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Bluegiga BLE121LR - Bluetooth Low Energy Long Range Module

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 Product Description

BLE121LR - Bluetooth Low Energy Long Range Module

BLE121LR is a Bluetooth Smart Long Range module targeted for Bluetooth Smart applications where the best possible RF performance and range are required. At +8 dBm TX power and -98 dBm sensitivity BLE121LR has best-in-class RF performance and can provide Bluetooth Smart connectivity up to 450 meters. BLE121LR integrates all features required for a Bluetooth Smart application: Bluetooth radio, software stack and GATT based profiles. and it can also host end user applications, which means no external micro controller is required in size, price or power constrained devices. BLE121LRBluetooth Smart module also has flexible hardware interfaces to connect to different peripherals or sensors. Although BLE121LR Bluetooth Smart Long Range Module is target for applications requiring high RF performance, it is still has relatively low power consumption and can be powered using a standard 3V coin cell battery.

Key Features

Radio features:

  • Bluetooth 4.0 low energy radio
  • Transmit power: +8 dBm
  • Receiver sensitivity: -98 dBm
  • Integrated antenna
  • TX peak current: 36 mA
  • TX peak current: 25 mA (with DC/DC)
  • RX peak current: 33 mA
  • Sleep mode current: 0.5uA

Bluetooth features:

  • Bluetooth Smart (low energy) support
  • L2CAP, ATT, GATT, GAP and Security Manager
  • Bluetooth Smart profiles
  • Client and master mode 
  • Up to 8 connections in master mode
  • 100kbps+ throughput
  • Over-the-Air firmware upgrade

Hardware features:

  • UART host interface
  • SPI, I2C, PWM, UART, GPIO peripheral interfaces
  • 12-bit ADCs
  • Temperature range: -40°C to +85°C
  • Dimensions: 13.0 x 14.7 x 1.8 mm
  • Power supply: 2.0 - 3.6V

MCU features:

  • 8051 microcontroller
  • 8kB RAM 
  • 256kB Flash

Software features:

  • Embedded Bluegiga Bluetooth Smart Stack
  • BGAPITM host protocol
  • Onboard application support with Bluegiga BGScriptTM or with ANSI C using IAR Embedded Workbench SDK
  • Bluegiga Profile ToolkitTM for developing Bluetooth Smart profiles


  • Bluetooth
  • CE
  • FCC
  • IC
  • Japan
  • South Korea


Key Benefits

  • Best-in-Class Radio Performance
    • +8 dBm TX power and -98 dBm sensitivity
    • up to 450 meter range
  • Fully Integrated Bluetooth Smart solution
    • Integrated Bluetooth Radio, micro controller and software stack
    • Fast time to market
    • Low development risks
  • Application Hosting Capabilities
    • All application code can be executed on the BLE121LR
    • No need for external micro controller
    • Lower cost and smaller physical size
  • Flash-based
    • Firmware is field upgradeable
    • Application data can be stored on the flash
    • Settings can be stored on the flash
  • Bluetooth and Regulatory Qualifications
    • Proven interoperability 
    • Minimal qualification costs






For more details about Bluegiga Bluetooth low energy modules or related products, please send us an email at sales@glyn.com.au

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