UZCGFT-4000FM Transmitter

MobiFren Co., Ltd.

Application Details

Equipment Class: DXX - Part 15 Low Power Communication Device Transmitter
Date of Grant: Jun 17, 2007
Application Purpose: Original Equipment
Date of Application: Jun 17, 2007
Equipment Note: FM Transmitter
Frequency Range: 88.10000000 - 107.90000000
Company: MobiFren Co., Ltd.
Country: South Korea

Documents & Files

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Users Manual

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Cover Letter(s)

GT Telecom Co., Ltd. Date: May 30, 2007 Compliance Certification Services Certification Division 561F Monterey Road Morgan Hill, CA 95037 To whom it may concern: We, the undersigned, hereby authorize CTK Co., Ltd., 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 CTK Co., Ltd. on our behalf shall have the same effect as acts of our own. We, 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 CTK Co., Ltd. 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) use certification only to indicate the products are certified as being in conformity with specified standards; g) endeavor to ensure that no certificate or report nor any part thereof is used in a misleading manner; h) ensure that any reference to our product certification in communication media such as documents, brochures or advertising, complies with the requirements of the Certification Division; i) keep a record of all complaints made known to the us relating to the product’s compliance with requirements of the relevant standard and to make these records available to the Certification Division when requested; j) take appropriate action with respect to such complaints and any deficiencies found in products or services that affect compliance with the requirements for certification; k) document the actions taken. This authorization is valid until further written notice from the applicant. Sincerely, __________________________ HYO JIN, LEE R&D / Assistant Manager

Cover Letter(s)

848-16 Gupyeong-Dong, Gumi-City, Gyeongbuk, Korea Tel No : +82-54-474-2246 Fax No : +82-31-474-2251 May 30, 2007 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 In re : GT Telecom Co., Ltd. FCC ID : UZCGFT-4000 Request for Confidentiality Gentlemen: Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Schematics, Parts list, Block diagram and Operational 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 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, __________________________ LEE HYO JIN R&D / Assistant Manager

Cover Letter(s)

CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com Inquiry: New Application Grantee: GT Telecom Co., Ltd. FCC ID: UZCGFT-4000 EUT Description: FM Transmitter Equipment Class: DXX Rule Part: 15.239 Below is the answer to the following FCC questions: 1. How does this device operate? The device is DC powered through Vehicle lighter socket . And it is operated in a car. 2. Provide information on the device and its antenna The device is connect to Mobile Ear-Jack and Multimedia devices(MP3,iPodTM,PMP,DMB,Car Navigator etc) audio terminal, transfer altered the audio signal to FM frequency as wireless. Through the FM Radio can enjoy mobile and Multimedia devices with abundant volume and quality. The device has a built in internal antenna to transmit the signal. 3. How is it installed? 1) Plug GFT-4000 to Mobile phone Ear-Jack and Multimedia devices(MP3,iPodTM,PMP,DMB,Car Navigator etc)audio terminal with gender. 2) 9 Channels will be rendered from whole radio Bands(88.1~107.9MHz). Choose one channel from the mentioned 9 channels. 3) Play Mobile MP3, DMB and Multimedia devices (MP3,iPodTM,PMP,DMB,Car Navigator etc) 4) Control the volume.(You can enjoy best quality of volume when you control the car audio volume after volume down 1 or 2 levels from the mobile phone’s max volume) 5) If you are middle of using mobile phone and Multimedia devices (MP3,iPodTM,PMP,DMB,Car Navigator etc) and get a call, just press send. It leads automatically hands-free. 6) With car audio system can enjoy Multimedia devices (MP3,iPodTM,PMP,DMB,Car Navigator etc)with wireless. 7) Become automatic Power Down after 1 minute and when returns to life. CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com 4. What test procedure was used? ANSI C 63.4. 5. If tested in a car, how was it configured/tested? It was not tested in a car, it was tested in a open area test site and chamber, because the device does not use external antenna. Please refer to the test report for more details. 6. Was the tuning range properly verified? Yes, the lowest channel is 88.1MHz, and the highest channel is 107.9MHz. The tuning controls were manually adjusted to verify maximum tuning range. Please also refer to test report. 7. Was the bandwidth properly tested with maximum audio input? Yes, The EUT has an audio input port, so the input port was connected to an MP3 Player which was playing a MP3 song. The volume control of the MP3 Player was set to maximum for the testing. 8. Provide a test report. The report is attached.

Cover Letter(s)

