FCC ID: BEJ9QK-DMRS4 WIRELESS Adapter Card

222, LG-ro, Jinwi-myeon, Pyeongtaek-si, Gyeonggi-do 451-713 Korea RS4 Wireless Adapter Card User Guide Version 1.1 June., 2014 222, LG-ro, Jinwi-myeon, Pyeongtaek-si, Gyeonggi-do 451-713 Korea Revision History Release Date Revision 1.1 2014-06-06 First release. Initials 222, LG-ro, Jinwi-myeon, Pyeongtaek-si, Gyeonggi-do 451-713 Korea STATEMENT and Warning This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. FCC RF Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body. IC This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body. French:

Cet appareil radio est conforme au CNR-210 dIndustrie Canada. Lutilisation de ce dispositif est autorise seulement aux deux conditions suivantes : (1) il ne doit pas produire de brouillage, et (2) lutilisateur du dispositif doit tre prt accepter tout brouillage radiolectrique reu, mme si ce brouillage est susceptible de compromettre le fonctionnement du dispositif. Cet quipement est conforme aux limites dexposition aux rayonnements IC tablies pour un environnement non contrl. Cet quipement doit tre install et utilis avec un minimum de 20 cm de distance entre la source de rayonnement et votre corps. 222, LG-ro, Jinwi-myeon, Pyeongtaek-si, Gyeonggi-do 451-713 Korea This device is intended only for OEM integrators under the following conditions:

The antenna must be installed such that 20 cm is maintained between the antenna and users, and The transmitter module may not be co-located with any other transmitter or antenna. As long as 2 conditions above are met, further transmitter test will not be required. However, the OEM integrator is still responsible for testing their end-product for any additional compliance requirements required with this module installed IMPORTANT NOTE: In the event that these conditions can not be met (for example certain laptop configurations or co-location with another transmitter), then the FCC authorization is no longer considered valid and the FCC ID cannot be used on the final product. In these circumstances, the OEM integrator will be responsible for re-evaluating the end product

(including the transmitter) and obtaining a separate FCC authorization. End Product Labeling This transmitter module is authorized only for use in device where the antenna may be installed such that 20 cm may be maintained between the antenna and users. The final end product must be labeled in a visible area with the following: Contains FCC ID: BEJ9QK-DMRS4, contains IC: 2703H-DMRS4. The grantee's FCC ID can be used only when all FCC/ IC compliance requirements are met. Manual Information To the End User The OEM integrator has to be aware not to provide information to the end user regarding how to install or remove this RF module in the users manual of the end product which integrates this module. 222, LG-ro, Jinwi-myeon, Pyeongtaek-si, Gyeonggi-do 451-713 Korea CE Hereby declares that this WiFi module is in compliance with the essential requirements and other relevant provisions of R&TTE Directive 1999/5/EC. The standards for complying are as following:

ETSI EN 301 489-1 V1.9.2: 2011-09 ETSI EN 301 489-17 V2.2.1: 2012-09 ETSI EN 300 328 V1.8.1:2012-06 ETSI EN 301 893 V1.7.1: 2012-06 EN 62311: 2008 EN 60950-1:2006+A11:2009+A1:2010+A12:2011 This is a class B product. In a domestic environment, this product may cause radio interference, in which case the user may be required to take adequate measures. This is a class B product. In a domestic environment, this product may cause radio interference, in which case the user may be required to take adequate measures. National Restrictions This device is intended for home and office use in all EU countries (and other countries following the EU directive 1999/5/EC). CONTENTS Package Contents .................................................................................................... 7 Introduction........................................................................................... 8 Chapter 1 1.1 Overview of the Product ............................................................................................8 1.2 Features.....................................................................................................................8 Chapter 2 Linux Installation Guide (For Consumer Electronics) ....................... 9 2.1 Hardware Installation.................................................................................................9 2.2 Software Installation ..................................................................................................9 Appendix A: Specifications................................................................................... 11 Package Contents RS4 Wireless Adapter Card The following items should be found in your package:

RS4 Wireless Adapter Card Conventions:

The Module mentioned in this user guide stands for PW-MN5275 WLAN Adapter Card without any explanation. 7 RS4 Wireless Adapter Card Chapter 1 Introduction Thank you for choosing the RS4 Wireless Adapter Card!

1.1 Overview of the Product The Module is an OEM module (35x35mm) based on the IA3S4. It is a compressed wireless digital audio transceiver operating in the 2.4GHz bands. The wireless audio link supports 1 stereo audio stream and comes together with additional features such as: pairing functionality, seamless and bi-

direction transmission of high quality audio, I2S sampling frequency detection, support Sleep mode, Programmable end-to-end audio latency, Control Channel ability, support no audio detection, Robust packet error correction.

