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Si4455 EZRadio® Transceivers

Silicon Labs Si4455 EZRadio^® Transceivers are easy-to-use, low-current, and sub-GHz devices. These transceivers combine plug-and-play simplicity with the flexibility needed to handle various applications. Silicon Labs Si4455 transceivers come in a compact 3mm x 3mm package combined with a low external BOM count, making the devices both space-efficient and cost-effective. The 13dBm output power and excellent sensitivity of -116dBm allow for a longer operating range. The low current consumption of 18mA TX (at 10dBm), 10mA RX, and 50nA standby provides for superior battery life.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Type	Frequency Range	Maximum Data Rate	Modulation Format	Supply Voltage - Min	Supply Voltage - Max	Supply Current Receiving	Supply Current Transmitting	Output Power	Minimum Operating Temperature	Maximum Operating Temperature	Interface Type	Package/Case	Qualification	Packaging
	RF Transceiver +13/-116 dBm sub-GHz transceiver SI4455-C2A-GMR Silicon Labs 1: Rp101.820 38.518In Stock	Mfr. Part No. SI4455-C2A-GMR Mouser Part No 634-SI4455-C2A-GMR	Silicon Labs	RF Transceiver +13/-116 dBm sub-GHz transceiver Learn More about Silicon Labs silabs si4455 transceivers	Datasheet	38.518In Stock	Cut Tape Rp101.820 Rp83.291 Rp66.963 Rp60.725 View Reel Rp55.038 Rp55.955 Rp55.221 Rp55.038	Min.: 1 Mult.: 1 : 2.500			Sub-GHz	283 MHz to 960 MHz	500 kb/s	FSK, GFSK, OOK	1.8 V	3.6 V	10.9 mA	24 mA	13 dBm	- 40 C	+ 85 C	GPIO, Serial	QFN-20		Reel, Cut Tape
	RF Transceiver +13/-116 dBm sub-GHz transceiver SI4455-C2A-GM Silicon Labs 1: Rp97.968 9In Stock	Mfr. Part No. SI4455-C2A-GM Mouser Part No 634-SI4455-C2A-GM	Silicon Labs	RF Transceiver +13/-116 dBm sub-GHz transceiver Learn More about Silicon Labs silabs si4455 transceivers	Datasheet	9In Stock	Rp97.968 Rp77.604 Rp71.916 Rp65.128 View Rp59.808 Rp57.606 Rp56.689 Rp55.772	Min.: 1 Mult.: 1			Sub-GHz	283 MHz to 960 MHz	500 kb/s	FSK, GFSK, OOK	1.8 V	3.6 V	10.9 mA	24 mA	13 dBm	- 40 C	+ 85 C	GPIO, Serial	QFN-20		Tray
	RF Transceiver +13/-116 dBm sub-GHz transceiver SI4455-B1A-FM Silicon Labs 2.450: Rp62.560 Non-Stocked Lead-Time 12 Weeks NRND	Mfr. Part No. SI4455-B1A-FM Mouser Part No 634-SI4455-B1A-FM NRND	Silicon Labs	RF Transceiver +13/-116 dBm sub-GHz transceiver Learn More about Silicon Labs silabs si4455 transceivers	Datasheet	Non-Stocked Lead-Time 12 Weeks	Rp62.560	Min.: 2.450 Mult.: 2.450			Sub-GHz	283 MHz to 960 MHz	500 kb/s	FSK, GFSK, OOK	1.8 V	3.6 V	10 mA	30 mA	13 dBm	- 40 C	+ 85 C	GPIO, Serial	QFN-20		Tray
	RF Transceiver +13/-116 dBm sub-GHz transceiver SI4455-B1A-FMR Silicon Labs 1: Rp115.396 Non-Stocked Lead-Time 12 Weeks NRND	Mfr. Part No. SI4455-B1A-FMR Mouser Part No 634-SI4455-B1A-FMR NRND	Silicon Labs	RF Transceiver +13/-116 dBm sub-GHz transceiver Learn More about Silicon Labs silabs si4455 transceivers	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape Rp115.396 Rp93.381 Rp86.960 Rp79.255 View Reel Rp60.175 Rp75.035 Rp72.283 Rp70.265 Rp60.175 MouseReel Available	Min.: 1 Mult.: 1 : 2.500			Sub-GHz	283 MHz to 960 MHz	500 kb/s	FSK, GFSK, OOK	1.8 V	3.6 V	10 mA	30 mA	13 dBm	- 40 C	+ 85 C	GPIO, Serial	QFN-20		Reel, Cut Tape, MouseReel
	RF Transceiver Transceiver AEC-Q100 SI4455-C2A-AM Silicon Labs 490: Rp42.563 Non-Stocked	Mfr. Part No. SI4455-C2A-AM Mouser Part No 634-SI4455-C2A-AM	Silicon Labs	RF Transceiver Transceiver AEC-Q100 Learn More about Silicon Labs silabs si4455 transceivers	Datasheet	Non-Stocked	Rp42.563 Rp42.379 Rp39.811 Rp38.894	Min.: 490 Mult.: 1			FSK/OOK	284 MHz to 960 MHz	500 kb/s	FSK, GFSK, OOK	1.8 V	3.6 V	10.9 mA	24 mA	13 dBm	- 40 C	+ 85 C	GPIO, SPI	QFN-20	AEC-Q100
	RF Transceiver Transceiver AEC-Q100 SI4455-C2A-AMR Silicon Labs 2.500: Rp38.894 Non-Stocked	Mfr. Part No. SI4455-C2A-AMR Mouser Part No 634-SI4455-C2A-AMR	Silicon Labs	RF Transceiver Transceiver AEC-Q100 Learn More about Silicon Labs silabs si4455 transceivers	Datasheet	Non-Stocked	Rp38.894	Min.: 2.500 Mult.: 1			FSK/OOK	284 MHz to 960 MHz	500 kb/s	FSK, GFSK, OOK	1.8 V	3.6 V	10.9 mA	24 mA	13 dBm	- 40 C	+ 85 C	GPIO, SPI	QFN-20	AEC-Q100
	RF Transceiver TXRX SubG +13/-116dBm SI4455-C2A-ZM1 Silicon Labs 2.450: Rp55.038 Non-Stocked	Mfr. Part No. SI4455-C2A-ZM1 Mouser Part No 634-SI4455-C2A-ZM1	Silicon Labs	RF Transceiver TXRX SubG +13/-116dBm Learn More about Silicon Labs silabs si4455 transceivers	Datasheet	Non-Stocked	Rp55.038 Rp54.304	Min.: 2.450 Mult.: 490			Sub-GHz	283 MHz to 960 MHz	500 kb/s	FSK, GFSK, OOK	1.8 V	3.6 V	10 mA	18 mA	13 dBm	- 40 C	+ 85 C	SPI	QFN-20		Tray
	RF Transceiver TXRX SubG +13/-116dBm SI4455-C2A-ZM1R Silicon Labs 2.500: Rp50.452 Non-Stocked	Mfr. Part No. SI4455-C2A-ZM1R Mouser Part No 634-SI4455-C2A-ZM1R	Silicon Labs	RF Transceiver TXRX SubG +13/-116dBm Learn More about Silicon Labs silabs si4455 transceivers	Datasheet	Non-Stocked	Reel Rp50.452	Min.: 2.500 Mult.: 2.500 : 2.500			Sub-GHz	283 MHz to 960 MHz	500 kb/s	FSK, GFSK, OOK	1.8 V	3.6 V	10 mA	18 mA	13 dBm	- 40 C	+ 85 C	SPI	QFN-20		Reel