T8XWKKBDK2388UWOLFKING keyboard

User’s manual FCC ID: T8XWKKBDK2388U 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 received, including interference that may cause undesired operation. Caution Keep dry. Precipitation, humidity, and liquids, contain minerals that will corrode electronic circuits. Do not use or store in dusty, dirty areas. Do not store in hot areas. High temperatures can shorten the life of electronic devices and warp or melt certain plastics. Do not store in very cold areas. Moisture can form inside the case, which may damage electronic circuit boards. Do not attempt to open the case. Non-expert handling of the device may damage the system. Avoid dropping and strong impact. Do not change or modification. It is not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

DK-2388U Circuit Diagram P C Keyboard Matrix M C U Power Indictors USB

EUT EXTERIOR PHOTO Applicant: WOLFKING LLC. FCC ID: T8XWKKBDK2388U

Applicant: WOLFKING LLC. FCC ID: T8XWKKBDK2388U 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 received, including interference that may cause undesired operation. FCC ID Label location:

EUT INSIDE PHOTO Applicant: WOLFKING LLC. FCC ID: T8XWKKBDK2388U

Applicant: WOLFKING LLC. FCC ID: T8XWKKBDK2388U Operation description

R7 1 R6 2 R5 3 R4 4 R3 5 R2 6 R1 7 R0 8 C17 9 C16 10 C0 11 C9 12 C8 13 C10 14 C15 15 C11 16 C12 17 C13 18 C14 19 C7 20 C6 21 C5 22 C4 23 C3 24 C2 25 C1 26 KE YBOARD CONJ1 R7 1 C1 2 C2 3 C3 4 C4 5 C5 6 C6 7 CAPS 8 SCROLL 9 VCC 10 V1 11 V2 12 V3 3 13 D+ 14 D- 15 C7 16 C14 17 C13 18 C12 19 C11 20 C15 21 C10 22 C8 23 GN D 24 GN D 25 GN D 26 RESET 27 OSCO 28 OSCI 29 C9 30 C0 31 C16 32 C17 33 R0 34 R1 35 R2 36 R3 37 JP1 38 JP2 39 JP3 40 NU M 41 R4 42 R5 43 R6 44 HT82K629A U1 1234 USBCN1 22 R1 1. 5K R5 22 R6 22 R4 10 K R2 10 0KR3 6MHz Y1 0. 1uFC6 33 pF C5 33 pF C7 0. 1uF C2 0. 1uFC3 0. 1uF C4 JU MPE R JP3 JU MPE R JP2 JU MPE R JP1 10 uF C1 VCC C0 C1C2C3C4C5C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16 C17 R0 R1 R2 R3 R4 R5 R6 R7 R0R1R2R3R4R5R6R7 C0C1C2C3C4C5C6C7C8C9C10C11C12C13C14C15C16C17 N ote: 1.JP1 is used to define U+P or USB only JP1 float define USB only JP1 con necte d to GND define U+P 2.JP2 , JP3 is used to define ke y board mode. 12345 6 789 10 ABCDEFGH I J KL 1 2 345 6 789 10 Siliten PART NO. DESCRIPTION Q`TY MAT'L REMARK SCALE: --- UNIT: --- DRAWN:DESIGER:CHECKED:APPROVED: DRAWING NO.: SHEETDO NO SCALE TITLE: TREATING DRAWING OF ABCD E FGH IJKLMNO A4 REV REVER DATE IS SUE MARK Corporation M TOLERANCE:UNSPECIFIED.XXX ±0.05.XX ±0.1.X ±0.15. ±0.25ANGLE ±0.5 11 11 D:\DK238 8U\PCB\ht82k 629 a.Sch DK2388U SCHEMATIC 11 0. 1 L1L2 REDPOWER 22 0 R7

