TQ8-AC231IXANDIGITAL CAR AUDIO SYSTEM

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Hyundai MOBIS Co., Ltd. #679-4, Yeoksam-dong, Gangnam-gu, Seoul, 135-977, Korea Tel. 82-31-288-5232 / Fax. 82-31-280-2764 16 January 2013 Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 To whom it may concern: I, the undersigned, hereby authorize Lab Manager Feel Jeong of SGS Korea Co., Ltd.(hereafter referred to as SGS Korea) 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 Lab Manager Feel Jeong of SGS Korea Co., Ltd.on our behalf shall have the same effect as acts of our own. I, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). In authorizing SGS Korea 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)usecertification only to indicate the products are certified as being in conformity specified standards; g)endeavor to ensure that no certificate or report nor any part thereof is used in a manner; h)ensure that any reference to our product certif documents, brochures or advertising, complies with the requirements of Division; i)keep a record of all complaints made known to the us relating to the product’s with requirements of the rel Certification Division when requested; j)take appropriate action with respect to such complaints and any deficiencies products or services that affect compliance with the requirements for k)document the actions taken. This authorization is valid until further written notice from the applicant. Sincerely Yours, __________________________ Jongtae Kim Senior Manager Hyundai MOBIS Co., Ltd. Hyundai MOBIS Co., Ltd. #679-4, Yeoksam-dong, Gangnam-gu, Seoul, 135 Tel. 82-31-288-5232/ Fax. 82 certification only to indicate the products are certified as being in conformity endeavor to ensure that no certificate or report nor any part thereof is used in a ensure that any reference to our product certification in communication media documents, brochures or advertising, complies with the requirements of keep a record of all complaints made known to the us relating to the product’s with requirements of the relevant standard and to make these records Certification Division when requested; take appropriate action with respect to such complaints and any deficiencies products or services that affect compliance with the requirements forcertification; document the actions taken. This authorization is valid until further written notice from the applicant. Hyundai MOBIS Co., Ltd. gu, Seoul, 135-977, Korea / Fax. 82-31-280-2764 certification only to indicate the products are certified as being in conformitywith endeavor to ensure that no certificate or report nor any part thereof is used in amisleading ication in communication mediasuch as documents, brochures or advertising, complies with the requirements ofthe Certification keep a record of all complaints made known to the us relating to the product’scompliance evant standard and to make these recordsavailable to take appropriate action with respect to such complaints and any deficienciesfound in certification;

Hyundai MOBIS Co., Ltd. #679-4, Yeoksam-dong, Gangnam-gu, Seoul, 135-977, Korea Tel. 82-31-288-5232 / Fax. 82-31-280-2764 19 March 2013 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road, Columbia, MD 21046 Request of Confidentiality for FCC ID:TQ8-AC231IXAN 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,Hyundai MOBIS 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 for180days after the grant as outlined in Public Notice DA 04-1705. This provision will giveHyundai MOBIS Co., Ltd.temporary confidentiality of commercially sensitive information prior to product release. The requested Permanent and Temporary Confidential exhibits are listed as follows: CONFIDENTIAL LIST Permanent 1Block Diagram 2Operational Descriptions 3Schematics Short-Term 4External Photos 5Internal Photos 6Test-Setup Photos 7User’s 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, __________________________ Jongtae Kim Senior Manager Hyundai MOBIS Co., Ltd.

External photos of EUT Top view of EUT Bottom view of EUT Front view of EUT Rear view of EUT Side view of EUT

Hyundai MOBIS Co., Ltd. FCC MODEL:AC231IXAN FCC ID:TQ8-AC231IXAN This device complies with part 15 of the FCC Rules. Operation is Subject to the following to conditions: (1) This device may not cause harmful interference, and (2) The device must accept any interference received, Including interference that may cause undesired operation Made in Korea MANUFACTURED BY HYUNDAI MOBIS FRONT TOP Nonremovable LABEL LABEL LOCATION PRODUCT LABEL AC231IXAN LABELInformation

Internal photos of EUT Top view of EUT Top view of Key Pad PCB Bottom view of Key Pad PCB Top view of Main PCB Bottom view of Main PCB Top view of Sub PCB Bottom view of Sub PCB Top view of LCD Bottom view of LCD Top view of LCD PCB Bottom view of LCD PCB Top view of CD PLAYER Bottom view of CD PLAYER Top view of Bluetooth Antenna & Module Bluetooth Antenna Bluetooth Module

Report Number :F690501/RF-RTL006305Page:2of5 The results shown in this test report refer only to the sample(s) tested unless otherwise stated. This test report cannot be reproduced, except in full, without prior written permission of the Company. SGS Korea Co., Ltd. (Gunpo Laboratory)18-34, Sanbon-dong, Gunpo-si, Gyeonggi-do, Korea, 435-040 Tel. +82 31 428 5700 / Fax. +82 31 427 2371www.ee.sgs.com/korea INDEX Table of ContentsPage 1. General Information --------------------------------------------------------------------------------3 2. RF Exposure Evaluation --------------------------------------------------------------------------4 Report Number :F690501/RF-RTL006305Page:3of5 The results shown in this test report refer only to the sample(s) tested unless otherwise stated. This test report cannot be reproduced, except in full, without prior written permission of the Company. SGS Korea Co., Ltd. (Gunpo Laboratory)18-34, Sanbon-dong, Gunpo-si, Gyeonggi-do, Korea, 435-040 Tel. +82 31 428 5700 / Fax. +82 31 427 2371www.ee.sgs.com/korea 1. General Information 1.1. Testing Laboratory SGS Korea Co., Ltd. (Gunpo Laboratory) - Wireless Div. 3FL, 18-34, Sanbon-dong, Gunpo-si, Gyeonggi-do, Korea 435-040 (Lab) - Wireless Div. 1FL, 18-34, Sanbon-dong, Gunpo-si, Gyeonggi-do, Korea 435-040 (Chamber) All SGS services are rendered in accordance with the applicable SGS conditions of service available on request and accessible athttp://www.sgs.com/en/Terms-and-Conditions.aspx. Telephone:+82 31 428 5700 FAX:+82 31 427 2371 1.2. Details of Applicant Applicant:Hyundai MOBIS Co., Ltd. Address:80-9, Mabook-Dong, Giheung-Gu Yongin-Shi, Gyunggi-Do, 446-912, South Korea Contact Person:Kim, Jong-Tae Phone No.:+82 31 260 0092 1.3. Description of EUT Kind of Product DIGITAL CAR AUDIO SYSTEM Model Name AC231IXAN Serial Number N/A Power Supply DC 14.4 V (Used on vehicle battery) Frequency Range 2 402㎒~ 2 480㎒ Modulation Technique GFSK, π/4DQPSK, 8DPSK Number of Channels 79 Antenna Type Pattern Antenna Antenna Gain -5.5㏈i 1.4. Test report revision RevisionReport numberDescription 0F690501/RF-RTL006305Initial Report Number :F690501/RF-RTL006305Page:4of5 The results shown in this test report refer only to the sample(s) tested unless otherwise stated. This test report cannot be reproduced, except in full, without prior written permission of the Company. SGS Korea Co., Ltd. (Gunpo Laboratory)18-34, Sanbon-dong, Gunpo-si, Gyeonggi-do, Korea, 435-040 Tel. +82 31 428 5700 / Fax. +82 31 427 2371www.ee.sgs.com/korea 2. RF Exposure Evaluation 2.1. Environmental evaluation and exposure limit according to FCC CFR 47 part 1, 1.1307(b), 1.1310 According to FCC 1.1310 : The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in §1.1307(b) LIMITS FOR MAXIMUM PERMISSIBLE EXPOSURE (MPE) 2.1.1. Friis transmission formula: Pd = (Pout*G)/(4*pi*R 2 ) Where Pd = power density in㎽/㎠ Pout = output power to antenna in㎽ G = gain of antenna in linear scale Pi = 3.1416 R = distance between observation point and center of the radiator in㎝ Pd the limit of MPE, 1㎽/㎠. If we know the maximum gain of the antenna and the total power input to the antenna, through the calculation, we will know the distance where the MPE limit is reached. Frequency Range (㎒) Electric Field Strength(V/m) Magnetic Field Strength (A/m) Power Density (㎽/㎠) Average Time (A) Limits for Occupational /Control Exposures 300 – 1 500----F/3006 1 500 – 100 000----56 (B) Limits for General Population/Uncontrol Exposures 300 – 1 500----F/15006 1 500 – 100 000----130 Report Number :F690501/RF-RTL006305Page:5of5 The results shown in this test report refer only to the sample(s) tested unless otherwise stated. This test report cannot be reproduced, except in full, without prior written permission of the Company. SGS Korea Co., Ltd. (Gunpo Laboratory)18-34, Sanbon-dong, Gunpo-si, Gyeonggi-do, Korea, 435-040 Tel. +82 31 428 5700 / Fax. +82 31 427 2371www.ee.sgs.com/korea 2.1.2. Test Result of RF Exposure Evaluation Test Item：RF Exposure Evaluation Data Test Mode：Normal Operation 2.1.3.Output Power into Antenna & RF Exposure Evaluation Distance FHSS: GFSK Channel Channel Frequency (㎒) Output Average Power to Antenna (㏈m) Antenna Gain (㏈i) Duty Cycle (%) Power Density at 20㎝ (㎽/㎠) Limits (㎽/㎠) Low2 4020.78-5.5460.000 0311 Middle2 4410.76-5.5460.000 0311 High2 4800.52-5.5460.000 0291 FHSS: π/4DQPSK Channel Channel Frequency (㎒) Output Average Power to Antenna (㏈m) Antenna Gain (㏈i) Duty Cycle (%) Power Density at 20㎝ (㎽/㎠) Limits (㎽/㎠) Low2 402-0.74-5.5420.000 0201 Middle2 441-1.10-5.5420.000 0181 High2 480-1.59-5.5420.000 0161 Note : 1. The power density Pd (5th column) at a distance of 20㎝calculated from the friis transmission formula is far below the limit of 1㎽/㎠.

