Type Sub-1 GHz Transceievers Applications Ideal for smart metering, home automation, industrial monitoring, wireless alarms, and other sensor-to-cloud solutions On-board modules S2-LP - high performance ultra-low power RF transceiver from STMicroelectronics Key Features Ultra-low power sub-1 GHz RF transceiver, support for 2(G)FSK, 4(G)FSK, OOK, and ASK modulation schemes, programmable data rate, excellent receiver sensitivity, programmable RF output power, embedded protocol engine with automatic packet acknowledgment and retransmission, support for SIGFOX and MONARCH networks, and more Interface SPI Feature ClickID Compatibility mikroBUS™ Click board size S (28.6 x 25.4 mm) Input Voltage 3.3V