TQ8-AC1B1C2ANDIGITAL CAR AUDIO SYSTEM

AC1B1C2AN,AC1B1C2KN,AC1B1C2AX, AC2B0C2AN,AC2B0C2KN,AC2B0C2AX 1 2 3 4 5 6 7 9 9. MUTE •AUDIO MUTE 8 10 11 12 13 9 14

Hyundai Mobis Co., Ltd. 80-9, Mabook-dong, Giheung-gu, Yongin-shi, Gyunggi-do, Korea Tel. 82-31-260-0092 / Fax. 82-31-899-1788 Date: January 2, 2014 To: SIEMIC, INC. 775 Montague Expressway, Milpitas, CA 95035 USA Dear Sir/Madam, Re: Project and Product Certification Representative Authorization Letter We, Hyundai Mobis Co., Ltd., hereby authorize SIEMIC, INC. to act as a Certification Body for certifying for the following project : - Product : DIGITAL CAR AUDIO SYSTEM - Model name : AC1B1C2AN - FCC ID : TQ8- AC1B1C2AN We affirm that between SIEMIC and Hyundai Mobis Co., Ltd., any difference in understanding, including test plan, measurement methods, applicable standards and relevant procedures and processes have been resolved prior to commencement of testing activities. 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). This authorization is valid until further written notice from the applicant. Sincerely Yours, ______________________________________ Jong-Tae Kim /Manager /Hyundai Mobis Co., Ltd.

Hyundai Mobis Co., Ltd. 80-9, Mabook-dong, Giheung-gu, Yongin-shi, Gyunggi-do, Korea Tel. 82-31-260-0092 / Fax. 82-31-899-1788 FCC Confidentiality Request Letter Date: January 2, 2014 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia MD 21046 Subject: Permanent Confidentiality Request for FCC ID: TQ8- AC1B1C2AN We hereby request confidential treatment of information accompanying this application as outlined below:  Block diagram  Schematics  Operation Description 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 & 0.459 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 Yours, ______________________________________ Jong-Tae Kim /Manager /Hyundai Mobis Co., Ltd.

Hyundai Mobis Co., Ltd. #679-4, Yeoksam-dong, Gangnam-gu, Seoul, 135-977 Korea Tel. 82-31-260-0092 / Fax. 82-31-899-1788 Doc No. RF1312-327 Date : Dec. 2, 2013 Subject: Letter of Similarity Dear Sirs, The specification of basic model name is as below : Basic model name for USA Description AC1B1C2AN Specification : Car audio with Bluetooth (BDR/EDR)  For General market, we use common marking on front panel button by character (power, volume, phone, setup, display) Comparing to basic model name, the difference of variant model names are as below : Variant model name Description Remarks AC1B1C2KN Variant model name for Canada market All model names are electrically identical in construction, radio characteristics, and features. AC1B1C2AX Variant model name for some Latin America market Sincerely yours, __________________________________ JongTae Kim /Manager /Hyundai Mobis Co., Ltd.

External photos of EUT

FCC ID LABEL 1. FCC ID label drawing 2. FCC ID label location

Internal photos of EUT Bluetooth Antenna

http://www.emc2000.co.kr FCC/IC TEST REPORT Report No.: EMC-FCC-R0134 EMC compliance Ltd. Page: 62 of 63 480-5 Sin-dong, Yeongtong-gu, Suwon-si, Gyeonggi-do, 443-390, Korea 82-31-336-9919 (Main) 82-505-299-8311 (Fax) This test report shall not be reproduced except in full, Without the written approval. 5.9 RF Exposure 5.9.1 Regulation According to §15.247(i), 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 of the Commission's guidelines. See § 1.1307(b)(1) of this Chapter. Limits for Maximum Permissive Exposure: RF exposure is calculated. Frequency Range Electric Field Strength [V/m] Magnetic Field Strength [A/m] Power Density [mW/cm 2 ] Av e r ag ing Time [minute] Limits for General Population / Uncontrolled Exposure 0.3 ~ 1.34 614 1.63 *(100) 30 1.34 ~ 30 824 /f 2.19/f *(180/f 2 ) 30 30 ~ 300 27.5 0.073 0.2 30 300 ~ 1500 / / f/1500 30 1500 ~ 15000 / / 1.0 30 f=frequency in MHz, *= plane-wave equivalent power density MPE (Maximum Permissive Exposure) Prediction Predication of MPE limit at a given distance: Equation from page 18 of OET Bulletin 65, Edition 97-01  SPGRRPGS4 4 2  S=power density [mW/cm 2 ] P=Power input to antenna [mW] G=Power gain of the antenna in the direction of interest relative to an isotropic radiator R= distance to the center of radiation of the antenna [cm] EUT: Maximum peak output power = 2.00 [mW](= 3.02 dBm) Antenna gain= 2.24(= 3.5 [dBi]) 100 mW, at 20 cm from an antenna 6[dBi] S = PG/4πR² = 100 × 3.98 / (4 × π × 400) = 0.0792 [mW/cm 2 ] < 1.0 [mW/cm 2 ] 2.239 mW, at 20 cm from an antenna 3.5 [dBi] S = PG/4πR²= 0.000 89 [mW/cm 2 ] < 1.0 [mW/cm 2 ] 2.239 mW, at 2.5 cm from an antenna 3.5 [dBi] S = PG/4πR²= 0.057 14 [mW/cm 2 ] < 1.0 [mW/cm 2 ] 5.9.2 RF Exposure Compliance Issue The information should be included in the user’s manual: This appliance and its antenna must not be co-located or operation in conjunction with any other antenna or transmitter. A minimum separation distance of 20 cm must be maintained between the antenna and the person for this appliance to satisfy the RF exposure requirements.

http://www.emc2000.co.kr FCC TEST REPORT Report No.: EMC-FCC-R0134 EMC compliance Ltd. Page: 1 of 2 480-5 Shin-dong, Yeongtong-gu, Suwon-city, Gyunggi-do, 443-390, Korea, 82 31 336 9919 (Main) 82 31 336 4767 (Fax) This test report shall not be reproduced except in full, Without the written approval. Test setup photos 9kHz~30MHz 30MHz~1GHz http://www.emc2000.co.kr FCC TEST REPORT Report No.: EMC-FCC-R0134 EMC compliance Ltd. Page: 2 of 2 480-5 Shin-dong, Yeongtong-gu, Suwon-city, Gyunggi-do, 443-390, Korea, 82 31 336 9919 (Main) 82 31 336 4767 (Fax) This test report shall not be reproduced except in full, Without the written approval. Test setup photos 1GHz Over