2AB6X52691In-Wall Bluetooth Audio Receiver

ELECTRONICA INTEGRAL DE SONIDO S.A. Malpica, C/F-Oeste, Grupo Quejido, 87-88, Zaragoza, Spain FCC Confidentiality Request Number: CF303 Version: V05 Date: 21-05-2012 (Permanent or also called long term confidentiality is the normal method to keep certain docuements confidential, and may apply to schematics, block diagrams, operational description and bill of materials.) To: Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Pursuant to 47 CFR Section 0.459(a) & (b), we, (the applicant / grantee) Company nameELECTRONICA INTEGRAL DE SONIDO S.A. AddressPol. Malpica, C/F-Oeste, Grupo Quejido, 87-88 CityZaragoza CountrySpain request for this certification filing under: Grantee CodeProduct Number FCC ID:2AB6X52691 to maintain permanent confidentiality for the following documents submitted within this application: (please cross what is applicable, or add other documents, provide the file name and description) ExhibitFile NameDescription XOperational Descriptionexplaining the functioning of the block diagram XBlock Diagramsshowing the systematic building blocks of the EUT XSchematics Diagramsshowing components, their values and interconnection Above materials crossed contain secrets, proprietary and technical information, which would customarily be guarded from competitors under 47 CFR, section 0.457(d)(2). Disclosure or publication or any portion of this company confidential material to other parties could cause substantial competitive harm and provide unjustified benefits for competitors. We understand that pursuant to 47 CFR section 0.457(d)(1)(ii) disclosure of the applicant and all accompanying documentation will not be made before the date of the grant. The documents indicated as confidential above, are not publicly available elsewhere. Attestation: City and Country:Date:Name: (this must be a person) Function:Signature: (or official company stamp) Enschede, The Netherlands 2014-06-25M. Koop (authorized) Manager

Shenzhen ETR Standard Technology Co., Ltd. Report No.: ET-ID14063431 4/F Fengleyuan Building, No.327 Xixiang Blvd, Bao'an District, Shenzhen, China Page: 1 of 3 Tel: +86 755 85259392 Fax: +86 755 27219460 Photographs – External Photo Shenzhen ETR Standard Technology Co., Ltd. Report No.: ET-ID14063431 4/F Fengleyuan Building, No.327 Xixiang Blvd, Bao'an District, Shenzhen, China Page: 2 of 3 Tel: +86 755 85259392 Fax: +86 755 27219460 Shenzhen ETR Standard Technology Co., Ltd. Report No.: ET-ID14063431 4/F Fengleyuan Building, No.327 Xixiang Blvd, Bao'an District, Shenzhen, China Page: 3 of 3 Tel: +86 755 85259392 Fax: +86 755 27219460

Shenzhen ETR Standard Technology Co., Ltd. Report No.: ET-ID14063431 4/F Fengleyuan Building, No.327 Xixiang Blvd, Bao'an District, Shenzhen, China Page: 1 of 1 Tel: +86 755 85259392 Fax: +86 755 27219460 Label and Location Model No.: 52691 Input: 15Vdc ,1A FCC ID: 2AB6X52691 Label location

Shenzhen ETR Standard Technology Co., Ltd. Report No.: ET-ID14063431 4/F Fengleyuan Building, No.327 Xixiang Blvd, Bao'an District, Shenzhen, China Page: 1 of 7 Tel: +86 755 85259392 Fax: +86 755 27219460 Photographs – Internal Photo Shenzhen ETR Standard Technology Co., Ltd. Report No.: ET-ID14063431 4/F Fengleyuan Building, No.327 Xixiang Blvd, Bao'an District, Shenzhen, China Page: 2 of 7 Tel: +86 755 85259392 Fax: +86 755 27219460 Shenzhen ETR Standard Technology Co., Ltd. Report No.: ET-ID14063431 4/F Fengleyuan Building, No.327 Xixiang Blvd, Bao'an District, Shenzhen, China Page: 3 of 7 Tel: +86 755 85259392 Fax: +86 755 27219460 BT Antenna Shenzhen ETR Standard Technology Co., Ltd. Report No.: ET-ID14063431 4/F Fengleyuan Building, No.327 Xixiang Blvd, Bao'an District, Shenzhen, China Page: 4 of 7 Tel: +86 755 85259392 Fax: +86 755 27219460 Shenzhen ETR Standard Technology Co., Ltd. Report No.: ET-ID14063431 4/F Fengleyuan Building, No.327 Xixiang Blvd, Bao'an District, Shenzhen, China Page: 5 of 7 Tel: +86 755 85259392 Fax: +86 755 27219460 Shenzhen ETR Standard Technology Co., Ltd. Report No.: ET-ID14063431 4/F Fengleyuan Building, No.327 Xixiang Blvd, Bao'an District, Shenzhen, China Page: 6 of 7 Tel: +86 755 85259392 Fax: +86 755 27219460 Shenzhen ETR Standard Technology Co., Ltd. Report No.: ET-ID14063431 4/F Fengleyuan Building, No.327 Xixiang Blvd, Bao'an District, Shenzhen, China Page: 7 of 7 Tel: +86 755 85259392 Fax: +86 755 27219460

Shenzhen ETR Standard Technology Co., Ltd. Report No.: ET-ID14063431 4/F Fengleyuan Building, No.327 Xixiang Blvd, Bao'an District, Shenzhen, China Page: 1 of 2 Tel: +86 755 85259392 Fax: +86 755 27219460 RF Exposure Evaluation FCC ID: 2AB6X52691 1 Client Information Applicant : ELECTRONICA INTEGRAL DE SONIDO S.A. Address : Pol. Malpica, C/F-Oeste, Grupo Quejido, 87-88, Zaragoza, Spain Manufacturer : Shenzhen AOK Science And Technology Co., Ltd Address : No.3 Bldg., Guihutang Street, Guhua Village, Guanlan Town, Bao'an, Shenzhen, China 2 General Description of EUT (Equipment Under Test) Product Name : IN-WALL BLUETOOTH AUDIO RECEIVER Models No. : 52691 Trademark : EISSOUND Operation Frequency: 2402MHz~2480MHz Transfer Rate: 1/2/3 Mbits/s Number of Channel: 79 Channels Modulation Type: GFSK, π/4-DQPSK, 8-DPSK Modulation Technology: FHSS Antenna Type: Integral PCB Antenna Product Description : Antenna Gain: 0 dBi Power Supply : DC 15V from external power supply Note: More test information about the EUT please refer to the RF Test Report. Shenzhen ETR Standard Technology Co., Ltd. Report No.: ET-ID14063431 4/F Fengleyuan Building, No.327 Xixiang Blvd, Bao'an District, Shenzhen, China Page: 2 of 2 Tel: +86 755 85259392 Fax: +86 755 27219460 MPE Calculations FCC Requirement According to KDB 447498 D01 Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies V05R02 (1) Clause 4.3: General SAR test reduction and exclusion guidance Sub clause 4.31: Standalone SAR test exclusion considerations 1) The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6GHz at test separation distance≤50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation, mm)]*[√f (GHz) ] ≤3.0 for 1-g SAR [(max. power of channel, including tune-up tolerance, mW)/(min. test separation, mm)]*[√f (GHz) ] ≤7.5.0 for 10-g SAR Calculation: The maximum power is 3.97 dBm (2.495mW) @2.402GHz Separation Distance is 5mm For 1-g SAR Result: (2.495mW /5mm) •[√2.402(GHz)]= 0.773 <3.0 for 1-g SAR So standalone SAR measurements are not required.

