RKGRF988Wireless Headphone

OPERATING MANUAL FCC ID:RKGRF988 WIREESS HEADPHONE TRANSMITTER WIRELESS HEADPHONE System: UHF/RF Carrier frequency: 926MHZ,926.8MHZ,927.5MHZ Modulation: FM Mode: Stereo S/N ratio: ≥75dB Distortion: <1% Frequency response: 50-15000HZ Impedance: 32 Ohms Sensitivity: -88dBm±3dB RF988·OPERATING MANUAL HI-FI STEREO WIRELESS HEADPHONE Channel selection switch Power supply jack Audio frequency power switch LO for 50m and above HI for 300m and above OFF for power off Audio input jack 1. Plug into the adapter 2. Power on the transmitter with DC plug 3. Connect the transmitter to audio source with an audio cable 4 Turn on headphones to listen to the audio 5. Press the power key once on headphones to change channels. CONNECTION WAY FEATURES TECHNICAL SPECIFICATION • RF Silent Disco wireless headphone with three channels • • • One transmitter can connect to more than numerous headphones simutaneously With reception through wall and ceiling Operation distance up to 300m Power saving system makes the headphone power off automatically if no signal detected for 10 minutes • POWER indicator LED ON/OFF / SWITCH FOR changing channels Long press for turn on or turn off Press once to change chennels Vol+ / Vol- Push up for Volume + Push down for Volume - USB charging port 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.

Jan.2, 2013 Federal Communication Commission Authorization and Evaluation Division FCC ID: RKGRF988 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: Operational Description 4: 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, Silent Productionz Contact: Campbell Hatch Title: Founder&Director

PHOTOGRAPHS OF THE EUT WHOLE VIEW OF EUT TOP VIEW OF EUT BOTTOM VIEW OF EUT FRONT VIEW OF EUT BACK VIEW OF EUT LEFT VIEW OF EUT RIGHT VIEW OF EUT

FCC ID Label Location Wireless Headphone MODEL: RF988 FCC ID: RKGRF988 BRAND: Silent Productionz

OPEN VIEW-1 OF EUT INTERNAL VIEW-1 OF EUT INTERNAL VIEW-2 OF EUT INTERNAL VIEW-3 OF EUT INTERNAL VIEW-4 OF EUT

Report No.: AGC22A121201F2 Page 1 of 25 FCC Part 15 Test Report Report No.: AGC22A121201F2 FCC ID : RKGRF988 PRODUCT DESIGNATION : Wireless Headphone BRAND NAME : Silent Productionz MODEL NAME : RF988 CLIENT : Silent Productionz DATE OF ISSUE : Dec.27, 2012 STANDARD(S) : FCC Part 15 Rules REPORT VERSION : V 1.0 Attestation of Global Compliance (Shenzhen) 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.: AGC22A121201F2 Page 2 of 25 VERIFICATION OF COMPLIANCE Applicant: Silent Productionz Ricky Fairchild 4523 Junius Street, Dallas, Texas USA 75246 Manufacturer: Lanyinda Electronic Technology (HK) Limited 5A, Bldg2, Anle Industrial park, Hezhou, Xixiang, Baoan, Shenzhen, Guangdong, China Product Designation: Wireless Headphone Brand Name: Silent Productionz Model Name: RF988 Hardware Version: V91 Software Version: 1.0 Report No.: AGC22A121201F2 Date of Test: Dec.20, 2012 to Dec.25, 2012 WE HEREBY CERTIFY THAT: The above equipment was tested by Attestation of Global Compliance (Shenzhen) Co., Ltd. The data evaluation, test procedures, and equipment configurations shown in this report were made in accordance with the procedures given in ANSI C 63.4:2003. The sample tested as described in this report is in compliance with the FCC Rules Part 15 requirements The test results of this report relate only to the tested sample identified in this report. Tested by Wall Huang Dec.27, 2012 Checked By Forrest Lei Dec.27, 2012 Authorized By Solger Zhang Dec.27, 2012 Report No.: AGC22A121201F2 Page 3 of 25 TABLE OF CONTENTS 1. GENERAL INFORMATION .................................................................................................................. 4 1.1 PRODUCT DESCRIPTION ............................................................................................................. 4 1.3 TEST METHODOLOGY ................................................................................................................. 5 1.4 TEST FACILITY .............................................................................................................................. 5 1.5 SPECIAL ACCESSORIES .............................................................................................................. 5 1.6 EQUIPMENT MODIFICATIONS ..................................................................................................... 5 2. SYSTEM TEST CONFIGURATION ..................................................................................................... 6 2.1 EUT CONFIGURATION .................................................................................................................. 6 2.2 EUT EXERCISE ............................................................................................................................. 6 2.3 GENERAL TECHNICAL REQUIREMENTS .................................................................................... 6 2.4 CONFIGURATION OF TESTED SYSTEM .................................................................................... 6 3. SUMMARY OF TEST RESULTS ......................................................................................................... 7 4. DESCRIPTION OF TEST MODES ....................................................................................................... 8 5. CONDUCTED LIMITS .......................................................................................................................... 9 5.1 PROVISIONS APPLICABLE ........................................................................................................... 9 5.2 MEASUREMENT PROCEDURE .................................................................................................... 9 5.3 TEST SETUP BLOCK DIAGRAM ................................................................................................. 10 5.4 TEST EQUIPMENT USED ............................................................................................................ 10 5.5 TEST RESULT .............................................................................................................................. 11 6. RADIATED EMISSION ....................................................................................................................... 13 6.1 PROVISIONS APPLICABLE ......................................................................................................... 13 6.2 MEASUREMENT PROCEDURE ................................................................................................... 13 6.3 TEST SETUP BLOCK DIAGRAM ................................................................................................. 13 6.4 TEST INSTRUMENTS .................................................................................................................. 14 6.5 TEST RESULT .............................................................................................................................. 15 APPENDIX I ........................................................................................................................................... 19 PHOTOGRAPHS OF SETUP ................................................................................................................ 19 APPENDIX II .......................................................................................................................................... 20 EXTERNAL VIEW OF EUT .................................................................................................................... 20 Report No.: AGC22A121201F2 Page 4 of 25 1. GENERAL INFORMATION 1.1 PRODUCT DESCRIPTION A major technical description of EUT is described as following: Modulation FM Antenna Designation A permanent fixed antenna, which is integrated, designed as an indispensable part of the EUT. Power Supply DC 3.7V by lithium battery Operation Frequency 926MHz, 926.8…

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PHOTOGRAHS OF THE TEST SETUP CONDUCTION TEST SETUP RADIATED TEST SETUP