Specifications This module is made with SI4463 B1 wireless transceiver chip,Silicon Labs ... / 0 (SDI,SDO,SCK,NSEL,NIRQ,SDN)Ø SPI Compatible Control InterfaceØ Low-power Task Cyclic Pattern, Wake-up Timer, Low Shutdown ... Control and Remote Metering FSK, GFSK, MSK, OOK Wireless Transceiver Module