BEJ9QK-R2Wireless Audio Transceiver Module

LG Electronics USA, Inc.

Application Details

Equipment Class: DTS - Digital Transmission System
Date of Grant: Jan 03, 2012
Application Purpose: Original Equipment
Date of Application: Jan 03, 2012
Equipment Note: Wireless Audio Transceiver Module
Frequency Range: 5736.00000000 - 5814.00000000
Company: LG Electronics USA, Inc.
Country: United States

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Users Manual

tGuGaGyYG wGk . The Module is an OEM module (35x35mm) based on the SMSC DARR83. It is an uncompressed wireless digital audio transceiver operating in the 2.4GHz, 5.2GHz and 5.8GHz bands. The wireless audio link supports up to 4 stereo audio streams and comes together with additional features such as: data encryption, pairing functionality, bi- directional control data messages, low power audio snooze mode, WLAN detection and Automatic Frequency Allocation. The DARR83 chip itself provides the basic functions of Audio Processing and buffering, Data Link Layer and Physical Layer. The module integrates all functionality for a wireless digital audio connection, comprising: DARR83 Wireless Audio Processor 2.4GHz/ 5.2GHz/ 5.8 GHz RF Transceiver Embedded Antennas Digital audio interfaces (I 2 S and/or S/PDIF) I 2 C control interface 26 pins interface connector (FFC) for power, digital audio and control interface and GPIOs Built-in 1MB SPI interface Flash 3V 4KB uniform sector RFm Gi. 2.4GHz: 2412 – 2464MHz 5.2GHz: 5180 – 5240MHz 5.8GHz: 5736 – 5814MHz. RFw. For 2.4GHz application (VCC=3.3V, 25°C) wt { U t | RF Frequency Range 2400 2483.5 MHz Number of RF -j Carries in the spectrum 3 Transmission Power 16 dBm m G O GGG P Ch1 2412 MHz Ch2 2438 Ch3 2464 jGSpacing 26 MHz RFi Null-to-null 22 MHz Rxz -83 dBm hGDiversity Tx/Rx ON For 5.2GHz application (VCC=3.3V, 25°C) wt { U t | RF Frequency Range 5150 5250 MHz Number of RF -j Carries in the spectrum 3 Transmission Power Depending on antenna design 8 dBm m G O GG GP Ch1 5180 MHz Ch2 5210 Ch3 5240 jGSpacing 30 MHz RFi Null-to-null 22 MHz Rxz -81 dBm h Diversity Tx/Rx ON For 5.8GHz application (VCC=3.3V, 25°C) wt { U t | RF Frequency Range 5725 5875 MHz Number of RF -j Carries in the spectrum 3 Transmission Power Depending on antenna design 16 dBm m G O GG GP Ch1 5736 MHz Ch2 5762 Ch3 5814 jGSpacing 26 MHz RFi Null-to-null 22 MHz Rxz -81 dBm h Diversity Tx/Rx ON hG. h : 24Bit. kGtGz¡ : 32Bytes CRC : 16, 24 and 32Bit wv~ly -Supply Voltage : 3.1V(Min), 3.3V(Typ), 3.5V(Max) -Peak to Peak Ripple : 100mV(Max). -Operating Temperature : -10C(Min), 25C(Typ), 60C(Max) Evaluation Board Usage {Gn|pGGGGGGGGGGU Step 1: Double-click on the GUI Icon or shortcut to run the program. Step 2:yGGGG U jGp pGhGGGOGGGGP. Step 3: Make sure the evaluation boards is turned on.. Step 4: Connect the USB cable between your notebook/PC and the evaluation board. If USB drivers are required to be installed, use the one provided in the GUI package. . Step 5: Setup your Com Port in Com Port Settings. Connect the USB one by one and select each unique USB port setting for each evaluation board. 1) Click the [Refresh] button. 2) Select the EVK ID, for example “A3UNG243”, to access the 4ch EVK connected to the R2 3) Click the [Apply] button. 4) (Optional) If the “A3UNG243”option cannot be selected from the drop down menu, click the [Disconnect] button before repeating steps 1 ~ 3. 2 134 Once the connection is successful, you should see READY in Module Status. . If you see NOT FOUND, please check that the USB cable is properly connected/loose or 5V DC Power is plugged in. Step 6: At the top-left corner of the GUI, click Help and click About. The current firmware version is shown as Evaluation Kit Version X.X.X. The current GUI version is shown as Configuration Software GUI Version X.X.X. Step 7: Setup your choice of application in the Application Selection (Power-up Settings) mGGGGGGGGSG GGGGGGGG GGGlGGOl}rPU zGGGOGGG GGzGGP Press this button whenever there are any changes in this section to update the module settings Select the Frequency band (2.4GHz or 5.2GHz or 5.8GHz) to operate after Configuration Select CU or MU mode Step 8: Click [Config] button (upon every change) to configure the evaluation board. 26Pin Interface wpuGJGwpuGuhtlGpuVv|{Gklzjypw{pvuG XG}kkGwG pGwaGZUZ}UG YGnukGn nukG ZGtjsrGpGY[U\]to¡GtGjGG [Gi|slslkGpVvG nwpvXZG \GylkslkGpVvG nwpvYZG ]Gzkpv~GOmylxihukPG pVvG nwpv\G ^GzkpvGOkh{hXPGpVvG nwpvXXG _GzkpvGOkh{hYPGpVvG nwpv]G `GzkpvGO|wspurGkh{hPG pVvG nwpvXYG XWG pYjzjszs}GTGpYjGzsh}lGOzjsPG XXG pYjzkhzs}GTGpYjGzsh}lGOzkhPG XYG zwpkpGTGzwpGkh{hGpuG XZG zwpkvGTGzwpGkh{hGv|{G X[G zwpjsrGTGzwpGjsvjrG X\G zwpjzGTGzwptvklG X]G zwp~wGpVvG nwpvXG X^G ylzl{GTGylzl{G X_G wzluzlGpVvG nwpvYG X`G wj{sGpVvG nwpv^G YWG w~tyz{GpVvG nwpv[G YXG htwwkuGpVvG nwpvZG YYG htwzkGpVvG nwpvX[G YZG ~pylslzzGylhkGpVvG nwpvX\G Y[G ijrGOyvslGXPGpVvG nwpv_G Y\G nukGn nukG Y]G syjrGOyvslGWPGpVvG nwpvXWG Approval Statements Hereby, LG Electronics Inc. declares that this device is in compliance with the essential requirements and other relevant provisions of directive 1999/5/EC. This device complies with Part 15 of the FCC`s 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 undesirable operation. To satisfy FCC exterior labeling requirements, the following text must be placed on the exterior of the end product. Contains Transmitter module FCC ID: BEJ9QK-R2 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…

