... Silicon Labs branded. 3.Small size Brief Introduction:This module is made with SI4463 B1 wireless transceiver chip, Silicon ... I / 0 (SDI,SDO,SCK,NSEL,NIRQ,SDN) SPI Compatible Control Interface Low-power Task Cyclic Pattern, Wake-up ... Qinuo Electronics Co.,Ltd specialize in various radio remote controller products in China, Equipped with professional R&D team ... the year of 2009. RF UHF Transceiver Module