... module is made with SI4463 B1 wireless transceiver chip,Silicon Labs branded. Brief Introduction: Specifications 1.Complete FSK, GFSK, MSK, OOK transceiver ... Labs branded. 3.Small sizeBasic Features:Ø Complete FSK, GFSK, MSK, OOK transceiverØ Frequency Range: 433~470Mhz (customized)Ø Transmitting ... Ø Industrial Remote Control and Remote Metering FSK, GFSK, MSK, OOK Wireless Transceiver Module