VMDYAY200FM TRANSMITTER

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#303 SWOLLEUNG BLDG, 705-8, Yeoksam-Dong, Gangnam-Gu, Seoul, Korea August 29, 2007 Timco Engineering, Inc. 849 N.W. State Road 45 P.O. Box 370 Newberry, Florida 32669 USA LETTER OF AUTHORIZATION To whom it may concern: We, the undersigned, hereby authorize YUNGS GROUP, INC to act on our behalf in all manners relating to application for equipment authorization for FCC ID: VMDYAY200 including signing of all documents relating to these matters. Any and all acts carried out by 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 YUNGS GROUP, INC. Sincerely, Seung Man, LEE / General Manager

#303 SWOLLEUNG BLDG, 705-8, Yeoksam-Dong, Gangnam-Gu, Seoul, Korea August 29, 2007 Timco Engineering, Inc. 849 N.W. State Road 45 P.O. Box 370 Newberry, Florida 32669 USA In re : YUNGS GROUP, INC FCC ID : VMDYAY200 Request for Confidentiality Gentlemen: In accordance with 0.459 of CFR 47, YUNGS GROUP, INC hereby requests confidentiality of the Block diagram(Block Diagrm_VMDYAY200.pdf), Schematics(Schematic_ VMDYAY200.pdf), Parts list(Part List_ VMDYAY200.pdf) and Operational description(Operational Description_ VMDYAY200.pdf). These documents contain detailed system and equipment description and related information about the product which YUNGS GROUP, INC considers to be proprietary, confidential, and a custom design and, otherwise, would not release to the general public. Since this design is a basis from which future technological products will evolve, YUNGS GROUP, INC considers that this information would be of benefit to its competitors, and that the disclosure of the information in these documents would give competitors an unfair advantage in the market. Sincerely, Seung Man, LEE / General Manager

#303 SWOLLEUNG BLDG, 705-8, Yeoksam-Dong, Gangnam-Gu, Seoul, Korea August 29, 2007 Timco Engineering, Inc. 849 N.W. State Road 45 P.O. Box 370 Newberry, Florida 32669 USA In re: YUNGS GROUP, INC FCC ID: VMDYAY200 Request for Short-Term Confidentiality To Whom It May Concern: In accordance with 0.457 and 0.459 of CFR 47, YUNGS GROUP, INC requests short-term confidentiality of following sections of this application for a period of 45 days after grant is issued. Test setup photos(Test Photo_VMDYAY200.pdf) External photos(Ext Photo_ VMDYAY200.pdf) Internal photos(Int Photo_ VMDYAY200.pdf)) User’s manual(User Manual_ VMDYAY200.pdf)) These documents contain detailed system and equipment descriptions and related information about the product, which YUNGS GROUP, INC considers to be proprietary, confidential, and a custom design and otherwise, would not release to the general public. Since this design is a basis from which future technological products will evolve, YUNGS GROUP, INC feels that this information would be of benefit to its competitors, and that the disclosure of the information in these documents would give our competitors an unfair advantage in the market. Sincerely, Seung Man, LEE / General Manager

FCCID: VMDYAY200 View 1 FCCID: VMDYAY200 View 2 FCCID: VMDYAY200 View 3 FCCID: VMDYAY200 View 4

FCC ID: VMDYAY200 FCC ID SAMPLE LABEL & LOCATION MODEL NAME: YAY200 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

FCCID: VMDYAY200 View 1 (Internal) FCCID: VMDYAY200 View 2 FCCID: VMDYAY200 View 3

