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.

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: 25.5 mm x 14.0 mm x 2.4 mm


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


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.

Add to Cart


Title Version Resource Type
BGTerm Terminal Software (Supports iWRAP MUX Protocol) Software
PB #1606281: Addendum to Bulletin 1603142 Product Change Notifications (PCN)
AN993: Bluetooth® HID Profile iWRAP 1.11 Application Notes
iWRAP5 API Reference Manual for WT 1.29 Reference Manuals
WT12 Development Kit Design Material Reference Designs
iWRAP6 Presentation Presentations
SPI Programming Cable Schematics Schematic and Layout Files
Bluetooth, Wi-Fi and Regulatory Certifications 3 Presentations
UG217: iWRAP5 User Guide 1.29 User Guides
WT12 Data Sheet 3.2 Data Sheets
iWRAP5.x and iWRAP6.x Software Releases Release Notes
AN989: Obex OPP and Obex FTP Profiles iWRAP 1.1 Application Notes
BlueSuite 2.5 (Blueflash, PSTool, BlueTest etc.) 2.5 Software
PB #1503301: Bluegiga for Label and Document Change Product Change Notifications (PCN)
UG225: WTxx/BTxx USB Design Guide 2.0 User Guides
Compare iWRAP Software Versions Miscellaneous
PCM Configuration Tool Miscellaneous
AN987: Bluegiga I/O Profile iWRAP 1.4 Application Notes
AN991: Bluetooth® PBAP Profile iWRAP 2.0 Application Notes
iAP Reference Application Miscellaneous
AN994: Bluetooth® PBAP and MAP Profiles iWRAP 2.5 Application Notes
WT12 RoHS Certificate Miscellaneous
PB 1603142 Additional assembly test ship site and trace codes for BLE113 BGM111 BT12 BT121 WF121-A WF111-A Product Change Notifications (PCN)
WT12 FCC and IC Reports and Grant Miscellaneous
Bluetooth, Wi-Fi and Regulatory Certifications Miscellaneous
UG216: Firmware Updates User Guide 2.0 User Guides
WT12 Evaluation Kit Data Sheet 1.7 Data Sheets
PB #1701101: New Module Tracecodes Addendum to PB 1606281 Product Change Notifications (PCN)
iWRAP5.x and iWRAP6.x Release Notes Release Notes
USB Development Driver for Windows Software
UG218: iWRAP 5.6.0, iWRAP 6.1.0, and iWRAP 6.1.1 User Guide and API Reference 3.4 User Guides
WT12 A TEX Calculation Miscellaneous
AN990: Bluetooth® Serial Port Profile iWRAP 1.2 Application Notes
WT12 Taiwan Reports and Certificates Miscellaneous
WT12 MTBF Calculation Miscellaneous
AN988: Health Device Profile iWRAP 3.4 Application Notes
iWRAP6 API Reference Manual for WT 3.4 Reference Manuals
AN992: Hands-Free and Headset Profiles iWRAP 1.8 Application Notes
iWRAP 5.0.2 Software Release Notes 5.0.2 Release Notes
WT12 PADS Decal Reference Designs
WT12 Korea Reports and Certificate Miscellaneous
WT12 Canada Reports and Certificate Miscellaneous
WT12 Japan Test Reports and Certificates Miscellaneous
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