◇ 使用全球通用2.4G频段，信号无延时,声音清晰
Use global 2.4G frequency band, no signal delay, clear voice.
◇ 每间教室自动对频，多间教室可同时工作，互不干扰
Auto frequencysynchronization on each classroom, multiple classrooms can work at the same time, no interfere with each other.
◇ 带有激光笔翻页功能
Laser pointer with page turning function.
◇ 内置MIC和外置MIC任意切换，可外接领夹或头戴式话筒
Built-in MIC and external MIC can be switched freely, can be connected with external lavalier or head-mounted microphone.
◇ 一对多广播模式，一个发射器可以对应多个接收器
One-to-multi broadcast mode, one transmitter can correspond to multiple receivers.
◇ 接收机带有232远程设置功能，通过电脑或面板可设置每个教室的频道
The receiver has 232 remote setting function, the channel of each classroom can be set through the computer or panel.
◇ 开机自动对频，门口刷卡对频，上电自动对频
Frequency will be automatically synchronized when system is turned on.
◇ 可和课程管理软件实现老师自动签到或指定对频功能
Can be automatically checked in by the teacher with the course management software.
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