SJ62010802WIRELESS KEYBOARD

User Manual 2.4G wireless keyboard Model: W2621RF General features : 2.4G wireless Carrier frequencies:2.402-2.480GHz Modulation:GFSK Lower battery Indicator Working distance：10m. Keyboard Input power: 3V 2*AAA, Lowest work voltage： 2.2V Operating curren: 10mA Sleep current：10uA. Lower battery Indicator：(2.2V) When the led of lower battery indicator flash,Then please replacement new battery. Opreation description 1: Start you computer. 2: Input 2* AAA battary in the keyboard . FCC WARNING 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. NOTE 1: Any changes or modifications not expressly approved by the manufacturer could void the user’s authority to operate the equipment. NOTE 2: The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment. Such modifications could void the user’s authority to operate the equipment.

Shenzhen Weijian Plastic Product Co., Ltd. Model: W2621RF REPORT NO.: STR10088139I FCC PART 15.249 EXHIBIT 2 - EUT EXTERNAL PHOTOGRAPHS EUT View 1 EUT View 2

Shenzhen Weijian Plastic Product Co., Ltd. Model: W2621RF REPORT NO.: STR10088139I FCC PART 15.249 EXHIBIT 1- PRODUCT LABELING Proposed FCC ID Label Format FCC ID: SJ62010802 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. Specifications : Text is Black in color and justified. Labels are printed in indelible ink on permanent adhesive silk-screened onto the EUT or shall be affixed at a conspicuous location on the EUT. Proposed Label Location on EUT FCC ID Label Location

Shenzhen Weijian Plastic Product Co., Ltd. Model: W2621RF REPORT NO.: STR10088139I FCC PART 15.249 EXHIBIT 1- PRODUCT LABELING Proposed FCC ID Label Format FCC ID: SJ62010802 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. Specifications : Text is Black in color and justified. Labels are printed in indelible ink on permanent adhesive silk-screened onto the EUT or shall be affixed at a conspicuous location on the EUT. Proposed Label Location on EUT FCC ID Label Location

Shenzhen Weijian Plastic Product Co., Ltd. Model: W2621RF REPORT NO.: STR10088139I FCC PART 15.249 EXHIBIT 3 - EUT INTERNAL PHOTOGRAPHS EUT Housing and Board View Solder Board-Component View 1 Shenzhen Weijian Plastic Product Co., Ltd. Model: W2621RF REPORT NO.: STR10088139I FCC PART 15.249 Solder Board-Component View 2

Circuit Description 1. Y1 the 4M crystal oscillator driver the base of U1(MCU) the final/buffer,Y2 the 12M crystal oscillator driver the base of U3 the final/buffer, and the U3-SGN6210 is the RF control chip with Tx frequency of 2402~2480MHz, the key signal is modulated to the radio frequency signal, the modulation type is GFSK. 2. Grond and power source The ground is only that of the printed circuit board, no external ground connection, electric voltage of DC 3V is supplied by 2*AAA batteries.

6604-2.sch-1 - Fri Aug 20 09:54:29 2010

Shenzhen Weijian Plastic Product Co., Ltd. Model: W2621RF REPORT NO.: STR10088139I FCC PART 15.249 EXHIBIT 4 - TEST SETUP PHOTOGRAPHS Radiation Emission Test Setup (30MHz to 1GHz) Radiation Emission Test Setup (Above 1GHz)