PM8AC-100CAR MP3 Player

BWS TECH Inc. 1 of 1 294-7 Jungdae-Dong, Kwanggu-Si,Kyunggi-Do, 464-800, Korea Report No: BWS-04-RF-0015 FCC ID : PM8AC-100 Date of Test : June 28,2004 AL Tech, Inc. CAR MP3 AC-100 Appendix 5. Block Diagram Main RF Board

BWS TECH Inc. 1 of 1 294-7 Jungdae-Dong, Kwanggu-Si,Kyunggi-Do, 464-800, Korea Report No: BWS-04-RF-0015 FCC ID : PM8AC-100 Date of Test : June 28,2004 AL Tech, Inc. CAR MP3 AC-100 Appendix 5. Block Diagram Main RF Board

S1417F FM MPX TRANSMITTER MODULE BLOCK DIAGRAM [email protected] SECUGENE Co.,Ltd MPX ENCORDER BH1417F Q2VCO Q4AMP LPF Q3 Q5CHARGEPUMP AUDIO IN L-R FREQUENCY CONTROL SET [ FM MPX TRANSMITTER BLOCK DIAGRAM ] SECUGENE Co.,Ltd ANT DC 5V Q1RefXtal SECUGENE Co.,Ltd ③BANDSW ④ VCO for base bandand modulation part ⑤RFPowerAMPand LPF ⑥RefOSC ①MPXmodulator ② VCO Charge pump ① ⑥ ⑤ ④ ③ ② ⑦ Frequency selector ⑦ SECUGENE Co.,Ltd 1. FM STEREO TRANSMITTER CONCEPTION & Functions 1-1 SUMMARYThis USB HOST MP3 player are stereo transmits (MP3, WMA file, etc) to FM radi o Transmision Frequency are selectable 13CH(in 87.5~108MHz)1-2 Main Functions of FM TransmitterWhen the power is ON then it's transmitte to setted CH frequency. 2. Type of radio station This weak power radio station is available for Car Audio,Home Audio, FM Radio in order that may accomplish education, entertainmen t purpose . 3. Specification of FM Transmitting Block 3-1 General specifications1) Current Dissipation : 35mA Max2) Supply Voltage : DC5V3) Dimension : (H)4mm X (W)30mm X (D)30mm4) Environment·Storage Temperature : -30°C ∼ +80°C·Operating Temperature : -10°C ∼ +60°C5) Antenna·Gain : -3dBi·Length : 50Cm Helical·Output Impedance : 50Ω 3-2 Electrical Specific ation(Transmitter) 1) Type of emission : FM(F3E)2) Duplex : Only transmit SECUGENE Co.,Ltd 3) RF output level : under 450uV/m at 3m4) Frequency range : 87.7MHz 87.9MHz 88.1MHz 88.3MHz 88.5MHz 88.7MHz 88.9 MHz 106.7MHz 106.9MHz 107.1MHz 107.3MHz 107.5MHz 107.9MHz5) Frequency stability : ±5PPM6)Number of Channel : 14channel7) Channel space : 200kHz8) frequency deviation : ± 75 kHz 9) Oscillation type : PLL VCO10) frequency drift [after 30min : ± 100 Hz 11) Audio input frequency range : : 6dB/OCT 20Hz ∼ 15kHz 12) pre-emphasis : 75μs 13) Spurious : -65dBc under14) Total Harmonic Distortion : 0.1％ typical15) RF out matching impedance : 50Ω16) Function : RF oscillator & audio frequency SECUGENE Co.,Ltd

BWS TECH Inc. 1 of 2 294-7 Jungdae-Dong, Kwanggu-Si,Kyunggi-Do, 464-800, Korea Report No: BWS-04-RF-0015 FCC ID : PM8AC-100 Date of Test : June 28,2004 AL Tech, Inc. CAR MP3 AC-100 Appendix 3. External Photographs BWS TECH Inc. 2 of 2 294-7 Jungdae-Dong, Kwanggu-Si,Kyunggi-Do, 464-800, Korea Report No: BWS-04-RF-0015 FCC ID : PM8AC-100 Date of Test : June 28,2004 AL Tech, Inc. CAR MP3 AC-100

BWS TECH Inc. 1 of 1 294-7 Jungdae-Dong, Kwanggu-Si,Kyunggi-Do, 464-800, Korea Report No: BWS-04-RF-0015 FCC ID : PM8AC-100 Date of Test : June 28,2004 AL Tech, Inc. CAR MP3 AC-100 Appendix 2. Internal Photographs of EUT Product Label Sample with FCC ID Label information Following is a sample copy of the label that will be placed on the rear cabinet of the product. The FCC identifier is marked in the product label. The warning statement and information to the user are described in the user manual. Label Location The label shown above shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase.(Labeling requirements per 2.925) AL Tech, Inc. Car MP3 Player Model : CAR MP3 AC-100 FCC ID : PM8AC-100 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. FCC LABEL

