PPD-AR5BBU12Bluetooth v2.1+EDR USB module

Atheros Communications, Inc. 5480 Great America Parkway, Santa Clara, CA 95054 t 408 773 5200 f 408 773 9940 www.atheros.com Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 9//30/2009 Dear Examiner: We request the following portions of our application be withheld from public inspection as provided under FCC section 0.459: Block Diagram & Theory of Operation Schematics Antenna Specifications These documents contain details of the proprietary operation of the product not readily discernible - even to technically sophisticated individuals - from our hardware and constitute trade secrets. In addition, pursuant to Public Notice DA 04-1705, in order to comply with the marketing regulations in 47 CFR §2.803 and importation rules in 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request the commission grant short-term confidentiality for the following attachments until 45 days from the date of the Grant of Equipment Authorization: External Photos Internal Photos Test Setup Photos User Manual It is our understanding that all other attachments must be made available for public review once the grant of equipment authorization is issued. Sincerely, Michael Green Manager of Global Product Compliance

FCC ID: PPD-AR5BBU12 Report No. : 980924H03 Modular Approval Request Letter Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch Oct. 28, 2009 Dear Application Examiner, Atheros Communications, Inc.’s Bluetooth v2.1+EDR USB module, FCC ID: PPD-AR5BBU12, would like to 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. 1. “The modular transmitter must have its own RF shielding”: The radio portion of this module has been shielded, please see exhibition External Photo. 2. “The modular transmitter must have buffered modulation/data inputs.” The EUT has buffered data inputs, it is integrated in chip AR3011. 3. The module has its own power supply regulation. The modular transmitter has its own power supply regulation built in AR3011. 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. The spurious emission, unique antenna connector and photo of antennas are shown in the test report. 5. “The modular transmitter must be tested in a stand-alone configuration” The EUT was via test tool board and USB cable which connected to Notebook Computer as a stand-alone configuration. The EUT was tested via the outside a Notebook Computer. Please see section Photographs of Test Configuration in the test report. 6. “The modular transmitter must be labeled with its own FCC ID number.” Please see exhibition Label Sample for the FCC ID of this module. And also in the exhibition Users Manual, there are instructions give to the OEM on how to label the end product. FCC ID: PPD-AR5BBU12 Report No. : 980924H03 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 Users Manual. 8. “The modular transmitter must comply with any applicable RF exposure requirements.” The EUT is compliant with all applicable RF exposure requirements. RF Exposure is addressed in the RF exposure exhibition. Please contact me if you have any further questions. Thanks for your attention. Best Regards, May Chen Deputy Manager of Hsinchu Certification Service Div. Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch

Atheros Communications, Inc. 5480 Great America Parkway Santa Clara CA 95054 t 408 773 5200 f 408-773-9940 www.atheros.com Power of Attorney 2009/9/30 To whom it may concern: We, the undersigned Atheros Communications, Inc. hereby authorize Bureau Veritas Consumer Product Service (Hong Kong) Limited, Taoyuan Branch of Taiwan to act on our behalf in all matters relating to all processes required in the FCC Part 15C approval and any communication needed with the national authority. Any and all acts carried out by Bureau Veritas Consumer Product Service (Hong Kong) Limited, Taoyuan Branch on our behalf shall have the same effects as acts of our own. This authorization is limited to the following products： FCC ID: PPD-AR5BBU12 If you have any questions regarding the authorization, please don’t hesitate to contact us. Thank you! Sincerely yours, --------------------------------------------------------------------------- Michael Green / Manager, Global Product Compliance Atheros Communications, Inc.

Page 1 CONSTRUCTION PHOTOS OF EUT EUT with Chip antenna Page 2 EUT with Printed antenna Page 3 EUT with PIFA antenna

Page 1 CONSTRUCTION PHOTOS OF EUT EUT with Chip antenna Page 2 Page 3 Page 4 EUT with Printed antenna Page 5 Page 6 Page 7 EUT with PIFA antenna Page 8 Page 9

1 PHOTOGRAPHS OF THE TEST CONFIGURATION CONDUCTED EMISSION TEST 2 RADIATED EMISSION TEST (PIFA antenna) 3 4 RADIATED EMISSION TEST (Printed antenna) 5 6 RADIATED EMISSION TEST (Chip antenna) 7