FCC ID: U8FSSHBSFCC05 Car/DVD/TV/Radio/Bluetooth/GPS

EUT - Inside View EUT - Inside View EUT - Inside View EUT - Inside View EUT - Inside View EUT - Inside View PCB of EUT - Front View PCB of EUT - Back View PCB of EUT - Front View PCB of EUT - Back View

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FCC ID Label Sample for FCC ID: USFSSHBSFCC05 FCC ID: U8FSSHBSFCCO5 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.

The proposed Label Location on EUT Proposed FCC ID Label Location

2206 Ringwood Avenue San Jose, CA 95131 Tel: 408-526-1188 Fax: 408-526-1088 Email: TCB@siemic.com Project and Product Certification Representative Authorization Letter Reason for Amendment (current / obsolete) Initial Release (current) Revised wording (current) Revision History To 1.0 2.0 From 1.0 1.0 Approved Date Nov-14-2006 Sept25-2007 SCS-F18: Project and Product Certification Representative Authorization Letter Page 1 of 2 Rev 2.0 EST Compliance Laboratory Limited April 15, 2009 To: SIEMIC, INC. 2206 Ringwood Avenue, San Jose, CA 95131 USA Dear Sir/Madam, Re: Project and Product Certification Representative Authorization Letter We, EST COMPLIANCE LABORATORY LIMITED hereby authorize SIEMIC, INC. to act as a Certification Body for certifying for the following project(s):

FCC ID: U8FSSHBSFCC05 Applicant: Coagent Electronic S&T Co., Ltd. Product: Car DVD/TV/Radio/Bluetooth/GPS Model No.: CA1621G, CA3612G, CA3600G, CA3602G, CA3611G, CA3616G, CA3620G, CA3621G, CA3625G, CA3626G, CA3628G, CA3632G, CA3633G, CA3635G, CA3636G, CA3638G, CA3639G, CA3640G, CA3641G, CA3651G, CA3652G, CA3657G, CA3658G, CA3659G, CA1622G, CA1623G, CA3650G, CA3646G, CA3649G, CA3050G We affirm that between SIEMIC and EST COMPLIANCE LABORATORY LIMITED, 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. Sincerely, Clients signature:

Clients name / title: Mars Ou Contact information / address:

Tel: 86-755-26648642-8007 Fax: 86-755-26648637 Address: 6/F, 207 Building, Nanyou No. 2 Industrial Park, Dengliang Road Nanshan District, Shenzhen 518053, China SCS-F18: Project and Product Certification Representative Authorization Letter Page 2 of 2 Rev 2.0

FCC ID: U8FSSHBSFCC05 POWER OF ATTORNEY 2009-4-15 Federal Communications Commission Authorization and Evaluation Division To Whom It Concern We (Coagent Electronic S&T Co., Ltd), hereby authorize EST COMPLIANCE LABORATORY LIMITED (Mars Ou) on our behalf, to apply to the Federal Communications Commission on our equipment, Any and all acts carried out by EST COMPLIANCE LABORATORY LIMITED (Mars Ou) on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti-Drug Abuse act. We (Coagent Electronic S&T Co., Ltd.), are not subject to a denial of federal benefits pursuant to Section 5301 of theAnti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely Bo Zheng Certification Engineer Coagent Electronic S&T Co., Ltd.

April 15, 2009 To:

Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: U8FSSHBSFCC05 We (Coagent Electronic S&T Co., Ltd.) hereby request confidential treatment of information accompanying this application as outlined below:

- Schematics, Block 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, 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, Bo Zheng certification engineer Coagent Electronics S&T Co., Ltd.

The theory of Bluetooth module:

1. CPU: responsible for communication with outside interface, to control chip of Bluetooth and responses the message through UART. Main frequency is 8MHz. 2. Bluetooth module: responsible for communication with mobile phone, and transfer the sound. Main frequency is 16MHz 3. Power circuit: To provide steady power to around circuit 4. LED display: Display current state of Bluetooth.