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MQDMIL538TRC Toy Transmitter with 'Spy' Receiver

Million Industrial Ltd
RC Toy Transmitter with 'Spy' Receiver - FCC ID MQDMIL538T - Million Industrial Ltd
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Application Details

Equipment Class
DXT - Part 15 Low Power Transceiver, Rx Verified
Date of Grant
Mar 02, 2004
Application Purpose
Original Equipment
Date of Application
Mar 02, 2004
Equipment Note
RC Toy Transmitter with 'Spy' Receiver
Frequency Range
27.14500000 - 27.14500000
Company
Million Industrial Ltd
Country
Hong Kong

Documents & Files

Select a file to view

Users Manual

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Block Diagram

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External Photos

ID Label/Location Info

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Internal Photos

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Operational Description

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Schematics

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Test Report

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Test Setup Photos

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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

JP-46338 Remote Car Instruction Manual FEATURES: CAR LENGTH: 180 MM FUNCTIONS: Forward, Turn left, Turn right, Stop Reverse left, Reverse right, Headlights. BATTERY INSTALLATION • Open the battery compartment cover at the bottom of the car, install four "AA" nickel Cadmium or Alkaline batteries, whereas, for the transmitter, use one 9V battery. • Make sure the polarity (+ and -) is correct. • Use Nickel Cadmium or Alkaline batteries instead of the ordinary type can achieve the best performance for your car. OPERATION • Extend the antenna of the controller to full length. • For maximum range of control always keep the antennae straight up and hold the transmitter at upright position. • Set the power switch of car to "ON" position. • Use two hands to operate the control sticks. On the left hand side, the level control the car to go forward and backward, whereas, the right hand side lever controls it's forward and backward turning actions. • Attempt to operate the forward/backward action, and turning action at the same time. • Plug the earphone into the earphone jack. You can receive the voice nearby the car, This is called "SPY". • If the car does not go straight, adjust the 'ALIGNMENT' at the bottom of the car. • When not in use, switch OFF the car. If you do not intend to use the car for a long time, remove the batteries, weak or dead batteries can leak damaging chemicals. • For best performance, use alkaline batteries. HINTS • Since the unit operates on 27 MHz, you may experience interference from CB radio, which is in the same band of frequencies. Under such conditions, better change location or wait until interference ceases. Also two or more R/C cars (or other devices) cannot operate in the same area, they may interfere each other. • Range of operating distance will depend on surroundings, buildings, and large metal objects. You will obtain better performance in open area. • Never operate your car in the street, in water, sand, or on thick carpet, do not allow it to go through rain, rust can be formed inside hair or dust. Remove such materials from the wheel bearings carefully. • Do not allow the car to fall off a high sledge, a fall might damage it. • Never disassemble your car or the transmitter. • Do not store the car either near a source of heat or in direct sun for an extended period. NOTE: THE MANUFACTURER IS NOT RESPONSIBLE FOR ANY RADIO OF TV INTERFERENCE CAUSED BY UNAUTHORIZED MODIFICATIONS TO THIS EQUIPMENT SUCH MODIFICATIONS COULD VOID THE USER'S AUTHORITY TO OPERATE THE EQUIPMENT. "Modifications not authorized by the manufacturer may void users authority to operate this device" NOTE: This equipment has been tested and found to comply with limits fos a Class B digital device,pursuant to Part 15 of the FCC Rules.These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and cad radiate radio frequency energy and,If not installed and used in accordance with the instruction, may cause harmful interference to radio communications.However,these is no guarantee that interference will not occur in a particular installation.If this equipment does cause harmful interference to radio or television reception,which can be determined by turning the equipment off and on, the user is encouraged to try to correct this interference by one or more of the following measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. -- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -- Consult the dealer or an experienced radio/TV technician for help. BATTERY DOOR BATTERY FOR REMOTE DEVICE ON/OFF LED EARPHONE BUD OF REMOTE DEVICE TURN FORWARD/BACK OF REMOTE DEVICE TURN LEFT/RIGHT BATTERY FOR CAR BATTERY DOOR ANTENNA ALIGNMENT ON/OFF SWITCH BACK WHEEL FRONT WHEEL MICROPHONE HEADLIGHT ANTENNA

ID Label/Location Info

LABEL LOCATION BOTTOM VIEW OF THE DEVICE WITH FCC ID LABEL FCC ID label

Internal Photos

PHOTOGRAPH OF THE PRODUCT INNER CIRCUIT TOP VIEW INNER CIRCUIT BOTTOM VIEW

Operational Description

FCC ID: MQDMIL538T Circuit Description The 27.145MHz crystal oscillator drives the base of Q2 the final/buffer amplifier. The modulation provided by IC. The output of Q2 has the matching network consisting of L1 and C1 that limit the harmonic content and effect the proper coupling of the antenna to the output stage. Antenna, Ground and Power Source The antenna consists of a 10.5cm long telescoping chrome over brass tubing. There is no external ground connection. The ground is only that of the printed circuit board. Electric current is supplied by a 9 Volt (“6F22” size battery x 1) primary battery

