![](http://i02.c.aliimg.com/img/ibank/2012/214/985/640589412_1858580488.jpg)
Description | Handheld Microphone (Transmitter) | Receiver |
Work voltage | 3V DC | 9V DC |
Work current | Max 120Ma | Max 300mA |
Operation Temperature | -15 - 65° | -15 - 65° |
FrequencyRange | 2400 - 2483 MHz | 2400 - 2483 MHz |
MODULATION | GFSK | |
Channel Space | 1MHz | 1MHz |
Frequency stability | 150KHz | 150KHz |
Baud rate | 2M bps | 2M bps |
Optional Channels | 80 CH | 80 CH |
RF Distance | 30~ 50M (actual test in an open area) |
Transmit Power | 18dBm | |
Output Level | 260mv (max) | |
Sensitivity | -90dBm | |
Frequency Response | 20 - 20000Hz (-3dB) |
latency | < 0.5 ms |
Sampling ratio | 48kHz at 16 bit |
Signal-to-Noise Ratio (SNR) | 95 dB |
THD Distortion | 0.1 % at 1kHz |
DynamicRange | 90dB |
我公司历时壹年时间开发出来的完全自主知识产权的产品,传输过程全数字,高保真,为目前国内该领域内技术最先进、效果最好的高保真数字无线音箱。
一、具体技术参数:
1、64K数字音频采样速率,16bit样本量化级
2、低功耗设计
3、GFSK数字调制/解调方式
4、20Hz~20KHz频率响应
5、90dB音频动态范围
6、应用前向纠错编码避免接收错误的音频数据
7、工作在2。4GHz ISM频段,30个工作频点(可提供125个可选频点的型号)
8、-85dBm的接收灵敏度,45dB的邻道抑制,30dB的镜像抑制
9、有效接收距离100米(开阔地带)
![](http://i00.c.aliimg.com/img/ibank/2012/609/585/640585906_1858580488.jpg)