Blue Gecko BGM111 Bluetooth Smart Module

Silicon Labs' Smallest, Lowest Power Bluetooth Smart Module

The Silicon Labs Blue Gecko BGM111 Bluetooth® Smart module integrates our next generation wireless SoC with a complete Bluetooth Smart software stack and antenna to provide a complete, pre-certified plug-and-play Bluetooth Smart solution. It solves one of the major customer roadblocks for fast time-to-market as it integrates antenna, software and RF certifications, saving months of engineering effort and testing.
BGM111 Blue Gecko Module 
Module Benefits

    Integrated Bluetooth Radio and Antenna:

  • Excellent RF performance
  • Integrated hugh performance antenna
  • Fast time-to-market and low R&D costs

    Bluetooth and regulatory certifications:

  • Minimal end product certification
  • Faster time-to-market
  • Proven platform

    Pre-assembled and pre-tested platform:

  • Modules are pre-assembled
  • Radio is pre-tested
  • Firmware is pre-installed
Module Specifications


  • Bluetooth 4.2 compliant
  • Central and peripheral roles
  • Radio:

  • Configurable TX power up to +8 dBm
  • Integrated high performance chip antenna
  • Range up to 200 meters
  • Microcontroller:

  • ARM Cortex M4 with FPU up to 38.4 MHz
  • 32 kB RAM and 256 kB Flash
  • Advanced cryptography support

    Flexible Peripheral Interfaces:

  • UART, SPI and I2C serial interfaces
  • PWM, GPIO with Interrupts
  • 12-bit ADC and DAC
  • 32-bit RTCC
  • Watchdog timer
  • Low Energy Consumption:

  • 8.7 mA RX current at 2.4 GHz
  • 8.8 mA TX current @ 0 dBm output power/2.4 GHz
  • 63 μA/MHz in Active Mode (EM0)
  • 2.5 μA EM2 DeepSleep current (full RAM retention and RTCC running from LFXO)
  • 2.1 μA EM3 Stop current (State/RAM retention)
  • Wake on Radio with signal strength detection, preamble pattern detection, frame detection and timeout

    Environmental & Qualifications (pending):

  • Temperature range: -40 C to +85 C
  • Bluetooth qualified
  • CE
  • FCC and IC
  • Asia Pacific
  • Integrated Bluetooth® Smart Software:

  • Up to 8 simultaneous connections
  • Any GATT based Bluetooth Smart profile
  • Flexible, easy-to-use APIs
  • Free Software Development Kit
  • Field Upgradable
  • Dimensions:

  • 13 mm x 15 mm x 2.2 mm

Getting Started with Blue Gecko Bluetooth Smart Module


Blue Gecko Bluetooth Smart Wireless Starter Kit

The easiest way to begin development with Blue Gecko Bluetooth Smart Modules is with the Bluetooth Wireless Starter Kit.

Add to Cart

Blue Gecko Bluetooth Smart Modules

Part Number Buy Module Data Sheet Development Kit Description Radio Core RAM Flash Package
BGM111A256v2 Buy Now PDF icon SLWSTK6101C BGM111 Bluetooth Smart Module with Internal Chip Antenna Bluetooth Smart 4.1; +8 dBm TX ARM Cortex-M4 32 kB 256 kB Cut Reel
BGM111A256v1R Buy Now PDF icon SLWSTK6101C BGM111 Bluetooth Smart Module with Internal Chip Antenna Bluetooth Smart 4.1; +8 dBm TX ARM Cortex-M4 32 kB 256 kB Tape and Reel
Webinar: Developing Bluetooth Smart Applications
Learn how to develop Bluetooth Smart applications with Blue Gecko Bluetooth Smart modules and development tools