Bluegiga BLED112 Bluetooth® Low Energy Dongle

Bluetooth LE ready for Linux, Android and Windows devices

The BLED112 Bluetooth Low Energy Dongle integrates all Bluetooth LE features. The USB dongle has a virtual COM port that enables seamless host application development using a simple application programming interface. The BLED112 can be used for Bluetooth Low Energy development. With two BLED112 dongles you can quickly prototype new Bluetooth LE application profiles by utilizing the Profile Toolkit™ and also automate in module software functions with BGScript™.

Module Benefits

Fully Integrated Bluetooth Low Energy Solution:

  • Integrated Bluetooth Radio, microcontroller and software stack
  • Fast time-to-market
  • Low development risks


  • Firmware is field upgradeable
  • Application data can be stored on the flash
  • Settings can be stored on the flash

Application Hosting Capabilities:

  • All application code can be executed on the BLED112
  • No need for external microcontroller
  • Lower cost and smaller size

Good Radio Performance:

  • Long range and robust connections
  • Software programmable TX power

Bluetooth, CE, FCC, IC, Japan, and South Korea Qualified:

  • Proven interoperability
  • Minimal qualification costs

Module Specifications


  • Bluetooth Low Energy support
  • L2CAP, ATT, GATT, GAP and Security Manager
  • Bluetooth Smart profiles
  • Client and master mode 
  • Up to 8 connections in master mode
  • 100 kbps+ throughput

Hardware Features:

  • USB host interface
  • Temperature range: -40°C to +85°C


  • Bluetooth 4.0 low energy radio
  • Transmit power: +0 dBm
  • Receiver sensitivity: -93 dBm

MCU Features:

  • 8051 microcontroller
  • 8 kB RAM
  • 128 kB

Software Features:


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

BLED112 Bluetooth Low Energy Dongle

Part Number Buy Dongle Data Sheet TX Power RX Sensitivity Typical Range MCU Core Dimensions
BLED112 0 dBm -89 dBm 30 Meters 8051 17 mm x 12 mm x 6.5 mm


Title Version Resource Type
Developing Accessories with Bluetooth Smart Presentations
Bluetooth Smart Software v.1.4 Presentation Presentations
Bluetooth Smart Technology Presentation Presentations
Bluetooth Solutions for Apple iOS Devices Presentations
Bluetooth End Product Listing Guide Presentations
AN1128: Bluetooth® Coexistence with Wi-Fi 1.0 Application Notes
UG366: Device Composition Data (DCD) Configurator User's Guide 0.2 User Guides
BLED112 Product Presentation Presentations
Bluetooth Smart Software and SDK v.1.4.2 1.4.2 Software
Bluetooth Smart Software and SDK v.1.3.2 1.3.2 Software
BLED112 Windows Driver Software
Bluetooth Smart Software and SDK v.1.5.0 1.5.0 Software
AN983: Bluetooth® 4.0 Heart Rate Sensor 1.4 Application Notes
AN984: Implementing Over-the-Air Firmware Upgrade 1.7 Application Notes
AN981: Bluetooth® Smart Cable Replacement 1.5 Application Notes
AN982: Bluetooth® Smart Glucose Sensor 1.0 Application Notes
Bluetooth Smart Software API Reference Manual for BLE Version 1.3 3.5 Reference Manuals
Bluetooth Smart Software API Reference Manual for BLE Version 1.4 3.6 Reference Manuals
Bluetooth Smart Software API Reference Manual for BLE Version 1.5 3.10 Reference Manuals
BLED112 Data Sheet 1.1 Data Sheets
UG208: BLEGUI Application User Guide 1.7 User Guides
BLED112 Mechanical Design and Dimensions Reference Designs
BLED112 Internal Debug Interface Pinout Reference Designs
BLED112 Canada Reports and Certificate Miscellaneous
BLED112 FCC Reports and Grant Miscellaneous
BLE Android Demo App (.apk file) Miscellaneous
BLE Cable Replacement and Heart Rate Demo App for Apple iOS (source code) Miscellaneous
MTBF Prediction Report Miscellaneous
BLED112 Japan Report and Certificate Miscellaneous
BLED112 Taiwan Reports and Certificate Miscellaneous
BLE Android Demo App (source code) Miscellaneous
BLED112 South-Korea Report and Certificate Miscellaneous
Bluetooth Smart Software and SDK v.1.6.0 1.6.0 Software
Bluetooth Smart Software API Reference Manual for BLE Version 1.6 1.6 Reference Manuals
BLED112 CE Test Reports and DoC Miscellaneous
UG211: Bluetooth Smart Profile Toolkit Developer Guide 3.11 User Guides
Bluetooth Smart Software API Reference Manual for BLE Version 1.7 3.12 Reference Manuals
UG209: BGScript Scripting Language Developer Guide 4.2 User Guides
UG210: Bluetooth Smart Module Configuration Guide 3.12 User Guides
AN985: BLE112, BLE113, and BLE121LR Range Analysis 1.2 Application Notes
Bluetooth Smart Software and SDK v.1.7.0 1.7.0 Software
BLED112 Brazil Anatel Test Reports and Certificates Miscellaneous
BLE Update Tool v1.3.10 (Windows XP,7,8 and 10) 1.3.10 Miscellaneous
Bluegiga Bluetooth Smart Software Release Notes 4.9 Release Notes
AN980: Developing Your First Bluetooth® Smart Application 2.1 Application Notes
180822330 Module Label Change - RoHS Label Only Product Change Notifications (PCN)
AN1160: Project Collaboration with Simplicity Studio 0.1 Application Notes
Wireless Selector Guide 7 Brochures
AN1121: Headless Builds with Simplicity Studio v4 0.1 Application Notes
AN0822: Simplicity Studio™ User's Guide 0.5 Application Notes
Bluetooth Low Energy Ultralibrarian CAD Footprints and Symbols 1.00 Schematic and Layout Files
17052273 Relocation of Singapore Test Centre and Order Fulfillment Centre, Modules Product Change Notifications (PCN)
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