Silicon Labs

American semiconductor company offering multi-protocol SoCs supporting BLE, Zigbee, Thread, and Matter.

Austin, United States | Founded 1996 | Website

Company Details

Chip Family Prefix EFR32
Primary SDK Gecko SDK (GSDK)

BLE Chips

EFR32BG22

Flash / RAM 512KB / 32KB
TX Power 6 dBm

EFR32MG24

Flash / RAM 1536KB / 256KB
TX Power 19 dBm

EFR32BG21

Flash / RAM 1024KB / 96KB
TX Power 20 dBm

Frequently Asked Questions

The best manufacturer depends on your needs. Nordic Semiconductor leads in developer tooling, Espressif offers Wi-Fi+BLE combos, TI provides industrial-grade options, and Silicon Labs excels in mesh networking.