UHEWODDON-RC08SMART PHONE CONTROLLED TANK

Confidentiality Request Letter Page 1 of 2 Confidentiality Request Letter Revision History Reason for Amendment (current / obsolete) From To Approved Date Initial Release (obsolete) 1.0 1.0 Nov-14-2006 Adding CFR 2.459 (obsolete) 1.0 2.0 August – 11 - 2008 Updated company template & Added text box (current) 2.0 3.0 Jan-31-2012 Confidentiality Request Letter Page 2 of 2 WODDON INDUSTRIAL LIMITED (2012-09-03) To: Federal Communications Commission Office of Engineering and Technology Equipment Authorization Division 7345 Oakland Mills Road Columbia, Maryland 21046 Subject: Permanent Confidentiality Request for FCC ID: UHEWODDON-RC08 We hereby request confidential treatment of information accompanying this application as outlined below: - Block diagram - Operation description - Schematic The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 & 0.459 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Signature Stary Huang/General Manager E-mail: : [email protected] Phone: 86-755-25855666 Fax: 86-755-82119850 Address : 15/F, Dongfang Building, No.2110 Dongmenzhong Road, Luohu District, Shenzhen, China

Product Name: SMART PHONE CONTROLLED TANK Item No.: WD0570I FCC ID: UHEWODDON-RC08

Label Location Proposed Label Location on EUT

BT Module Antenna

SHENZHEN EMTEK CO., LTD. REPORT NO: ES120820131E FCC ID: UHEWODDON-RC08 DATE: 08/31/2012 Page 1 of 41 ELECTROMAGNETIC EMISSIONS COMPLIANCE REPORT INTENTIONAL RADIATOR CERTIFICATION TO FCC PART 15 SUBPARTC REQUIREMENT OF SMART PHONE CONTROLLED TANK MODELNo.:WD0570I, WD0571I, WD0572I, WD0573I, WD0574I, WD0575I, WD0576I, WD0577I, WD0578I, WD0579I, WD0580I, WD0581I, WD0582I, WD0583I, WD0584I, WD0585I, WD0586I, WD0587I, WD0588I, WD0589I BRAND NAME: WODDON FCC ID: UHEWODDON-RC08 REPORT NO: ES120820131E ISSUE DATE: August 31, 2012 Prepared for WODDON INDUSTRIAL LIMITED 15/F, Dongfang Building, No.2110 Dongmenzhong Road, Luohu District, Shenzhen, China Prepared by SHENZHEN EMTEK CO., LTD Bldg 69, Majialong Industry Zone, Nanshan District, Shenzhen, Guangdong, China TEL : 86-755-26954280 FAX: 86-755-26954282 SHENZHEN EMTEK CO., LTD. REPORT NO: ES120820131E FCC ID: UHEWODDON-RC08 DATE: 08/31/2012 Page 3 of 41 Ta b l e o f C o n t e n t s 1. GENERAL INFORMATION ................................................................................................. 5 1.1 PRODUCT DESCRIPTION........................................................................................................................... 5 1.2 RELATED SUBMITTAL(S) / GRANT (S) ..................................................................................................... 5 1.3 TEST METHODOLOGY.............................................................................................................................. 5 1.4 SPECIAL ACCESSORIES............................................................................................................................ 5 1.5 EQUIPMENT MODIFICATIONS.................................................................................................................. 5 1.6 TEST FACILITY........................................................................................................................................ 6 2. SYSTEM TEST CONFIGURATION .................................................................................... 7 2.1 EUT CONFIGURATION............................................................................................................................. 7 2.2 EUT EXERCISE........................................................................................................................................ 7 2.3 TEST PROCEDURE.................................................................................................................................... 7 2.4 LIMITATION............................................................................................................................................. 7 2.5 CONFIGURATION OF TESTED SYSTEM................................................................................................... 11 2.6 EQUIPMENT USED IN TESTED SYSTEM................................................................................................... 11 2.7 DESCRIPTION OF TEST MODES................................................................................................................ 12 3. SUMMARY OF TEST RESULTS ....................................................................................... 13 4. CONDUCTED EMISSIONS TEST ..................................................................................... 14 4.1 MEASUREMENT PROCEDURE:................................................................................................................ 14 4.2 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) ....................................................................... 14 4.3 MEASUREMENT EQUIPMENT USED: ...................................................................................................... 14 4.4 CONDUCTED EMISSION LIMIT................................................................................................................ 14 4.5 MEASUREMENT RESULT:....................................................................................................................... 15 4.6 CONDUCTED MEASUREMENT PHOTOS: ...................................................................................................... 15 5. RADIATED EMISSION TEST ............................................................................................ 16 5.1 MEASUREMENT PROCEDURE................................................................................................................. 16 5.2 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) ....................................................................... 17 5.3 MEASUREMENT EQUIPMENT USED: ...................................................................................................... 18 5.4 MEASUREMENT RESULT........................................................................................................................ 19 5.5 RADIATED MEASUREMENT PHOTOS: ......................................................................................................... 23 6. CHANNEL SEPARATION TEST ....................................................................................... 25 6.1 MEASUREMENT PROCEDURE................................................................................................................. 25 6.2 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) ....................................................................... 25 6.3 MEASUREMENT EQUIPMENT USED: ...................................................................................................... 25 6.4 MEASUREMENT RESULTS:..................................................................................................................... 25 7. BANDWIDTH TEST ............................................................................................................. 28 7.1 MEASUREMENT PROCEDURE................................................................................................................. 28 7.2 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) .......................…

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Radiated Measurement Photos: