Bluegiga BLE121LR Bluetooth Smart (Bluetooth Low Energy) Long Range modules target Bluetooth Smart applications where the best possible RF performance and range are required. 
Bluegiga's 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.
Bluegiga BLE121LR Bluetooth Smart modules also have flexible hardware interfaces to connect to different peripherals or sensors. Although BLE121LR Bluetooth Smart Long Range Modules are targeted for applications requiring high RF performance, they have relatively low power consumption and can be powered using a standard 3V coin cell batterie.


  • 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: -40C to +85C
  • -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
  • -Bluegiga BGScriptTM programming for standalone applications
  • -Standalone applications can be created with ANSI C and IAR Embedded -Workbench SDK
  • -Bluegiga Profile ToolkitTM for developing Bluetooth Smart profiles
  • Qualifications:
  • -Bluetooth
  • -CE
  • -FCC
  • -IC
  • -Japan
  • -South Korea

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