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Cover Letter(s)

19-1, Cheongho-ri, Jinwi-myeon, Pyeongtaek-si, Gyeonggi-do, 451-713, Korea Declaration To Whom It May Concern: We LG ELECTRONICS INC. 19-1, Cheongho-ri Jinwi-myeon, Pyeongteak-si, Gyeonggi-do 451-713, Korea Contact: Mr. Yong-Duk Kwon Tel: +82-31-610-6648 Mail: [email protected] Hereby declare the following product: Model Name: Wireless Audio Transceiver Module Model No. R2 Used frequency 2412 ~ 2464 MHz (3 channels) 5180 ~ 5240 MHz (3 channels) 5736 ~ 5814 MHz (3 channels) This model T2 operates only in 3 channels each band. Channel Frequency 2412 ~ 2464 MHz 5180 ~ 5240 MHz 5736 ~ 5814 MHz CH 1 2412 MHz 5180 MHz 5736 MHz CH 2 2438 MHz 5210 MHz 5762 MHz CH 3 2464 MHz 5240 MHz 5814 MHz 28 December 2011 ______________________ Mr. Yong-Duk Kwon LG ELECTRONICS INC.

Cover Letter(s)

LG Electronics USA. 1000 Sylvan Avenue Englewood Cliffs, New Jersey, United States Date: December 16, 2011 Compliance Certification Services Certification Division 47173 Benicia Street Fremont, CA 94538, USA To whom it may concern: I, the undersigned, hereby authorize Ms. Claire Hoque/Application Examiner of Compliance Engineering Services, Inc., d.b.a. Compliance Certification Services and hereafter referred to as CCS, to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by Ms. Claire Hoque of CCS on our behalf shall have the same effect as acts of our own. In authorizing CCS as our agent, we still recognize that we are responsible to: a) comply with the relevant provisions of the certification program; b) make all necessary arrangements for the conduct of the evaluation, including provision for examining documentation and access to all areas, records (including internal audit reports) and personnel for the purposes of evaluation (e.g. testing, inspection, assessment, surveillance, reassessment) and resolution of complaints; c) make claims regarding certification only in respect of the scope for which certification has been granted; d) do not use our product certification in such a manner as to bring the Certification Division into disrepute and not make any statement regarding our product certification which the Certification Division may consider misleading or unauthorized; e) upon suspension or cancellation of certification, discontinue use of all advertising matter that contains any reference thereto and return any certification documents as required by the Certification Division; f) use certification only to indicate the products are certified as being in conformity with specified standards;

Cover Letter(s)

LG Electronics USA. 1000 Sylvan Avenue Englewood Cliffs, New Jersey, United States Date: December 16, 2011 Compliance Certification Services Certification Division 47173 Benicia Street Fremont, CA 94538, USA LETTER OF AUTHORIZATION We, the undersigned, hereby authorize Harvey Sung of Digital EMC Co., Ltd. to act on our behalf in all manners relating to application for equipment authorization for FCC ID: BEJ9QK-R2 including signing of all documents relating to these matters. Any and all acts carried out by Harvey Sung of Digital EMC Co., Ltd. on our behalf shall have the same affect as acts of our own. This authorization is valid until further written notice from LG Electronics USA. Sincerely, Christopher Johnson Sr. Manager, Standards & Compliance

Cover Letter(s)

LG Electronics USA. 1000 Sylvan Avenue Englewood Cliffs, New Jersey, United States Compliance Certification Services Certification Division 47173 Benicia Street Fremont, CA 94538, USA December 22, 2011 Modular Approval Attestation for Bluetooth Transceiver Module. Applicant: LG Electronics USA. FCC ID: BEJ9QK-R2 No. FCC requirements 1 Have its own RF shielding RF Block shielded by Metal Case 2 Have buffered modulation/data inputs (if such inputs are provided), Yes, the module has buffered data input. 3 The modular transmitter must have its own power supply regulation. We used self own power supply regulation. 4 Meet the antenna requirements of section 15.203 The antenna is PIFA pattern. This module meets the antenna requirements of section 15.203 5 Be tested in a stand-alone configuration, i.e., the antenna, AC or DC power and data input/output lines must be connected to the module but, the module must not be inside another case during testing Yes, the EUT (module) was tested a stand alone configuration. 6 Be labeled with its own FCC ID number, and if the FCC ID is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. The proposed FCC ID label format is to be placed on the module. If FCC ID label is not visible when module is install into the system, “Contains FCC ID: BEJ9QK-R2” shall be placed on the outside of final product. 7 The modular transmitter is manufactured so that the user can not influence the operation of the transmitter that will operate outside of the scope of the regulations. It complies with specific rules or operating requirements. And instruction is included User manual. 8 Address compliance with the Commission`s RF exposure limits in Sections 1.1310 and 2.1093. In addition, spread spectrum transmitters operation under Section 15.247 are required to address RF exposure compliance in accordance with Section 15.247(b)(4) The exposure condition of this module is compliant with the requirements. Please refer to MPE calculation. Sincerely, Yong-duk, Kwon Senior Research Engineer

Cover Letter(s)

LG Electronics USA. 1000 Sylvan Avenue Englewood Cliffs, New Jersey, United States Date: December 16, 2011 Compliance Certification Services Certification Division 47173 Benicia Street Fremont, CA 94538, USA RE: Request of Confidentiality for FCCID: BEJ9QK-R2 To Whom It may Concern: Pursuant to Sections 0.457 and 0.459 of the Commission`s Rules(CFR 47), and Section 552 (b) (4) of the Freedom of Information Act, LG Electronics USA. 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 days after the grant as outlined in Public Notice DA 04-1705. This provision will give LG Electronics USA. temporary confidentiality of commercially sensitive information prior to product release. The requested permanent and Short-Term Confidential exhibits are listed as follows: PERMANENT & SHORT-TERM CONFIDENTIAL LIST Exhibit Description File name PERMANENT 1 Block Diagram Block Diagram_BEJ9QK-R2.pdf 2 Schematics Schematic_BEJ9QK-R2.pdf 3 Part Lists Part List_BEJ9QK-R2.pdf SHORT-TERM 4 External Photos Ext Photo_BEJ9QK-R2.pdf 5 Internal Photos Int Photo_BEJ9QK-R2.pdf 6 Test-Setup Photos Test Photo_BEJ9QK-R2.pdf 7 Users Manual User Manual_BEJ9QK-R2.pdf 8 Operational Description Operational Description_BEJ9QK-R2.pdf Note: The pictures on the label location do not require any long term or short term confidentiality. The Applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentations, where applicable, will not be public before the date of the Grant for this application. Sincerely, Christopher Johnson Sr. Manager, Standards & Compliance

External Photos

ID Label/Location Info

FCC ID: BEJ9QK-R2 Copyright Ⓒ 2011, Digital EMC Co., Ltd. FCC ID SAMPLE LABEL & LOCATION LABELLING REQUIREMENTS PER §2.925 The Label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time of purchase Top side(shield Can) - The FCC label shown is representative of the label that will appear on the radio when in production. Other information may also be included on this label.

Internal Photos

FCCID: BEJ9QK-R2 Copyright Ⓒ 2011, Digital EMC Co., Ltd. Page1 / 3 View 1 FCCID: BEJ9QK-R2 Copyright Ⓒ 2011, Digital EMC Co., Ltd. Page2 / 3 View 2 FCCID: BEJ9QK-R2 Copyright Ⓒ 2011, Digital EMC Co., Ltd. Page3 / 3 View 3

