TPX-QT6AT3 CHANNEL MODEL RADIO CONTROL SYSTEM

CONFIDENTIALITY FORM Date: April 25, 2006 Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Gentlemen: This letter is to comply with Section 0.457(d)(2)(i) and 0.459 pertaining to confidential material. Shenzhen QQF Science & Technology Co., Ltd. would like the following documents regarding this submission for FCC ID: TPX-QT6AT to be kept confidential. 1. Schematic 2. Block Diagram 3. Operational Description 4. Parts List 5. Tune Up Info The above material contains trade secrets or technical data, which would customarily be guarded from competitors. We do not want these documents to be accessible to the general public. Sincerely, Peter Lin / Engineer

Report No.: WT068000565 1 Photo 1 Front View photo Photo 2 Rear View photo

Applicant Name: Shenzhen QQF Science & Technology Co., Ltd. FCC ID: TPX-QT6AT 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. Proposed Label Location on EUT EUT Bottom View/Proposed FCC Label Location FCC ID: TPX-QT6AT

Report No.: WT068000565 1 Photo 3 inter photo Photo 4 PCB photo Report No.: WT068000565 2 Photo 5 PCB photo

EMC TEST REPORT For 3 channel model radio control system Model Number: QT6AT FCC ID: TPX-QT6AT Report Number : WT068000565 Test Laboratory : Shenzhen Academy of Metrology and Quality Inspection EMC Laboratory Site Location : Bldg. of Metrology &Quality Inspection, Longzhu Road, Shenzhen, Guangdong, China Tel : 0086-755-26941637, 26941531 Fax : 0086-755-26941545 Report No.: WT068000565 Page 2/11 TABLE OF CONTENTS Description Page Test Report Certification 1. TEST RESULTS.................................................................................................................4 2. GENERAL INFORMATION............................................................................................4 2.1. Description of EUT..............................................................................................................4 2.2. Test Facility..........................................................................................................................5 3. TEST EQUIPMENT..........................................................................................................5 3.1. For Conducted Disturbance Test...............................................................................................5 3.2. For Radiated Disturbance Test.................................................................................................5 4. RADIATED EMISSION MEASUREMENT....................................................................6 4.1. Block Diagram of Test Setup....................................................................................................6 4.2. Test Procedure.........................................................................................................................7 4.3. Operating Condition of EUT.....................................................................................................7 4.4. Test Data.................................................................................................................................7 5. FREQUENCY STABILITY...............................................................................................8 5.1. Block Diagram of Test Setup....................................................................................................8 5.2. Test Standard and Limit...........................................................................................................8 5.3. Test Procedure.........................................................................................................................8 5.4. Test Data.................................................................................................................................9 6. BAND EDGES TESTING................................................................................................10 6.1 Test Procedure..............................................................................................................................10 6.2 Test Equipment.............................................................................................................................10 6.3 Test Results..................................................................................................................................10 7. 7. POWER CAPABILITY...............................................................................................11 7.1 Provisions Applicable....................................................................................................................11 7.2 Compliance...................................................................................................................................11 Report No.:WT068000565 Page3/11 CERTIFICATE Applicant : Shenzhen QQF Science & Technology Co., Ltd. Address : 1/F, Bldg 104, Nanyou No.1 Industrial Zone Nanshan District, Shenzhen, China Manufacturer : Shenzhen QQF Science & Technology Co., Ltd. Address : 1/F, Bldg 104, Nanyou No.1 Industrial Zone Nanshan District, Shenzhen, China EUT Description : 3 channel model radio control system Model No : QT6AT Test Standards: FCC PART 95, SUBPART C & E : 2004 FCC PART 2, SUBPART J : 2004 ANSI C63.4 2003 The EUT described above is tested by Shenzhen Academy of Metrology and Quality Inspection EMC Laboratory to determine the maximum emissions from the EUT. Shenzhen Academy of Metrology and Quality Inspection EMC Laboratory is assumed full responsibility for the accuracy of the test results. Also, this report shows that the EUT technically complies with FCC requirements. The test report is valid for above tested sample only and shall not be reproduced in part without written approval of the laboratory. Tested by : Date : April 15, 2006 (Peter Lin) Approved by : Date : April 25, 2006 (Apollo Liu) Report No.: WT068000565 Page 4/11 1. TEST RESULTS Table 1 Test Results Test Items Test Results 95.210(a) Transmitter Power Test Pass 95.635 Unwanted Radiated Test Pass 95.623(c) Frequency Stability Test Pass 95.633(b) Emission Bandwidth Test Pass 95.647 Transmitter antenna Pass 95.649 Power capability Pass Note: FCC Part2, Paragraph 2.1033(c)(8) The dc voltages applied to and dc currents into the several elements of the final radio frequency amplifying device for normal operation over the power range: 12VDC, Current 250mA. 2. GENERAL INFORMATION 2.1. Description of EUT Description : 3 channel model radio control system Model Number : QT6AT Applicant : Shenzhen QQF Science & Technology Co., Ltd. Manufacturer : Shenzhen QQF Science & Technology Co., Ltd. Transmitter: Working Frequency : 72.790MHz Emission Designator : 7K65F1D Transmitting Power : -10.6dBm Power Supply : DC12V Adaptor: Input Power: N/A Output Power: N/A The system is FM proportional radio control system. According to FCC Part 95 Section 95.647, the antenna of each R/C station transmitting in 72~76 MHz band, must be an integral part of the transmitter. The antenna must have no gain and must be vertically polarized. The system’s rod anten…

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Report No.: WT068000565 Photo 1 test photo Photo 2 test photo