K7SF8E830-KBDWireless Keyboard

Darfon Electronics Corp. EMC Keyboard Tx Microprocessor Keyboard RF Transmitter Module Keyboard K 1 0 5 K e y b a o r d H a r d W a r e B l o c k T r a n s m i t t e r T e r m i n a l K 1 0 5 H a r d W a r e B l o c k R e c e i v e r T e r m i n a l Motorola Keyboard Rx Microprocessor Keyboard RF Receiver Module PC Host Page 1/2 By DH1/Jeff C Wang 2003/11/11 Motorola Mouse Rx Microprocessor Mouse RF Receiver Module Antenna Fig.1 Keyboard Block Fig.2 Receiver Block 2MHz Resonator 27.095MHz 27.145MHz Crystal Crystal Crystal 6MHz Crystal 6MHz Crystal

Darfon Electronics Corp. 6 Feng-Shu Tsuen, Gueishan, Taoyuan 333, Taiwan, R.O.C. TEL: 886-3-329-4141 FAX: 886-3-350-8768 FCC ID.: K7SF8E830-KBD 6, Feng-Shu Tsuen, Gueishan, Taoyuan 333, Taiwan, R.O.C. Tel: 886 3 329-4141 Federal Communications Commission Nov. 12, 2003 Authorization and Evaluation Division Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, the Applicant Hereby requests confidential treatment of information accompanying this Application As outlined below: Schematics 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 Rule 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application.

Report No.: 03BL046FI Page : 1 of 6 Version:1.0 Attachment 2 : EUT Detailed Photographs (1) EUT Photo (2) EUT Photo

Darfon Electronics Corp. 6 Feng-Shu Tsuen, Gueishan, Taoyuan 333, Taiwan, R.O.C. TEL: 886-3-329-4141 FAX: 886-3-350-8768 FCC ID.: K7SF8E830-KBD 6, Feng-Shu Tsuen, Gueishan, Taoyuan 333, Taiwan, R.O.C. Tel: 886 3 329-4141 FCC ID AND DoC Label The FCC ID and DoC Label will be placed on the equipment as shown in the photograph below. FCC ID Wireless Keyboard Model No.: F8E830-KBD, K105 F F C C C C I I D D : : K K 7 7 S S F F 8 8 E E 8 8 3 3 0 0 - - K K B B D D 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. S/N: Made in Taiwan FCC DoC: Wireless Keyboard Model No.: F8E830-KBD, K105 TESTED TO COMPLY WITH FCC STANDARDS FOR HOME OR OFFICE USE S/N: Made in Taiwan

Report No.: 03BL046FI Page : 2 of 6 Version:1.0 (3) EUT Photo (4) EUT Photo Report No.: 03BL046FI Page : 3 of 6 Version:1.0 (5) EUT Photo (6) EUT Photo Report No.: 03BL046FI Page : 4 of 6 Version:1.0 (7) EUT Photo (8) EUT Photo Report No.: 03BL046FI Page : 5 of 6 Version:1.0 (9) EUT Photo (10) EUT Photo Report No.: 03BL046FI Page : 6 of 6 Version:1.0 (11) EUT Photo

Report No. 03BL046FI Page : 5 of 24 Version:1.0 1.2. Operation Description The EUT is a 27MHz Wireless Keyboard intends to use in household and office PC system. The device adapts FSK modulation. The antenna Loop Antenna Provides diversity function to improve the transmitting function. The super generation type receiver was used. An external excitation was used when the test of receiver was performed.