<h2><span style="font-weight: normal;">S50卡命令字</span></h2>
<h3><span style="font-weight: normal;">52H，寻天线内全部卡</span></h3>
<h3><span style="font-weight: normal;">93H,防冲突</span></h3>
<h3><span style="font-weight: normal;">60H，验证A密码</span></h3>
<h3><span style="font-weight: normal;">A0H，写数据块</span></h3>
