
Wireless USB microphone solution
This solution is composed of a transmitter module and a USB microphone receiver module. The transmitter module can be connected to microphones and audio signals. The receiver module uses audio data stream communication with mobile devices such as computers or tablets, which can improve the signal-to-noise ratio and lossless transmission. This program can be applied to scenes such as network K song, musical instrument computer recording, teaching speech amplification and recording, voice recognition, and voice-to-text.
规格项目 | 音频发射模块 | 音频接收模块 |
---|
供电电压 | 3.3V-5V | 3.3V-5V |
消耗电流 | <80mA | <50mA |
工作温度 | 0 ~ +70 ℃ | 0 ~ +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 | 15dBM |
|
接收灵敏度 |
| -85dBm(Min.) |
输出阻抗 |
| 10K |
输出电平 |
| 2.5Vp-p(Max) |
音频时延 | <5ms | <5ms |
动态范围@1kHz | 81dB | 81dB |
失真度THD | 0.1% | 0.1% |