data input(s) (if such inputs are processed through logic provided) to ensure that the module will comply with RSS-210 requirements under conditions of excessive data rates or over-modulation. (d) The module has its own power supply All power supplies on the board, 3.05V, regulation. This is to ensure that the module 1.73V, 1.15V, are provided/regulated from the will comply with RSS-210 requirements PMIC. The PMIC receives power either from regardless of the design of the power supplying the battery or from the host interface (5V over circuitry in the host device which houses the USB). Refer to the Block Diagram. module. (e) The certification submission contains a detailed Two ¼ wave dipole antenna are used. See description of the configuration of all antennas theory of operation that will be used with the module. Item RSS-Gen Testing Requirement EUT Justification (a) The host device, as a stand-alone unit without The host device meets this requirement. any separately certified modules, complies with all applicable Radio Standards Specifications. (b) The host device and all the separately certified Refer to RF exposure Exhibit. The transmitter modules it contains jointly meet the RF meets RSS-102. exposure compliance requirements of RSS- The antenna gain is less than 6 dB 102, if applicable. (b) The host device complies with the certification The host device meets this requirement. labeling requirements of each of the modules it contains.

This product will not be sold to the general public as a module. It will only be installed in Horizon Hobby products. Please do not hesitate to contact me if there are any further questions. Sincerely, Joseph Strzelecki, NCE Radiometrics Midwest Corporation Authorized Agent for Horizon Hobby E-Mail: joe@radiomet.com


Document Created: 2013-08-08 13:09:18
Document Modified: 2013-08-08 13:09:18
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