OET Inquiry System Reply to OET Response, Inquiry Tracking Number 614412 Reply to an OET Inquiry Response Currently Display Inquiry Tracking Number: 614412 Contact Information: Customer First Name: Tim Customer Last Name: Dwyer Telephone Number: 860-558-1791 Extension: 0 E-mail Address: Timothy_Dwyer@ieee. org Address: Line 1: Compliance Certification Services Line 2: 47173 Benicia St. P.O. Box: City: Fremont State: California Zip Code: 94538 Country: United States Inquiry Details: First Inquiry Category: TCB Procedures Second Inquiry Category: Permit but Ask Third Inquiry Category: Permit but Ask List #1. FM band modulators / transmitters operating under 15.239 of the FCC rules New Application Grantee: GT Telecom Co., Ltd.FCC ID: PGJVXA-4000 EUT Description: FM Transmitter Equipment Class: DXX Rule Part: 15.239 https://gullfoss2.fcc.gov/oetcf/kdb/forms/ReplyToResponse.cfm (1 of 2)6/12/2007 1:54:32 PM OET Inquiry System Reply to OET Response, Inquiry Tracking Number 614412 Attached please find FCC Permit But Ask questions document and the test report for review. Please advise if it is OK to file 731. Thank you, Tim Dwyer Compliance Certification Services. ---Reply from Customer on 06/04/2007--- There is and error above in the FCCID shown after "New Application Grantee". The correct FCCID is UZCGFT-4000 Response (s): --OET response sent on Jun 12 2007 12:48PM-- Your test report exhibit is in compliance; You need to show your test procedures and the environment and make sure the following requirent are also in compliance before filing your 731: The assembly of Form 731 should be concurrent during the final certification testing of the radio. Exhibits to be electronically attached to Form 731 include: l Form 731 Payment Schedule as specified by Form 159 l Letter of Confidentiality (if applicable) l Users Manual with appropriate FCC Compliance Statements consisting of Part 15 Compliance Statement, Change Warning Statement and RF Exposure Statement l Product Label File detailing FCC ID Number assignment l Theory of Operation l Operational Block Diagram l Detailed Schematics l RF Safety Calculations (if applicable) l External photos of marketed product featuring FCC ID Numbering l Internal photos of PCBs with detailed RF Section photos l Radiated Emissions Test Report l Conducted Emissions Test Report (if applicable) Test samples used during the radiated and conducted emissions testing should be retained during the filing process. Should any of the filing exhibits require a challenge, responses should be based on the original product under test. https://gullfoss2.fcc.gov/oetcf/kdb/forms/ReplyToResponse.cfm (2 of 2)6/12/2007 1:54:32 PM

ID Label/Location Info

Test Report

CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com Test Report No.: 2007050079 Date: May 30, 2007 Page 1 of 25 This Report shall not be reproduced except in full without the written approval of CTK Form No.: CTK-RF-EF-Part15(Rev.2.1) TEST REPORT For FCC Test Report No. : 2007050079 Date of Issue : May 30, 2007 FCC ID : UZCGFT-4000 Model/Type No. : GFT-4000 Kind of Product : FM Transmitter Applicant : GT Telecom Co., Ltd. Applicant Address : 848-16, Gupyeong-Dong, Gumi-City, Gyeongbuk, Korea Manufacturer : GT Telecom Co., Ltd. Manufacturer Address : 848-16, Gupyeong-Dong, Gumi-City, Gyeongbuk, Korea Contact Person : LEE HYO JIN / Junior Engineer Telephone : +82-54-474-2246 Received Date : May 16, 2007 Test Date : May 30, 2007 Test Results : In Compliance Not in Compliance The test results presented in this report relate only to the object tested. CTK Co., Ltd. is accredited by Korea Laboratory Accreditation Scheme (KOLAS) which signed the International Laboratory Accreditation Cooperation (ILAC) Mutual Recognition Arrangement (MRA) for the above test item(s) and test method(s). Tested by Reviewed by Young-Joon, Park EMC Test Engineer James Hong EMC Technical Manager Date: May 30, 2007 Date: May 30, 2007 CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com Test Report No.: 2007050079 Date: May 30, 2007 Page 2 of 25 This Report shall not be reproduced except in full without the written approval of CTK Form No.: CTK-RF-EF-Part15(Rev.2.1) REPORT REVISION HISTORY Date Revision Page No May 30, 2007 Issued (2007050079) All This report shall not be reproduced except in full, without the written approval of CTK Co., Ltd. This document may be altered or revised by CTK Co., Ltd. personnel only, and shall be noted in the revision section of the document. Any alteration of this document not carried out by CTK Co., Ltd. will constitute fraud and shall nullify the document. CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com Test Report No.: 2007050079 Date: May 30, 2007 Page 3 of 25 This Report shall not be reproduced except in full without the written approval of CTK Form No.: CTK-RF-EF-Part15(Rev.2.1) TABLE OF CONTENTS REPORT REVISION HISTORY..........................................................................................2 1.0General Product Description...............................................................................4 1.1Model Differences.............................................................................................4 1.2Device Modifications.........................................................................................4 1.3EUT Configuration(s).........................................................................................5 1.4EUT Exercise....................................................................................................5 1.5Test Software...................................................................................................5 1.6EUT Operating Mode(s).....................................................................................6 1.7 Configuration...................................................................................................7 1.8Calibration Details of Equipment Used for Measurement.........................................8 1.9Test Facility......................................................................................................8 1.10Measurement Procedure....................................................................................8 1.11Laboratory Accreditations and Listings.................................................................9 2.0Emissions Test Regulations............................................................................... 10 2.1Radiated Electric Field Emissions - #1................................................................ 11 2.2Radiated Electric Field Emissions - #2................................................................ 12 2.3200kHz Bandwidth.......................................................................................... 13 2.4Conducted Voltage Emissions – 15.207.............................................................. 15 APPENDIX A – TEST DATA........................................................................................... 16 Radiated Electric Field Emissions - #1...................................................................... 16 APPENDIX B - Test Setup Photos and Configuration......................................................... 17 Radiated Electric Field Emissions............................................................................. 17 APPENDIX C – EUT Photographs................................................................................... 18 EUT External Photographs...................................................................................... 19 EUT Internal Photographs...................................................................................... 21 PCB.................................................................................................................... 22 Photographs related to Label....................................................................................... 24 FCC ID label location.................................................................................................. 25 CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com Test Report No.: 2007050079 Date: May 30, 2007 Page 4 of 25 This Report shall not be reproduced except in full without the written approval of CTK Form No.: CTK-RF-EF-Part15(Rev.2.1) 1.0 General Product Description Product : FM Transmitter Equipment model name : GFT-4000 Serial number : P…

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