# MifareUltralight

> 基础库 2.11.2 开始支持，低版本需做[兼容处理](1003706)。

> 相关文档: [近场通信 (NFC)](/miniprogram/dev/framework/device/nfc.md)

MifareUltralight 标签

## 方法

### [MifareUltralight.connect()](/miniprogram/dev/api/device/nfc/MifareUltralight.connect)

连接 NFC 标签

### [MifareUltralight.close()](/miniprogram/dev/api/device/nfc/MifareUltralight.close)

断开连接

### [MifareUltralight.setTimeout(Object object)](/miniprogram/dev/api/device/nfc/MifareUltralight.setTimeout)

设置超时时间

### [MifareUltralight.isConnected()](/miniprogram/dev/api/device/nfc/MifareUltralight.isConnected)

检查是否已连接

### [MifareUltralight.getMaxTransceiveLength()](/miniprogram/dev/api/device/nfc/MifareUltralight.getMaxTransceiveLength)

获取最大传输长度

### [MifareUltralight.transceive(Object object)](/miniprogram/dev/api/device/nfc/MifareUltralight.transceive)

发送数据