... Voice Transmission2.Secondary development3.Support UART data exchange. 2.4g wireless module-data, voice transmission module supports Two- ... meter, such as water, gas, heat, electricity meter 2.4G wireless module - data, voice transmission module JSAM-701Functions1.Data ... AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); 2.4g wireless module for data voice transfer