Teaching microphone external USB HIDIn the application field of teaching microphones, our company has more than ten years of industry experience. In order to realize the function of one teacher and on
Teaching microphone external USB HID
In the application field of teaching microphones, our company has more than ten years of industry experience. In order to realize the function of one teacher and one microphone, the process from the initial simple close-range matching design to the current system design concept is that our company goes deep into the industry and understands customers. Use habits and environment to continuously solve the manifestation of customer pain points. This program is composed of a teaching wireless microphone, a receiving module and a USB page turning receiver, which can realize keyboard shortcut functions such as amplification, recording, air mouse and page turning.
自动分配信道
预置信道数14个，多套同时使用互不干扰
抗干扰性强
音频传输采用数字化处理
抗WIFI干扰
无线传输具有抗WIFI干扰能力
传输距离
无线传输距离空旷地带 50米以上
便携
内置PCB板天线更适合便携式产品
即开即用
一师一麦的设计，老师在任一教室开机即可使用
| 规格项目 | 音频发射模块 | 音频接收模块 |
|---|---|---|
供电电压 | 5V | 5V |
消耗电流 | <45mA | <25mA |
工作温度 | -10 ℃ ～ +70 ℃ | -10 ℃ ～ +70 ℃ |
频率范围 | 2400～2483.5MHz | 2400～2483.5MHz |
信道数目 | 14 | 14 |
调制方式 | GFSK | GFSK |
发射功率 | 17dBM | |
输入阻抗 | 1OK Ohm | |
输入电平 | 2.8Vp-p(Max) | |
接收灵敏度 | -85dBm(Min.) | |
输出阻抗 | 32 Ohm | |
输出电平 | 2.8Vp-p(Max) | |
音频时延 | <10ms | <10ms |
频率响应 | 10～8KHz,±3dB | 10～8KHz,±3dB |
动态范围@1kHz | 81dB | 81dB |
失真度THD | 0.1% | 0.1% |
一师一麦配对：双向配对，每次开机使用都需要重新配对
保存ID码配对：双向配对，配对只需要一次，以后开机即可以使用
调整接收模块的耳机功放
鼠标键 左键 右键共3个键
上/下翻页、画线、清除画线、一键黑屏等
上/下一曲、播放/暂停、电脑系统音量加减
独立USB接收器，具有USB键盘、USB鼠标的功能。操作系统免驱
发射器与音频模块配对成功后，发射器也USB接收器做近距离配对
