Bluegiga BLED112 Bluetooth® Smart Dongle

Bluetooth Smart ready for Linux, Android and Windows devices

The BLED112 Bluetooth Smart Dongle integrates all Bluetooth Smart 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 Smart development. With two BLED112 dongles you can quickly prototype new Bluetooth Smart application profiles by utilizing the Profile Toolkit™ and also automate in module software functions with BGScript™.

Module Benefits

Fully Integrated Bluetooth Smart 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 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
  • 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 Smart 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
Bluetooth Smart Software Release Notes 4.4 Release Notes
UG211: Bluetooth® Smart Profile Toolkit Developer Guide 3.9 User Guides
AN985: BLE112, BLE113, and BLE121LR Range Analysis 1.1 Application Notes
BLED112 CE Reports and DoC Miscellaneous
Bluetooth Smart Software API Reference Manual for BLE Version 1.4 3.6 Reference Manuals
BLE Cable Replacement and Heart Rate Demo App for Apple iOS (source code) Miscellaneous
AN983: Bluetooth® 4.0 Heart Rate Sensor 1.4 Application Notes
BLED112 South-Korea Report and Certificate Miscellaneous
Bluetooth Smart Software and SDK v.1.4.2 1.4.2 Software
BLED112 Mechanical Design and Dimensions Reference Designs
MTBF Prediction Report Miscellaneous
BLED112 Taiwan Reports and Certificate Miscellaneous
UG210: Bluetooth® Smart Module Configuration Guide 3.10 User Guides
AN980: Developing Your First Bluetooth® Smart Application 2.0 Application Notes
BLED112 Data Sheet 1.1 Data Sheets
UG208: BLEGUI Application User Guide 1.7 User Guides
BLED112 FCC Reports and Grant Miscellaneous
BLED112 Canada Reports and Certificate Miscellaneous
PB #1612051: Additional assembly test ship site for BLE121LR Product Change Notifications (PCN)
AN984: Implementing Over-the-Air Firmware Upgrade 1.7 Application Notes
Bluetooth Smart Software API Reference Manual for BLE Version 1.5 3.10 Reference Manuals
BLE Update Tool v1.3.8 (Windows XP,7,8 and 10) 1.3.8 Miscellaneous
Bluetooth Smart Software and SDK v.1.5.0 1.5.0 Software
BLE Android Demo App (source code) Miscellaneous
PB #1701101: New Module Tracecodes Addendum to PB 1606281 Product Change Notifications (PCN)
AN982: Bluetooth® Smart Glucose Sensor 1.0 Application Notes
AN981: Bluetooth® Smart Cable Replacement 1.5 Application Notes
PB #1612052: Additional assembly test ship site for BLE112-A,E,N Product Change Notifications (PCN)
Bluetooth Smart Software API Reference Manual for BLE Version 1.3 3.5 Reference Manuals
BLED112 Japan Report and Certificate Miscellaneous
BLED112 Internal Debug Interface Pinout Reference Designs
BLED112 Windows Driver Software
BLE Android Demo App (.apk file) Miscellaneous
Bluetooth Smart Software and SDK v.1.3.2 1.3.2 Software
UG209: BGSCRIPT Scripting Language Developer Guide 4.1 User Guides
Bluetooth Smart Ready SDK v1.1.0 A02 Software
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