Test Report

Date: 2004-02-19 TEST REPORT Page 1 of 19 No.: HM112603 FCC PART 15 SUBPART C CERTIFICATION REPORT FOR LOW POWER TRANSMITTER TEST REPORT No.: HM112603 Equipment Under Test [EUT]: Walkie Talkie Model Number: MIL538T Applicant: Million Industrial Ltd. FCC ID : MQDMIL538T Date: 2004-02-19 TEST REPORT Page 2 of 19 No.: HM112603 CONTENT: Cover Page 1 of 19 Content Page 2-3 of 19 Conclusion Page 4 of 19 1.0 General Details 1.1 Test Laboratory Page 5 of 19 1.2 Applicant Details Page 5 of 19 Applicant HKSTC Code Number for Applicant Manufacturer 1.3 Equipment Under Test [EUT] Page 6 of 19 Description of EUT operation 1.4 Date of Order Page 6 of 19 1.5 Submitted Sample Page 6 of 19 1.6 Test Duration Page 6 of 19 1.7 Country of Origin Page 6 of 19 1.8 Additional Information of EUT Page 7 of 19 2.0 Technical Details 2.1 Investigations Requested Page 8 of 19 2.2 Test Standards and Results Summary Page 8 of 19 3.0 Test Results 3.1 Emission Page 9-12 of 19 3.2 Bandwidth Measurement Page 13-14 of 19 Date: 2004-02-19 TEST REPORT Page 3 of 19 No.: HM112603 Appendix A List of Measurement Equipment Page 15 of 19 Appendix B Duty Cycle Correction During 100 msec Page 16-17 of 19 Appendix C Photographs Page 18-19 of 19 Date: 2004-02-19 TEST REPORT Page 4 of 19 No.: HM112603 CONCLUSION The submitted product was deemed to have COMPLIED with the requirements of Federal Communications Commission [FCC] Rules and Regulations Part 15. The tests were performed in accordance with the standards described above and on Section 2.2 in this Test Report. Verified by Ivan Toa K C Lee for Chief Executive Date: 2004-02-19 TEST REPORT Page 5 of 19 No.: HM112603 1.0 General Details 1.1 Test Laboratory The Hong Kong Standards and Testing Centre Ltd. EMC Laboratory 10 Dai Wang Street, Taipo Industrial Estate New Territories, Hong Kong Telephone: 852 2666 1888 Fax: 852 2664 4353 1.2 Applicant Details Applicant MILLION INDUSTRIAL LTD. Flat A, 9/F., Rodeo Centre 73-79 Larch St., Tai Kok Tsui, Kowloon, Hong Kong. HKSTC Code Number for Applicant MII001 Manufacturer MILLION INDUSTRIAL LTD. Flat A, 9/F., Rodeo Centre 73-79 Larch St., Tai Kok Tsui, Kowloon, Hong Kong. Date: 2004-02-19 TEST REPORT Page 6 of 19 No.: HM112603 1.3 Equipment Under Test [EUT] Description of Sample Product: Walkie Talkie Manufacturer: Million Industrial Ltd. Brand Name: MILLION Model Number: MIL538T Input Voltage: 9Vd.c (“6F22” size battery x 1) 1.3.1 Description of EUT Operation The Equipment Under Test (EUT) is an Million Industrial Ltd., Walkie Talkie The transmitter is a 2 button transmitter. The EUT continues to transmit while button is being pressed, Modulation by IC. and tape is pulses modulation. 1.4 Date of Order 2004-01-15 1.5 Submitted Sample(s): 1 Sample per model 1.6 Test Duration 2004-02-09 1.7 Country of Origin China Date: 2004-02-19 TEST REPORT Page 7 of 19 No.: HM112603 1.8 Additional Information of EUT Submitted Not Available User Manual Part List Circuit Diagram Printed Circuit Board [PCB] Layout Block diagram FCC ID Label Date: 2004-02-19 TEST REPORT Page 8 of 19 No.: HM112603 2.0 Technical Details 2.1 Investigations Requested Perform ElectroMagnetic Interference measurement in accordance with FCC 47CFR [Codes of Federal Regulations] Part 15 and ANSI C63.4:2000 for FCC Certification. 2.2 Test Standards and Results Summary Tables EMISSION Results Summary Test Condition Test Requirement Test Method Class / Test Result Severity Pass Failed N/A Field Strength of Fundamental Emissions & Spurious Emissions FCC 47CFR 15.227 ANSI C63.4:2000 N/A Radiated Emissions, 30MHz to 1GHz FCC 47CFR 15.209 ANSI C63.4:2000 Class B Conducted Emissions on AC, 0.15MHz to 30MHz FCC 47CFR 15.207 ANSI C63.4:2000 Class B Note: N/A - Not Applicable Date: 2004-02-19 TEST REPORT Page 9 of 19 No.: HM112603 3.0 Test Results 3.1 Emission 3.1.1 Radiated Emissions (30 – 1000MHz) Test Requirement: FCC 47CFR 15.227 Test Method: ANSI C63.4:2000 Test Date: 2004-02-09 Mode of Operation: On mode Test Method: The sample was placed 0.8m above the ground plane on the OATS *. Measurements in both horizontal and vertical polarities were performed. During the test, each emission was maximized by: having the EUT continuously working, investigated all operating modes, rotated about all 3 axis (X, Y & Z) and considered typical configuration to obtain worst position, manipulating interconnecting cables, rotating turntable, varying antenna height from 1m to 4m in both horizontal and vertical polarizations. The emissions worst-case are shown in Test Results of the following pages. *: OATS [Open Area Test Site] located at HKSTC with a metal ground plane filed with the FCC pursuant to section 2.948 of the FCC rules, with Registration Number: 90657. Test Setup: EUT Pre-Amplifier Distance = 3m Receiver Turn Table Computer Ground Plane Date: 2004-02-19 TEST REPORT Page 10 of 19 No.: HM112603 Limits for Field Strength of Fundamental Emissions [FCC 47CFR 15.227]: Frequency Range of Fundamental Field Strength of Fundamental Emission [Peak] Field Strength of Fundamental Emission [Average] [MHz] [ μ V/m] [ μ V/m] 26.96-27.28 100,000 10,000 Results: FrequencyCorrectionLimit @3mE-Field FactorPolarity MHzdB μ V/m μ V/m 27.1528.8021.950.7342.8100,000Vertical Field Strength of Fundamental Emissions Peak Value Measured Level @3m Field Strength μ V/mdB μ V/m Field Strength dB μ V/m FrequencyCorrectionLimit @3mE-Field FactorPolarity MHzdB μ V/m μ V/m *27.1520.821.942.7136.510,000Vertical μ V/mdB μ V/m Field Strength dB μ V/m Field Strength of Fundamental Emissions Average Measured Level @3m Field Strength According to FCC 47CFR15.35, the limit on the radio frequency emissions as measured using instrumentation with a peak detector function, corresponding to 20dB above the maximum permitted average limit for the frequency being investigated unless a different peak emission limit is otherwise specified in the rules. Remarks: *: Adjusted by Duty Cycle = -8dB Correction Factor included Antenna Factor and Cable Attenua…

