Q5KKR-798RR/C 1:6 Racing Car Receiver

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FCC ID: Q5KKR-798R ——————————————————————————————————————————————— Advanced Compliance Lab 6 Randolph Way, Hillsborough, NJ 08876 Tel: (908) 927-9288 Fax: (908) 927-0728 11 4. SYSTEM BLOCK DIAGRAM Figure 4.1 System Block Diagram

Helen Zhao Subject: FW: FW: K & B International Ltd., FCC ID: Q5KKR-798R, Assessment NO.: AN05T4868 6/16/2005 -----Original Message----- From: Weili3 Sent: Thursday, June 16, 2005 11:55 AM To: Helen Zhao Subject: Re: FW: K & B International Ltd., FCC ID: Q5KKR-798R, Assessment NO.: AN05T4868 Hi, Helen. Thanks for your help. Attached are the revised report and user manual per your requirements. Regards, Wei -----Original Message----- From: Compliance Certification Services [mailto:[email protected]] Sent: Wednesday, June 15, 2005 5:36 PM To: Helen Zhao Subject: K & B International Ltd., FCC ID: Q5KKR-798R, Assessment NO.: AN05T4868, Notice#1 Question #1: The last page of the user manual is an FCC regulatory statement. First it is not clear enough, secondly, it says "shielded cable must be used", which is not the case. Please update the user manual Question #2: The test report shows that ANSI C63.4 measurement procedure for a receiver was not followed during the test. Please check section 12.1.1.1 if it is a superregenerative receiver, or 12.1.1.2 otherwise, and redo the test. Question #3: Please note the most current version of ANSI C63.4 is version 2003, instead of 2001 as listed in the test report. Please confirm whether the test was done based on ANSI C63.4: 2003. If so, please update the report. If not, you may need to redo the test. Best Regard, Helen Zhao The items indicated above must be submitted before processing can continue on the above referenced application. Failure to provide the requested information within 30 days of the original e-mail date may result in application dismissal and forfeiture of the filing fee. Also, please note that partial responses increase processing time and should not be submitted. Any questions about the content of this correspondence should be directed to the e-mail address listed below the name of the sender.

FCC ID: Q5KKR-798R ——————————————————————————————————————————————— Advanced Compliance Lab 6 Randolph Way, Hillsborough, NJ 08876 Tel: (908) 927-9288 Fax: (908) 927-0728 15 Figure 7.1 Front View FCC ID: Q5KKR-798R ——————————————————————————————————————————————— Advanced Compliance Lab 6 Randolph Way, Hillsborough, NJ 08876 Tel: (908) 927-9288 Fax: (908) 927-0728 16 Figure 7.2 Cover Open View

FCC ID: Q5KKR-798R ——————————————————————————————————————————————— Advanced Compliance Lab 6 Randolph Way, Hillsborough, NJ 08876 Tel: (908) 927-9288 Fax: (908) 927-0728 8 2. PRODUCT LABELING Figure 2.1 FCC Label Figure 2.2 Location of Label at the bottom of EUT FCC ID: Q5KKR-798R This device complies with part 15 of the FCC Rules. Operating is subject to the followin g two conditions: (1) This device may not cause harmful interference, and (2) this device must accept an y interference received, including interference that may cause undesired operation.

FCC ID: Q5KKR-798R ——————————————————————————————————————————————— Advanced Compliance Lab 6 Randolph Way, Hillsborough, NJ 08876 Tel: (908) 927-9288 Fax: (908) 927-0728 17 Figure 7.3 Cover Open View FCC ID: Q5KKR-798R ——————————————————————————————————————————————— Advanced Compliance Lab 6 Randolph Way, Hillsborough, NJ 08876 Tel: (908) 927-9288 Fax: (908) 927-0728 18 Figure 7.4 Component Side FCC ID: Q5KKR-798R ——————————————————————————————————————————————— Advanced Compliance Lab 6 Randolph Way, Hillsborough, NJ 08876 Tel: (908) 927-9288 Fax: (908) 927-0728 19 Figure 7.5 Foil Side