Operational Description

Application Report Amotech / Antenna Gr. Customized Confidential Customer NAMUGA Model Home theater WiFI Module Application BT & WiFi Antenna type Pattern Report No. 1 st -1 Date 2011. 10. 18 Written by : 손창균 Contact :[email protected] Advanced Material On Technology 2 1. Summary of the antenna test 1) Test Condition 2) Radiation Gain Table Test No Antenna Type Condition #1-1 PIFA Set Matching(series=default) #1-2 PIFA Set Matching(series=default) #1-3 PIFA Set Matching(series=default) #1-4 PIFA Set Matching(series=default) Test No Freq (GHz) Efficiency (%) Avg. Gain (dBi) Peak Gain (dBi) #1-1 2400 MHz 42.9% -3.7 dBi 0.2 dBi 2442 MHz 56.0% -2.5 dBi 1.3 dBi 2485 Mhz 65.4% -1.8 dBi 2.5 dBi 5150MHz 29.7% -5.3 dBi 0.0 dBi 5250MHz 20.3% -6.9 dBI -1.5 dBi 5350MHz 15.8% -8.0 dBi -2.4 dBi 5500MHz 24.2% -6.2 dBi -0.7 dBi 5600MHz 43.5% -3.6 dBi 2.1 dBi 5725MHz 69.9% -1.6 dBi 4.1 dBi 5775MHz 75.7% -1.2 dBi 4.6 dBi 5825MHz 81.0% -0.9 dBi 4.9 dBi Advanced Material On Technology 3 Test No Freq (GHz) Efficiency (%) Avg. Gain (dBi) Peak Gain (dBi) #1-2 2400 MHz 42.2 % -3.7 dBi 0.0 dBi 2442 MHz 59.9 % -2.2 dBi 1.6 dBi 2485 Mhz 72.8 % -1.4 dBi 2.6 dBi 5150MHz 41.8 % -3.8 dBi 1.8 dBi 5250MHz 29.0 % -5.4 dBi 0.7 dBi 5350MHz 20.8 % -6.8 dBi -1.0 dBi 5500MHz 20.5 % -6.9 dBi -0.6 dBi 5600MHz 30.4 % -5.2 dBi 0.7 dBi 5725MHz 55.9 % -2.5 dBi 3.8 dBi 5775MHz 62.4 % -2.1 dBi 4.4 dBi 5825MHz 72.6 % -1.4 dBi 5.1 dBi #1-3 2400 MHz 55.5 % -2.6 dBi 2.4 dBi 2442 MHz 58.8 % -2.3 dBi 2.6 dBi 2485 Mhz 61.8 % -2.1 dBi 2.8 dBi 5150MHz 50.0 % -3.0 dBi 2.1 dBi 5250MHz 70.8 % -1.5 dBi 3.3 dBi 5350MHz 73.4 % -1.4 dBi 3.8 dBi 5500MHz 89.6 % -0.5 dBi 4.0 dBi 5600MHz 92.5 % -0.3dBi 4.1 dBi 5725MHz 88.7 % -0.5 dBi 3.3 dBi 5775MHz 107.0 % -0.6 dBi 3.1 dBi 5825MHz 99.7 % -1.4 dBi 4.1 dBi Advanced Material On Technology 4 3) Remark Test No Freq (GHz) Efficiency (%) Avg. Gain (dBi) Peak Gain (dBi) #1-4 2400 MHz 48.2 % -3.2 dBi 1.8 dBi 2442 MHz 49.3 % -3.1 dBi 0.8 dBi 2485 Mhz 55.4 % -2.6 dBi 1.5 dBi 5150MHz 76.3 % -1.2 dBi 3.8 dBi 5250MHz 92.0 % -0.4 dBi 4.0 dBi 5350MHz 89.6 % -0.5 dBi 4.0 dBi 5500MHz 100.1 % 0.0 dBi 4.2 dBi 5600MHz 108.0 % 0.3 dBi 4.4 dBi 5725MHz 107.0 % 0.3 dBi 4.2 dBi 5775MHz 110.4 % 0.4 dBi 4.5 dBi 5825MHz 130.5 % 1.2 dBi 5.4 dBi A -> #1-1 B -> #1-2 A -> #1-3 B -> #1-4 Advanced Material On Technology 5 Test No. 2. TEST 1) 안테나 Layout 및 S-Parameter #1-1 #1-1 default Series Advanced Material On Technology 6 2. TEST 2) Radiation Gain #1-1 ※ Anechoic Chamber : 2.8*1.6*1.8 m 3 - X y z θ φ Test No Freq (GHz) Efficiency (%) Avg. Gain (dBi) Peak Gain (dBi) #1-1 2400 MHz 42.9% -3.7 dBi 0.2 dBi 2442 MHz 56.0% -2.5 dBi 1.3 dBi 2485 Mhz 65.4% -1.8 dBi 2.5 dBi 5150MHz 29.7% -5.3 dBi 0.0 dBi 5250MHz 20.3% -6.9 dBI -1.5 dBi 5350MHz 15.8% -8.0 dBi -2.4 dBi 5500MHz 24.2% -6.2 dBi -0.7 dBi 5600MHz 43.5% -3.6 dBi 2.1 dBi 5725MHz 69.9% -1.6 dBi 4.1 dBi 5775MHz 75.7% -1.2 dBi 4.6 dBi 5825MHz 81.0% -0.9 dBi 4.9 dBi Advanced Material On Technology 7 Test No. 2. TEST 1) 안테나 Layout 및 S-Parameter #1-2 #1-2 default Series Advanced Material On Technology 8 2. TEST 2) Radiation Gain #1-2 ※ Anechoic Chamber : 2.8*1.6*1.8 m 3 - X y z θ φ Test No Freq (GHz) Efficiency (%) Avg. Gain (dBi) Peak Gain (dBi) #1-2 2400 MHz 42.2 % -3.7 dBi 0.0 dBi 2442 MHz 59.9 % -2.2 dBi 1.6 dBi 2485 Mhz 72.8 % -1.4 dBi 2.6 dBi 5150MHz 41.8 % -3.8 dBi 1.8 dBi 5250MHz 29.0 % -5.4 dBi 0.7 dBi 5350MHz 20.8 % -6.8 dBi -1.0 dBi 5500MHz 20.5 % -6.9 dBi -0.6 dBi 5600MHz 30.4 % -5.2 dBi 0.7 dBi 5725MHz 55.9 % -2.5 dBi 3.8 dBi 5775MHz 62.4 % -2.1 dBi 4.4 dBi 5825MHz 72.6 % -1.4 dBi 5.1 dBi Advanced Material On Technology 9 Test No. 2. TEST 1) 안테나 Layout 및 S-Parameter #1-3 #1-3 default Series Advanced Material On Technology 10 2. TEST 2) Radiation Gain #1-3 ※ Anechoic Chamber : 2.8*1.6*1.8 m 3 - X y z θ φ Test No Freq (GHz) Efficiency (%) Avg. Gain (dBi) Peak Gain (dBi) #1-3 2400 MHz 55.5 % -2.6 dBi 2.4 dBi 2442 MHz 58.8 % -2.3 dBi 2.6 dBi 2485 Mhz 61.8 % -2.1 dBi 2.8 dBi 5150MHz 50.0 % -3.0 dBi 2.1 dBi 5250MHz 70.8 % -1.5 dBi 3.3 dBi 5350MHz 73.4 % -1.4 dBi 3.8 dBi 5500MHz 89.6 % -0.5 dBi 4.0 dBi 5600MHz 92.5 % -0.3dBi 4.1 dBi 5725MHz 88.7 % -0.5 dBi 3.3 dBi 5775MHz 107.0 % -0.6 dBi 3.1 dBi 5825MHz 99.7 % -1.4 dBi 4.1 dBi Advanced Material On Technology 11 Test No. 2. TEST 1) 안테나 Layout 및 S-Parameter #1-4 #1-4 default Series Advanced Material On Technology 12 2. TEST 2) Radiation Gain #1-4 ※ Anechoic Chamber : 2.8*1.6*1.8 m 3 - X y z θ φ Test No Freq (GHz) Efficiency (%) Avg. Gain (dBi) Peak Gain (dBi) #1-4 2400 MHz 48.2 % -3.2 dBi 1.8 dBi 2442 MHz 49.3 % -3.1 dBi 0.8 dBi 2485 Mhz 55.4 % -2.6 dBi 1.5 dBi 5150MHz 76.3 % -1.2 dBi 3.8 dBi 5250MHz 92.0 % -0.4 dBi 4.0 dBi 5350MHz 89.6 % -0.5 dBi 4.0 dBi 5500MHz 100.1 % 0.0 dBi 4.2 dBi 5600MHz 108.0 % 0.3 dBi 4.4 dBi 5725MHz 107.0 % 0.3 dBi 4.2 dBi 5775MHz 110.4 % 0.4 dBi 4.5 dBi 5825MHz 130.5 % 1.2 dBi 5.4 dBi

