SIM7022-EVB User Guide V1.00
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Feature 7: Module power supply separately (VBAT GND)
1. The power supply range of the module is 2.2~4.2V, and the recommended power supply voltage is
3.3V. When the power supply voltage is lower than 3V, the radio frequency can work and the
performance of a single index may not meet the 3GPP standard.
2.2 (U)SIM card Interface
SIM7022 does not support hot-swappable function. Please make sure to insert the (U)SIM card correctly
before powering on, otherwise the card cannot be recognized.
The reference circuit of the (U)SIM card interface is shown in the figure below.
Feature8: (U)SIM card interface reference design
The pin definition of the (U)SIM card holder is shown in the figure below.
※ Note
