USB NFC加密狗用于在电子银行业务中验证用户或交易。它们有一个简单的用户界面 — 通常通过USB连接器（也用于为设备供电）连接到个人电脑，还有一个HF NFC读写器 — 通常带有一个非常小的天线。
这些读写器与典型NFC/HF读写器的主要区别在于其非常小的天线，但我们的ST25R NFC/HF读写器的优良特性使其具有很好的读取性能。
我们ST25R NFC读写器的广泛读取范围和超低功耗STM32L4微控制器有助于设计高效的NFC加密狗。
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