Operational Description

1 NAM-WD3L (DWAM83) Digital Wireless Audio Transceiver Module Preliminary Technical Product Specification (Subject to change) 2 Revision History Revision. Author Date Detail. 0.0 SM/ET 27/1/2011 Preliminary 3 Index 1. MODULE 1.1 Product Description 1.2 Basic Features 1.2.1 High Quality audio 1.2.2 Networking and Connectivity 1.2.3 Coexistence and Robustness 1.2.4 Power Management 1.2.5 Integrated 8052 MCU 1.2.6 Digital Audio Clock Synchronization 1.2.7 Sample Rate Converter (SRC) + Sample Rate Detector 2. MODULE SPECIFICATIONS 2.1 Absolute Maximum Rating 2.2 Recommended Operating Conditions 2.3 DC Characteristics 2.4 Module Block Diagram 2.5 Power Consumption 2.6 RF Performance 2.7 Pin out of 26pin FFC Interface Connector 2.8 Antennas 3. HARDWARE DEVELOPMENT 3.1 Module Placement 3.1.1 Potential Antenna Issues 3.2 General Power Supply Decoupling 3.3 Digital IO filtering 3.3.1 MCLK filtering 3.3.2 I 2 S Bus 3.4 Transceiver Dimension 3.5 Module Picture 4 1. Module 1.1. Product Description The Module is an OEM module (35x35mm) based on the SMSC DARR83. It is an uncompressed wireless digital audio transceiver operating in the 2.4GHz, 5.2GHz and 5.8GHz bands. The wireless audio link supports up to 4 stereo audio streams and comes together with additional features such as: data encryption, pairing functionality, bi-directional control data messages, low power audio snooze mode, WLAN detection and Automatic Frequency Allocation. The DARR83 chip itself provides the basic functions of Audio Processing and buffering, Data Link Layer and Physical Layer. The module integrates all functionality for a wireless digital audio connection, comprising: DARR83 Wireless Audio Processor 2.4GHz/ 5.2GHz/ 5.8 GHz RF Transceiver Embedded Antennas Digital audio interfaces (I 2 S and/or S/PDIF) I 2 C control interface 26 pins interface connector (FFC) for power, digital audio and control interface and GPIOs Using a digital modulation 5 1.2. Basic Features 1.2.1. High Quality Audio • Up to four stereo audio channels, fully bidirectional, up to 24-bit/96 ksps uncompressed audio • Low latency <20ms for real-time audio and lip sync • Low latency compression algorithm - optimized for voice applications, headphones • Inter-speaker synchronization; Low-jitter audio clock sync • Programmable digital audio gain 1.2.2. Networking and Connectivity • 22Mbps Bandwidth in 2.4GHz, 5.2GHz and 5.8 GHz Bands • In-room or multi-room network topology • Point-to-Point and Point-to-Multipoint • Bidirectional data channel (100 kbps) • Simple Pairing and Association Function • 4 I 2 S Data pins, each provided with their own pair of BCK/LRCK signals or stereo S/PDIF input/output • Master and Slave I2C bus for external control functions 1.2.3. Coexistence and Robustness • Enhanced robustness against both in- and out of band interferers like: WiFi and cordless phones • Coexistence with 802.11a, b, g and n • Automatic receiver antenna diversity minimizes fading and multi-path effects • Link quality monitoring • Soft audio muting under poor link circumstances 1.2.4. Power Management • Low power consumption • Automatic RF output power control • Power Down Duty Cycle mode: If no link is established, modules (both TX and RX) will enter a power down mode 1.2.5. Integrated 8052 MCU The DARR83 integrates an 8052 MCU. This includes the following features: • 45 kByte Code RAM • 8 kByte Data RAM • 4 Timer/Counters • UART 1.2.6. Digital Audio Clock Synchronization The digital audio clock synchronization is an additional more cost effective method for synchronization of audio samples on the receiving side with respect to the transmitted audio samples. The digital clock synchronization feature works for output audio sample rates of 96 and 48 ksps. 1.2.7. Sample Rate Converter (SRC) + Sample Rate Detector The SRC can handle the following input sample rates [ksps]: • 44.1 • 48 • 96 • 192 (using I 2 S in slave mode) 6 2. Module Specifications System Specifications ID Parameter Value Unit Remarks RF Characteristics RF frequency range 2400 – 2483.5 5150 - 5250 5725 - 5875 MHz MHz MHz Number of RF channels 3 In each Frequency band. Air framing Addressing 24 Bit Data message size 32 Byte Application dependent CRC 16, 24 and 32 Bit Hybrid Control Control interface I 2 C Compliant with the I 2 C protocol (slave), 0...400kbps. Base address 0x80. Data Data Bandwidth 100 Kbps Bi-directional wireless data channel Data latency 5 ms Minimum under good RF link conditions for applications that support the 100kbps data rate. Interference Robustness Fixed frequency devices (e.g. WLAN, microwave oven) Fully coexistent 1 Frequency hopping devices (e.g. 5.8GHz cordless phones) Fully coexistent 1 1 Laboratory tests have verified coexistence with interference sources collocated. Exact ranges are scenario dependent (function of latency, output power, audio compression, etc.). A mix of interference sources is allowed. Interference of fixed frequency devices may result in the loss of one useable RF channel. 7 Audio Interface Available Interface Types I 2 S S/PDIF Can be used simultaneously Incl. S/PDIF detection. Number of stereo audio output channels on Mobile Unit 1, 2, 3 or 4 Bidirectional, incl. audio loop Number of stereo audio input channels on Central Unit 1, 2, 3 or 4 Bidirectional, incl. audio loop Audio Quality Sample rate 44.1, 48 or 96 ksps Sample width 16 or 24 bit Latency 20 ms Configurable from 10 to 23.6ms, depending on the application. Dynamic Range 98 146 dB dB 16 bit 48ksps, A-weighted 24 bit 48ksps, A-weighted THD+N -96 -143 dB dB 16 bit 48ksps 24 bit 48ksps Frequency response 0 dB 20Hz...22kHz 2 Dimensions Module dimensions 35 x 35 x 4.3 mm 2 In applications where Digital Clock Sync is not used. 8 2.1. Absolute Maximum Rating Symbol Parameter Min.Typ Max Unit VCC Supply Voltage 3.8 V Tstorage Storage Temperature -25 85 °C VESD ESD Contact Discharge -3 +3 kV 2.2. Recommended Operating Conditions Symbol Parameter Min. Typ Max Unit VCC Supply Volt…

