ZH4K335Bluetooth Wireless Keyboard

FCC ID: ZH4K335 IMPORTANT REGULATORY INFORMATION This device complies with Part 15 of the FCC Rules: Operation is subject to the following two conditions: 1. This device may not cause harmful interference and 2. This device must accept any interference that is received, including any interference that may cause undesired operation. WARNING: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

May.07, 2011 Federal Communication Commission Authorization and Evaluation Division FCC ID: ZH4K335 Re: Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, the applicant hereby requests confidential treatment of information applied this application as outlined below: 1: Block Diagram 2: Circuit Diagram 3: Parts List The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rules 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Hui Ye Title: Director of Product Management TEL:+86-13600430009

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Operational Description FCC ID ZH4K335 EUT is a Bluetooth Wireless Keyboard designed as an “Communication Device ”. It is designed by way of utilizing the FHSS technology to achieve the system operation. Operating Frequency 2402 – 2480 MHz Rated Output Power -0.02dBm CMOS chip BCM2042 Modulation GFSK Number of Channels 79 Channel Separation 1 MHz Antenna Designation Integrated Antenna Antenna Gain 0.8 dBi Power Supply DC 3.7 V by Built-in Li-ion Battery or by USB Port. (Data transfer is not Supported)

FCC Test Report Report No.: AGC 06E110402‐2F2B FCC ID : ZH4K335 PRODUCT DESIGNATION : Bluetooth Wireless Keyboard BRAND NAME : N/A TEST MODEL : K335 CLIENT : SHENZHEN YUANDA ELECTRONIC CO., LTD DATE OF ISSUE : May.4, 2011 STANDARD(S) : FCC Part 15 Rules Attestation of Global Compliance Co., Ltd. CAUTION: This report shall not be reproduced except in full without the written permission of the test laboratory and shall not be quoted out of context. Report No.: AGC06E110402-2F2B Page 1 of 43 VERIFICATION OF COMPLIANCE Applicant SHENZHEN YUANDA ELECTRONIC CO., LTD NO.2 Building, 2 nd Industrial zone, Tiegang village, XiXiang town, Baoan district, Shenzhen, China Manufacturer SHENZHEN YUANDA ELECTRONIC CO., LTD NO.2 Building, 2 nd Industrial zone, Tiegang village, XiXiang town, Baoan district, Shenzhen, China Product Designation Bluetooth Wireless Keyboard Brand Name N/A Model Name K335 FCC ID ZH4K335 Report Number AGC06E110402-2F2B Date of Test Apr.26, 2011 to May.3, 2011 WE HEREBY CERTIFY THAT: The above equipment was tested by Attestation of Global Compliance Co., Ltd. The test data, data evaluation, test procedures, and equipment configurations shown in this report were made in accordance with the procedures given in ANSI C63.4 (2003) and the energy emitted by the sample EUT tested as described in this report is in compliance with radiated emission limits of FCC Rules Part 15.247. Checked By: Curoky Chen May.4, 2011 Authorized By Forrest Lei May.4, 2011 Report No.: AGC06E110402-2F2B Page 2 of 43 TABLE OF CONTENTS 1. GENERAL INFORMATION ........................................................................................................................................... 4 1.1 PRODUCT DESCRIPTION ...................................................................................................................................... 4 1.2 TABLE OF CARRIER FREQUENCYS ................................................................................................................... 4 1.3 RECEIVER INPUT BANDWIDTH ........................................................................................................................... 4 1.4 EXAMPLE OF A HOPPING SEQUENCY IN DATA MODE ................................................................................ 5 1.5 EQUALLY AVERAGE USE OF FREQUENCIES AND BEHAVIOUR ............................................................... 5 1.6 RELATED SUBMITTAL(S) / GRANT (S) ............................................................................................................... 5 1.7 TEST METHODOLOGY ........................................................................................................................................... 5 1.8 TEST FACILITY ......................................................................................................................................................... 6 1.9 SPECIAL ACCESSORIES ....................................................................................................................................... 6 1.10 EQUIPMENT MODIFICATIONS ........................................................................................................................... 6 2. SYSTEM TEST CONFIGURATION ............................................................................................................................. 7 2.1 CONFIGURATION OF TESTED SYSTEM ........................................................................................................... 7 2.2 EQUIPMENT USED IN TESTED SYSTEM .......................................................................................................... 7 3. SUMMARY OF TEST RESULTS ................................................................................................................................. 8 4. DESCRIPTION OF TEST MODES .............................................................................................................................. 8 5. PEAK OUTPUT POWER ............................................................................................................................................... 9 5.1 MEASUREMENT PROCEDURE ............................................................................................................................ 9 5.2 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) ............................................................................. 9 5.3 MEASUREMENT EQUIPMENT USED ............................................................................................................... 10 5.4 LIMITS AND MEASUREMENT RESULT ............................................................................................................ 10 6 20 DB BANDWIDTH ..................................................................................................................................................... 11 6.1 MEASUREMENT PROCEDURE .......................................................................................................................... 11 6.2 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) ........................................................................... 11 6.3 MEASUREMENT EQUIPMENT USED ............................................................................................................... 11 6.4 LIMITS AND MEASUREMENT RESULTS ......................................................................................................... 11 7 CONDUCTED SPURIOUS EMISSION ...................................................................................................................... 13 7.1 MEASUREMENT PROCEDURE .......................................................................................................................... 13 7.2 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) ........................................................................... 13 7.3 MEASUREMENT EQUIPMENT USED ....................................................................…

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PHOTOGRAPHS OF THE TEST SETUP CONDUCTED EMISSION RADIATED EMISSION