Shenzhen ETR Standard Technology Co., Ltd. Report No.: ET-ID14063431 4/F Fengleyuan Building, No.327 Xixiang Blvd, Bao'an District, Shenzhen, China Page: 1 of 47 Tel: +86 755 85259392 Fax: +86 755 27219460 FCC Test Report (FCC ID: 2AB6X52691) Applicant : ELECTRONICA INTEGRAL DE SONIDO S.A. Address : Pol. Malpica, C/F-Oeste, Grupo Quejido, 87-88, Zaragoza, Spain Equipment Under Test (EUT) Product Name : IN-WALL BLUETOOTH AUDIO RECEIVER Model No. : 52691 Trademark : EISSOUND Applicable standards : FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of sample receipt : 2014-06-05 Date of test : 2014-06-05 to 2014-06-17 Date of report issued : 2014-06-18 Test result : PASS* *In the configuration tested, the EUT complied with the standards specified above. Test/Witness Engineer : Approved & Authorized : This report details the results of the testing carried out on one sample. The results contained in this test report do not relate to other samples of the same product. The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in the report. Report No.: ET-ID14063431 4/F Fengleyuan Building, No.327 Xixiang Blvd, Bao'an District, Shenzhen, China Page: 2 of 47 Tel: +86 755 85259392 Fax: +86 755 27219460 Contents CONTENTS...................................................................................................................................................................2 1. GENERAL INFORMATION...........................................................................................................................3 1.1. Client Information..............................................................................................................................3 1.2. General Description of EUT (Equipment Under Test).................................................................3 1.3. Block Diagram Showing The Configuration of System Tested..................................................4 1.4. Description of Support Units............................................................................................................4 1.5. External I/O Cable.............................................................................................................................5 1.6. Description of Test Software Setting..............................................................................................5 1.7. Description of Test Mode.................................................................................................................5 1.8. Laboratory Location..........................................................................................................................5 1.9. Test Instruments List........................................................................................................................6 2. TEST SUMMARY............................................................................................................................................7 3. TEST RESULTS AND MEASUREMENT DATA........................................................................................8 3.1. Antenna Requirement......................................................................................................................8 3.2. Conducted Emission Test................................................................................................................9 3.3. Conducted Peak Output Power Test............................................................................................10 3.4. 20dB Occupy Bandwidth Test.......................................................................................................14 3.5. Carrier Frequency Separation Test..............................................................................................18 3.6. Number of Hopping Channel............................................................... ..........................................23 3.7. Dwell Time Test...............................................................................................................................25 3.8. Pseudorandom Frequency Hopping Sequence.........................................................................29 3.9. Band Edge Requirement (Conducted Emission Method).........................................................30 3.10. Band Edge Requirement (Radiated Emission Method)............................................................34 3.11. Spurious Emission (Conducted Emission Method)....................................................................37 3.12. Spurious Emission (Radiated Emission Method).......................................................................41 Report No.: ET-ID14063431 4/F Fengleyuan Building, No.327 Xixiang Blvd, Bao'an District, Shenzhen, China Page: 3 of 47 Tel: +86 755 85259392 Fax: +86 755 27219460 1. General Information 1.1. Client Information Applicant : ELECTRONICA INTEGRAL DE SONIDO S.A. Address : Pol. Malpica, C/F-Oeste, Grupo Quejido, 87-88, Zaragoza, Spain Manufacturer : Shenzhen AOK Science And Technology Co., Ltd Address : No.3 Bldg., Guihutang Street, Guhua Village, Guanlan Town, Bao'an, Shenzhen, China 1.2. General Description of EUT (Equipment Under Test) Product Name : IN-WALL BLUETOOTH AUDIO RECEIVER Models No. : 52691 Trademark : EISSOUND Operation Frequency: 2402MHz~2480MHz Transfer Rate: 1/2/3 Mbits/s Number of Channel: 79 Channels Modulation Type: GFSK, π/4-DQPSK, 8-DPSK Modulation Technology: FHSS Antenna Type: Integral PCB Antenna Product Description : Antenna Gain: 0 dBi Power Supply : DC 15V from external power supply Note: (1) For a more detailed features description, please refer to the manufacturer’s specifications or the User’s Manual. (2) Channel List: Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) 00 2402 27 2429 54 2456 01 2403 28 2430 55 2457 02 2404 29 2431 56 2458 03 2405 30 2432 57 2459 04 2406 31 2433 58 2460 05 2407 32 2434 59 2461 …

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Shenzhen ETR Standard Technology Co., Ltd. Report No.: ET-ID14063431 4/F Fengleyuan Building, No.327 Xixiang Blvd, Bao'an District, Shenzhen, China Page: 1 of 1 Tel: +86 755 85259392 Fax: +86 755 27219460 Photographs – Test Setup Radiated Emission Test Setup