NKR-SWA2Wireless Audio Module

Wireless Audio Module AVMD7520‐SWA2 Datasheet Fred Weiss 2010/12/29 Customer P/N: N/A Avnera Model: AVMD7520-SWA2 WNC P/N: 55SWA201.SG1 Description: Wireless Audio Module CONTENTS SUBJECT TO CHANGE WITHOUT NOTICE 2 AVNERA PROPRIETARY & CONFIDENTIAL | PROVIDED UNDER NDA General Description The AVMD7520-SWA2module is a complete radio module solution containing all the necessary HW and FW to provide a system-integration- ready, multichannel wireless HD audio solution compatible with the AM2G and AAL wireless audio system. The module is comprised of an AV7520 IC combined with RF front-end circuits (RF PA + balun + filter + RF switch), flash memory, crystal, and passive components. It is an FCC modular certified solution with RF connectors for connection to external antennas. The module also provides a convenient set of digital I/O interfaces for digital audio through an I2S port, host MCU control through an SPI or I2C interface and optional GPIO for various control and indicator functions. The module is a card slot style using the 36 pin PCIe card edge pin arrangement to save space and cost in connecting to a main system board. Features 9 Complete, Integrated Wireless Module o AV7520 IC o Complete RF front-end o Single +5V supply voltage connection 9 High Performance Audio and RF solution o Supports 16 bit, 48kHz up to 24 bit, 96kHz digital audio formats o 120dB SNR Audio Path o Fixed Low Latency solution o +15dBm transmit RF output power o -82dBm receive RF sensitivity o Support for 30m/150m range NLOS/LOS 9 Digital interfaces and Audio o 4 channel digital audio I/O (2 stereo I2S ports) ƒ Configurable as inputs or outputs o Stereo audio DAC output o 4-wire SPI slave interface or 2-wire I2C-compatible communication with the host MCU 9 Package and connections o Compact size (30mm x 50mm) o 36 pin (2x18) PCIe style card slot edge connector o Dual U.FL RF outputs for diversity antenna support AVMD7520-SWA2 +15dBm, U.FL connector, 4 channel digital I/O Wireless HD Audio Module Solution AVMD7520-SWA2 Module Datasheet revision 1.0 CONTENTS SUBJECT TO CHANGE WITHOUT NOTICE 3 AVNERA PROPRIETARY & CONFIDENTIAL | PROVIDED UNDER NDA Revision History Revision Change Summary Release Date 0.9 Preliminary release for Avnera internal review Nov, 2010 Table of Contents General Description .............................................................................................................................................................. 2 Module Picture ...................................................................................................................................... 錯誤! 尚未定義書籤。 Features ............................................................................................................................................................................... 2 Block Diagram ...................................................................................................................................... 錯誤! 尚未定義書籤。 List of Figures ....................................................................................................................................................................... 3 1 AVMD7520-SWA2 PIN CONFIGURATION................................................................................................................. 4 2 ELECTRICAL SPECIFICATIONS ............................................................................................................................... 6 2.1 Absolute Maximum Ratings .................................................................................................................................... 6 2.2 DC Electrical Characteristics .................................................................................................................................. 6 2.3 Electrical Characteristics – RF Receiver ................................................................................................................ 7 2.4 Electrical Characteristics – RF Transmitter ............................................................................................................ 7 2.5 Electrical Characteristics – RF Channel Frequency ............................................................................................... 8 2.6 Electrical Characteristics – End-to-end Audio Characteristics ................................................................................ 8 2.6.1 I2S Paths ...................................................................................................................................................... 8 2.6.2 Audio DAC Path ............................................................................................................................................ 8 2.7 Electrical Characteristics – MCLK Characteristics .................................................................................................. 9 2.8 Over-the-air Range ................................................................................................................................................. 9 3 Package Information ................................................................................................................................................. 10 3.1 Mechanical Dimensions........................................................................................................................................ 10 4 Ordering Information ................................................................................................................................................. 11 5 CONTACT INFO & LEGAL DISCLAIMER................................................................................................................. 12 List of Figures Figure 1-1 – AVMD7520-SWA2 module pin configuration .................................................................................................... 4 Figure 3-1 - AVMD7520-SWA2 module mechanical dimensions ................................…

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Page No. : 8 Wistron NeWeb Corporation 20 Park Avenue II, Hsinchu Science Park, Hsinchu 308,Taiwan,R.O.C. Tel: 886-3-666-7799 Fax: 886-3-666-7323 Confidential Letter Date: 2011/2/8 Federal Communications Commission Authorization and Evaluation Division FCC ID：NKR-SWA2 Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, the Applicant Hereby requests confidential treatment of information accomparting this Application As outlined below: 1. Block Diagram 2. Circuit Diagram 3. Operational Description The above 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. The Applicant understands that pursuant to Rule 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application Sincerely, Applicant’s company name : Wistron NeWeb Corporation Applicant’s company address : 20 Park Avenue II, Hsinchu Science Park, Hsinchu 308,Taiwan,R.O.C. Signature : _____________________________ Job Title and Dept. : Troy Chien / Senior Principal Engineer / System Engineering dept. E-Mail : [email protected] Tel. : 886-3-666-7799

Page No. : 15 Wistron NeWeb Corporation 20 Park Avenue II, Hsinchu Science Park, Hsinchu 308,Taiwan,R.O.C. Tel: 886-3-666-7799 Fax: 886-3-666-7323 DoC Attestation Letter Date: 2011/2/8 We Wistron NeWeb Corporation, as the grantee of this project FCC ID: NKR-SWA2, would like to declare that the composite portion categorized as computer peripheral has been authorized under the Declaration of Conformity procedures. Regards, FCC Grantee contact person information. Applicant’s company name : Wistron NeWeb Corporation Applicant’s company address : 20 Park Avenue II, Hsinchu Science Park, Hsinchu 308,Taiwan,R.O.C. Signature : _____________________________ Job Title and Dept. : Troy Chien / Senior Principal Engineer / System Engineering dept. E-Mail : [email protected] Tel. : 886-3-666-7799

Page No. : 19 Limited Module Approval Request Letter Subject: Limited Module Approval Date: 2011/2/8 FCC ID: NKR-SWA2 Dear Reviewer, We, Sporton International Inc., are authorized by Wistron NeWeb Corporation to have their state-of-the-art Wireless Audio Module approved under limited module approval authorization. The application of this module is specified to mobile host equipment. The requirements regulated in Public Notice DA00-1407 have been fulfilled and clearly explained below. 1. The requirement of RF shielding: The shielding of the radio portion can be demonstrated in exhibition External Photo. 2. The requirement of buffered inputs: Buffered data inputs stage has been integrated in chip AV7520. 3. The requirement of power supply regulation: The part number of the power regulator is XC6219. 4. The requirements of section 15.203 and 15.204(C): The requirements of antenna connector and spurious emission have been fulfilled. Please reference the exhibition Test Report. 5. The requirement of stand-alone test configuration: Please reference exhibition Test Configuration Photo for the stand-alone test configuration. 6. The requirement of labeling: The instruction on the labeling rule of the end product has been stated in the users manual of this module. Please also see the exhibition Label Sample. 7. The requirement of compliance on specific rule or operating requirements: The required FCC rule has been fulfilled and all the instructions for maintaining compliance has been clearly stated in the Users Manual. 8. The requirement of RF exposure: Please refer exhibition RF Exposure for the compliance of MPE RF exposure rule. Please do not hesitate to contact me for any questions of this request letter. Thank you. Company name : Sporton International Inc. Company Address : No.8, Lane 724, Bo-ai St., Jhubei City, Hsinchu County 302, Taiwan, R.O.C. Signature : Name : Leo Huang Job Title : Manager

Page No. : 2 Wistron NeWeb Corporation 20 Park Avenue II, Hsinchu Science Park, Hsinchu 308,Taiwan,R.O.C. Tel: 886-3-666-7799 Fax: 886-3-666-7323 Power of Attorney Date: 2011/2/8 Dear Sir, I hereby have entrusted the following person to be a proxy regarding application for Type Certification. Sporton International Inc. Address : No.8, Lane 724, Bo-ai St., Jhubei City, HsinChu County 302, Taiwan, R.O.C. Name : Leo Huang Job Title : Manager e-mail : [email protected] I am therefore responsible for the contents of the application. Brand name and model type of the specified radio equipment: WNC / SWA2 FCC ID: NKR-SWA2 Product name: Wireless Audio Module FCC Grantee contact person information. Applicant’s company name : Wistron NeWeb Corporation Applicant’s company address : 20 Park Avenue II, Hsinchu Science Park, Hsinchu 308,Taiwan,R.O.C. Signature : _____________________________ Job Title and Dept. : Troy Chien / Senior Principal Engineer / System Engineering dept. E-Mail : [email protected] Tel. : 886-3-666-7799

