Teaching microphone external USB HID

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

  • Model: Teaching microphone external USB HID

Teaching microphone external USB HID


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%



  • Bluetooth speaker customization, gift Bluetooth speaker, multi-functional Bluetooth speaker, outdoor Bluetooth audio, waterproof Bluetooth speaker, Bluetooth speaker factory

    配对

    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

  • Bluetooth speaker customization, gift Bluetooth speaker, multi-functional Bluetooth speaker, outdoor Bluetooth audio, waterproof Bluetooth speaker, Bluetooth speaker factory

    音量调节

    调整接收模块的耳机功放

  • Bluetooth speaker customization, gift Bluetooth speaker, multi-functional Bluetooth speaker, outdoor Bluetooth audio, waterproof Bluetooth speaker, Bluetooth speaker factory

    空中鼠标功能

    鼠标键 左键 右键共3个键

  • Bluetooth speaker customization, gift Bluetooth speaker, multi-functional Bluetooth speaker, outdoor Bluetooth audio, waterproof Bluetooth speaker, Bluetooth speaker factory

    幻灯片操作

    上/下翻页、画线、清除画线、一键黑屏等

  • Bluetooth speaker customization, gift Bluetooth speaker, multi-functional Bluetooth speaker, outdoor Bluetooth audio, waterproof Bluetooth speaker, Bluetooth speaker factory

    电脑播放器操作

    上/下一曲、播放/暂停、电脑系统音量加减

  • Bluetooth speaker customization, gift Bluetooth speaker, multi-functional Bluetooth speaker, outdoor Bluetooth audio, waterproof Bluetooth speaker, Bluetooth speaker factory

    USB设备

    独立USB接收器,具有USB键盘、USB鼠标的功能。操作系统免驱

  • Bluetooth speaker customization, gift Bluetooth speaker, multi-functional Bluetooth speaker, outdoor Bluetooth audio, waterproof Bluetooth speaker, Bluetooth speaker factory

    USB接收器配对

    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