EFR32BG21 Series 2 BLUETOOTH® Wireless SoCs

Silicon Labs EFR32BG21 Series 2 BLUETOOTH® Wireless SoCs offer an 80MHz Arm® Cortex-M33 core with a high-performance 2.4GHz radio to provide an industry-leading, energy-efficient wireless SoC for IoT-connected applications. The EFR32BG21 Blue Gecko wireless SoCs are designed to increase processing capability, improve RF performance, and lower active current while providing a higher level of security.

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Description Datasheet Availability Pricing (CAD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Type
Core
Operating Frequency
Maximum Data Rate
Output Power
Sensitivity
Supply Voltage - Min
Supply Voltage - Max
Supply Current Receiving
Supply Current Transmitting
Program Memory Size
Minimum Operating Temperature
Maximum Operating Temperature
Package / Case
Packaging
Silicon Labs RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 20dB, Bluetooth 5.1, 512kB, 64kB(RAM), 20 GPIO
Datasheet
5,479In Stock
Min.: 1
Mult.: 1
Reel: 2,500

Bluetooth ARM Cortex M33 2.4 GHz 2 Mbps 20 dBm - 94.4 dBm 1.71 V 3.8 V 8.8 mA 33.8 mA 512 kB - 40 C + 125 C QFN-32 Reel, Cut Tape
Silicon Labs RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO
Datasheet
2,788In Stock
Min.: 1
Mult.: 1

Bluetooth ARM Cortex M33 2.4 GHz 2 Mbps 10 dBm - 94.4 dBm 1.71 V 3.8 V 8.8 mA 33.8 mA 1 MB - 40 C + 125 C QFN-32 Tray
Silicon Labs RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 20dB, Bluetooth 5.1, 512kB, 64kB(RAM), 20 GPIO
Datasheet
2,569In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

Bluetooth ARM Cortex M33 2.4 GHz 2 Mbps 20 dBm - 94.4 dBm 1.71 V 3.8 V 8.8 mA 33.8 mA 512 kB - 40 C + 125 C QFN-32 Reel, Cut Tape, MouseReel
Silicon Labs RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 20dB, Bluetooth 5.1, 512kB, 64kB(RAM), 20 GPIO
Datasheet
1,018In Stock
Min.: 1
Mult.: 1

Bluetooth ARM Cortex M33 2.4 GHz 2 Mbps 20 dBm - 94.4 dBm 1.71 V 3.8 V 8.8 mA 33.8 mA 512 kB - 40 C + 125 C QFN-32 Tray
Silicon Labs RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 768kB, 64kB(RAM), 20 GPIO
Datasheet
2,484In Stock
Min.: 1
Mult.: 1
Reel: 2,500

Bluetooth ARM Cortex M33 2.4 GHz 2 Mbps 10 dBm - 94.4 dBm 1.71 V 3.8 V 8.8 mA 33.8 mA 768 kB - 40 C + 125 C QFN-32 Reel, Cut Tape
Silicon Labs RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 20dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO
Datasheet
1,887In Stock
Min.: 1
Mult.: 1
Reel: 2,500

Bluetooth ARM Cortex M33 2.4 GHz 2 Mbps 20 dBm - 94.4 dBm 1.71 V 3.8 V 8.8 mA 33.8 mA 1 MB - 40 C + 125 C QFN-32 Reel, Cut Tape
Silicon Labs RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 512kB, 64kB(RAM), 20 GPIO
Datasheet
2,370In Stock
Min.: 1
Mult.: 1
Reel: 2,500

Bluetooth ARM Cortex M33 2.4 GHz 2 Mbps 10 dBm - 94.4 dBm 1.71 V 3.8 V 8.8 mA 33.8 mA 512 kB - 40 C + 125 C QFN-32 Reel, Cut Tape
Silicon Labs RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 20dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO
Datasheet
446In Stock
Min.: 1
Mult.: 1

Bluetooth ARM Cortex M33 2.4 GHz 2 Mbps 20 dBm - 94.4 dBm 1.71 V 3.8 V 8.8 mA 33.8 mA 1 MB - 40 C + 125 C QFN-32 Tray
Silicon Labs RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 20dB, Bluetooth 5.1, 768kB, 64kB(RAM), 20 GPIO
Datasheet
1,830In Stock
Min.: 1
Mult.: 1

Bluetooth ARM Cortex M33 2.4 GHz 2 Mbps 20 dBm - 94.4 dBm 1.71 V 3.8 V 8.8 mA 33.8 mA 768 kB - 40 C + 125 C QFN-32 Tray
Silicon Labs RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 20dB, Bluetooth 5.1, 512kB, 64kB(RAM), 20 GPIO
Datasheet
713In Stock
Min.: 1
Mult.: 1

Bluetooth ARM Cortex M33 2.4 GHz 2 Mbps 20 dBm - 94.4 dBm 1.71 V 3.8 V 8.8 mA 33.8 mA 512 kB - 40 C + 125 C QFN-32 Tray
Silicon Labs RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 20dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO
Datasheet
214In Stock
Min.: 1
Mult.: 1

Bluetooth ARM Cortex M33 2.4 GHz 2 Mbps 20 dBm - 94.4 dBm 1.71 V 3.8 V 8.8 mA 33.8 mA 1 MB - 40 C + 125 C QFN-32 Tray
Silicon Labs RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO
Datasheet
938In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

Bluetooth ARM Cortex M33 2.4 GHz 2 Mbps 10 dBm - 94.4 dBm 1.71 V 3.8 V 8.8 mA 33.8 mA 1 MB - 40 C + 125 C QFN-32 Reel, Cut Tape, MouseReel
Silicon Labs RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 20dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO
Datasheet
2,000In Stock
Min.: 1
Mult.: 1
Reel: 2,500

Bluetooth ARM Cortex M33 2.4 GHz 2 Mbps 20 dBm - 94.4 dBm 1.71 V 3.8 V 8.8 mA 33.8 mA 1 MB - 40 C + 125 C QFN-32 Reel, Cut Tape
Silicon Labs RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 768kB, 64kB(RAM), 20 GPIO
Datasheet
980In Stock
Min.: 1
Mult.: 1

Bluetooth ARM Cortex M33 2.4 GHz 2 Mbps 10 dBm - 94.4 dBm 1.71 V 3.8 V 8.8 mA 33.8 mA 768 kB - 40 C + 125 C QFN-32 Tray
Silicon Labs RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 512kB, 64kB(RAM), 20 GPIO
Datasheet
659In Stock
Min.: 1
Mult.: 1
Reel: 2,500

Bluetooth ARM Cortex M33 2.4 GHz 2 Mbps 10 dBm - 94.4 dBm 1.71 V 3.8 V 8.8 mA 33.8 mA 512 kB - 40 C + 125 C QFN-32 Reel, Cut Tape
Silicon Labs RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO
Datasheet
31In Stock
Min.: 1
Mult.: 1

Bluetooth ARM Cortex M33 2.4 GHz 2 Mbps 10 dBm - 94.4 dBm 1.71 V 3.8 V 8.8 mA 33.8 mA 1 MB - 40 C + 125 C QFN-32 Tray
Silicon Labs RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 512kB, 64kB(RAM), 20 GPIO
Datasheet
81In Stock
Min.: 1
Mult.: 1

Bluetooth ARM Cortex M33 2.4 GHz 2 Mbps 10 dBm - 94.4 dBm 1.71 V 3.8 V 8.8 mA 33.8 mA 512 kB - 40 C + 125 C QFN-32 Tray
Silicon Labs RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,500
Mult.: 2,500
Reel: 2,500

Bluetooth ARM Cortex M33 2.4 GHz 2 Mbps 10 dBm - 94.4 dBm 1.71 V 3.8 V 8.8 mA 33.8 mA 1 MB - 40 C + 125 C QFN-32 Reel
Silicon Labs RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 512kB, 64kB(RAM), 20 GPIO
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,450
Mult.: 2,450

Bluetooth ARM Cortex M33 2.4 GHz 2 Mbps 10 dBm - 94.4 dBm 1.71 V 3.8 V 8.8 mA 33.8 mA 512 kB - 40 C + 125 C QFN-32 Tray
Silicon Labs RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 768kB, 64kB(RAM), 20 GPIO
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,500
Mult.: 2,500
Reel: 2,500

Bluetooth ARM Cortex M33 2.4 GHz 2 Mbps 10 dBm - 94.4 dBm 1.71 V 3.8 V 8.8 mA 33.8 mA 768 kB - 40 C + 125 C QFN-32 Reel
Silicon Labs RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 20dB, Bluetooth 5.1, 768kB, 64kB(RAM), 20 GPIO
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,500
Mult.: 2,500
Reel: 2,500

Bluetooth ARM Cortex M33 2.4 GHz 2 Mbps 20 dBm - 94.4 dBm 1.71 V 3.8 V 8.8 mA 33.8 mA 768 kB - 40 C + 125 C QFN-32 Reel
Silicon Labs RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 768kB, 64kB(RAM), 20 GPIO
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,450
Mult.: 2,450

Bluetooth ARM Cortex M4 2.4 GHz 10 dBm 1.8 V 3.8 V 768 kB - 40 C + 125 C QFN-32 Tray
Silicon Labs RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 20dB, Bluetooth 5.1, 768kB, 64kB(RAM), 20 GPIO
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,450
Mult.: 2,450

Bluetooth ARM Cortex M4 2.4 GHz 20 dBm 1.8 V 3.8 V 768 kB - 40 C + 125 C QFN-32 Tray
Silicon Labs RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 20dB, Bluetooth 5.1, 768kB, 64kB(RAM), 20 GPIO
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1
Reel: 2,500

Bluetooth ARM Cortex M4 2.4 GHz 20 dBm 1.8 V 3.8 V 768 kB - 40 C + 125 C QFN-32 Reel, Cut Tape