LMA letter

FCC ID: KBCIX-WT11

Cover Letter(s)

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FCCID_1077224

                                                                                                      February 23, 2009

               Dear Application Examiner:

               General Dynamics Itronix, Corporation, Model: IX-WT11, FCC ID: KBCIX-WT11, is seeking a
               limited modular approval. The radio meets the requirements for modular approval as detailed in FCC
               15.212. Compliance to each of the requirements is described below:

                   1.   “The modular transmitter must have its own RF shielding.” The radio portion of the
                        module is contained in its own RF shielding. The shielding is installed at the factory. Please
                        see the Internal Photos exhibit.

                   2.   “The modular transmitter must have buffered modulation/data inputs.” The EUT has
                        buffered data inputs to insure compliance with Part 15 requirements under conditions of
                        excessive data rates or over-modulation. Please see the Schematics exhibit.

                   3.   “The modular transmitter must have its own power supply regulation.” The EUT has its
                        own power supply regulation to insure compliance with Part 15 requirements regardless of the
                        quality or level of external DC supplying the module from the host unit. Please see
                        Schematics exhibit. Also, the technical report exhibit contains AC power line conducted
                        emissions data taken with the EUT powered from a linear power supply that contains no EMC
                        suppression components.

                   4.   “The modular transmitter must comply with the antenna requirements of Section 15.203
                        and 15.204(c).” The EUT meets the FCC antenna requirements. Please see Antenna
                        information exhibit and internal photos exhibit.

                   5.   “The modular transmitter must be tested in a stand-alone configuration.” The module
                        had previously been tested in a stand-alone configuration by the OEM for a full modular
                        approval. For this specific application for limited modular approval, the EUT was not stand
                        alone but embedded with in a host GD8000. Please see test setup photos exhibit and
                        technical report exhibit.

                   6.   “The modular transmitter must be labeled with its own FCC ID number.” The EUT is
                        labeled with its own FCC ID number. Please see FCC ID label & location exhibit. Since the
                        FCC ID number will not be visible when the module is installed inside the host pc, another
                        label with the FCC ID will be applied to the exterior of the host pc.

                   7.   “The modular transmitter must comply with any specific rule or operating requirements
                        applicable to the transmitter and the manufacturer must provide adequate instructions
                        along with the module to explain any such requirements.” The EUT is compliant with all
                        applicable FCC rules. Detail instructions for maintaining compliance are given in the User
                        Manual.

                   8.   “The modular transmitter must comply with any applicable RF exposure requirements.”
                        The EUT is compliant with all applicable RF exposure requirements. Please see RF Exposure
                        Exhibit.

               Please contact me if you have additional questions. Your attention to this matter is greatly
               appreciated.

               Best regards,




         Mark Harwood
         Agency Engineering
         General Dynamics Itronix, Corporation



12825 E. Mirabeau Parkway
Spokane Valley, WA 99216
Tel: 509 624 6600



Document Created: 2009-02-23 12:56:35
Document Modified: 2009-02-23 12:56:35

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