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RF Exposure Info

-~ - (( - The MPE calculation for this exposure is shown below. The peak radiated output power (EIRP) is calculated as follows: ▪=+- =+ = ▪=+- =+ = - ▪S=- =X = 33.73mW ) 16.08dBmG = Power gain of the antenna(dBi) Maximum EIRP - Chain A - Chain B Note 15.28dBm0.80dBiP = Power input to the antenna(dBm) Chain B =15.28dBm& Chain A =& Chain B =0.80dBi 38.82 - FCCID: BEJ9QK-R2 MPE Calculations(P15.247 2.4GHz Band) Frequency range :2412MHz2462MHz Maximum RF output power :15.89dBm Maximum antenna peak gain :2.60dBi Chain A = mW ) The EUT will only be used with a separation of 20 centimeters or greater between the antenna and the body of the user. EIRPPGNote 15.89dBm2.60dBiP = Power input to the antenna(dBm) 18.49dBmG = Power gain of the antenna(dBi) Power density at the specific separation P G / ( 4 R 2 π ) Note EIRPPG 38.82 1.82 / ( 4 X 20 2 X π )S = Maximum power dencity(mW/cm 2 ) 0.01405 mW/cm 2 P = Power input to the antenna(mW) The power desity at 20cm does not exceed the 1.0mW/cm 2 . G = Numeric power gain of the antenna R = Distance to the center of the radiation of the antenna(20cm) Conclusion : The exposure condition of this device is compliant with FCC rules. The maximum permissible exposure(MPE) of the general population/Uncontrolled for this device is 1.0 mW/cm 2 . TRF-RF-206(00)100216 -~ - (( - The MPE calculation for this exposure is shown below. The peak radiated output power (EIRP) is calculated as follows: ▪=+- =+ = ▪=+- =+ = - ▪S=- =X = The power desity at 20cm does not exceed the 1.0mW/cm 2 . G = Numeric power gain of the antenna R = Distance to the center of the radiation of the antenna(20cm) Conclusion : The exposure condition of this device is compliant with FCC rules. The maximum permissible exposure(MPE) of the general population/Uncontrolled for this device is 1.0 mW/cm 2 . 5.81 2.51 / ( 4 X 20 2 X π )S = Maximum power dencity(mW/cm 2 ) 0.00290 mW/cm 2 P = Power input to the antenna(mW) 11.64dBmMaximumG = Power gain of the antenna(dBi) Power density at the specific separation P G / ( 4 R 2 π ) Note 7.64dBm4.00dBiP = Power input to the antenna(dBm) 11.21dBmG = Power gain of the antenna(dBi) - Chain B EIRPPGNote 7.91dBm3.30dBiP = Power input to the antenna(dBm) 4.00dBi The EUT will only be used with a separation of 20 centimeters or greater between the antenna and the body of the user. - Chain A EIRPPGNote Maximum antenna peak gain : Chain A =3.30dBi & Chain B = 7.64dBm 6.18mW )5.81mW ) Maximum RF output power :Chain A =7.91dBm & Chain B = - FCCID: BEJ9QK-R2 MPE Calculations(P15.407 5GHz Band) Frequency range :5180MHz5240MHz TRF-RF-206(00)100216 -~ - (( - The MPE calculation for this exposure is shown below. The peak radiated output power (EIRP) is calculated as follows: ▪=+- =+ = ▪=+- =+ = - ▪S=- =X = The power desity at 20cm does not exceed the 1.0mW/cm 2 . G = Numeric power gain of the antenna R = Distance to the center of the radiation of the antenna(20cm) Conclusion : The exposure condition of this device is compliant with FCC rules. The maximum permissible exposure(MPE) of the general population/Uncontrolled for this device is 1.0 mW/cm 2 . 33.27 2.82 / ( 4 X 20 2 X π )S = Maximum power dencity(mW/cm 2 ) 0.01865 mW/cm 2 P = Power input to the antenna(mW) 19.72dBmMaximumG = Power gain of the antenna(dBi) Power density at the specific separation P G / ( 4 R 2 π ) Note EIRPPGNote 15.22dBm4.50dBiP = Power input to the antenna(dBm) P = Power input to the antenna(dBm) 19dBmG = Power gain of the antenna(dBi) - Chain B Maximum antenna peak gain : Chain A = 15.90dBm3.10dBi The EUT will only be used with a separation of 20 centimeters or greater between the antenna and the body of the user. - Chain A EIRPPGNote dBm 38.90mW )33.27mW ) 4.50dBi Chain A =15.9dBm & Chain B = 3.10dBi & Chain B = 15.22 - FCCID: BEJ9QK-R2 MPE Calculations(P15.247 5GHz Band) Frequency range :5736MHz5814MHz Maximum RF output power : TRF-RF-206(00)100216

