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Silicon Labs EFR32FG1P131F256GM48-C0, RF Transceiver 868MHz 48-Pin QFN

Discontinued product
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Silicon Labs

EFR32FG Flex Gecko Sub-GHz Wireless SoC

The Silicon Labs Flex Gecko EFR32FGxxx31Fx SoCs feature a 32-bit ARM Cortex-M4 processor core with a highly integrated radio transceiver supporting proprietary Sub-GHz wireless protocols. Typical applications involve home and building automation and security, metering, electronic shelf labels, industrial automation, commercial and retail lighting and sensing. The devices are ideal for any battery operated application and other systems requiring high performance and low energy consumption.

• 40MHz 32-bit ARM Cortex-M4F core MCU with up to 1MB Flash memory, up to 256KB RAM
• RF Frequency Range: Sub-1GHz

• RF Output Power: up to +20dBm

• Low-Energy Sensor Interface

• Multi-channel Capacitive Sense Interface

• 12-channel Peripheral Reflex System enabling autonomous interaction of MCU peripherals

• Hardware Crypto Accelerator and True Random Number Generator

• Protocol stack: Proprietary


These Silicon Labs Flex Gecko 2.4GHz Wireless SoC Starter Kits are available to help kick start your next IoT project:
SLWSTK6060A (915 MHz Sub-GHz / +19.5 dBm) - RS 122-9761;
SLWSTK6061A (868 MHz Sub-GHz / +13 dBm) - RS 122-9762;
SLWSTK6062A (490 MHz Sub-GHz / +19.5 dBm) - RS 122-9763;
SLWSTK6063A (434 MHz Sub-GHz / +10 dBm) - RS 122-9764;
SLWSTK6065A (169 MHz Sub-GHz / +19.5 dBm) - RS 122-9765

Number of Operating Bands1
Maximum Operating Band 1 Frequency868MHz
Maximum Operating Supply Voltage3.8 V
Minimum Operating Supply Voltage1.85 V
Maximum Operating Temperature+85 °C
Minimum Operating Temperature-40 °C
Mounting TypeSurface Mount
Dimensions7.1 x 7.1 x 0.85mm
TechnologyLow IF/ISM Transceiver
Package TypeQFN
Pin Count48