BGM121 Bluetooth SIP Module, 8 dBm TX with antenna. Reel

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The BGM121/BGM123 Blue Gecko Bluetooth ® SiP Module family is targeted for applications where ultra-small size, reliable high performance RF, low-power consumption and easy application development are key requirements.

At 6.5 x 6.5 x 1.4 mm the BGM121/BGM123 module fits applications where size is a constraint. BGM121/BGM123 also integrates a high performance, ultra robust antenna, which requires minimal PCB, plastic and metal clearance. The total PCB area required by BGM121/BGM123 is only 51 mm2.

The BGM121/BGM123 also integrates a Bluetooth 4.2 compliant Bluetooth stack and it can also run end-user applications on-board or alternatively used as a network co-processor over one of the host interfaces.

BGM121/BGM123 SIP modules can be used in a wide variety of applications:
  • Wearables
  • IoT end devices and gateways
  • Health, sports and wellness devices
  • Industrial, home and building automation
  • Smart phone, tablet and PC accessories
  • Beacons


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Bluetooth 4.2 low energy compliant
Integrated antenna or RF pin
TX power up to 8 dBm
RX sensitivity: -90 dBm
Range: up to 200 meters
32-bit ARM Cortex-M4 core at 38.4 MHz
Flash memory: 256 kB
RAM: 32 kB
Autonomous Hardware Crypto Accelerator and Random Number Generator
Integrated DC-DC Converter
Onboard Bluetooth stack


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BGM121A256V1R datasheet

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