Wiegand（韦根）协议是由摩托罗拉公司制定的一种通讯协议，它适用于涉及门禁控制系统的读卡器和卡
片的许多特性-Wiegand (Wiegand) protocol by Motorola to develop a communication protocol, which apply to access control system card readers and many of the features of the card
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