SPORTON International Inc. PAGE NUMBER : A1 OF A5 TEL : 886-2-2696-2468 ISSUED DATE : Feb. 10, 2011 FAX : 886-2-2696-2255 APPENDIX A. Photographs of EUT SPORTON International Inc. PAGE NUMBER : A2 OF A5 TEL : 886-2-2696-2468 ISSUED DATE : Feb. 10, 2011 FAX : 886-2-2696-2255 SPORTON International Inc. PAGE NUMBER : A3 OF A5 TEL : 886-2-2696-2468 ISSUED DATE : Feb. 10, 2011 FAX : 886-2-2696-2255 SPORTON International Inc. PAGE NUMBER : A4 OF A5 TEL : 886-2-2696-2468 ISSUED DATE : Feb. 10, 2011 FAX : 886-2-2696-2255 SPORTON International Inc. PAGE NUMBER : A5 OF A5 TEL : 886-2-2696-2468 ISSUED DATE : Feb. 10, 2011 FAX : 886-2-2696-2255

SPORTON International Inc. PAGE NUMBER : A1 OF A2 TEL : 886-2-2696-2468 ISSUED DATE : Feb. 10, 2011 FAX : 886-2-2696-2255 APPENDIX A. Photographs of EUT SPORTON International Inc. PAGE NUMBER : A2 OF A2 TEL : 886-2-2696-2468 ISSUED DATE : Feb. 10, 2011 FAX : 886-2-2696-2255

Report No.: FR112128 FCC ID: NKR-SWA2 Page No. : C1 of C3 Appendix C. Maximum Permissible Exposure Report No.: FR112128 FCC ID: NKR-SWA2 Page No. : C2 of C3 1. Maximum Permissible Exposure 1.1. Applicable Standard Systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy levels in excess limit for maximum permissible exposure. In accordance with 47 CFR FCC Part 2 Subpart J, section 2.1091 this device has been defined as a mobile device whereby a distance of 0.2 m normally can be maintained between the user and the device. (A) Limits for Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm²) Averaging Time |E|²,|H|² or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842 / f 4.89 / f (900 / f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-100,000 5 6 (B) Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm²) Averaging Time |E|²,|H|² or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-100,000 1.0 30 Note: f = frequency in MHz ; *Plane-wave equivalent power density 1.2. MPE Calculation Method E (V/m) ＝ d GP××30 Power Density: Pd (W/m²) ＝ 377 2 E E ＝ Electric field (V/m) P ＝ Peak RF output power (W) G ＝ EUT Antenna numeric gain (numeric) d ＝ Separation distance between radiator and human body (m) The formula can be changed to Pd ＝ 2 377 30 d GP × ×× From the peak EUT RF output power, the minimum mobile separation distance, d=0.2m, as well as the gain of the used antenna, the RF power density can be obtained. Report No.: FR112128 FCC ID: NKR-SWA2 Page No. : C3 of C3 1.3. Calculated Result and Limit Antenna Type : Dipole Antenna Max Conducted Power : 26.02 dBm Antenna Gain (dBi) Antenna Gain (numeric) Peak Output Power (dBm) Peak Output Power ( mW ) Power Density (S) (mW/cm²) Limit of Power Density (S) (mW/cm²) Test Result 1.5 1.4125 26.0200 399.9447 0.112448 1 Complies

