WL9KT212.4GHz Radio Control system

Neutron Engineering Inc. Project No.: 0912C049 Page 2 of 6 0912C049 0912C049 Neutron Engineering Inc. Project No.: 0912C049 Page 2 of 6 0912C049 0912C049

30* 36mm

Neutron Engineering Inc. Project No.: 0912C049 Page 3 of 6 0912C049 0912C049 Neutron Engineering Inc. Project No.: 0912C049 Page 3 of 6 0912C049 0912C049 Neutron Engineering Inc. Project No.: 0912C049 Page 4 of 6 0912C049 0912C049 Neutron Engineering Inc. Project No.: 0912C049 Page 4 of 6 0912C049 0912C049 Neutron Engineering Inc. Project No.: 0912C049 Page 5 of 6 0912C049 0912C049 Neutron Engineering Inc. Project No.: 0912C049 Page 5 of 6 0912C049 0912C049 Neutron Engineering Inc. Project No.: 0912C049 Page 6 of 6 0912C049

Neutron Engineering Inc. Report No.: NEI-FCCP-1-0912C049 Page 2 of 54 Declaration Neutron represents to the client that testing is done in accordance with standard procedures as applicable and that test instruments used has been calibrated with the standards traceable to National Measurement Laboratory (NML) of R.O.C., or National Institute of Standards and Technology (NIST) of U.S.A. Neutron's reports apply only to the specific samples tested under conditions. It is manufacture’s responsibility to ensure that additional production units of this model are manufactured with the identical electrical and mechanical components. Neutron shall have no liability for any declarations, inferences o r generalizations drawn by the client or others from Neutron issued reports. Neutron’s reports must not be used by the client to claim product endorsement by the authorities or any agency of the Government. This report is the confidential property of the client. As a mutual protection to the clients, the public and Neutron-self, extracts from the test report shall not be reproduced except in full with Neutron’s authorized written approval. Neutron’s laboratory quality assurance procedures are in compliance with the ISO Guide 17025 requirements, and accredited by the conformity assessment authorities listed in this test report. Limitation For the use of the authority's logo is limited unless the Test Standard(s)/Scope(s)/Item(s) mentioned in this test report is (are) included in the conformity assessment authorities acceptance respective. Neutron Engineering Inc. Report No.: NEI-FCCP-1-0912C049 Page 3 of 54 Table of Contents Page 1 . CERTIFICATION 5 2 . SUMMARY OF TEST RESULTS 6 2.1 TEST FACILITY 7 2.2 MEASUREMENT UNCERTAINTY 7 3 . GENERAL INFORMATION 8 3.1 GENERAL DESCRIPTION OF EUT 8 3.2 DESCRIPTION OF TEST MODES 10 3.3 TABLE OF PARAMETERS OF TEXT SOFTWARE SETTING 11 3.4 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 11 3.5 DESCRIPTION OF SUPPORT UNITS 12 4 . EMC EMISSION TEST 13 4.1 CONDUCTED EMISSION MEASUREMENT 13 4.1.1 POWER LINE CONDUCTED EMISSION LIMITS 13 4.1.2 MEASUREMENT INSTRUMENTS LIST AND SETTING 13 4.1.3 TEST PROCEDURE 14 4.1.4 DEVIATION FROM TEST STANDARD 14 4.1.5 TEST SETUP 14 4.1.6 EUT OPERATING CONDITIONS 14 4.1.7 TEST RESULTS 15 4.2 RADIATED EMISSION MEASUREMENT 16 4.2.1 RADIATED EMISSION LIMITS 16 4.2.2 MEASUREMENT INSTRUMENTS LIST ANS SETTING 17 4.2.3 TEST PROCEDURE 19 4.2.4 DEVIATION FROM TEST STANDARD 19 4.2.5 TEST SETUP 20 4.2.6 EUT OPERATING CONDITIONS 20 4.2.7 TEST RESULTS (BETWEEN30 – 1000 MHZ) 21 4.2.8 TEST RESULTS (ABOVE 1000 MHZ) 23 4.2.9 TEST RESULTS (RESTRICTED BANDS REQUIREMENTS) 35 5 . BANDWIDTH TEST 39 5.1 APPLIED PROCEDURES / LIMIT 39 5.1.1 MEASUREMENT INSTRUMENTS LIST 39 5.1.2 TEST PROCEDURE 39 5.1.3 DEVIATION FROM STANDARD 39 5.1.4 TEST SETUP 40 5.1.5 EUT OPERATION CONDITIONS 40 Neutron Engineering Inc. Report No.: NEI-FCCP-1-0912C049 Page 4 of 54 Table of Contents Page 5.1.6 TEST RESULTS 41 6 . PEAK OUTPUT POWER TEST 43 6.1 APPLIED PROCEDURES / LIMIT 43 6.1.1 MEASUREMENT INSTRUMENTS LIST 43 6.1.2 TEST PROCEDURE 43 6.1.3 DEVIATION FROM STANDARD 43 6.1.4 TEST SETUP 43 6.1.5 EUT OPERATION CONDITIONS 43 6.1.6 TEST RESULTS 44 7 . ANTENNA CONDUCTED SPURIOUS EMISSION 45 7.1 APPLIED PROCEDURES / LIMIT 45 7.1.1 MEASUREMENT INSTRUMENTS LIST 45 7.1.2 TEST PROCEDURE 45 7.1.3 DEVIATION FROM STANDARD 45 7.1.4 TEST SETUP 45 7.1.5 EUT OPERATION CONDITIONS 46 7.1.6 TEST RESULTS 47 8 . POWER SPECTRAL DENSITY TEST 49 8.1 APPLIED PROCEDURES / LIMIT 49 8.1.1 MEASUREMENT INSTRUMENTS LIST 49 8.1.2 TEST PROCEDURE 49 8.1.3 DEVIATION FROM STANDARD 49 8.1.4 TEST SETUP 49 8.1.5 EUT OPERATION CONDITIONS 49 8.1.6 TEST RESULTS 50 9 . RF EXPOSURE TEST 52 9.1 APPLIED PROCEDURES / LIMIT 52 9.1.1 MPE CALCULATION METHOD 52 9.1.2 DEVIATION FROM STANDARD 52 9.1.3 EUT OPERATION CONDITIONS 52 9.1.4 TEST RESULTS 53 10 . EUT TEST PHOTO 54 Neutron Engineering Inc. Report No.: NEI-FCCP-1-0912C049 Page 5 of 54 1. CERTIFICATION E q u i p m e n t : 2.4GHz Radio Control system Brand Name : Kyosho Model Name : KT21 A p p l i c a n t : ShenZhen ART-TECH R/C Hobby Co., Ltd. F a c t o r y : ShenZhen ART-TECH R/C Hobby Co., Ltd. A d d r e s s : 3/F,No.1 Wanyelong Industrial Park,Liyuan Industrial Area, Tangtou Village, Shiyan Town, Baoan District, Shenzhen City, China Date of Test : Dec. 07, 2009 ~ Dec. 16, 2009 T e s t I t e m : ENGINEERING SAMPLE Standards : FCC Part15, Subpart C(15.247) / ANCI C63.4 : 2003 The above equipment has been tested and found compliance with the requirement of the relative standards by Neutron Engineering Inc. EMC Laboratory. The test data, data evaluation, and equipment configuration contained in our test report (Ref No. NEI-FCCP-1-0912C049) were obtained utilizing the test procedures, test instruments, test sites that has been accredited by the Authority of NVLAP and TAF according to the ISO-17025 quality assessment standard and technical standard(s). Neutron Engineering Inc. Report No.: NEI-FCCP-1-0912C049 Page 6 of 54 2. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: FCC Part15 (15.247) , Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission - Note(2) 15.247 (c) Antenna conducted Spurious EmissionPASS 15.247 (a)(2) 6dB Bandwidth PASS 15.247 (b) Peak Output Power PASS 15.247 (c) Radiated Spurious Emission PASS 15.247 (d) Power Spectral Density PASS 15.203 Antenna Requirement PASS 1.1307 1.1310 2.1091 2.1093 RF Exposure Compliance PASS NOTE: (1)” N/A” denotes test is not applicable in this Test Report (2) The EUT use new battery Neutron Engineering Inc. Report No.: NEI-FCCP-1-0912C049 Page 7 of 54 2.1 TEST FACILITY The test facilities used to collect the test data in this report is C01/OS02 at the location of No.132-1, Lane 329, Sec. 2, Palian Road, Shijr City, Taipei, Taiwan. Neutron's test firm number is 95335 2.2 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U，where expended uncertainty U is based…

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Neutron Engineering Inc. Report No.: NEI-FCCP-1-0912C049 Page 54 of 54 10. EUT TEST PHOTO Radiated Measurement Photos Neutron Engineering Inc. Report No.: NEI-FCCP-1-0912C049 Page 54 of 54 10. EUT TEST PHOTO Radiated Measurement Photos