99iot co. ltd 99IOTW121 Manual De Usuario
99IoT (Shenzhen) Co., Ltd.
User_Manual
User Manual of AF-W12xTx Wi-Fi Module
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6.2
Directions for module layout
（
1）
When using onboard antenna, layout forbidden area is seen in the figure
below;
below;
（
2）
The module must be placed vertically with the onboard antenna top located
or the module is placed horizontally with component side up;
or the module is placed horizontally with component side up;
（
3）
When the module is placed vertically, the clear height of module’s both
sides is at least over 12mm;
When the module is placed horizontally, the clear height under the module is
over 6mm;
Cable and other metals are prohibited above the module;
sides is at least over 12mm;
When the module is placed horizontally, the clear height under the module is
over 6mm;
Cable and other metals are prohibited above the module;
（
4）
Neither can copper be cladded nor can metal devices, sensors, interference
sources or other materials that have an impact on signal be placed under the
layout forbidden area
sources or other materials that have an impact on signal be placed under the
layout forbidden area
.
Layout forbidden area