ic rf txrx only general ism 1ghz 240mhz 930mhz 20 vfqfn exposed pad

{"cid":"91219332","title":"SI4432-B1-FM","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/8b\/b4\/2ef3c85717fb85916c017305bce6-200x200-1.jpg","attrs":{"Category":"RF and Wireless\nRF Transceiver ICs","Digi-Key Programmable":"Not Verified","Serial Interfaces":"SPI","Operating Temperature":"-40\u00b0C ~ 85\u00b0C","Memory Size":"-","Package \/ Case":"20-VFQFN Exposed Pad","GPIO":"3","Type":"TxRx Only","Current - Transmitting":"85mA","Current - Receiving":"18.5mA","Modulation":"FSK, GFSK, OOK","Package":"Tray","RF Family\/Standard":"General ISM < 1GHz","Data Rate (Max)":"256kbps","Product Status":"Not For New Designs","Protocol":"-","Mounting Type":"Surface Mount","Series":"-","Sensitivity":"-121dBm","Supplier Device Package":"20-QFN (4x4)","Mfr":"Silicon Labs","Frequency":"240MHz ~ 930MHz","Voltage - Supply":"1.8V ~ 3.6V","Power - Output":"20dBm (Max)","Base Product Number":"SI4432","Description":"IC RF TXRX ISM<1GHZ 20VFQFN"}}