Report Number:F690501/RF-RTL006304Page:2of58 The results shown in this test report refer only to the sample(s) tested unless otherwise stated. This test report cannot be reproduced, except in full, without prior written permission of the Company. SGSKoreaCo.,Ltd.(GunpoLaboratory) 18-34, Sanbon-dong, Gunpo-si, Gyeonggi-do, Korea, 435-040 Tel. +82 31 428 5700 / Fax. +82 31 427 2371www.ee.sgs.com/korea INDEX Table of ContentsPage 1. General Information ---------------------------------------------------------------------------------3 2. Transmitter Radiated Spurious Emissions and Conducted Spurious Emission ------7 3. 20㏈Bandwidth ----------------------------------------------------------------------------------- 30 4. Maximum Peak Output Power -------------------------------------------------------------------35 5. Hopping Channel Separation ---------------------------------------------------------------------37 6. Number of Hopping Frequency ------------------------------------------------------------------40 7. Time of Occupancy(Dwell Time) -----------------------------------------------------------------44 8. Antenna Requirement ------------------------------------------------------------------------------58 Report Number:F690501/RF-RTL006304Page:3of58 The results shown in this test report refer only to the sample(s) tested unless otherwise stated. This test report cannot be reproduced, except in full, without prior written permission of the Company. SGSKoreaCo.,Ltd.(GunpoLaboratory) 18-34, Sanbon-dong, Gunpo-si, Gyeonggi-do, Korea, 435-040 Tel. +82 31 428 5700 / Fax. +82 31 427 2371www.ee.sgs.com/korea 1. General Information 1.1. Testing Laboratory SGS Korea Co., Ltd. (Gunpo Laboratory) - Wireless Div. 3FL, 18-34, Sanbon-dong, Gunpo-si, Gyeonggi-do, Korea 435-040 (Lab) - Wireless Div. 1FL, 18-34, Sanbon-dong, Gunpo-si, Gyeonggi-do, Korea 435-040 (Chamber) All SGS services are rendered in accordance with the applicable SGS conditions of service available on request and accessible athttp://www.sgs.com/en/Terms-and-Conditions.aspx. Telephone:+82 31 428 5700 FAX:+82 31 427 2371 1.2. Details of Applicant Applicant:Hyundai MOBIS Co., Ltd. Address:80-9, Mabook-Dong, Giheung-Gu Yongin-Shi, Gyunggi-Do, 446-912, South Korea Contact Person:Kim, Jong-Tae Phone No.:+82 31 260 0092 1.3. Description of EUT Kind of Product DIGITAL CAR AUDIO SYSTEM Model Name AC231IXAN Serial Number N/A Power Supply DC 14.4 V (Used on vehicle battery) Frequency Range 2 402㎒~ 2 480㎒ Modulation Technique GFSK, π/4DQPSK, 8DPSK Number of Channels 79 Antenna Type Pattern Antenna Antenna Gain -5.5㏈i 1.4. Declaration by the manufacturer - Adaptive Frequency Hopping is supported and use at least 20 channels . Report Number:F690501/RF-RTL006304Page:4of58 The results shown in this test report refer only to the sample(s) tested unless otherwise stated. This test report cannot be reproduced, except in full, without prior written permission of the Company. SGSKoreaCo.,Ltd.