Specifications This module is made with SI4463 B1 wireless transceiver chip ... MSK, OOK transceiverØ Frequency Range: 433~470Mhz (customized)Ø Transmitting Power: 19.8dBmØ Receiving Sensitivity: -123 dBm,1.2KbpsØ Distance ... SCK,NSEL,NIRQ,SDN)Ø SPI Compatible Control InterfaceØ Low-power Task Cyclic Pattern, Wake-up Timer, Low Shutdown Current ... Metering FSK, GFSK, MSK, OOK Wireless Transceiver Module