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FSC-BT671D EFR32BG21 BLE 5.2 SIG Mesh Module (Master & Slave Multi-Connection and Ultra-Long Range)

FSC-BT671D features a 32-bit 80 MHz ARM Cortex-M33 microcontroller with a maximum power output of 20 dBm. It boasts a minimum receiving sensitivity of -97.5 dBm (1 Mbit/s GFSK) and supports a complete DSP instruction set and floating point unit for accelerated calculations. Utilizing low-power gecko technology, it offers fast wake-up times and energy-saving modes. The chip’s software and SDK support Bluetooth Low Energy (LE), Bluetooth 5.2, and Bluetooth mesh network protocols, along with development capabilities for proprietary wireless protocols. The module is ideal for battery-operated applications and systems requiring high performance and low energy consumption.

$5.50

Features

  • Bluetooth low energy (BLE) 5.2
  • Integrate MCU to execute Bluetooth protocol stack
  • Postage stamp sized form
  • Class 1 support (up to +20 dBm)
  • The default UART Baud rate is 115.2Kbps and can support from 1200 bps up to 230.4 Kbps
  • UART, I²C, SPI, 12-bit 1Msps SAR ADC
  • Support the OTA upgrade
  • Bluetooth stack profiles support: LE HID and all BLE protocols
  • PWM

Applications

  • Lighting
  • Connected Home
  • Gateways and Digital Assistants
  • Building Automation and Security

Specifications

Categories Features Implementation
Wireless Specification Chip model Silicon Labs EFR32BG21
Bluetooth Version Bluetooth low energy (BLE) 5.2
Frequency 2.4 ~ 2.4835 GHz
Transmit Power +20 dBm (Maximum)
Receive Sensitivity -97.5 dBm @ 1 Mbit/s GFSK
-94.4 dBm @ 2 Mbit/s GFSK
-104.9 dBm @ 125 kbps GFSK
Modulation GFSK
Host Interface and Peripherals UART Interface TX, RX, CTS, RTS
General Purpose I/O
Default 115200, N, 8, 1
Baudrate support from 1200 to 230400 bps
5, 6, 7, 8 data bit character
GPIO 15 (maximum - configurable) lines
O/P drive strength (4 mA)
Pull-up resistor (40 KΩ) control
Read pin-level
I2C Interface 1 (configurable from GPIO total). Up to 400 kbps
ADC Interface Analog input voltage range: 0V ~ 3.3V
Supports single 12-bit 1 Msps SAR ADC conversion
8 channels (configured from GPIO total)
PWM 3 General-Purpose Timer Modules
Four General-Purpose Timer Modules
(Two 16-Bit or One 32-Bit Timers, PWM Each)
Profiles Classic Bluetooth NA
Bluetooth Low Energy GATT Client & Peripheral - Any Custom Services
BT5.2 Specifications
Maximum Connections Classic Bluetooth NA
Bluetooth Low Energy 1 Clients
FW upgrade Over the Air
Xds
Supply Voltage Supply 1.71V ~ 3.8V
Power Consumption 33.8 mA TX current @ 20 dBm output power at 2.4 GHz
Standby Doze (Wait event): ~5mA
50.9 μA/MHz in Active Mode
4.5 μA DeepSleep current (16 kB RAM retention and RTC running from LFRCO)
Physical Dimensions (mm) 10 × 11.9 × 1.8; Pad Pitch 1.1
Environmental Operating -40°C to +105°C
Storage -40°C to +105°C
Miscellaneous Lead Free Lead-free and RoHS compliant
Warranty One Year
Humidity 10% ~ 90% non-condensing
MSL grade: MSL 3
ESD grade: Human Body Model All pins: ±2500V
Charged device model RF pins / Non-RF pins: ±750V

Firmware Options

Firmware No. Application Profiles Support
FSC-BT671D BLE Master & Slave BLE, OTA
FSC-BT671D Mesh Network MESH
FSC-BT671D Gateway Gateway
FSC-BT671D Other Customization
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