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OTA Test Report Report No: Y1806A0621-T1V1
TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 7 of 15 
Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofTATechnology(Shanghai)Co.,Ltd.
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3. Test Conditions
3.1. Test Configuration
Great-Circle-Cut method is used to measure the antenna 3D GAIN of EUT in OTA qualified anechoic
chamber. Equipment Under Test (EUT) geometry centre vertical projection at the centre of platform, the
distance from EUT to measurement antenna is 5m.
3.2. Test Measurement
Spherical coordinate system
Figure 1 Test coordinate system
Note: Theta is from 0~180 degree. Phi is from 0~360. Rotate the EUT and record the Data, the
step of rotation is 30 degree.