SR-FRS-0W5E(UHF) 是一款性价比极高的无线语音对讲模块,内置高性能射频收发芯片、
微控制器以及射频功放;该模块只需外接天线、MIC和语音功放即可组成一台完整的对讲机。
本模块价格极其低廉,适合对价格极为敏感的客户;本模块不含数据传输功能,有欧
洲和美国频率可选,每种模式均可支持4个频道可选;
5.2 模块的特色和功能介绍
基于数字信号处理技术的调频解调技术;
频段:美国 FRS(462MHZ)欧洲 PMR(446MHZ);
信道:4-CH;
内置 CTCSS-100HZ 防干扰码可选;
RF 输出功率:500MW;
自动消尾音功能;
高接收灵敏度:-122dBm;
超低功耗睡眠模式(0.1uA);
电压工作范围:3.3~5.0V
超小尺寸:18*35*3.2MM;
通讯距离:开阔地达 3 公里;
应用领域:
便携式对讲及传呼系统;
手机及其他产品嵌入对讲机功能的全新设计。
玩具对讲机
MP3,MP4 对讲
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