FCC CLASS B COMPLIANCE REPORT for Electromagnetic Emissions of WOLFKING KEYBOARD Trade Name : N/A Model Number : DK-2388U Serial Number : N/A Report Number : ST0605004 FCC ID :T8XWKKBDK2388U Date : May 20, 2006 Prepared for : WOLFKING LLC. 16 WEST 30 TH STREET, NEW YORK, NY 10001 Prepared by : SINTEK LABORATORY CO., LTD. d.b.a. SINTEK LABORATORY CO., LTD. NO.7, XINSHIDAI INDUSTRIAL,GUANTIAN VILLAGE, SHIYAN TOWN, BAO’AN DISTRICT, SHENZHEN, GUANGDONG, P.R.C TEL:86-755-27604866 FAX:86-755-27608359 Page 1of 24 Rev. 00 TABLE OF CONTENTS DESCRIPTION PAGE VERIFICATION OF COMPLIANCE 3 SYSTEM DESCRIPTION 4 PRODUCT INFORMATION 5 SUPPORT EQUIPMENT 6 SECTION 1 FCC(LINE CONDUCTED & RADIATED EMISSION) 7 MEASUREMENT PROCEDURE & LIMIT (LINE CONDUCTED EMISSION TEST) 7 MEASUREMENT PROCEDURE & LIMIT (RADIATED EMISSION TEST) 10 SUMMARY DATA 13 TEST FACILITY 16 TEST EQUIPMENT LIST 17 BLOCK DIAGRAM OF TEST SETUP 18 APPENDIX 1 PHOTOGRAPHS (TEST SETUP OF LINE CONDUCTED EMISSION) 19 APPENDIX 2 PHOTOGRAPHS (TEST SETUP OF RADIATED EMISSION) 21 APPENDIX 3 PHOTOS OF EUT 23 Page 2 Rev. 00 VERIFICATION OF COMPLIANCE Equipment Under Test: WOLFKING KEYBOARD Trade Name: N/A Model Number: DK-2388U Serial Number: N/A Applicant: WOLFKING LLC. 16 WEST 30 TH STREET, NEW YORK, NY 10001 Manufacturer: WOLFKING LLC. 16 WEST 30 TH STREET, NEW YORK, NY 10001 Type of Test: FCC Class B Measurement Procedure: ANSI C63.4: 2001 File Number: FCC ID: ST0605004 T8XWKKBDK2388U Date of test: May 4~20, 2006 Deviation: None Condition of Test Sample: Normal The above equipment was tested by SinTek Laboratory Co.,Ltd. for compliance with the requirements set forth in the FCC Rules and Regulations Part 15, Subpart B and the measurement procedure according to ANSI C63.4. This said equipment in the configuration described in this report shows the maximum emission levels emanating from equipment are within the compliance requirements. The test results of this report relate only to the tested sample identified in this report. Approved by Authorized Signatory: Page 3 Rev. 00 SYSTEM DESCRIPTION EUT Test Program: 1. Set up EUT with the auxiliary equipment. 2. Let the EUT work in test mode and measure it. Page 4 Rev. 00 PRODUCT INFORMATION Housing Type: Plastic EUT Power Rating: DC 5V Power during Test: DC 5V BY PC I/O Port of EUT: I/O Port Type Q’TY Tested with N/A N/A N/A Difference between model numbers as below: Model Number Trade Name N/A N/A Page 5 Rev. 00 SUPPORT EQUIPMENT No.Equipment Model # Serial # Trade Name Data Cable Power Cord 1. PC PC2 N/A N/A N/A Unshielded, 1.8m 2. Printer P320A DQYK006399 EPSON STYLUS C60 Shielded 1.5m Unshielded 1.8m 3. Mouse 3D SWW-22 N/A SHUANGFE IYAN Shielded 1.5m N/A 4. Modem EDVM-CF56T HCF G9TTAI-25564- M5-E WONDA Shielded 1.5 m Unshielded 1.8 m 5 Monitor 170X5 BZ0005261100 36 PHILIPS Shielded 1.5 m Unshielded 1.8m **Note: All the above equipment/cables were placed in worse case positions to maximize emission signals during emission test. Grounding: Grounding was in accordance with the manufacturer’s requirements and conditions for the intended use. Page 6 Rev. 00 SECTION 1 FCC (LINE CONDUCTED AND RADIATED EMISSION) MEASUREMENT PROCEDURE (PRELIMINARY LINE CONDUCTED EMISSION TEST) 1) The equipment was set up as per the test configuration to simulate typical actual usage per the user’s manual. When the EUT is a tabletop system, a wooden table with a height of 0.8 meters is used and is placed on the ground plane as per ANSI C63.4 (see Test Facility for the dimensions of the ground plane used). When the EUT is a floor-standing equipment, it is placed on the ground plane which has a 3-12 mm non-conductive covering to insulate the EUT from the ground plane. 2) Support equipment, if needed, was placed as per ANSI C63.4. 3) All I/O cables were positioned to simulate typical actual usage as per ANSI C63.4. 4) The EUT received DC 5V through PC, and PC received AC120V/60Hz power through a Line Impedance Stabilization Network (LISN) which supplied power source and was grounded to the ground plane 5) All support equipments received 120V/60Hz power from a second LISN, if any. 6) The EUT test program was started. Emissions were measured on each current carrying line of the EUT using a spectrum Analyzer / Receiver connected to the LISN powering the EUT. The LISN has two monitoring points: Line 1 (Hot Side) and Line 2 (Neutral Side). Two scans were taken: one with Line 1 connected to Analyzer / Receiver and Line 2 connected to a 50 ohm load; the second scan had Line 1 connected to a 50 ohm load and Line 2 connected to the Analyzer / Receiver. 7) Analyzer / Receiver scanned from 150kHz to 30MHz for emissions in each of the test modes. 8) During the above scans, the emissions were maximized by cable manipulation. 9) The following test mode(s) were scanned during the preliminary test: Preliminary Conducted Emission Test Frequency Range Investigated 150KHz TO 30 MHz Mode of operation Date Data Report No. Worst Mode NORMAL 05/08/2006 DK-2388U_0(L,N) Then, the EUT configuration and cable configuration of the above highest emission level were recorded for reference of final testing. Page 7 Rev. 00 MEASUREMENT PROCEDURE (FINAL LINE CONDUCTED EMISSION TEST) 1) EUT and support equipment was set up on the test bench as per step 9 of the preliminary test. 2) A scan was taken on both power lines, Line 1 and Line 2, recording at least the six highest emissions. Emission frequency and amplitude were recorded into a computer in which correction factors were used to calculate the emission level and compare reading to the applicable limit. If EUT emission level was less –2dB to the A.V. limit in Peak mode, then the emission signal was re-checked using an Average detector. 3) The test data of the worst case condition(s) was reported on the Summary Data page. Data Sample: Freq. MHz Peak Raw dBuV Q.P. Raw dBuV Average Raw dBuV Q.P. Limit dBuV Average Limit dBuV Q.P. Margin dB Average Margin dB Note xxx.xxx 43.90 --- --- 56.00 46.00 --- -2.10 L 1 Freq…

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TEST SETUP PHOTO Applicant: WOLFKING LLC. FCC ID: T8XWKKBDK2388U LINE CONDUCTED EMISSION TEST RADIATED EMISSION TEST