
Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
CPU Powe r Functions settin g Potentiom e ter coder Oscillate Antenna Am p litude m odulate 27.145MHZ Crystal oscillator Hi g h-fre. am p lif y
CHENGHAI HENGLONG PLASTIC TOYS CO.,LTD. Page 1 of 1 Date: Aug 17 2006 RF.: Grant of Authorization for FCC ID: XXXHENGLONGEOC Dear Sirs, This is the letter of Confirmation to declare the product and frequency information as following: Product name: R/C OIL CAR、ELECTRICAL CAR (TRANSMITTER, RECEIVER,ELECTRONIC ACTIYATOR,DRIVE) Model numbers : 3851-1,3851-2,3851-3,3851-4,3851-5,3850-1,3850-2, 3850-3,3850-4,3850-5 For 27MHz frequency band which apply for FCC Certification, it will use 4 frequencies: 27.095,27.145,27.195,27.225MHz. This R/C OIL CAR、ELECTRICAL CAR (TRANSMITTER, RECEIVER,ELECTRONIC ACTIYATOR,DRIVE) operating frequencies are crystal-controlled. All products are shipped from the manufacturer with their crystal installed. Yours Sincerely 2006-8-21 PDF created with FinePrint pdfFactory Pro trial version http://www.pdffactory.com
PHOTOGRAPH OF THE PRODUCT FRONT VIEW OF THE PRODUCT REAR VIEW OF THE PRODUCT
PHOTOGRAPH OF THE PRODUCT INNER CIRCUIT TOP VIEW INNER CIRCUIT BOTTOM VIEW
Circuit Description In transmitter,function setting directive input IC 7 pin ,IC 11(L R),12BFpin collect voltage of two potentiometer and coder , through IC 6 pin output simulation coder mixing signal ,and the signal amplitude modulate 27.145MHZ frequency oscillator, after modulate and high-frequency amplify, and output to antenna. Antenna, Ground and Power Source The receive antenna consists of a 965mm 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 8X1.5v primary battery in transmitter.
STC Test Report Date : 2006-08-14 Page 1 of 24 No. : HM157171 The Hong Kong Standards and Testing Centre Ltd. 10 Dai Wang Street, Taipo Industrial Estate, N.T., Hong Kong Tel: (852) 2666 1888 Fax: (852) 2664 4353 Homepage: www.hkstc.org E-mail: [email protected] This report shall not be reproduced unless with prior written approval from the Hong Kong Standards and Testing Centre Ltd. For full text of “Conditions of Issuance of Test Report”, please refer to overleaf or refer to the website of Homepage. Applicant: CHENGHAI HENGLONG PLASTIC TOYS CO., LTD. NINGCHUAN ROAD, CHENGHAI DISTRICT, SHANTOU CITY Description of Samples: Model name: R/C OIL CAR, ELECTRICAL CAR (TRANSMITTER, RECEIVER, ELECTRONIC ACTIYATOR, DRIVE) Model no.: 3851-1 Brand name: N/A FCC ID: UI8HENGLONGEOC Date Samples Received: 2006-08-03 Date Tested: 2006-08-08 Investigation Requested: FCC Part 15 Subpart C Conclusions: The submitted product 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. Remarks: For additional models details, see page 5. TSANG Chi Ho, Steven, EMD For and on behalf of The Hong Kong Standards and Testing Centre Ltd. STC Test Report Date : 2006-08-14 Page 2 of 24 No. : HM157171 The Hong Kong Standards and Testing Centre Ltd. 10 Dai Wang Street, Taipo Industrial Estate, N.T., Hong Kong Tel: (852) 2666 1888 Fax: (852) 2664 4353 Homepage: www.hkstc.org E-mail: [email protected] This report shall not be reproduced unless with prior written approval from The Hong Kong Standards and Testing Centre Ltd. For Conditions of Issuance of this test report, please refer to the overleaf or Homepage CONTENT: Cover Page 1 of 24 Content Page 2-3 of 24 1.0 General Details 1.1 Test Laboratory Page 4 of 24 1.2 Applicant Details Page 4 of 24 Applicant HKSTC Code Number for Applicant Manufacturer 1.3 Equipment Under Test [EUT] Page 5 of 24 Description of EUT operation 1.4 Date of Order Page 5 of 24 1.5 Submitted Samples Page 5 of 24 1.6 Test Duration Page 5 of 24 1.7 Country of Origin Page 5 of 24 2.0 Technical Details 2.1 Investigations Requested Page 6 of 24 2.2 Test Standards and Results Summary Page 6 of 24 3.0 Test Results 