Bluegiga WT12 Bluetooth Class 2 Module

Perfect Connectivity for Android and iOS Devices

The WT12 is a fully integrated Bluetooth® 2.1 + EDR, class 2 module combining antenna, Bluetooth radio, and an on-board iWRAP Bluetooth stack. Bluegiga's WT12 constitutes the ideal solution for developers that want to quickly integrate Bluetooth wireless technology into their design without investing several months in Bluetooth radio and stack development. It uses Bluegiga's iWRAP Bluetooth stack, which is an embedded Bluetooth stack implementing 13 different Bluetooth profiles and Apple iAP connectivity. The WT12 combined with iWRAP Bluetooth stack and Bluegiga's excellent technical support designers ensure quick time-to-market and low development costs and risks.
Bluegiga WT12 Bluetooth Class 2 Module 
Module Benefits

    Fully Integrated Bluetooth Solution:

  • Low development costs
  • Fast time-to-market

    Bluetooth, CE, FCC, and IC Qualified:

  • Proven interoperability
  • No qualification costs

    On the Field Upgradeable

    Co-existence with Bluegiga's Wi-Fi Products

Module Specifications

    Radio Features:

  • Bluetooth v.2.1 + EDR
  • Bluetooth class 2 radio
  • Transmit power: +3 dBm
  • Receiver sensitivity: -86 dBm
  • Range: 30 meters line-of-sight
  • Integrated chip antenna

    Hardware Features:

  • UART and USB host interfaces
  • 802.11 co-existence interface
  • 6 software programmable IO pins
  • Operating voltage: 2.7 V to 3.6 V
  • Temperature range: -40 °C to +85 °C
  • Dimensions:

  • Dimensions: 25.5 mm x 14.0 mm x 2.4 mm


  • Bluetooth
  • CE
  • FCC and IC
  • Japan
  • South Korea
  • Software:

  • Bluegiga iWRAP Bluetooth stack
  • 13 Bluetooth profiles
  • Apple iAP support
  • Bluetooth HCI over UART or USB

Getting Started with WT12 Bluetooth Module


WT12 Bluetooth Wireless Starter Kit

The easiest way to begin development with the WT12 Bluetooth Module is with the WT12 Bluetooth Wireless Starter Kit.

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Data Sheet (2)

WT12 Data Sheet
3.24/8/20161161 kB
WT12 Evaluation Kit Data Sheet
1.74/7/2016592 kB

Reference Manual (2)

iWRAP5 API Reference Manual for WT
1.294/14/20162277 kB
iWRAP6 API Reference Manual for WT
3.44/14/20162879 kB

User Guides (4)

Application Notes (8)

White Papers (2)

Miscellaneous (13)

PCN (3)

Software (6)

Reference Designs (2)

WT12 Development Kit Design Material
1614 kB
WT12 PADS Decal
2 kB

Schematics/Layout (3)

Training (4)