(GunpoLaboratory) 18-34, Sanbon-dong, Gunpo-si, Gyeonggi-do, Korea, 435-040 Tel. +82 31 428 5700 / Fax. +82 31 427 2371www.ee.sgs.com/korea 1.5. Information about the FHSS characteristics: 1.5.1. Pseudorandom Frequency Hopping Sequence The channel is represented by a pseudo-random hopping sequence hopping through the 79 RF channels. The hopping sequence is unique for the piconet and is determined by the Bluetooth device address of the master; the phase in the hopping sequence is determined by the Bluetooth clock of the master. The channel is divided into time slots where each slot corresponds to an RF hop frequency. Consecutive hops correspond to different RF hop frequencies. The nominal hop rate is 1 600 hops/s. 1.5.2. Equal Hopping Frequency Use All Bluetooth units participating in the piconet are time and hop-synchronized to the channel. 1.5.3. System Receiver Input Bandwidth Each channel bandwidth is 1㎒ 1.5.4. Equipment Description 15.247(a)(1) that the rx input bandwidths shift frequencies in synchronization with the transmitted 15.247(g): In accordance with the Bluetooth Industry Standard, the system is designed to comply with all of the regulations in Section 15.247 when the transmitter is presented with a continuous data (or information) system. 15.247(h): In accordance with the Bluetooth Industry Standard, the system does not coordinate it channels selection/ hopping sequence with other frequency hopping systems for the express purpose of avoiding the simultaneous occupancy of individual hopping frequencies by multiple transmitters. Report Number:F690501/RF-RTL006304Page:5of58 The results shown in this test report refer only to the sample(s) tested unless otherwise stated. This test report cannot be reproduced, except in full, without prior written permission of the Company. SGSKoreaCo.,Ltd.(GunpoLaboratory) 18-34, Sanbon-dong, Gunpo-si, Gyeonggi-do, Korea, 435-040 Tel. +82 31 428 5700 / Fax. +82 31 427 2371www.ee.sgs.com/korea 1.6. Test Equipment List EquipmentManufacturerModelS/NCal DateCal IntervalCal Due. Signal GeneratorR&S SMR40100540 Aug. 23, 2012AnnualAug. 23, 2013 Spectrum AnalyzerAgilentN9030AUS51350132Oct. 30, 2012AnnualOct. 30, 2013 Spectrum AnalyzerR&SFSV30100955Mar. 29, 2012AnnualMar. 29, 2013 Bluetooth TesterTESOMTC-3000B3000B630018Jul. 06, 2012 Annual Jul. 06, 2013 Directional CouplerKRYTAR 152613127447 Apr. 04, 2012 Annual Apr. 04, 2013 High Pass FilterWainwrightWHK3.0/18G-10SS344 Sep. 12, 2012AnnualSep. 12, 2013 High Pass FilterWainwrightWHK7.5//26.5G-6SS11 Jul. 12, 2012AnnualJul. 12, 2013 Low Pass FilterMini circuitsNLP-1200+V8979400903-2 Mar. 30, 2012AnnualMar. 30, 2013 Power SensorR&S NRP-Z81100669 Apr. 03. 2012 Annual Apr. 03. 2013 DC power SupplyAgilentU8002AMY49030063Dec. 20, 2012 Annual Dec. 20, 2013 PreamplifierH.P.8447F2944A03909Jul. 04, 2012AnnualJul. 04, 2013 PreamplifierR&SSCU1810117Jan. 14, 2013 Annual Jan. 14, 2014 PreamplifierMITEQ Inc.JS44-18004000-35-8P1546891 Jul. 12, 2012AnnualJul. 12, 2013 Loop AntennaR&SHFH2-Z2100118…

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Test setup photos of EUT A. Photo of Field Strength & Spurious Emission Test for Bluetooth