SPORTON International Inc. No. 52, Hwa Ya 1st Rd., Kwei-Shan Hsiang, TaoYuan Hsien, Taiwan, R.O.C. Ph: 886-3-327-3456 / FAX: 886-3-327-0973 / www.sporton.com.tw Report Format Version: 01 FCC RADIO TEST REPORT Applicant’s company Wistron NeWeb Corporation Applicant Address 20 Park Avenue II, Hsinchu Science Park, Hsinchu 308,Taiwan,R.O.C. FCC ID NKR-SWA2 Manufacturer’s company Wistron NeWeb Corporation Manufacturer Address 20 Park Avenue II, Hsinchu Science Park, Hsinchu 308,Taiwan,R.O.C. Product Name Wireless Audio Module Brand Name WNC Model Name SWA2 Test Rule 47 CFR FCC Part 15 Subpart C § 15.247 Test Freq. Range 2412 ~ 2462MHz Received Date Nov. 26, 2010 Final Test Date Jan. 29, 2011 Submission Type Original Equipment Statement Test result included in this report is for the IEEE 802.11 part of the product. The test result in this report refers exclusively to the presented test model / sample. Without written approval of SPORTON International Inc., the test report shall not be reproduced except in full. The measurements and test results shown in this test report were made in accordance with the procedures and found in compliance with the limit given in ANSI C63.4-2003 and 47 CFR FCC Part 15 Subpart C. The test equipment used to perform the test is calibrated and traceable to NML/ROC. Report No.: FR112128 Report Format Version: 01 Page No. : i of ii FCC ID: NKR-SWA2 Issued Date :Feb. 10, 2011 Table of Contents 1. CERTIFICATE OF COMPLIANCE ........................................................................................................................... 1 2. SUMMARY OF THE TEST RESULT ............................................................................................................................ 2 3. GENERAL INFORMATION ..................................................................................................................................... 3 3.1. Product Details ........................................................................................................................................................................................... 3 3.2. Accessories ................................................................................................................................................................................................. 4 3.3. Table for Filed Antenna ............................................................................................................................................................................. 4 3.4. Table for Carrier Frequencies ................................................................................................................................................................... 5 3.5. Table for Test Modes .................................................................................................................................................................................. 5 3.6. Table for Testing Locations........................................................................................................................................................................ 6 3.7. Table for Supporting Units ......................................................................................................................................................................... 7 3.8. Table for Parameters of Test Software Setting ....................................................................................................................................... 7 3.9. Test Configurations ..................................................................................................................................................................................... 8 4. TEST RESULT ......................................................................................................................................................... 12 4.1. AC Power Line Conducted Emissions Measurement ......................................................................................................................... 12 4.2. Maximum Peak Output Power Measurement ..................................................................................................................................... 16 4.3. Power Spectral Density Measurement .................................................................................................................................................. 18 4.4. 6dB Spectrum Bandwidth Measurement ............................................................................................................................................. 21 4.5. Radiated Emissions Measurement ......................................................................................................................................................... 24 4.6. Band Edge Emissions Measurement ...................................................................................................................................................... 38 4.7. Antenna Requirements ........................................................................................................................................................................... 41 5. LIST OF MEASURING EQUIPMENTS .................................................................................................................... 42 6. TEST LOCATION .................................................................................................................................................. 44 7. TAF CERTIFICATE OF ACCREDITATION .............................................................................................................. 45 APPENDIX A. PHOTOGRAPHS OF EUT .......................................................................................................... A1 ~ A7 APPENDIX B. TEST PHOTOS ............................................................................................................................…

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Report No.: FR112128 FCC ID: NKR-SWA2 Page No. : B1 of B8 Appendix B. Test Photos Report No.: FR112128 FCC ID: NKR-SWA2 Page No. : B2 of B8 1. Photographs of Conducted Emissions Test Configuration Test Mode: Mode 1 FRONT VIEW REAR VIEW Report No.: FR112128 FCC ID: NKR-SWA2 Page No. : B3 of B8 2. Photographs of Radiated Emissions Test Configuration 9kHz ~30MHz FRONT VIEW REAR VIEW Report No.: FR112128 FCC ID: NKR-SWA2 Page No. : B4 of B8 30MHz~1GHz Test Mode : Mode 1 FRONT VIEW REAR VIEW Report No.: FR112128 FCC ID: NKR-SWA2 Page No. : B5 of B8 Test Mode : Mode 2 FRONT VIEW REAR VIEW Report No.: FR112128 FCC ID: NKR-SWA2 Page No. : B6 of B8 Test Mode : Mode 3 FRONT VIEW REAR VIEW Report No.: FR112128 FCC ID: NKR-SWA2 Page No. : B7 of B8 Test Mode : Mode 4 FRONT VIEW REAR VIEW Report No.: FR112128 FCC ID: NKR-SWA2 Page No. : B8 of B8 Above 1GHz Test Mode: Mode 1 FRONT VIEW REAR VIEW