BWS TECH Inc. 1 of 1 294-7 Jungdae-Dong, Kwanggu-Si,Kyunggi-Do, 464-800, Korea Report No: BWS-04-RF-0015 FCC ID : PM8AC-100 Date of Test : June 28,2004 AL Tech, Inc. CAR MP3 AC-100 Appendix 4. Internal Photographs

BWS TECH Inc. 1 of 2 294-7 Jungdae-Dong, Kwanggu-Si,Kyunggi-Do, 464-800, Korea Report No: BWS-04-RF-0015 FCC ID : PM8AC-100 Date of Test : June 28,2004 AL Tech, Inc. CAR MP3 AC-100 Appendix 9. Operational Description BWS TECH Inc. 2 of 2 294-7 Jungdae-Dong, Kwanggu-Si,Kyunggi-Do, 464-800, Korea Report No: BWS-04-RF-0015 FCC ID : PM8AC-100 Date of Test : June 28,2004 AL Tech, Inc. CAR MP3 AC-100

BWS TECH Inc. 1 of 19 294-7 Jungdae-Dong, Kwanggu-Si,Kyunggi-Do, 464-800, Korea Report No: BWS-04-RF-0015 FCC ID : PM8AC-100 Date of Test : June 28,2004 AL Tech, Inc. CAR MP3 AC-100 Electromagnetic Emission FCC MEASUREMENT REPORT FCC PART 15 SUBPART C FOR LOW POEWR TRANSMITTER PRODUCT : CAR MP3 Player MODEL/TYPE NO : CAR MP3 AC-100 FCC ID : PM8AC-100 TRADE NAME : AL Tech. Inc. APPLICANT : AL Tech. Inc. Haesung Bldg.1F 747-2, Yoksam-Dong, Kangnam-Gu, Seoul, Korea, 153-080 Attn. : Jung Woo, Kim / Engineer FCC CLASSIFICATION : DXX- Part 15 Low Power Communication Device Transmitter FCC RULE PART(S) : FCC Part 15 Subpart C Section 15.239 FCC PROCEDURE : Certification DATES OF TEST : June 28, 2004 DATES OF ISSUE : July 05, 2004 TEST REPORT No. : BWS-04-RF-0015 TEST LAB. : BWS Tech., Inc. (Registration No. : 553281) This Car MP3 Player has been tested in accordance with the measurement procedures specified in ANSI C63.4-2000 at the BWS TECH/EMC Test Laboratory and has been shown to be complied with the electromagnetic radiated emission limits specified in FCC Rule Part15 Subpart C Section15.239 I attest to the accuracy of data. All measurement herein was 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 vouc h for the qualifications of all persons taking them. The results of testing in this report apply to the product/system, which was tested only. Other similar equipment will not necessarily produce the same results due to production tolerance and measurement uncertainties. TaeHyun Nam Chief of Laboratory Division BWS TECH Inc. BWS TECH Inc. www.bws.co.kr 294-9, Jungdae-Dong, Kwangju-Si, Kyunggi-Do, 464-080, Korea TEL: +82 31 762 0124 FAX: +82 31 762 0126 BWS TECH Inc. www.bws.co.kr 294-7, Jungdae-Dong, Kwangju-Si, Kyunggi-Do, 464-080, Korea TEL: +82 31 764 0125 FAX: +82 31 764 0126 BWS TECH Inc. 2 of 19 294-7 Jungdae-Dong, Kwanggu-Si,Kyunggi-Do, 464-800, Korea Report No: BWS-04-RF-0015 FCC ID : PM8AC-100 Date of Test : June 28,2004 AL Tech, Inc. CAR MP3 AC-100 TABLE OF CONTENTS Pages 1. General Information 3 2. Description of Test Facility 4 3. Product Information 5 4. Description of Tests 6~7 5. Test Condition 8 6. Test Results 9~17 7. Sample Calculation and Other Information 18 8. Test Equipment List 19 Appendix 1. Test Setup Photos Appendix 2. FCC ID Label and location Appendix 3. External Photos of EUT Appendix 4. Internal Photos of EUT Appendix 5. Block Diagram Appendix 6. Schematics Appendix 7. Layout Diagram Appendix 8. Part-list Appendix 9. Operational Description Appendix 10. User Manual BWS TECH Inc. 3 of 19 294-7 Jungdae-Dong, Kwanggu-Si,Kyunggi-Do, 464-800, Korea Report No: BWS-04-RF-0015 FCC ID : PM8AC-100 Date of Test : June 28,2004 AL Tech, Inc. CAR MP3 AC-100 FCC TEST REPORT Scope – Measurement and determination of electromagnetic