ELECTROMAGNETIC EMISSION COMPLIANCE REPORT of RADIO CONTROL 1:6 RACING CAR RECEIVER MODEL: KR-798(RX) FCC ID: Q5KKR-798R June 14, 2005 This report concerns (check one): Original grant x Class II change Equipment type: Superregenerative Receiver Deferred grant requested per 47 CF 0.457(d)(1)(ii)? yes no x If yes, defer until: (date) Company agrees to notify the Commission by (date) of the intended date of announcement of the product so that the grant can be issued on that date. Transition Rules Request per 15.37? yes no x If no, assumed Part 15, Subpart B for unintentional radiators - the new 47 CFR [10-1-90 Edition] provision. Report prepared for: K&B INTERNATIONAL LTD. Report prepared by: Advanced Compliance Lab Report number: 0048-050614-01R The test result in this report IS supported and covered by the NVLAP accreditation 6 Randolph Way Hillsborough, NJ 08844 Tel: (908) 927 9288 Fax: (908) 927 0728 Advanced Compliance Laboratory FCC ID: Q5KKR-798R ——————————————————————————————————————————————— Advanced Compliance Lab 6 Randolph Way, Hillsborough, NJ 08876 Tel: (908) 927-9288 Fax: (908) 927-0728 2 Table of Contents Report Cover Page .........................................................................................................1 Table of Contents ...........................................................................................................2 Figures.............................................................................................................................3 1. GENERAL INFORMATION ...................................................................................4 1.1 Verification of Compliance .........................................................................4 1.2 Equipment Modifications............................................................................5 1.3 Product Information....................................................................................6 1.4 Test Methodology.........................................................................................6 1.5 Test Facility ..................................................................................................6 1.6 Test Equipment ............................................................................................6 1.7 Statement of the Document Use..................................................................7 2. PRODUCT LABELING............................................................................................8 3. SYSTEM TEST CONFIGURATION ......................................................................9 3.1 Justification ..................................................................................................9 3.2 Special Accessories.......................................................................................9 3.3 Configuration of Tested System .................................................................9 4. SYSTEM SCHEMATICS/BLOCK DIAGRAM.....................................................11 5. RADIATED EMISSION DATA ...............................................................................12 5.1 Field Strength Calculation ..........................................................................12 5.2 Test Methods and Conditions .....................................................................12 5.3 Test Data .......................................................................................................12 6. PHOTOS OF TESTED EUT ....................................................................................15 FCC ID: Q5KKR-798R ——————————————————————————————————————————————— Advanced Compliance Lab 6 Randolph Way, Hillsborough, NJ 08876 Tel: (908) 927-9288 Fax: (908) 927-0728 3 Figures Figure 2.1 FCC Label ...................................................................................................8 Figure 2.2 Location of Label on Back of the EUT ......................................................8 Figure 3.1 Radiated Test Setup, Position 1..................................................................10 Figure 4.1 EUT Schematics ...........................................................................................11 Figure 6.1 Front View....................................................................................................15 Figure 6.2 Bottom View .................................................................................................16 Figure 6.3 Cover Open View.........................................................................................17 Figure 6.4 Component Side ...........................................................................................18 Figure 6.5 Foil Side ........................................................................................................19 FCC ID: Q5KKR-798R ——————————————————————————————————————————————— Advanced Compliance Lab 6 Randolph Way, Hillsborough, NJ 08876 Tel: (908) 927-9288 Fax: (908) 927-0728 4 1. GENERAL INFORMATION 1.1 Verification of Compliance EUT: RADIO CONTROL 1:6 RACING CAR RECEIVER Model: KR-798(RX) Applicant: K&B INTERNATIONAL LTD.. RM406, 4/F., EMPIRE CENTRE, NO. 68 MODY RD., TST EAST, KOWLOON, HONGKONG Test Type: FCC Part 15C CERTIFICATION Result: PASS Tested by: ADVANCED COMPLIANCE LABORATORY Test Date: Oct. 20, 2004 Report Number: 0048-050614-01R The above equipment was tested by Compliance Laboratory, Advanced Technologies, Inc. for compliance with the requirement set forth in the FCC rules and regulations Part 15, subpart C. This said equipment in the configuration described in the report, shows the maximum emission levels emanating from equipment are within the compliance requirements. The estimated uncertainty of the test result is given as following. The method of uncertainty calculation is provided in Advanced Compliance Lab. Doc. No. 0048-01-01. Prob. Dist.Uncertainty(dB) Uncertainty(dB) Uncertainty(dB) 30-1000MHz 1-6.5GHz Conducted Combined Std. Uncerta…

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FCC ID: Q5KKR-798R ——————————————————————————————————————————————— Advanced Compliance Lab 6 Randolph Way, Hillsborough, NJ 08876 Tel: (908) 927-9288 Fax: (908) 927-0728 10 Figure 3.1 Radiated Test Setup