Specification	EFR32BG1B232F256GJ43-C0

Current - Receiving	8.7 mA
Current - Transmitting	8.2 mA
Data Rate (Max)	2 MBaud
Frequency	2.4 GHz
GPIO Count	19
Memory Size	32 kB
Memory Size (Flash)	256 KB
Memory Type	Flash, RAM
Modulation	4FSK, GFSK, GMSK, OQPSK, DSSS, 2FSK
Mounting Type	Surface Mount
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-40 °C
Package / Case	CSPBGA, 43-UFBGA
Package Length	3.3 mm
Package Name	43-CSP
Package Width	3.14 mm
Power - Output	19.5 dBm
Protocol	Bluetooth v4.0
RF Family/Standard	Bluetooth
Sensitivity	-99 dBm
Serial Interfaces	UART, I2C, SPI
Type	TxRx + MCU
Voltage - Supply (Maximum)	3.8 V
Voltage - Supply (Minimum)	1.85 V

EFR32BG1B232 Series

Part	Modulation	Frequency	Data Rate (Max)	Voltage - Supply (Maximum)	Voltage - Supply (Minimum)	Current - Receiving	Mounting Type	Sensitivity	Type	GPIO Count	Package Length	Package Name	Package Width	Operating Temperature (Min)	Operating Temperature (Max)	Memory Size	Memory Type	Memory Size (Flash)	Serial Interfaces	Protocol	Package / Case	Power - Output	Current - Transmitting (Max)	Current - Transmitting (Min)	RF Family/Standard	Memory Size (SRAM)	Current - Transmitting
SILICON LABS EFR32BG1B232F256GM48-B0	2FSK 4FSK DSSS GFSK GMSK MSK O-QPSK	2.4 GHz	2 MBaud	3.8 V	1.85 V	8.7 mA	Surface Mount	-99.2 dBm	TxRx + MCU	31	7 mm	48-QFN	7 mm	-40 °C	85 °C	32 kB	Flash RAM	256 KB	I2C UART USART	Bluetooth v4.0	48-VFQFN Exposed Pad	10.5 dBm	133 mA	8.8 mA	Bluetooth
SILICON LABS EFR32BG1B232F128GM48-C0R	2FSK 4FSK GFSK GMSK OQPSK	2.4 GHz	2 MBaud	3.8 V	1.85 V	8.7 mA	Surface Mount	-94 dBm	TxRx + MCU	16	7 mm	48-QFN	7 mm	-40 °C	85 °C		Flash RAM	128 kB	I2C I2S SPI UART	Bluetooth v4.0	48-VFQFN Exposed Pad	10.5 dBm	126.7 mA	8.2 mA	Bluetooth	32 kB
SILICON LABS EFR32BG1B232F128GM32-B0R	2FSK 4FSK DSSS GFSK GMSK MSK O-QPSK	2.4 GHz	2 MBaud	3.8 V	1.85 V	8.7 mA	Surface Mount	-99.2 dBm	TxRx + MCU	16	5 mm	32-QFN	5 mm	-40 °C	85 °C		Flash RAM	128 kB	I2C UART USART	Bluetooth v4.0	32-VFQFN Exposed Pad	10.5 dBm	133 mA	8.8 mA	Bluetooth	32 kB
SILICON LABS EFR32BG1B232F256IM32-C0		2.4 GHz	2 MBaud	3.8 V	1.8 V		Surface Mount		TxRx + MCU	16	5 mm	32-QFN	5 mm	-40 °C	85 °C	32 kB	Flash RAM	256 KB	I2C I2S SPI UART	Bluetooth v4.0	32-VFQFN Exposed Pad	10.5 dBm	126.7 mA	8.2 mA	Bluetooth
SILICON LABS EFR32BG1B232F128GM48-B0	2FSK 4FSK DSSS GFSK GMSK MSK O-QPSK	2.4 GHz	2 MBaud	3.8 V	1.85 V	8.7 mA	Surface Mount	-99.2 dBm	TxRx + MCU	31	7 mm	48-QFN	7 mm	-40 °C	85 °C		Flash RAM	128 kB	I2C UART USART	Bluetooth v4.0	48-VFQFN Exposed Pad	10.5 dBm	133 mA	8.8 mA	Bluetooth	32 kB
SILICON LABS EFR32BG1B232F256GJ43-C0	2FSK 4FSK DSSS GFSK GMSK OQPSK	2.4 GHz	2 MBaud	3.8 V	1.85 V	8.7 mA	Surface Mount	-99 dBm	TxRx + MCU	19	3.3 mm	43-CSP	3.14 mm	-40 °C	85 °C	32 kB	Flash RAM	256 KB	I2C SPI UART	Bluetooth v4.0	43-UFBGA CSPBGA	19.5 dBm			Bluetooth		8.2 mA
SILICON LABS EFR32BG1B232F256GM32-B0	2FSK 4FSK DSSS GFSK GMSK MSK O-QPSK	2.4 GHz	2 MBaud	3.8 V	1.85 V	8.7 mA	Surface Mount	-99.2 dBm	TxRx + MCU	16	5 mm	32-QFN	5 mm	-40 °C	85 °C	32 kB	Flash RAM	256 KB	I2C UART USART	Bluetooth v4.0	32-VFQFN Exposed Pad	10.5 dBm	133 mA	8.8 mA	Bluetooth
SILICON LABS EFR32BG1B232F256GJ43-C0R	2FSK 4FSK DSSS GFSK GMSK OQPSK	2.4 GHz	2 MBaud	3.8 V	1.85 V	8.7 mA	Surface Mount	-99 dBm	TxRx + MCU	19	3.3 mm	43-CSP	3.14 mm	-40 °C	85 °C	32 kB	Flash RAM	256 KB	I2C SPI UART	Bluetooth v4.0	43-UFBGA CSPBGA	19.5 dBm			Bluetooth		8.2 mA

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Datasheet

A-00000447 Security Advisory

A-00000388 Security Advisory

EFR32BG1B232F256GJ43-C0 | Datasheet