Modular approval letter

FCC ID: S9E-RGTSC3BW

Cover Letter(s)

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FCCID_1369927

Trimble Navigation Limited MCS 345 SW Avery Corvallis, OR 97333 September 15, 2010 Dear Application Examiner: We, Trimble Navigation Limited, are seeking limited modular approval for Ranger/TSC3 (FCC ID S9E-RGTSC3BW). 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 EUT was tested in a stand-alone configuration. The module was greater than 10 cm from the host device. Please see test setup photos exhibit and technical report exhibit. 6. “The modular transmitter must be labeled with its own FCC ID number.” Although the host device is labeled with “Contains FCC ID: S9ERGTSC3BW” The module itself is not labeled with its own FCC ID number. The module will always be installed by Trimble in their host device. Please see FCC ID label & location exhibit. 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, Bob Grant Regulatory Engineer Trimble Navigation bob_grant@trimble.com


Document Created: 2010-10-26 12:51:05
Document Modified: 2010-10-26 12:51:05
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