Test Report

1110-01404 DRTFCC1112-0493 TRF-RF-201(02)100714 Page 2 / 41 Copyright ○ C 2011, Digital EMC Co., Ltd. CONTENTS 1. Equipment information .............................................................. 3 1.1 Equipment description ............................................................. 3 1.2 Ancillary equipment ................................................................. 3 2. Information about test items ..................................................... 4 2.1 Test case & Frequency Information ......................................... 4 2.2 Antenna configuration .............................................................. 4 2.3 Auxiliary equipment ................................................................. 4 2.4 Tested environment ................................................................. 4 2.5 EMI Suppression Device(s)/Modifications ............................... …

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Contact Information

Applicant

David Kim(Team leader, LGEUS NA Policy & Regulatory Affairs)

[email protected]201-470-2696Fax: 201-816-2003

Test Firm

Dt&C Co., Ltd.Lee Sang-Wook

[email protected]82-31-321-2664Fax: 82-31-321-1664

Technical Specifications

#	Rule Parts	Frequency Range	Power Output
2	15C	5.74 GHz - 5.81 GHz	39.00 mW

Modular Type

Single Modular Approval

Confidentiality

Long Term

Grant Notes

Modular approval. Power Output listed conducted. This module may only be installed by the OEM or an OEM integrator. Only antenna(s) documented in this filing may be used with this transmitter. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be collocated or operating in conjunction with any other antenna or transmitter within a host device, except in accordance with FCC multi-transmitter product procedures. OEM integrators and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.

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Documents & Files

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Users Manual

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Cover Letter(s)

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External Photos

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ID Label/Location Info

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Internal Photos

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Operational Description

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RF Exposure Info

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Test Report

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Test Setup Photos

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Users Manual

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Cover Letter(s)

LG Electronics USA. 1000 Sylvan Avenue Englewood Cliffs, New Jersey, United States Date: December 16, 2011 Compliance Certification Services Certification Division 47173 Benicia Street Fremont, CA 94538, USA LETTER OF AUTHORIZATION We, the undersigned, hereby authorize Harvey Sung of Digital EMC Co., Ltd. to act on our behalf in all manners relating to application for equipment authorization for FCC ID: BEJ9QK-R2 including signing of all documents relating to these matters. Any and all acts carried out by Harvey Sung of Digital EMC Co., Ltd. on our behalf shall have the same affect as acts of our own. This authorization is valid until further written notice from LG Electronics USA. Sincerely, Christopher Johnson Sr. Manager, Standards & Compliance

Cover Letter(s)

LG Electronics USA. 1000 Sylvan Avenue Englewood Cliffs, New Jersey, United States Date: December 16, 2011 Compliance Certification Services Certification Division 47173 Benicia Street Fremont, CA 94538, USA RE: Request of Confidentiality for FCCID: BEJ9QK-R2 To Whom It may Concern: Pursuant to Sections 0.457 and 0.459 of the Commission`s Rules(CFR 47), and Section 552 (b) (4) of the Freedom of Information Act, LG Electronics USA. 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 days after the grant as outlined in Public Notice DA 04-1705. This provision will give LG Electronics USA. temporary confidentiality of commercially sensitive information prior to product release. The requested permanent and Short-Term Confidential exhibits are listed as follows: PERMANENT & SHORT-TERM CONFIDENTIAL LIST Exhibit Description File name PERMANENT 1 Block Diagram Block Diagram_BEJ9QK-R2.pdf 2 Schematics Schematic_BEJ9QK-R2.pdf 3 Part Lists Part List_BEJ9QK-R2.pdf SHORT-TERM 4 External Photos Ext Photo_BEJ9QK-R2.pdf 5 Internal Photos Int Photo_BEJ9QK-R2.pdf 6 Test-Setup Photos Test Photo_BEJ9QK-R2.pdf 7 Users Manual User Manual_BEJ9QK-R2.pdf 8 Operational Description Operational Description_BEJ9QK-R2.pdf Note: The pictures on the label location do not require any long term or short term confidentiality. The Applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentations, where applicable, will not be public before the date of the Grant for this application. Sincerely, Christopher Johnson Sr. Manager, Standards & Compliance

External Photos

ID Label/Location Info

Internal Photos

Operational Description

Text truncated - open the document above for the full version.

RF Exposure Info

Test Report

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Technical Specifications

#	Rule Parts	Frequency Range	Power Output
2	15C	5.74 GHz - 5.81 GHz	39.00 mW

Modular Type

Single Modular Approval

Confidentiality

Long Term

Grant Notes