Product Info

LPWA Module Series
BG95 Hardware Design
BG95_Hardware_Design 45 / 88
BG95 supports (U)SIM card hot-plug via the USIM_DET pin, and both high and low level detections are
supported. The function is disabled by default, and please refer to AT+QSIMDET command in document
[2] for more details.
The following figure shows a reference design of (U)SIM interface with an 8-pin (U)SIM card connector.
Figure 14: Reference Circuit of (U)SIM Interface with an 8-Pin (U)SIM Card Connector
If (U)SIM card detection function is not needed, please keep USIM_DET unconnected. A reference circuit
for (U)SIM interface with a 6-pin (U)SIM card connector is illustrated in the following figure.
Figure 15: Reference Circuit of (U)SIM Interface with a 6-Pin (U)SIM Card Connector