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Bluegiga WT12 - Class 2 Bluetooth 2.1 + EDR Module

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 Product Description

please note stock on hand is now iWRAP5.5.0, this has superceded IWRAP5.0.2 (WT12-A-AI5)


WT12 - Class 2 Bluetooth 2.1+ EDR Module

WT12 is a class 2, Bluetooth 2.1 + EDR module. It's a highly integrated Bluetooth module, containing all the necessary elements from Bluetooth radio to antenna, and a fully implemented iWRAP protocol stack.

Key Features

  • Bluetooth class 2
  • Integrated chip antenna
  • Enhanced Data Rates (EDR) with data throughput up to 2-3Mbps
  • Support for Adaptive Frequency Hopping (AFH) and 802.11 co-existence
  • USB version 2.0, UART with bypass mode, GPIO and PCM interfaces
  • 8MB flash memory
  • Size: 26 x 14 x 2,4mm
  • Simple iWRAP firmware for controlling Bluetooth wireless technology
  • Industrial temperature range from -40C to +85C
  • Based on CSR BC04 chipset
  • RoHS compliant
  • Up to 14 supported Bluetooth profiles in iWRAP firmware
  • Support for on-board applications
  • Fully qualified end product with Bluetooth 2.1 + EDR, CE, FCC and IC


Bluegiga WT12 provides an ideal solution for developers that want to integrate Bluetooth wireless technology to their design with limited knowledge of Bluetooth and RF technologies. By using WT12 combined with Bluegiga's complete development, testing and verification service offering, and excellent developer support, OEMs and designers ensure that their products reach the market rapidly and cost-effectively in relation to time and resources. Bluegiga has in-house knowledge of both software and hardware - offering customers a single point of contact for all Bluetooth related issues.

Module Block Diagram


Bluegiga Bluetooth Stack



Product Ordering Codes

Product code Description Firmware
WT12-A-AI55 WT12 Bluetooth 2.1 iWRAP 5.5.0
WT12-A-HCI WT12 module with internal antenna. Bluetooth 2.0 HCI*
WT12-A-HCI21 WT12 module with Bluetooth 2.1 firmware HCI*
WT12-A-C WT12 module withinternal antenna. Bluetooth 2.0 Custom
EKWT12-A Evaluation Kit. Includes two Evaluation boards, power adapters and serial cable. 
EBWT12-A One Evaluation boards, power adapter and serial cable iWRAP 5.5.0

* USB transport layer. HCI with UART is available via custom firmware process:

For more details about WT12 Bluetooth module or other Bluegiga products, please send us an email at sales@glyn.com.au

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