Part	Package Length	Package Name	Package Width	Mounting Type	Package / Case	Frequency (Max)	Frequency (Min)	Sensitivity	Current - Transmitting (Max)	Current - Transmitting (Min)	RF Family/Standard	Data Rate (Max)	GPIO Count	Type	Modulation	Serial Interfaces	Current - Receiving	Voltage - Supply (Maximum)	Voltage - Supply (Minimum)	Operating Temperature (Min)	Operating Temperature (Max)	Power - Output
SILICON LABS SI4455-C2A-ZM1	3 mm	20-QFN	3 mm	Surface Mount	20-VFQFN Exposed Pad
SILICON LABS SI4455-C2A-GMR	3 mm	20-QFN	3 mm	Surface Mount	20-VFQFN Exposed Pad	960 MHz	284 MHz	-115 dBm	24 mA	19 mA	General ISM < 1GHz	500 kbps	4	TxRx Only	FSK GFSK OOK	SPI	10.9 mA	3.6 V	1.8 V	-40 °C	85 °C	13 dBm
SILICON LABS SI4455-C2A-ZM1R	3 mm	20-QFN	3 mm	Surface Mount	20-VFQFN Exposed Pad

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