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
iWRAP 5.0.2 Software Release Notes 5.0.2 Release Notes
iWRAP5.x and iWRAP6.x Release Notes Release Notes
iWRAP6 Presentation Presentations
BGTerm Terminal Software (Supports iWRAP MUX Protocol) Software
USB Development Driver for Windows Software
BlueSuite 2.5 (Blueflash, PSTool, BlueTest etc.) 2.5 Software
iWRAP5.x and iWRAP6.x Software Releases 5.7 / 6.2 Software
iWRAP6 API Reference Manual for WT 3.8 Reference Manuals
Bluetooth, Wi-Fi and Regulatory Certifications Miscellaneous
Compare iWRAP Software Versions 012919 Miscellaneous
iAP Reference Application v1.1 Miscellaneous
PCM Configuration Tool Miscellaneous
SPI Programming Cable Schematics Schematic and Layout Files
AN992: Hands-Free and Headset Profiles 1.13 Application Notes
AN987: Bluegiga I/O Profile iWRAP 1.5 Application Notes
AN993: Bluetooth® HID Profile 1.15 Application Notes
AN991: Bluetooth® PBAP Profile iWRAP 2.0 Application Notes
AN989: Obex OPP and Obex FTP Profiles iWRAP 1.4 Application Notes
AN990: Bluetooth® Serial Port Profile iWRAP 1.3 Application Notes
AN994: Bluetooth® PBAP and MAP Profiles 2.6 Application Notes
AN988: Health Device Profile 3.5 Application Notes
iWRAP5 API Reference Manual for WT 1.29 Reference Manuals
WT12 Evaluation Kit Data Sheet 1.7 Data Sheets
WT12 Data Sheet 3.2 Data Sheets
UG217: iWRAP5 User Guide 1.29 User Guides
UG225: WTxx/BTxx USB Design Guide 2.0 User Guides
UG218: iWRAP 5.6.0, iWRAP 6.1.0, and iWRAP 6.1.1 User Guide and API Reference 3.7 User Guides
UG216: Firmware Updates User Guide 2.0 User Guides
WT12 Development Kit Design Material Reference Designs
WT12 PADS Decal Reference Designs
WT12 CE Test Reports and DoC Miscellaneous
WT12 Brazil Anatel Test Reports and Certificates Miscellaneous
WT12 ATEX Calculation Miscellaneous
WT12 Korea Reports and Certificate Miscellaneous
WT12 RoHS Certificate Miscellaneous
WT12 Taiwan Reports and Certificates Miscellaneous
WT12 FCC and IC Reports and Grant Miscellaneous
WT12 Canada Reports and Certificate Miscellaneous
WT12 MTBF Calculation Miscellaneous
WT12 Japan Test Reports and Certificates Miscellaneous
Bluetooth Classic Ultralibrarian CAD Footprints and Symbols 1.00 Schematic and Layout Files
AN1160: Project Collaboration with Simplicity Studio 0.2 Application Notes
AN0822: Simplicity Studio™ User's Guide 0.5 Application Notes
AN1121: Headless Builds with Simplicity Studio v4 0.1 Application Notes
Wireless Selector Guide 7 Brochures
180822330 Module Label Change - RoHS Label Only Product Change Notifications (PCN)
17052273 Relocation of Singapore Test Centre and Order Fulfillment Centre, Modules Product Change Notifications (PCN)
180409274-Anatel-Certification-ID Product Change Notifications (PCN)
PB #1701101: New Module Tracecodes Addendum to PB 1606281 Product Change Notifications (PCN)
PB #1606281: Addendum to Bulletin 1603142 Product Change Notifications (PCN)
PB 1603142 Additional assembly test ship site and trace codes for BLE113 BGM111 WT12 BT121 WF121-A WF111-A Product Change Notifications (PCN)
PB #1503301: Bluegiga for Label and Document Change Product Change Notifications (PCN)
Wireless IoT Modules Master Errata for Shield Marking 1.0 Errata
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