Note:

The RS4 is designed to be used inside consumer electronic products, such as TV, Blue-Ray, Home Theater, etc. I2S digital audio interfaces 1.2 Features

2.4GHz band

GFSK digital modulation

Support 1-1 duplex mode or 1-N broadcasting mode

Audio format 16bit, 32/44.1/48KHz sampling rate

Support no audio detection function

Robust packet error correction

Low power consumption

Low audio delay time < 20ms I2C control with external device 8 Chapter 2 Linux Installation Guide (For Consumer Electronics) RS4 Wireless Adapter Card 2.1 Hardware Installation For the Consumer Electronics products which use RS4, it must provide a corresponding connector for the module. After connecting the module to the device, the hardware installation is finished. 2.2 Software Installation For the Consumer Electronics products, the Linux Driver of RS4 is embedded in default. So the module is a plug and play device. After connecting the module to the device, RS4 will work well. 9 2.3 Pin Definitions RS4 Wireless Adapter Card 10 RS4 Wireless Adapter Card Appendix A: Specifications Normal Interface Radio Data Rate Modulation Frequency Operating Voltage Safety & Emissions FPC connector 2Mbps GFSK 2.400 ~ 2.4835GHz 3.0Vdc to 3.6Vdc, Normal is 3.3Vdc FCC/ IC, CE Environmental and Physical Operating Temp. Humidity Product Dimensions 0~55 10% ~ 90% RH, Non-condensing 35.0* 35.0 mm 11

LG Electronics Inc. Wireless Adapter Card FCC ID: BEJ9QK-DMRS4 IC: 2703H-DMRS4 FCC ID/IC Label Location

Label Placement Location FCC ID/IC Label Placement Location

FCC ID/IC Label Format

Authority to Act as Agent Date: 2014. 06. 13 American Certification Body, Inc. 6731 Whittier Avenue Suite C110 McLean, VA 22101 To Whom It May Concern:

_____AUDIX Technology Corporation______ is authorized to act on our behalf, until otherwise notified, for applications to American Certification Body, Inc. (ACB). We certify that we are not subject to denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Further, no party, as defined in 47 CFR 1.2002 (b), to the application is subject to denial of federal benefits, that includes FCC benefits. Thank you, Agency Agreement Expiration Date: _____2015. 06. 13 _____ By:

Title:

On behalf of: ___LG Electronics USA________ Telephone:

__________________________ __ Jacob Cho______

(Print name) _____1-201-266-2420___________ _______Manager______________

(Company Name)

(Signature)

Request for Confidentiality Date: 2014. 06. 13 Federal Communications Commission Authorization and Evaluation Division Subject: Confidentiality Request regarding Application for certification of FCC ID: BEJ9QK-DMRS4 Gentlemen:

Pursuant to Section 0.457 and 0.459 of the Commissions Rules, we hereby request confidential treatment of information accompanying this application as outlined below:

Functional Block Diagram

Operational Description (theory of operation)

Schematic Diagram The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, _______________________________________ Jacob Cho Manager LG Electronics USA

Date: 2014/6/13 Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 AUDIX Technology Corporation. 2014. 06. 13 Dear Application Examiner, Modular Approval Request Letter The Wireless Adapter Card, modem name is RS4, FCC ID: BEJ9QK-DMRS4

, would like to have your authorization as a modular approval specific to the mobile device such as digital device emissions, The requirements of Public Notice DA00-1407 have been met and shown on the following statements. 1. The modular transmitter must have its own RF shielding.:

Yes, the radio portion of this module has been shielded, please see exhibition External Photo. 2. The modular transmitter must have buffered modulation/data inputs. Yes, he flash is invisible for embedding in chip. 3. The modular transmitter must have its own power supply regulation. Yes, the EUT has its own power supply regulation. 4. The modular transmitter must comply with the antenna requirements of section 15.203 and 15.204(C). antenna and intergrated. Yes, the EUT meets the FCC antenna requirements. The spurious emission, the antenna is PCB 5. The modular transmitter must be tested in a stand-alone configuration Yes, the EUT was tested in a stand-alone configuration via an USB cable. Please see section Photographs of Test Configuration in the test report. 6. The modular transmitter must be labeled with its own FCC ID number. Yes, this module has been 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. 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. Yes, 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. Yes, the EUT is compliant with all applicable RF exposure requirements. RF Exposure is addressed in the RF exposure exhibition. Sincerely Yours, Mr. Ben Cheng Manager AUDIX Technology Corporation ____________________________________