R6TRF-K907WIRELESS KEYBOARD

Applicant: Shenzhen Longitek Ebest Technology Co., Ltd. FCC ID: R6TRF-K907 keyboard MCU Local Oscillator 76.8KHZ K e y b o a r d d r i v e c i r c u i t V o l t a g e M o d u l a t e C i r c u i t A d d r e s s C o d e G e n e r a t o r L o w - p r e s s u r e R F P o w e r A m p l i f i e r F S K M o d u l a t o r K e y b o a r d c i r c u i t R F L o c a l O s c i l l a t o r 2 7 . 0 4 2 M H Z Voltage 2 AAA Batteries Security IDs Button Antenna MA6231 + L o w - p r e s s u r e L E D

Applicant: Shenzhen Longitek Ebest Technology Co., Ltd. FCC ID: R6TRF-K907 EUT top view EUT bottom view

Applicant: Shenzhen Longitek Ebest Technology Co., Ltd. FCC ID: R6TRF-K907 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: R6TRF-K907

Applicant: Shenzhen Longitek Ebest Technology Co., Ltd. FCC ID: R6TRF-K907 EUT inside whole view Main board component side Main board solder side

Applicant: Shenzhen Longitek Ebest Technology Co., Ltd. FCC ID: R6TRF-K907 Operational Description Under the normal instance of the 3V DC power supply, with the cooperation of the matching capacitance C1 C2,U1’s crystal Y1-32.768KHZ bring crystal signal. When keyboard working, the signal which brought by the clicking keycap transfer to U1.After the handling of the U1 with the cooperation of Y2,C3 and C4,bring the 27MHZ wireless high frequency signal.brought from U1’s 14# foot and under the cooperation of RF wireless high frequency, come to being stronger RF high frequency signal and send out.

1234 A B C D 4321 D C B A Title NumberRevisionSize A4 Date:11-May-2007Sheet of File:E:\MyProtel99se\RF-K907.ddbDrawn By: LBUT 10 MBUT 9 RBUT 8 OSC2 7 OSC1 6 BBUT 5 FBUT 4 VDD 3 COL[0] 2 COL[1] 1 TXCB 11 ORF1 12 ORF2 13 RFOUT 14 RFCTL 15 T E S T 1 7 X 1 I N 1 8 X 2 I N 1 9 Y 1 I N 2 0 Y 2 I N 2 1 Z 1 I N 2 2 Z 2 I N 2 3 X R E S T 2 4 W 1 I N 2 5 W 2 I N 2 6 X I R 2 7 S V D I N 2 8 V S S 2 9 R O W [ 7 ] 3 0 R O W [ 6 ] 3 1 R O W [ 5 ] 3 2 TXD 16 ROW[4] 33 ROW[3] 34 ROW[2] 35 ROW[1] 36 ROW[0] 37 P2[6] 38 R1 IN 39 R2 IN 40 L1 IN 41 L2 IN 42 TURBO 43 VSSS 44 VL 45 DCVR 46 COL[19] 47 COL[18] 48 C O L [ 1 7 ] 4 9 C O L [ 1 6 ] 5 0 C O L [ 1 5 ] 5 1 C O L [ 1 4 ] 5 2 C O L [ 1 3 ] 5 3 C O L [ 1 2 ] 5 4 C O L [ 1 1 ] 5 5 C O L [ 1 0 ] 5 6 C O L [ 9 ] 5 7 C O L [ 8 ] 5 8 C O L [ 7 ] 5 9 C O L [ 6 ] 6 0 C O L [ 5 ] 6 1 C O L [ 4 ] 6 2 C O L [ 3 ] 6 3 C O L [ 2 ] 6 4 IC1 MA60H12 COL0 COL1 C O L 2 C O L 3 C O L 4 C O L 5 C O L 6 C O L 7 C O L 8 C O L 9 C O L 1 0 C O L 1 1 C O L 1 2 C O L 1 3 C O L 1 4 C O L 1 5 C O L 1 6 C O L 1 7 COL18 COL19 C O L 0 C O L 1 C O L 2 C O L 3 C O L 4 C O L 5 C O L 6 C O L 7 C O L 8 C O L 9 C O L 1 0 C O L 1 1 C O L 1 2 C O L 1 3 C O L 1 4 C O L 1 5 C O L 1 6 C O L 1 7 VDD R1 4.7M Y1 32.768KHZ C1 15P C2 15P SW1 SW-ID Y2 27.142MHZ C3 18P C4 27P C5 33PF ROW0 ROW1 ROW2 ROW3 ROW4 ROW5 ROW6 ROW7 BAT C8 100UF C11 104 L1 100UH1/2W D1 RB421D R2 220K R3 100k C12 104 C9 100UF R4 10R C13 104C10 100UF VDD 1234567891 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5 2 6 TCON1 CONP-2620 R O W 0 R O W 1 R O W 2 R O W 3 R O W 4 R O W 5 R O W 6 R O W 7 R5 Íâ ́øÊó±êX ²» ́ø0R L3 1.8uH C14 75p L2 1uH BT1 BATTERY C15 22p C7 C6

The test report consists 18 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: SHENZHEN LONGITEK EBEST TECHNOLOGY CO., LTD. Shangxiawei Industrial Zone, Shasan Village, Shajing Town, Bao An Dist, Shenzhen, China. May 11, 2007 FCC ID: R6TRF-K907 EUT: Wireless Keyboard Model: RF-K907 Report Type: Original Report Test Engineer: Jacky Huang Test Date: April 30, 2007 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 Shenzhen Longitek Ebest Technology Co., Ltd. FCC ID: R6TRF-K907 KMO FCC ID Report Report #: KSZ2007042601J01 Page 2 of 18 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................................................................................................................................................8 5. 1 Test Equipment.......................................................................................................................................................8 5. 2 Test Procedure........................................................................................................................................................8 5. 3 Radiated Test Setup.................................................................................................................................................8 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: Shenzhen Longitek Ebest Technology Co., Ltd. FCC ID: R6TRF-K907 Radiated emission test view