S4SMK08Wireless Keyboard

Note: 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: The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment. Such modifications could void the user authority to operate the equipment.

Applicant: Nortek International (China) Ltd. FCC ID: S4SMK08

Applicant: Nortek International (China) Ltd. FCC ID: S4SMK08 EUT top view EUT bottom view

Applicant: Nortek International (China) Ltd. FCC ID: S4SMK08 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. Proposed Label Location on EUT EUT Bottom View/Proposed FCC ID Label Location FCC ID: S4SMK08 MK08 – Wireless Keyboard 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: S4SMK08 Battery Type: 2x1.5V= Made in China

Applicant: Nortek International (China) Ltd. FCC ID: S4SMK08 EUT inside whole view Main board component side Main board solder side

Applicant: Nortek International (China) Ltd. FCC ID: S4SMK08 Operational Description XT2A the 27.095 and XT2B the 27.145 crystal oscillator driver the base of U1 the final/buffer amplifier into the same base (U1) is the modulation provided by U1 , the output of U1 has the matching network consisting of C3,C4,C5,C6 and the C3,C4 that limit the harmonic content and effect the proper coupling of the antenna to the output stage. Antenna ground and power source The antenna is extension, there is external ground connection .the ground is that of the printed circuit board add extension lines . electric current is supplied by 2*AA batteries.

55 44 33 22 11 D D C C B B A A C18 C17 C16 C15 C14 C13 C12 C11 C10 C9 C8 C7 C6 C5 C4 C3 C2C1 R8R7R6 R5R4R3R2R1 V1V2Z1Z2 V1V2Z1Z2 R8R7R6R5R4R3R2R1C18C17C16C15C14C13C12C11C10C9C8C7C6C1C2C3C4C5 0 0 0000 0 0 0 BAT VDD VDD BAT 0 0 0 0 VDD VDD VDD C3 *27p C133p XT132.768KHz SW2 R9 100k C15104 C2 33p C7B *30p + C10200UF R8200k C13104 L1 100uH C7A *24p R50 C5*56p + C14200UF L3 *0uH R710 BT1 SW1 C12104 C8 *3p C4*12p R3 1.5M + C11 200UF R1 4.7M J1CON261234567891011121314151617181920212223242526 D15819 C622p R2 470 R4 470k MA6231 1234567 10111213141516 28 29 30 31 32 33363738394041434445464748 49 50 51 54 55 56 57 58 59 60 62 63 89 6417 18 19 20 21 22 23 24 25 26 27 343542 52 53 61 C1C0VDD1VDD5OSC-INOSC-OUT10TXCBORF-INORF-OUTRF-OUTORF-IN2TXD SVDIN VSS1 R7 R6 R5 R4R1R0 38394041 RFSEL VSS VL DCVR C19C18 C17 C16 C15 C12 C11 C10 C9 C8 C7 C6 C4 C3 89 C2BTL COL21 COL20 V1 V2 Z1 Z2 24 W1 W2 XTB R3R2 42 C14 C13 C5 C9*75p XT2A 27.095MHz SWE L2 1.8uH XT2B 27.145MHz D2

The test report consists 24 pages in total. It may be duplicated completely for legal use with the allowance of the applicant. It shall not be reproduced except in full, without the written approval of Ke Mei Ou Laboratory Corporation. The test result in the report only applied to the tested sample. FCC TEST REPORT Under FCC 15 Subpart C, Paragraph 15.227 Prepared For: Nortek International (China) Ltd. Unit 1604-05, 16/F., Island Place Tower, Island Place, 510 King’s Road, North Point, Hong Kong. October 26, 2005 FCC ID: S4SMK08 EUT: Wireless Keyboard & Optical Mouse Combo Set (Keyboard) Model: MK08 Report Type: Original Report Test Engineer: Peter Lin Test Date: September 28, 2005 Review By: Apollo Liu / Manager Ke Mei Ou Laboratory Co., Ltd. 7A, Jiaxiangge, Jiahuixincheng, No.3027, Shennan Rd., Futian, Shenzhen, Guangdong, P.R.China. Zip Code: 518033 Tel: + 86 755 83642690 Fax: + 86 755 83297077 www.kmolab.com FEDERAL COMMUNICATIONS COMMISSION Registration Number: 125782 INDUSTRY CANADA Registration Number: IC4986 Nortek International (China) Ltd. FCC ID: S4SMK08 KMO FCC ID Report Report #: KSZ2005092401J05 Page 2 of 23 TABLE OF CONTENTS 1. General Information....................................................................................................................................................3 1. 1 Notes......................................................................................................................................................................3 1. 2 Testing Laboratory..................................................................................................................................................3 1. 3 Details of Applicant................................................................................................................................................3 1. 4 Application Details..................................................................................................................................................3 1. 5 Test Item.................................................................................................................................................................3 1. 6 Test Standards.........................................................................................................................................................3 2. Technical Test...............................................................................................................................................................4 2. 1 Summary of Test Results.........................................................................................................................................4 2. 2 Antenna Requirement..............................................................................................................................................4 3. EUT Modifications.......................................................................................................................................................4 4. Conducted Power Line Test.........................................................................................................................................5 4. 1 Test Equipment.......................................................................................................................................................5 4. 2 Test Procedure........................................................................................................................................................5 4. 3 Test Setup...............................................................................................................................................................5 4. 4 Configuration of The EUT.......................................................................................................................................6 4. 5 EUT Operating Condition........................................................................................................................................7 4. 6 Conducted Power Line Emission Limits..................................................................................................................7 4. 7 Conducted Power Line Test Result...........................................................................................................................7 5. Radiated Emission Test................................................................................................................................................9 5. 1 Test Equipment.......................................................................................................................................................9 5. 2 Test Procedure........................................................................................................................................................9 5. 3 Radiated Test Setup.................................................................................................................................................9 5. 4 Configuration of The EUT.....................................................................................................................................10 5. 5 EUT Operating Condition......................................................................................................................................10 5. 6 Radiated Emission Limit.......................................................................................................................................10 5. 7 Radiated Emission Test Result...............................................................................................................................11 6. Band Edge..................................................................................................................................................................12 6. 1 Test Equipment...........................................................…

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Applicant: Nortek International (China) Ltd. FCC ID: S4SMK08 Radiated emission test view