240MHz ~ 930MHz RF Transceiver ICs

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	DigiKey Programmable	Type	RF Family/Standard	Protocol	Modulation	Frequency	Data Rate (Max)	Power - Output	Sensitivity	Memory Size	Serial Interfaces	GPIO	Voltage - Supply	Current - Receiving	Current - Transmitting	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package

SI4432-B1-FM IC RF TXRX ISM<1GHZ 20QFN Silicon Labs	974 In Stock	1 : $19.08000 Tray	-	Tray	Not For New Designs	Not Verified	TxRx Only	General ISM < 1GHz	-	FSK, GFSK, OOK	240MHz ~ 930MHz	256kbps	20dBm (Max)	-121dBm	-	SPI	3	1.8V ~ 3.6V	18.5mA	85mA	-40°C ~ 85°C	Surface Mount	20-VFQFN Exposed Pad	20-QFN (4x4)
SI4431-B1-FM IC RF TXRX ISM<1GHZ 20QFN Silicon Labs	810 In Stock	1 : $10.74000 Tray	-	Tray	Not For New Designs	Not Verified	TxRx Only	General ISM < 1GHz	-	FSK, GFSK, OOK	240MHz ~ 930MHz	256kbps	13dBm (Max)	-121dBm	-	SPI	3	1.8V ~ 3.6V	18.5mA	17mA ~ 30mA	-40°C ~ 85°C	Surface Mount	20-VFQFN Exposed Pad	20-QFN (4x4)
SI4431-B1-FMR IC RF TXRX ISM<1GHZ 20QFN Silicon Labs	0 In Stock	2,500 : $8.27820 Tape & Reel (TR)	-	Tape & Reel (TR)	Not For New Designs	Not Verified	TxRx Only	General ISM < 1GHz	-	FSK, GFSK, OOK	240MHz ~ 930MHz	256kbps	13dBm (Max)	-121dBm	-	SPI	3	1.8V ~ 3.6V	18.5mA	17mA ~ 30mA	-40°C ~ 85°C	Surface Mount	20-VFQFN Exposed Pad	20-QFN (4x4)
SI4432-V2-FM IC RF TXRX ISM<1GHZ 20QFN Silicon Labs	0 In Stock	2,450 : $9.30812 Tube	-	Tube	Not For New Designs	Not Verified	TxRx Only	General ISM < 1GHz	-	FSK, GFSK, OOK	240MHz ~ 930MHz	128kbps	20dBm (Max)	-118dBm	-	SPI	3	1.8V ~ 3.6V	18.5mA	27mA ~ 80mA	-40°C ~ 85°C	Surface Mount	20-VFQFN Exposed Pad	20-QFN (4x4)
SI4432-B1-FMR IC RF TXRX ISM<1GHZ 20QFN Silicon Labs	0 In Stock	2,500 : $9.30812 Tape & Reel (TR)	-	Tape & Reel (TR)	Not For New Designs	Not Verified	TxRx Only	General ISM < 1GHz	-	FSK, GFSK, OOK	240MHz ~ 930MHz	256kbps	20dBm (Max)	-121dBm	-	SPI	3	1.8V ~ 3.6V	18.5mA	85mA	-40°C ~ 85°C	Surface Mount	20-VFQFN Exposed Pad	20-QFN (4x4)
SI4431-A0-FM IC RF TXRX ISM<1GHZ 20QFN Silicon Labs	0 In Stock	Obsolete	-	Tube	Obsolete	Not Verified	TxRx Only	General ISM < 1GHz	-	FSK, GFSK, OOK	240MHz ~ 930MHz	128kbps	13dBm (Max)	-118dBm	-	SPI	3	1.8V ~ 3.6V	18.5mA	18mA ~ 28mA	-40°C ~ 85°C	Surface Mount	20-VFQFN Exposed Pad	20-QFN (4x4)

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RF Transceiver ICs are semiconductor devices that consist of a transmitter and a receiver in a single package. Transceivers are designed to function proficiently within an RF family or standard such as AISG, Bluetooth, ISM, VHF, Wi-Fi, cellular, RADAR, 802.15.4 and Z-Wave. They are further classified by the type of modulation and the specific protocol versions. Some ICs include a built-in microcontroller.