User's Manual

X-C13SG
802.11bgn and BLE SoC
Shanghai ChipFresh Internet of Things Technology Co., Ltd
9
2.4
PCB Antenna
X-C13SG support internal PCB
antenna option. When customer select internal antenna, you shall
comply with following antenna design rules and module location suggestions:

For customer PCB, module antenna area can’t put componet or paste GND net;(See the
following red arrow area)

Antenna must away from metal or high components at least 20mm;

Antenna can’t be shieldedby any meal enclosure; All cover, include plastic, shall away from
antenna at least 20mm;
suggest module better locate in following region at customer board, which to reduce the
effect to antenna and wireless signal, and better consult ChipFresh technical people when you
structure your module placement and PCB layout.
Figure 4.
Suggested Module Placement Region
2.5
Ordering Information
Figure 5.
Ordering Information