Antenna; On-Board Chip Antenna - Waveshare WIFI232-B2 User Manual

WIFI232-B2 User Manual
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:
➢ Antennal 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;
➢ Make sure the antenna mounted on the edge of user's PCB. The
corresponding area cannot have any component placed and cannot have any wires
routed
➢ If it has plastic case, make sure the antenna is on open area or edge to receive
signals.
We suggest that the WIFI232 module be placed in the following areas of user
board, in order to reduce the antenna and a wireless signal influence.
Figure 9 WIFI232 Mechanical Size
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