Text truncated - open the document above for the full version.

Test Report

-----Original Message----- From: alice_wong [mailto:[email protected]] Sent: Sunday, February 29, 2004 8:16 PM To: MET - Chris Harvey; MET - Marianne; [email protected] Cc: EMC - KC; EED - Kitty; EMC - Steven Subject: RE: Question for Million FCC ID: MQDMIL538T MT#15143 Hi Chris / Marianne, Please see following for answer. Would you tell me, i need revise the report's photo or not? Thanks Best Regards Alice -----Original Message----- From: Kit [mailto:[email protected]] Sent: Monday, March 01, 2004 8:47 AM To: alice_wong Subject: RE: Question for Million FCC ID: MQDMIL538T MT#15143 -----Original Message----- From: alice_wong [mailto:[email protected]] Sent: Saturday, February 28, 2004 12:21 PM To: EMC - MK Law Cc: EMC - KC; EED - Kitty; EMC - Steven Subject: FW: Question for Million FCC ID: MQDMIL538T MT#15143 Dear Kit, Please reply. Thanks Best Regards Alice -----Original Message----- From: Chris Harvey [mailto:[email protected]] Sent: Saturday, February 28, 2004 1:58 AM To: Alice Wong Cc: Marianne Bosley; Kitty Choy Subject: RE: Question for Million FCC ID: MQDMIL538T MT#15143 Alice, I have completed the review of this application and have another question: I can not see the ‘earphone bud’ in the test setup photo, nor referenced in the test report. This is listed in the Users Manual and the connector is visible in the internal photos. Was an earphone bud connected during the test? Please respond to both questions directly to [email protected]. Best regards, Chris Harvey -----Original Message----- From: Chris Harvey [mailto:[email protected]] Sent: Thursday, February 26, 2004 11:52 PM To: Alice Wong @ hkstc ([email protected]) Cc: 'Marianne Bosley' Subject: Question for Million FCC ID: MQDMIL538T MT#15143 Alice, I have a quick question regarding this application as I am reviewing. This device appears to be a 27.145MHz Remote Control Toy Transmitter that also contains a (26.69MHz ?) audio receiver. If this is the case please explain how the transmitter was operated and how the receiver was operated in accordance with ANSI C63.4:2001. This is not clear in the report. Best regards, Chris Harvey [email protected]

Test Setup Photos

TEST SET UP PHOTOGRAPH OF THE PRODUCT MEASUREMENT OF RADIATED EMISSION TEST SET UP

Contact Information

Applicant

S. C. Wong(Managing Director)
852 2396-2098Fax: 852 2392-8192

Test Firm

Hong Kong Standards & Testing Cen.Wilson Wong
[email protected]852-2666-1888Fax: 852-2664-4353

Technical Specifications

#Rule PartsFrequency RangePower Output
115C27.145 MHz - 27.145 MHz-

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