DEMC#DR50110709B FCC ID: VMDYAY200 Copyright ○ c 2006, DIGITAL EMC Co., Ltd. Page 1 of 18 DIGITAL EMC CO., LTD. 683-3, Yubang-Dong, Yongin-Si, Kyunggi-Do, Korea. 449-080 Tel: +82-31-321-2664 Fax: +82-31-321-1664 http://www.digitalemc.com CERTIFICATION OF COMPLIANCE YUNGS GROUP, INC #303 SWOLLEUNG BLDG, 705-8, Yeoksam-Dong, Gangnam-Gu, Seoul, Korea Dates of Tests: August 13 ~ 22, 2007 Test Report S/N: DR50110709B Test Site : DIGITAL EMC CO., LTD. FCC ID APPLICANT FCC Classification : Low Power Communication Device Transmitter Device name : FM Transmitter Manufacturer : YUNGS GROUP ,INC Model / Brand name : YAY200 Test Device Serial number : Identical prototype FCC Rule Part(s) : FCC Part 15 Subpart C ANSI C-63.4-2003 Frequency Range : 88.1 ~ 88.9 MHz Data of issue : September 3, 2007 I attest to the accuracy of data. All measurements reported herein were performed by me or were made under my supervision and are correct to the best of my knowledge and belief. I assume full responsibility for the completeness of these measurements and vouch for the qualifications of all persons taking them. VMDYAY200 YUNGS GROUP, INC DEMC#DR50110709B FCC ID: VMDYAY200 Copyright ○ c 2006, DIGITAL EMC Co., Ltd. Page 2 of 18 TABLE OF CONTENTS 1. GENERAL INFORMATION ---------------------------------------------------------------------------- 2. INFORMATION ABOUT TEST ITEM ---------------------------------------------------------------- 3. TEST REPORT --------------------------------------------------------------------------------------------- 3.1 SUMMARY OF TESTS ------------------------------------------------------------------------------ 3.2 TEST REQUIREMENTS ----------------------------------------------------------------------------- 3.2.1 FIELD STRENGTH OF FUNDAMENTAL AND EMISSIONS WITHIN PERMITTED BAND. -- 3.2.2 RADIATED EMISSIONS ----------------------------------------------------------------------------------- 3.2.3 AC CONDUCTED EMISSION ---------------------------------------------------------------------------- 3.2.4 OCCUPIED CHANNEL BANDWIDTH ----------------------------------------------------------------- 3.2.5 ANTENNA REQUIREMENT ------------------------------------------------------------------------------ APPENDIX I TEST EQUIPMENT USED FOR TESTS --------------------------------------------- 3 4 7 7 8 8 9 10 12 15 16 DEMC#DR50110709B FCC ID: VMDYAY200 Copyright ○ c 2006, DIGITAL EMC Co., Ltd. Page 3 of 18 1. General Information This report contains the result of tests performed by: DIGITAL EMC CO., LTD. Address : 683-3, Yubang-Dong, Yongin-Si, Kyunggi-Do, Korea. 449-080 http://www.digitalemc.com E-mail : [email protected] Tel: +82-31-321-2664 Fax: +82-31-321-1664 Quality control in the testing laboratory is implemented as per ISO/IEC 17025 which is the “General requirements for the competents of calibration and testing laboratory”. This laboratory is accredited by NVLAP and NVLAP Lab. Code is 200559-0. Test operator: engineer September 3, 2007 Won –Jung, LEE Data Name Signature Report Reviewed By: manager September 3, 2007 Harvey Sung Data Name Signature Ordering party: Company name : YUNGS GROUP, INC Address : #303 SWOLLEUNG BLDG, 705-8, Yeoksam-Dong, Gangnam-Gu, , Zip code : 135-080 City/town : Seoul Country : Korea Date of order : June 29, 2007 Attention : Seung Man, LEE DEMC#DR50110709B FCC ID: VMDYAY200 Copyright ○ c 2006, DIGITAL EMC Co., Ltd. Page 4 of 18 2. Information about test item VMDYAY200 2.1 Equipment information Equipment model name YAY200 Type of equipment FM Transmitter Frequency band 88.1 ~ 88..9 MHz Type of antenna Wire Antenna Power DC 3.3 V 2.2 Tested environment Temperature : 15 ~ 35 ( o C) Relative humidity content : 20 ~ 75 % Air pressure : 86 ~ 103 kPa Details of power supply : DC 3.3 V (powered by iPod player) 2.3 Tested frequency Frequency TX RX Low frequency 88.1 MHz - Middle frequency 88.5 MHz - High frequency 88.9 MHz - Note 1. The operating frequency range was verified manually using frequency selection switch. DEMC#DR50110709B FCC ID: VMDYAY200 Copyright ○ c 2006, DIGITAL EMC Co., Ltd. Page 5 of 18 VMDYAY200 2.4 Setup of Configuration of EUT -EUT transmits the real MP3 audio (Rock Song ) from the iPod nano with max volume level. - Support Equipment Equipment Model name Serial Number Manufacturer DATA Cable Power Cable iPod A1199 7J710PPQVQ5 Apple Computer N/A N/A - - - - - - DEMC#DR50110709B FCC ID: VMDYAY200 Copyright ○ c 2006, DIGITAL EMC Co., Ltd. Page 6 of 18 VMDYAY200 2.5 Cabling Configuration EUT Shield Length (m) Connection - - - - - - - - - - - - 2.6 EMI Suppression Device(s)/Modifications EMI suppression device(s) added and/or modifications made during testing Î None DEMC#DR50110709B FCC ID: VMDYAY200 Copyright ○ c 2006, DIGITAL EMC Co., Ltd. Page 7 of 18 3. Test Report 3.1 Summary of tests FCC Part Section(s) Parameter Limit Test Condition Status (note 1) 15.239 Field Strength of Fundamental and Emissions within permitted band. < 250 uV/m @ 3m Radiated C 15.209 Radiated Emission < FCC 15.209 limits Radiated C 15.207 AC Conducted Emissions < FCC 15.207 limits Line Conducted NA 15.239 Occupied channel bandwidth < 200kHz Radiated C 15.203 Antenna Requirement FCC 15.203 - C Note 1: C=Complies NC=Not Complies NT=Not Tested NA=Not Applicable Note 2: Conducted emission test is not applicable because the power of the EUT is supplied from a iPod player. Note 3: The sample was tested according to the following specification: FCC Parts 15.239; ANSI C-63.4-2003 DEMC#DR50110709B FCC ID: VMDYAY200 Copyright ○ c 2006, DIGITAL EMC Co., Ltd. Page 8 of 18 3.2 TEST requirements 3.2.1 Field Strength of Fundamental and Emissions within permitted band. Procedure: The field strength of emissions from intentional radiators operated within the bands 88.1 ~88.9MHz was measured in accordance with FCC Part §15.239. The test set-up was made according to ANSI C 63.4:2003. The EUT was placed on a 0.8m high wooden table inside a shielded semi-anechoic chamber. An antenna was placed a…

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FCC ID: VMDYAY200 View 1