Users Manual

Reference No.: WTX20X12100048W-1 Page 9 of 11

Waltek Testing Group (Shenzhen) Co., Ltd.

http://www.semtest.com.cn

EXHIBIT 4 - TEST SETUP PHOTOGRAPHS

Radiation Emission Test

Setup (Below 30MHz)

Radiation Emission Test

Setup (30MHz to 1GHz)

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Reference No.: WTX20X12100048W-1 Page 9 of 11 EXHIBIT 4 - TEST SETUP PHOTOGRAPHS Radiation Emission Test Setup (Below 30MHz) Radiation Emission Test Setup (30MHz to 1GHz) Waltek Testing Group (Shenzhen) Co., Ltd. http://www.semtest.com.
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Reference No.: WTX20X12100048W-1 Radiation Emission Test Setup (1GHz to 18GHz) Radiation Emission Test Setup (Above 18GHz) Waltek Testing Group (Shenzhen) Co., Ltd. http://www.semtest.com.
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Reference No.: WTX20X12100048W-1 Page 11 of 11 ***** END OF REPORT ***** Waltek Testing Group (Shenzhen) Co., Ltd. http://www.semtest.com.