A3LWISP40AWireless Audio Transceiver Module

Advanced R&D 1 Group, VD WISP40A Block diagram 1 Discrete Balun (2.4GHz) X-TAL 16MHz Switch (2.4GHz) Ant0 Ant1 AV6201X (Avnera 社 ) I2SI2CGPIO(8)DC 5V Connector 3.6V LDO 3.3V LDO 3.5V LDO 1.8V LDO AV6200 Chipset Block Diagram

416, Maethan 3-Dong, Yeongtong-Gu, Suwon-Si, Gyeonggi-Do, KOREA Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road, Columbia, MD 21046 Date: December 29, 2011 RE: Request of confidentiality for FCC ID: A3LWISP40A To Whom It May Concern: Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules (CFR 47), and Sectio 552 (b) (4) of the Freedom of Information Act, SAMSUNG ELECTRONICS CO.,LTD. Hereby requests confidentiality and treatment of certain information accompanying this application. The materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. We are also hereby request Short-Term Confidentiality for 180 day after the grant as outlined in Public Notice DA 04-1705. This provision will give SAMSUNG ELECTRONICS CO.,LTD. Temporary confidentiality of commercially sensitive information prior to product release. The requested Permanent and Short-Term Confidential exhibits are listed as follows: PERMANENT AND SHORT-TERM CONFIDENTIAL LIST Exhibit Description PERMANENT 1 Operational Description 2 Schematics SHORT-TERM 3 External Photos 4 Internal Photos 5 Test-Setup Photos 6 Users Manual The Applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentations, where applicable, will not be made public before the date of the Grant for this application. Sincerely, December 29, 2011 NAME : Jaywoo Lee TITLE : Engineer COMPANY : : Samsung Electronics Co., Ltd. 416 Maetan-dong, Young-Tong gu, Suwon, Korea 442-742

416, Maethan 3-Dong, Youngtong-Ku, Suwon-City, Kyung-ki-Do, KOREA Attn: Reviewing Engineer Federal communications Commission 7435 Oakland Mills Road Columbia, MD 21046 2011-12-28 RE: PART 15 UNLICENSED MODULAR TRANSMITTER APPROVAL To whom It May Concern: We, Samsung Electronics Co., Ltd., Hereby requests a Modular Approval of our Wireless Audio Transceiver Module, described as follows: Brand name: SAMSUNG Model name: Wireless Audio Transceiver Module FCC ID : A3LWISP40A In FCC Public Notice DA 00-1407 released June 26, 2000 there are eight numbered requirements that our RF Transceiver Module complies with. 1. The modular transmitter must have an own shielding : The radio portion of this module has been shielded, Please see photographs provided with the application. 2. The modular transmitter must have buffered modulation/data inputs. : All inputs to the modules are buffered through logic U1 inputs. Refer to Block Diagram. 3. The modular transmitter must have its own power supply regulation. : The IC Contain an own voltage regulation. In case of changes in the supply voltage VCC (for example caused by temperature changes or other effects), the internal voltage will be stabilized. 4. The modular transmitter must comply with the antenna requirements of Section 15.203 and 15.204c: This module is equipped with an onboard PCB Antenna. For further details please refer to the antenna data sheet included in the filing. 5. The modular transmitter must be tested in a stand-alone configuration: This module was tested in a stand-alone configuration. 6. The modular transmitter must be labeled with its own FCC ID number: This module is labeled with its own FCC ID number, Please see product label design and the external photograph of the device with this label submitted with the application. 7. The modular transmitter must comply with any specific rule of operation requirements applicable to the transmitter and the manufacturer must provide adequate instructions along with the module to explain any such requirements: This module 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: This module is compliant with all applicable RF exposure requirements. RF Exposure is addressed in the test report. Sincerely, Name: Jaywoo Lee Title: Engineer Company: SAMSUNG ELECTRONICS CO., LTD