emission(EME) of radio frequency devices including intentional radiators and/or unintentional radiators for compliance with the technical rules and regulations of the U.S Federal Communications Commission(FCC) 1. General Information Applicant Manufacturer z EUT Type : CAR MP3 Player z Model Number : CAR MP3 AC-100 z FCC Identifier : MP8-AC100 z S/N : Prototype z Freq. Range : 88.1 MHz to 88.9 MHz & 106.7 MHz to 107.9 MHz z Channel : 12 Ch. z Modulation Method : FSK z FCC Rule Part(s) : Part 15 Subpart C Section 15.239 z Test Procedure : ANSI C63.4-2000 z Dates of Tests : July 05, 2004 z Place of Tests : BWS TECH Inc. EMC Testing Lab (FCC Registration Number : 553281) 294-7, Jungdae-Dong, Kwangju-Si, Kyunggi-Do, 464-080, Korea TEL: +82 31 764 0125 FAX: +82 31 764 0126 z Test Report No. zBWS-04-RF-0015 Company Name : AL Tech. Inc. Company Address : Haesung Bldg.1F 747-2, Yoksam-Dong, Kangnam-Gu, Seoul, Korea, 153-080 Phone/Fax : Phone : +82-2-566-5093 Fax : +82-2-566-6186 Company Name : AL Tech. Inc. Company Address : Haesung Bldg.1F 747-2, Yoksam-Dong, Kangnam-Gu, Seoul, Korea, 153-080 Phone/Fax : Phone : +82-2-566-5093 Fax : +82-2-566-6186 BWS TECH Inc. 4 of 19 294-7 Jungdae-Dong, Kwanggu-Si,Kyunggi-Do, 464-800, Korea Report No: BWS-04-RF-0015 FCC ID : PM8AC-100 Date of Test : June 28,2004 AL Tech, Inc. CAR MP3 AC-100 2. Description of Test Facility The measurement for radiated emission test were practiced at the open area test site of BWS TECH Inc. Measurement for conducted emission test were practiced at the semi EMC Anechoic Chamber test site of BWS TECH Inc. facility located at 294-9, Jungdae-Dong, Kwangju-Si, Kyunggi-Do, Korea. The site is constructed in conformance with the requirements of the ANSI C63.4-2000 and CISPR Publication 16. The BWS TECH measurement facility has been filed to the Commission with the FCC for 3 and 10-meter site configurations. Detailed description of test facility was found to be in compliance with the requirements of Section 2.948 FCC Rules according to the ANSI C63.4-2000 and registered to the Federal Communications Commission (Registration Number : 553281 ). The measurement procedure described in American National Standard for Method of Measurement of Radio-Noise Emission from Low-Voltage Electrical and Electronic Equipment in the Range of 9kHz to 40GHz (ANSI C.63.4-2000) was used in determining radiated emissions from the AL Tech. Inc. CAR MP3 Player Model : CAR MP3 AC-100. BWS TECH Inc. 5 of 19 294-7 Jungdae-Dong, Kwanggu-Si,Kyunggi-Do, 464-800, Korea Report No: BWS-04-RF-0015 FCC ID : PM8AC-100 Date of Test : June 28,2004 AL Tech, Inc. CAR MP3 AC-100 3. Product Information 3.1 Equipment Description The Equipment Under Test (EUT) is RF transmitter by the AL Tech. Inc. CAR MP3 Player model: CAR MP3 AC-100 (FCC ID: PM8AC-100). This product allows to play mp3 file in a Removable USB memory like AnyDrive. In addition, it transmits mp3 music by FM frequency to FM Radio. 3.2 General Specification 3.2.1 General Specifications - Current Dissipation 35mA Max - Supply Voltage 12Vdc - Dimension…

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BWS TECH Inc. 1 of 1 294-7 Jungdae-Dong, Kwanggu-Si,Kyunggi-Do, 464-800, Korea Report No: BWS-04-RF-0015 FCC ID : PM8AC-100 Date of Test : June 28,2004 AL Tech, Inc. CAR MP3 AC-100 Appendix 1. Test Setup Photographs Radiated Emission Fundamental & Harmonics Test Setup