Si4430/31/32 ISM TRANSCEIVER Frequency Range 240–930 MHz (Si4431/32) 900–960 MHz (Si4430)  Sensitivity = –121 dBm  Output power range +20 dBm Max (Si4432) +13 dBm Max (Si4430/31) Low Power Consumption 18.5 mA receive 30 mA @ +13 dBm transmit 85 mA @ +20 dBm transmit  Data Rate = 0.1