WAVESHARE ELECTRONICS
WIFI232 User Manual
Page 15 of 81
Figure 9
WIFI232 Mechanical Size
3.3 Antenna
3.3.1 On-board Chip Antenna
WIFI232 supports a built-in antenna options, when customers choose a built-in antenna, must comply
with the following built-in antenna module placement of notes and general rules:
Be in the user's PCB board, and the red region ( 6X8mm ) corresponding to the region cannot be
placed components and with GND;
Antenna must away from the metal, at least to the distance around the higher components above
10MM;
Antenna cannot be shielded by any meal enclosure; All cover, include plastic, shall away from
antenna at least 10MM;
Figure 10
WIFI232 Chip Antenna Keep Out Region