3.1 Emission Page 7-16 of 24 3.2 Bandwidth Measurement Page 17-19 of 24 STC Test Report Date : 2006-08-14 Page 3 of 24 No. : HM157171 The Hong Kong Standards and Testing Centre Ltd. 10 Dai Wang Street, Taipo Industrial Estate, N.T., Hong Kong Tel: (852) 2666 1888 Fax: (852) 2664 4353 Homepage: www.hkstc.org E-mail: [email protected] This report shall not be reproduced unless with prior written approval from The Hong Kong Standards and Testing Centre Ltd. For Conditions of Issuance of this test report, please refer to the overleaf or Homepage Appendix A List of Measurement Equipment Page 20 of 24 Appendix B Duty Cycle Correction During 100 msec Page 21-22 of 24 Appendix C Photographs Page 23-24 of 24 STC Test Report Date : 2006-08-14 Page 4 of 24 No. : HM157171 The Hong Kong Standards and Testing Centre Ltd. 10 Dai Wang Street, Taipo Industrial Estate, N.T., Hong Kong Tel: (852) 2666 1888 Fax: (852) 2664 4353 Homepage: www.hkstc.org E-mail: [email protected] This report shall not be reproduced unless with prior written approval from The Hong Kong Standards and Testing Centre Ltd. For Conditions of Issuance of this test report, please refer to the overleaf or Homepage 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 CHENGHAI HENGLONG PLASTIC TOYS CO., LTD. NINGCHUAN ROAD, CHENGHAI DISTRICT, SHANTOU CITY Manufacturer CHENGHAI HENGLONG PLASTIC TOYS CO., LTD. NINGCHUAN ROAD, CHENGHAI DISTRICT, SHANTOU CITY STC Test Report Date : 2006-08-14 Page 5 of 24 No. : HM157171 The Hong Kong Standards and Testing Centre Ltd. 10 Dai Wang Street, Taipo Industrial Estate, N.T., Hong Kong Tel: (852) 2666 1888 Fax: (852) 2664 4353 Homepage: www.hkstc.org E-mail: [email protected] This report shall not be reproduced unless with prior written approval from The Hong Kong Standards and Testing Centre Ltd. For Conditions of Issuance of this test report, please refer to the overleaf or Homepage 1.3 Equipment Under Test [EUT] Description of Sample Model Name: R/C OIL CAR, ELECTRICAL CAR (TRANSMITTER, RECEIVER, ELECTRONIC ACTIYATOR, DRIVE) Manufacturer: CHENGHAI HENGLONG PLASTIC TOYS CO., LTD. Brand Name: N/A Model Number: 3851-1 Additional Model Number: 3851-2, 3851-3, 3851-4, 3850-1, 3850-2, 3850-3, 3850-4 Rating: 12Vd.c (“AA” size battery x 8) 1.3.1 Description of EUT Operation The Equipment Under Test (EUT) is a CHENGHAI HENGLONG PLASTIC TOYS CO., LTD., R/C OIL CAR, ELECTRICAL CAR (TRANSMITTER, RECEIVER, ELECTRONIC ACTIYATOR, DRIVE). The transmitter is a 2 joystick transmitter. The EUT continues to transmit while joystick is being pressed, It is pulse transmitter, Modulation by IC, and type is pulse modulation. 1.4 Date of Order 2006-08-03 1.5 Submitted Sample(s): 1 Samples per model 1.6 Test Duration 2006-08-08 1.7 Country of Origin China STC Test Report Date : 2006-08-14 Page 6 of 24 No. : HM157171 The Hong Kong Standards and Testing Centre Ltd. 10 Dai Wang Street, Taipo Industrial Estate, N.T., Hong Kong Tel: (852) 2666 1888 Fax: (852) 2664 4353 Homepage: www.hkstc.org E-mail: [email protected] This report shall not be reproduced unless with prior written approval from The Hong Kong Standards and Testing Centre Ltd. For Conditions of Issuance of this test report, please refer to the overleaf or Homepage 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 C63.4:2003 for FCC Certification. 2.2 Test Standards and Results Summary Tables EMISSION Results S…
Text truncated - open the document above for the full version.
TEST SET UP PHOTOGRAPH OF THE PRODUCT MEASUREMENT OF RADIATED EMISSION TEST SET UP
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 4 | 15C | 27.225 MHz - 27.225 MHz | - |

Radio Control Toy Transmitter (2.4GHz)
Equipment Class
DXX - Part 15 Low Power Communication Device Transmitter
tank
Equipment Class
DXX - Part 15 Low Power Communication Device Transmitter