LPWA Module Series
BG950A-GL&BG951A-GL_Hardware_Design
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The following figure illustrates a reference design of (U)SIM interface with an 8-pin (U)SIM card
connector.
Figure 16: Reference Circuit of (U)SIM Interface with an 8-Pin (U)SIM Card Connector
If (U)SIM card detection function is not needed, 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 17: Reference Circuit of (U)SIM Interface with a 6-Pin (U)SIM Card Connector
To enhance the reliability and availability of the (U)SIM card in applications, follow the criteria below in the
(U)SIM circuit design: