Silicon Labs has launched the Wireless Gecko Series 2 series of wireless Soc chips, including the multi-protocol wireless SoC EFR32MG21/Bluetooth Mesh SoC EFR32BG21 series, which have advantages of small size, cost and performance. EFR32xG21 provides more competitive cost, smaller size and higher performance, making lighting products more competitive in the market.

EFR32BG21

EFR32BG21 supports Bluetooth 5.1, including 1Mbps, 2Mbps and Bluetooth Long Range.
EFR32BG21 devices are 2.4 GHz wireless SOCs optimized for line-powered Bluetooth Low Energy and Bluetooth mesh applications, including connected lighting, smart plugs, gateways and voice assistants.

Bluetooth Low Energy Radio

• Compatible with Bluetooth 5, Bluetooth 5.1 and Bluetooth mesh specification
• Excellent receive sensitivity:
• 104.9 dBm @125 kbps GFSK
• -97.5 dBm @1 Mbps GFSK
• -94.4 dBm @2 Mbps GFSK
• Programmable output power: Up to +20 dBm
• Active mode RX: 8.8 mA
• Active mode TX: 9.3 mA @ 0 dBm
• Active mode TX: 33.8 mA @ 10 dBm

EFR32MG21

EFR32MG21 supports Zigbee, Thread and Bluetooth 5.1.
EFR32MG21 devices bring high performance, low power and secure solutions to the IoT. Designed to increase processing capability, improve RF performance and lower active current, EFR32MG21 devices are 2.4 GHz wireless SoCs optimized for line-powered Zigbee, Thread and Bluetooth mesh applications, including connected lighting, gateways, voice assistants and smart metering.

Zigbee and Thread Radio

• 2.4 GHz IEEE 802.15.4
• 250 kbps O-QPSK DSSS
• Excellent Receive Sensitivity:
• -104.5 dBm @250 kbps O-QPSK DSSS
• Programmable Output Power: +20 dBm
• Active Mode RX: 9.4 mA
• Active Mode TX: 9.3 mA @ 0 dBm
• Active Mode TX: 33.8 mA @ 10 dBm

Bluetooth Low Energy Radio

• Compatible with Bluetooth 5, Bluetooth 5.1 and Bluetooth mesh specification
• Excellent Receive Sensitivity:
• -104.9 dBm @ 125 kbps GFSK
• -97.5 dBm @1 Mbps GFSK
• -94.4 dBm @2 Mbps GFSK
• Programmable Output Power: Up to +20 dBm
• Active Mode RX: 8.8 mA
• Active Mode TX: 9.3 mA @ 0 dBm
• Active Mode TX: 33.8 mA @10 dBm

Feasycom FSC-BT671C is a class1 support Bluetooth Low Energy (BLE) 5.2 module, the chip adopts Silicon Labs EFR32BG21.
FSC-BT671C can be used for Bluetooth mesh network application. Widely applied in light control, smart home systems and soon.

• Dimension: 10mm X 11. 9mm X 1.8mm; Pad Pitch 1.1mm
• Profiles: GATT(central/peripheral)
• Transmit power: +10dBm(Maximum)
• Power supply: 1.71V - 3.8V
• Highlights:
• Class1
• Ultral small size
• Super long range
• BLE 5.2
• BLE Mesh network